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  • CENTOS 6 - How to install php-mysql when php-common @remi is present?

    - by Multitut
    I am having troubles adding mysql support for my php installation, this installation was made using a ready to use-package that came with our VPS. This is my php.info: http://snake.quetzalcoatech.com/info.php I am trying to install php mysql using: yum install php-mysql And get this output: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.serveraxis.net * extras: mirror.fdcservers.net * updates: bay.uchicago.edu Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package php-mysql.x86_64 0:5.3.3-14.el6_3 will be installed --> Processing Dependency: php-common = 5.3.3-14.el6_3 for package: php-mysql-5.3.3-14.el6_3.x86_64 --> Finished Dependency Resolution Error: Package: php-mysql-5.3.3-14.el6_3.x86_64 (updates) Requires: php-common = 5.3.3-14.el6_3 Installed: php-common-5.3.17-2.el6.remi.x86_64 (@remi) php-common = 5.3.17-2.el6.remi Available: php-common-5.3.3-3.el6_2.8.x86_64 (base) php-common = 5.3.3-3.el6_2.8 Available: php-common-5.3.3-14.el6_3.x86_64 (updates) php-common = 5.3.3-14.el6_3 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest I am a noob using Linux, so could you tell me which command should I use to install a compatible php-mysql module? Thank you so much!

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  • error: unexplained error (code 130) at rsync.c(541) [sender=3.0.7]

    - by brazorf
    This error: unexplained error (code 130) at rsync.c(541) [sender=3.0.7] error is happening after i changed router. Actually, i found out that this error just happens on a ctrl+c signal, so it could be not representative about the error itself. The command i run is very basic: rsync -avz --delete /local/path/ username@host:/path/to/remote/directory Basically, the rsync just stuck there and nothing's happening, until i ctrl+c. After interrupting the process i got the error in subject. I past the whole thing here: rsync -avvvvz --delete /source/path/ username@host:/path/to/direectory cmd=<NULL> machine=HOSTNAME user=username path=/path/to/direectory cmd[0]=ssh cmd[1]=-l cmd[2]=username cmd[3]=HOSTNAME cmd[4]=rsync cmd[5]=--server cmd[6]=-vvvvlogDtprze.iLsf cmd[7]=--delete cmd[8]=. cmd[9]=/path/to/direectory opening connection using: ssh -l username HOSTNAME rsync --server -vvvvlogDtprze.iLsf --delete . /path/to/direectory note: iconv_open("UTF-8", "UTF-8") succeeded. ^C[sender] _exit_cleanup(code=20, file=rsync.c, line=541): entered rsync error: unexplained error (code 130) at rsync.c(541) [sender=3.0.7] [sender] _exit_cleanup(code=20, file=rsync.c, line=541): about to call exit(130) The authentication runs on ssh via rsa key. I tried basic troubleshoot such as: ping the remote host ssh -l username remote.host check software firewall logs i asked the remote host sysadmin to check for logs, and when i run that command a ssh connection is actually being established and i can state there is no comunication/authentication/name resolution issue here. Rolling back to old router make this work again. Both client and server are running ubuntu 10.04. Try to take a look at my router configuration, where i'm no experienced at all, but i didnt see any "suspect" (what i was looking for is firewall blocking something) setting. The router itself is DLINK DVA-G3670B. Any suggestion? Thank You F.

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  • MySQL InnoDB Corruption after power outage, possible to recover?

    - by Tim Hackett
    Hey Guys, I recently started trying to get Redmine up and running after a power outage that seems to have corrupted our InnoDB database in MySQL. Redmine had an extensive set of documentation that I would like to get even if redmine isn't able to run. The service fails on startup. I have tried inserting innodb_force_recovery = 4 per the documentation from the url in the error log. (also tried 1 thru 6 as I have backed up all directories after the corruption) I have verified through "mysqld-nt --print-defaults" that it is starting with the recovery option in the params. The machine is running Windows Server 2003 SP2, Xeon E5335 with 2GB RAM, MySQL is not mirrored to another machine, nor is the machine a mirror. I do not have any backups because the previous person did not set them up. Here is the error log: InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 100308 14:50:01 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 100308 14:50:02 InnoDB: Error: page 7 log sequence number 0 935521175 InnoDB: is in the future! Current system log sequence number 0 933419020. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql.com/doc/refman/5.0/en/forcing-recovery.html InnoDB: for more information. 100308 14:50:02 InnoDB: Error: page 2 log sequence number 0 935517607 InnoDB: is in the future! Current system log sequence number 0 933419020. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql.com/doc/refman/5.0/en/forcing-recovery.html InnoDB: for more information. 100308 14:50:02 InnoDB: Error: page 11 log sequence number 0 935517607 InnoDB: is in the future! Current system log sequence number 0 933419020. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql.com/doc/refman/5.0/en/forcing-recovery.html InnoDB: for more information. 100308 14:50:02 InnoDB: Error: page 5 log sequence number 0 972973045 InnoDB: is in the future! Current system log sequence number 0 933419020. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql.com/doc/refman/5.0/en/forcing-recovery.html InnoDB: for more information. 100308 14:50:02 InnoDB: Error: page 6 log sequence number 0 972984051 InnoDB: is in the future! Current system log sequence number 0 933419020. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql.com/doc/refman/5.0/en/forcing-recovery.html InnoDB: for more information. 100308 14:50:02 InnoDB: Error: page 1577 log sequence number 0 972737368 InnoDB: is in the future! Current system log sequence number 0 933419020. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql.com/doc/refman/5.0/en/forcing-recovery.html InnoDB: for more information. InnoDB: Error: trying to access page number 4294965119 in space 0, InnoDB: space name .\ibdata1, InnoDB: which is outside the tablespace bounds. InnoDB: Byte offset 0, len 16384, i/o type 10. InnoDB: If you get this error at mysqld startup, please check that InnoDB: your my.cnf matches the ibdata files that you have in the InnoDB: MySQL server. 100308 14:50:02InnoDB: Assertion failure in thread 960 in file .\fil\fil0fil.c line 3959 InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.0/en/forcing-recovery.html InnoDB: about forcing recovery. 100308 14:50:02 [ERROR] mysqld-nt: Got signal 11. Aborting! 100308 14:50:02 [ERROR] Aborting 100308 14:50:02 [Note] mysqld-nt: Shutdown complete

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  • OS X Apache giving 503 error for anything in /api directory

    - by WilliamMayor
    I have a locally hosted website that uses Smarty templates, I'm trying to get started on building an API for the site. I've used virtualhost.sh to create a local virtual host for this and other sites. I've discovered that if I put a directory called api at the root of any of these virtual hosts I will get a 503 error when I try to access anything inside. I am using mod-rewrite but so far only to append a .php extension when needed. Here are the error logs for a request: [Thu Feb 09 13:42:37 2012] [error] proxy: HTTP: disabled connection for (localhost) [Thu Feb 09 13:49:06 2012] [error] (61)Connection refused: proxy: HTTP: attempt to connect to [fe80::1]:8080 (localhost) failed [Thu Feb 09 13:49:06 2012] [error] ap_proxy_connect_backend disabling worker for (localhost) The middle line gave me a clue to look in my hosts file because why would a request go to [fe80::1]:8080? I commented out that line and tried again, this time the error was in connecting to the standard 127.0.0.1 localhost. I have concluded that perhaps there is some config file somewhere picking up the underlying request of localhost/api and pointing it somewhere other than my virtual host. At this point my ability to fix the problem fails me. Can anyone help?

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  • Installing vim7.2 on Solaris Sparc 2.6 as non-root

    - by Tobbe
    I'm trying to install vim to $HOME/bin by compiling the sources. ./configure --prefix=$home/bin seems to work, but when running make I get: > make Starting make in the src directory. If there are problems, cd to the src directory and run make there cd src && make first gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/pango-1.0 -I/usr/openwin/include -I/usr/sfw/include -I/usr/sfw/include/freetype2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -g -O2 -I/usr/openwin/include -o objects/buffer.o buffer.c In file included from buffer.c:28: vim.h:41: error: syntax error before ':' token In file included from os_unix.h:29, from vim.h:245, from buffer.c:28: /usr/include/sys/stat.h:251: error: syntax error before "blksize_t" /usr/include/sys/stat.h:255: error: syntax error before '}' token /usr/include/sys/stat.h:309: error: syntax error before "blksize_t" /usr/include/sys/stat.h:310: error: conflicting types for 'st_blocks' /usr/include/sys/stat.h:252: error: previous declaration of 'st_blocks' was here /usr/include/sys/stat.h:313: error: syntax error before '}' token In file included from /opt/local/bin/../lib/gcc/sparc-sun-solaris2.6/3.4.6/include/sys/signal.h:132, from /usr/include/signal.h:26, from os_unix.h:163, from vim.h:245, from buffer.c:28: /usr/include/sys/siginfo.h:259: error: syntax error before "ctid_t" /usr/include/sys/siginfo.h:292: error: syntax error before '}' token /usr/include/sys/siginfo.h:294: error: syntax error before '}' token /usr/include/sys/siginfo.h:390: error: syntax error before "ctid_t" /usr/include/sys/siginfo.h:398: error: conflicting types for '__fault' /usr/include/sys/siginfo.h:267: error: previous declaration of '__fault' was here /usr/include/sys/siginfo.h:404: error: conflicting types for '__file' /usr/include/sys/siginfo.h:273: error: previous declaration of '__file' was here /usr/include/sys/siginfo.h:420: error: conflicting types for '__prof' /usr/include/sys/siginfo.h:287: error: previous declaration of '__prof' was here /usr/include/sys/siginfo.h:424: error: conflicting types for '__rctl' /usr/include/sys/siginfo.h:291: error: previous declaration of '__rctl' was here /usr/include/sys/siginfo.h:426: error: syntax error before '}' token /usr/include/sys/siginfo.h:428: error: syntax error before '}' token /usr/include/sys/siginfo.h:432: error: syntax error before "k_siginfo_t" /usr/include/sys/siginfo.h:437: error: syntax error before '}' token In file included from /usr/include/signal.h:26, from os_unix.h:163, from vim.h:245, from buffer.c:28: /opt/local/bin/../lib/gcc/sparc-sun-solaris2.6/3.4.6/include/sys/signal.h:173: error: syntax error before "siginfo_t" In file included from os_unix.h:163, from vim.h:245, from buffer.c:28: /usr/include/signal.h:111: error: syntax error before "siginfo_t" /usr/include/signal.h:113: error: syntax error before "siginfo_t" buffer.c: In function `buflist_new': buffer.c:1502: error: storage size of 'st' isn't known buffer.c: In function `buflist_findname': buffer.c:1989: error: storage size of 'st' isn't known buffer.c: In function `setfname': buffer.c:2578: error: storage size of 'st' isn't known buffer.c: In function `otherfile_buf': buffer.c:2836: error: storage size of 'st' isn't known buffer.c: In function `buf_setino': buffer.c:2874: error: storage size of 'st' isn't known buffer.c: In function `buf_same_ino': buffer.c:2894: error: dereferencing pointer to incomplete type buffer.c:2895: error: dereferencing pointer to incomplete type *** Error code 1 make: Fatal error: Command failed for target `objects/buffer.o' Current working directory /home/xluntor/vim72/src *** Error code 1 make: Fatal error: Command failed for target `first' How do I fix the make errors? Or is there another way to install vim as non-root? Thanks in advance

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  • Installing vim7 on Solaris Sparc 2.6 as non-root

    - by Tobbe
    I'm trying to install vim to $HOME/bin by compiling the sources. ./configure --prefix=$home/bin seems to work, but when running make I get: > make Starting make in the src directory. If there are problems, cd to the src directory and run make there cd src && make first gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/pango-1.0 -I/usr/openwin/include -I/usr/sfw/include -I/usr/sfw/include/freetype2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -g -O2 -I/usr/openwin/include -o objects/buffer.o buffer.c In file included from buffer.c:28: vim.h:41: error: syntax error before ':' token In file included from os_unix.h:29, from vim.h:245, from buffer.c:28: /usr/include/sys/stat.h:251: error: syntax error before "blksize_t" /usr/include/sys/stat.h:255: error: syntax error before '}' token /usr/include/sys/stat.h:309: error: syntax error before "blksize_t" /usr/include/sys/stat.h:310: error: conflicting types for 'st_blocks' /usr/include/sys/stat.h:252: error: previous declaration of 'st_blocks' was here /usr/include/sys/stat.h:313: error: syntax error before '}' token In file included from /opt/local/bin/../lib/gcc/sparc-sun-solaris2.6/3.4.6/include/sys/signal.h:132, from /usr/include/signal.h:26, from os_unix.h:163, from vim.h:245, from buffer.c:28: /usr/include/sys/siginfo.h:259: error: syntax error before "ctid_t" /usr/include/sys/siginfo.h:292: error: syntax error before '}' token /usr/include/sys/siginfo.h:294: error: syntax error before '}' token /usr/include/sys/siginfo.h:390: error: syntax error before "ctid_t" /usr/include/sys/siginfo.h:398: error: conflicting types for '__fault' /usr/include/sys/siginfo.h:267: error: previous declaration of '__fault' was here /usr/include/sys/siginfo.h:404: error: conflicting types for '__file' /usr/include/sys/siginfo.h:273: error: previous declaration of '__file' was here /usr/include/sys/siginfo.h:420: error: conflicting types for '__prof' /usr/include/sys/siginfo.h:287: error: previous declaration of '__prof' was here /usr/include/sys/siginfo.h:424: error: conflicting types for '__rctl' /usr/include/sys/siginfo.h:291: error: previous declaration of '__rctl' was here /usr/include/sys/siginfo.h:426: error: syntax error before '}' token /usr/include/sys/siginfo.h:428: error: syntax error before '}' token /usr/include/sys/siginfo.h:432: error: syntax error before "k_siginfo_t" /usr/include/sys/siginfo.h:437: error: syntax error before '}' token In file included from /usr/include/signal.h:26, from os_unix.h:163, from vim.h:245, from buffer.c:28: /opt/local/bin/../lib/gcc/sparc-sun-solaris2.6/3.4.6/include/sys/signal.h:173: error: syntax error before "siginfo_t" In file included from os_unix.h:163, from vim.h:245, from buffer.c:28: /usr/include/signal.h:111: error: syntax error before "siginfo_t" /usr/include/signal.h:113: error: syntax error before "siginfo_t" buffer.c: In function `buflist_new': buffer.c:1502: error: storage size of 'st' isn't known buffer.c: In function `buflist_findname': buffer.c:1989: error: storage size of 'st' isn't known buffer.c: In function `setfname': buffer.c:2578: error: storage size of 'st' isn't known buffer.c: In function `otherfile_buf': buffer.c:2836: error: storage size of 'st' isn't known buffer.c: In function `buf_setino': buffer.c:2874: error: storage size of 'st' isn't known buffer.c: In function `buf_same_ino': buffer.c:2894: error: dereferencing pointer to incomplete type buffer.c:2895: error: dereferencing pointer to incomplete type *** Error code 1 make: Fatal error: Command failed for target `objects/buffer.o' Current working directory /home/xluntor/vim72/src *** Error code 1 make: Fatal error: Command failed for target `first' How do I fix the make errors? Or is there another way to install vim as non-root? Thanks in advance

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  • 500 Error when logining into subdomain using codeigniter

    - by itsdanprice
    I have a website that has been setup and working fine for ages. It's built using Code Igniter. It's run using .htaccess files to restrict access and hide urls. All fine. Until a couple of days ago when we try to access http://admin.dealersupport.co.uk we get a 500 error (this is the back end of the site, held in a seperate subdomain.) Nothing else has changed on the server. I have tried restoring from a back up from when I know it was working. The problem persists. The only thing I can think of is that we recently upgraded to Plesk 11.0.9 and since then we have been seeing some Apache instabilities. The only thing that is thrown up by the error logs is this: Wed Nov 21 08:40:17 2012] [error] [client 94.31.24.129] Options FollowSymLinks or SymLinksIfOwnerMatch is off which implies that RewriteRule directive is forbidden: /var/www/vhosts /dealersupport.co.uk/admin/index.pl, referer: http://admin.dealersupport.co.uk/login I have now added this to my .htaccess files Options +FollowSymLinks +SymLinksIfOwnerMatch RewriteEngine On And that seems to have eliminated that error from the error logs, but we are still getting a 500 error when we have logged into the backend. Can anyone help?

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  • Suggestions on error handling of Win32 C++ code: AtlThrow vs. STL exceptions

    - by EmbeddedProg
    In writing Win32 C++ code, I'd appreciate some hints on how to handle errors of Win32 APIs. In particular, in case of a failure of a Win32 function call (e.g. MapViewOfFile), is it better to: use AtlThrowLastWin32 define a Win32Exception class derived from std::exception, with an added HRESULT data member to store the HRESULT corresponding to value returned by GetLastError? In this latter case, I could use the what() method to return a detailed error string (e.g. "MapViewOfFile call failed in MyClass::DoSomething() method."). What are the pros and cons of 1 vs. 2? Is there any other better option that I am missing? As a side note, if I'd like to localize the component I'm developing, how could I localize the exception what() string? I was thinking of building a table mapping the original English string returned by what() into a Unicode localized error string. Could anyone suggest a better approach? Thanks much for your insights and suggestions.

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  • Replace text with spaces in MySQL

    - by javipas
    I'm trying to do a global replace of search in my database, which has a lot of articles with a double carriage return because of this code: <p> </p> I'd like to replace this in my WordPress blog so instead of that appears... nothing, and so I can delete the CR. I've tried this on my database UPDATE wp_posts set post_content = replace (post_content,'<p> </p>',''); but didn't work. Why? Do I have to add special thinks to consider the space between the <p>and the</p>? Mmm. Good points, both Jon Angliss and Wim. Jon, as you could have guessed, the database shows no entries with that text string. So there's something going on inside the post_content field. Wim, the famous   was replaced previously, but there are still hundreds of posts that for some reason have something different between the p and the /p tags. I've done a search of one of the posts with this error: mysql> select * from wp_posts where post_title like '%3DVisionLive%'; And looking in the wp_content field, this is a little piece of the post: Phil Eisler, responsable de la divisi?n 3D Vision.?</p> <p>?</p> <p>Este portal ser? por tanto No spanish tilde (accent) shown on the terminal, and instead of an space there's a quotation mark between the p and the /p tags. I've tried to replace <p>?</p>, but again, no results. There's some character (or several) there, but I don't know how to discover that. Maybe it's the character set of my terminal, but I've accessed the database from phpmyadmin and in that case there's a space character between the p and the /p. Weird.

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  • How to use most of memory available on MySQL

    - by Zilvinas
    I've got a MySQL server which has both InnoDB and MyISAM tables. InnoDB tablespace is quite small under 4 GB. MyISAM is big ~250 GB in total of which 50 GB is for indexes. Our server has 32 GB of RAM but it usually uses only ~8GB. Our key_buffer_size is only 2GB. But our key cache hit ratio is ~95%. I find it hard to believe.. Here's our key statistics: | Key_blocks_not_flushed | 1868 | | Key_blocks_unused | 109806 | | Key_blocks_used | 1714736 | | Key_read_requests | 19224818713 | | Key_reads | 60742294 | | Key_write_requests | 1607946768 | | Key_writes | 64788819 | key_cache_block_size is default at 1024. We have 52 GB's of index data and 2GB key cache is enough to get a 95% hit ratio. Is that possible? On the other side data set is 200GB and since MyISAM uses OS (Centos) caching I would expect it to use a lot more memory to cache accessed myisam data. But at this stage I see that key_buffer is completely used, our buffer pool size for innodb is 4gb and is also completely used that adds up to 6GB. Which means data is cached using just 1 GB? My question is how could I check where all the free memory could be used? How could I check if MyISAM hits OS cache for data reads instead of disk?

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  • mysql mass insert data

    - by user12145
    Edit: I realized that if I construct a large query in memory, the speed has increased almost 10 times of magnitude "insert ignore into xxx(col1, col2) values('a',1), values('b',1), values('c',1)..." Edit: since I have an index on the first column, the insert time creeps up as I insert more. Can I delay the index until the end? Original: I'm using the following to batch insert 10 million rows into mysql db(not all at once, since they don't all fit into memory), it's too slow(taking many hours). should I use load file to improve performance? I would have to create a second file to store all the 10 million rows, then load that into db. are there better ways? PreparedStatement st=con.prepareStatement("insert ignore into xxx (col1, col2) "+ " values (?, 1)"); Iterator d=data.iterator(); while(d.hasNext()){ st.clearParameters(); st.setString(1, (d.next()).toLowerCase()); st.addBatch(); } int[]updateCounts=st.executeBatch();

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  • Logging hurts MySQL performance - but, why?

    - by jimbo
    I'm quite surprised that I can't see an answer to this anywhere on the site already, nor in the MySQL documentation (section 5.2 seems to have logging otherwise well covered!) If I enable binlogs, I see a small performance hit (subjectively), which is to be expected with a little extra IO -- but when I enable a general query log, I see an enormous performance hit (double the time to run queries, or worse), way in excess of what I see with binlogs. Of course I'm now logging every SELECT as well as every UPDATE/INSERT, but, other daemons record their every request (Apache, Exim) without grinding to a halt. Am I just seeing the effects of being close to a performance "tipping point" when it comes to IO, or is there something fundamentally difficult about logging queries that causes this to happen? I'd love to be able to log all queries to make development easier, but I can't justify the kind of hardware it feels like we'd need to get performance back up with general query logging on. I do, of course, log slow queries, and there's negligible improvement in general usage if I disable this. (All of this is on Ubuntu 10.04 LTS, MySQLd 5.1.49, but research suggests this is a fairly universal issue)

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  • Server configurations for hosting MySQL database

    - by shyam
    I have a web application which uses a MySQL database hosted on a virtual server. I've been using this server when I started the application and when the database was really small. Now it has grown and the server is not able to handle the db, causing frequent db errors. I'm planning to get a server and I need suggestions for that. Like I said, the db is now 9 GB, and is growing considerably fast. There are a number of tables with millions of rows, which are frequently updated and queried. The most frequent error the db shows is Lock wait timeout exceeded. Previously there used to be "The total number of locks exceeds the lock table size" errors too, but I could avoid it by increasing Innodb buffer pool size. Please suggest what configurations should I look for in the server I should buy. I read somewhere that the db should ideally have a buffer pool size greater than the size of its data, so in my case I guess I'd need memory gt 9 GB. What other things should I look for in the server? Just tell me if I should give you more info about the

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  • Mysql ndb cluster - node restart.

    - by Arafat
    Hi guys! I just setup a mysql cluster on a fairly decent baby (IBM x3650 M3) with 24GB memory, xeon 6core, SAS 6Gbps HDD. Running Debian Lenny 5. 64bits. Ndb version is 7.1.9a. Our database size on MyISAM is around 3.2 GB. Ndb_size estimation is 58GB for ndbengine. A little info about my database is as follows. 150 common tables for global purpose. 130 tables for each clients. So it goes like this, 130 x 115(clients) = 14950 tables. Is it normal or usual to have 14000 tables on one database? The reasons why we did this was, Easy maintenance and per client based customization. Now, the problem is, ndb cluster can only support, 20320 tables. But it can support 5,000,000,000 rows in one table if I'm not wrong. My real head ache is my cluster data node takes less than two minutes to startup with out any data. But as soon as convert my tables into ndb, that too only 2000 tables, data node takes at least 30 to 40 mins to start up. Is it normal? If I convertt all my tables into ndb, will it take even longer? Or let's say if consolidate my 14000 table's data into one, which is 130 tables, will it help? Or is there anything idiotically wrong which I'm doing? I'll attach my config.ini file soon. here's the simple overview of my config Datamemory = 14G Indexmemory = 3GB Maxnooftable = 14000 Maxnoofattributes = 78000 I'm just testing these values with 2000 tables first. Please advise, how to increase the start up speed. Please point out where I'm going wrong. Thanks in advance guys!

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  • Viability of Apache (MPM Worker), FastCGI PHP 4/5.2/5.3, and MySQL 5

    - by Adrian
    My server will be hosting numerous PHP web applications ranging from Joomla, Drupal, and some legacy (read: PHP4) and other custom-built code inherited from clients. This will be a development machine used by a dozen or so web developers and issues like fluctuating loads or particularly high load expectations are not important. Now, my question: are there any concerns I should know about when using Apache w/ MPM Worker, PHP 4/PHP 5.2/PHP 5.3 (all via FastCGI), and MySQL 5 (with a query cache of 64MB)? I have not tested the various applications extensively and I have only recently learned how to install PHP and utilize it via FastCGI (rather than mod_php, which in this case seemed impossible (considering the multiple versions of PHP and the desire to use MPM Worker over MPM Prefork)). I have come to understand that there could be concerns regarding XCache and APC, namely non-thread-safety issues where data becomes corrupted and the capability to use MPM Worker becomes null and void. Is this a valid concern? I have been using my personal testing server (running Ubuntu Server Edition 10.04 in VirtualBox) which has 2GB of RAM available to it. Here is the configuration used (the actual server will likely use a configuration more tailored to suit it's purposes): Apache: Server version: Apache/2.2.14 (Ubuntu) Server built: Apr 13 2010 20:22:19 Server's Module Magic Number: 20051115:23 Server loaded: APR 1.3.8, APR-Util 1.3.9 Compiled using: APR 1.3.8, APR-Util 1.3.9 Architecture: 64-bit Server MPM: Worker threaded: yes (fixed thread count) forked: yes (variable process count) Worker: <IfModule mpm_worker_module> StartServers 2 MinSpareThreads 25 MaxSpareThreads 75 ThreadLimit 64 ThreadsPerChild 25 MaxClients 400 MaxRequestsPerChild 2000 </IfModule> PHP ./configure (PHP 4.4.9, PHP 5.2.13, PHP 5.3.2): --enable-bcmath \ --enable-calendar \ --enable-exif \ --enable-ftp \ --enable-mbstring \ --enable-pcntl \ --enable-soap \ --enable-sockets \ --enable-sqlite-utf8 \ --enable-wddx \ --enable-zip \ --enable-fastcgi \ --with-zlib \ --with-gettext \ Apache php-fastcgi-setup.conf FastCgiServer /var/www/cgi-bin/php-cgi-5.3.2 FastCgiServer /var/www/cgi-bin/php-cgi-5.2.13 FastCgiServer /var/www/cgi-bin/php-cgi-4.4.9 ScriptAlias /cgi-bin-php/ /var/www/cgi-bin/

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  • MySQL Server hitting 100% unexpectedly (Amazon AWS RDS)

    - by Luc
    Please help! We've been struggling with this one for months. This week we upped our RDS instance to the highest performing instance and although the occurrences have reduced, we're still having our DB all of a sudden hit 100%. It comes out of nowhere. Sometimes 2am, sometimes midday. I've ruled out a DOS - our pages access logs have normal traffic I've ruled out memcached suddenly dieing (hits and misses continue as normal). The SHOW PROCESSLIST while we have issues reports about 500 queries in queue. If I kill them off or restart the server, they just keep coming back and then eventually out of knowhere, our server resumes back to normal. Sometimes up to 3 hours. Our bad performing queries take .02 seconds to execute when the server eventually returns back to normal but while we're in this 100% CPU physco phase, those queries never finish executing. Please help!!!!! Anybody know anything about MYSQL query optimization? Could it be the server deciding to use different indexes all of a sudden, which puts it into a spiral?

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  • python os.execvp() trying to display mysql tables gives 1049 error - Unknown database error.

    - by Hemanth Murthy
    I have a question related to mysql and python. This command works on the shell, but not when I use os.execvp() $./mysql -D test -e "show tables" +----------------+ | Tables_in_test | +----------------+ | sample | +----------------+ The corresponding piece of code in python would be def execute(): args = [] args.extend(sys.argv[1:]) args.extend([MYSQL, '-D test -e "show tables"']) print args os.execvp(args[0], args) child_pid = os.fork() if child_pid == 0: os.execvp(args[0], args) else: os.wait() The output of this is: [./mysql', '-D test -e "show tables"'] ERROR 1049 (42000): Unknown database ' test -e "show tables"' I am not sure if this is a problem with the python syntax or not. Also, the same command works with os.system() call. os.system(MYSQL + ' -D test -e "show tables"') Please let me know how to get this working. Thanks, Hemanth

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  • Problems with bash script, mysql inserts and launchd

    - by Armands
    ========= I am developing a automated system, which consists of 3 parts: mysql, bash and launchd. Bash script takes folders of work related stuff, zips, archives and puts info about them into database that is located on a local MAMP server. Everything works as expected when I run the script from terminal. But when I use Launchd to automatically run this script, it functions without errors and it does not put the values into database. I've tried to make logs of returned messages, but the logs end up being empty as the command has run the way it was supposed to. Any help would be appreciated! .plist contents <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>Label</key> <string>com.adevo.ari.zip</string> <key>ProgramArguments</key> <array> <string>/Volumes/Archive-Plus/B-ARCHIVE-PLUS/ZZ_UTILITY_FOLDER/Compress.sh</string> </array> <key>Nice</key> <integer>1</integer> <key>StartInterval</key> <integer>120</integer> <key>RunAtLoad</key> <true/> </dict> </plist> I made this .plist file just by searching the web.

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  • Centos Server/MySQL server problem

    - by Jake
    Hello all, I currently run a website we get about 15,000-20,000 hits a day. We currently run a very active forum, that is hosted using Vbulletin software. We have 4.5 Million Posts, 80,000 Threads, with about 11,000 members of which just under a third is active all the time. Now I am running a Intel Xeon Quad Core (2.13Ghz) with 4GB of RAM, Centos 5.5 and running DirectAdmin on the box to manage it. I also run the current stable version of Apache, MySQL, and php. This is the only site that is hosted on this machine. Now during random times of day sometimes when it gets busy the server load can get to like 20, but this can also happen when we only have like 200 users active too. I dont understand what is causing these problems. Sometimes I get pages that can generate in .2 seconds other times it takes like 5-8 seconds. I have customized the my.cnf file and that has not helped out anything, I didnt know where else to turn so if anyone has any suggestions please let me know. Thank You In advance.

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  • Suddenly getting lock timeouts with MySQL

    - by Marc Hughes
    We've got a web app hosted on Amazon Web services. Our database is a multi-az RDS MySQL server running 5.1.57 and 3-4 app servers talk to it. Today, we started seeing a lot of errors along the lines of "Lock wait timeout exceeded; try restarting transaction" - almost 1% of POST requests are seeing this. There have been no modifications to the code running on the site. There have been no schema changes. We haven't had a big spike in traffic. I've been looking at the processes running, and none seem out of control. I tried scaling our RDS instance from a small to a large, with no effect. Two days ago, Amazon had some outages. As part of the recovery from that, our RDS server, and our app servers ended up in different availability zones, but all within the same region. But yesterday, everything was fine so I'm not convinced that's related. The lock timeouts are in different types of requests and occur in different InnoDB tables. I have noticed the number of open connections jumped when we started seeing problems, but they may be a symptom and not a cause. What are my next steps in debugging this?

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  • Guide To Setting Accessing PhpMyAdmin On NGINX, Ubuntu 11.04, EC2 Remote MySQL Instance

    - by darkAsPitch
    I have setup a domain name to run on amazon ec2 running ubuntu 11.04, nginx and php5-fpm. The domain name works great, I have setup it's own sites-available configuration file and sym-linked it to sites-enabled. I installed phpmyadmin via sudo apt-get install phpmyadmin and followed the instructions. I then added this just above my /etc/nginx/nginx.conf file and restarted nginx. server { listen 80; server_name phpmyadmin.domain.com; location / { root /usr/share/phpmyadmin; index index.php; } #make sure all php files are processed by fast_cgi location ~ \.php { # try_files $uri =404; fastcgi_index index.php; fastcgi_pass 127.0.0.1:9000; include fastcgi_params; fastcgi_split_path_info ^(.+\.php)(/.+)$; fastcgi_param PATH_INFO $fastcgi_path_info; fastcgi_param PATH_TRANSLATED $document_root$fastcgi_path_info; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; } } I have also added the appropriate dns A records for phpmyadmin.domain.com phpmyadmin.domain.com just shows a 404 error code. All other subdomains do not respond at all so at least something is working here. FYI I have edited the /etc/phpmyadmin/config.inc.php file so that I can connect to a remote MySQL Database. What else do I need to do?

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  • MySQL config for 2GB ram

    - by Tiffany Walker
    How is my config? Does it work well for 2GB? What would be an ideal config for a 2GB ram server? [mysqld] set-variable = max_connections=500 log-slow-queries safe-show-database local-infile=0 skip-networking symbolic-links=0 max_connections = 500 key_buffer = 256M myisam_sort_buffer_size = 64M join_buffer_size = 2M read_buffer_size = 2M sort_buffer_size = 2M read_rnd_buffer_size = 2M thread_concurrency = 16 table_cache = 1024 thread_cache_size = 50 wait_timeout = 7200 connect_timeout = 10 tmp_table_size = 32M max_allowed_packet = 160M max_connect_errors = 10 query_cache_limit = 1M query_cache_size = 32M query_cache_type = 1 [mysqld_safe] open_files_limit = 8192 [mysqldump] max_allowed_packet = 16M [myisamchk] key_buffer = 64M sort_buffer = 64M read_buffer = 16M write_buffer = 16M UPDATE 2012-03-28 12:58 EDT By RolandoMySQLDBA Please run these queries and paste them into your question: For MyISAM SELECT CONCAT(ROUND(KBS/POWER(1024, IF(PowerOf1024<0,0,IF(PowerOf1024>3,0,PowerOf1024)))+0.4999), SUBSTR(' KMG',IF(PowerOf1024<0,0, IF(PowerOf1024>3,0,PowerOf1024))+1,1)) recommended_key_buffer_size FROM (SELECT LEAST(POWER(2,32),KBS1) KBS FROM (SELECT SUM(index_length) KBS1 FROM information_schema.tables WHERE engine='MyISAM' AND table_schema NOT IN ('information_schema','mysql')) AA ) A, (SELECT 2 PowerOf1024) B; For InnoDB SELECT CONCAT(ROUND(KBS/POWER(1024, IF(PowerOf1024<0,0,IF(PowerOf1024>3,0,PowerOf1024)))+0.49999), SUBSTR(' KMG',IF(PowerOf1024<0,0, IF(PowerOf1024>3,0,PowerOf1024))+1,1)) recommended_innodb_buffer_pool_size FROM (SELECT SUM(data_length+index_length) KBS FROM information_schema.tables WHERE engine='InnoDB') A, (SELECT 2 PowerOf1024) B;

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  • Error handling and polymorphism

    - by Neeraj
    I have an application with some bunch of code like this: errCode = callMainSystem(); switch (errCode){ case FailErr: error("Err corresponding to val1\n"); case IgnoreErr: error("Err corresponding to val2\n"); ... ... default: error("Unknown error\n"); } The values are enum constants. Will it make some sense to have something like: // Error* callMainSystem() ... Some code return FaileErr(); // or some other error // handling code Error* err = callMainSystem(); err->toString(); The Error class may be made singleton as it only has to print error messages. What are the pros and cons of above methods,size is an important criteria as the application needs to be supported on embedded devices as well. P.S: I don't want to use exception handling because of portability issues and associated overheads.

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  • Using Truecrypt to secure mySQL database, any pitfalls?

    - by Saul
    The objective is to secure my database data from server theft, i.e. the server is at a business office location with normal premises lock and burglar alarm, but because the data is personal healthcare data I want to ensure that if the server was stolen the data would be unavailable as encrypted. I'm exploring installing mySQL on a mounted Truecrypt encrypted volume. It all works fine, and when I power off, or just cruelly pull the plug the encrypted drive disappears. This seems a load easier than encrypting data to the database, and I understand that if there is a security hole in the web app , or a user gets physical access to a plugged in server the data is compromised, but as a sanity check , is there any good reason not to do this? @James I'm thinking in a theft scenario, its not going to be powered down nicely and so is likely to crash any DB transactions running. But then if someone steals the server I'm going to need to rely on my off site backup anyway. @tomjedrz, its kind of all sensitive, individual personal and address details linked to medical referrals/records. Would be as bad in our field as losing credit card data, but means that almost everything in the database would need encryption... so figured better to run the whole DB in an encrypted partition. If encrypt data in the tables there's got to be a key somewhere on the server I'm presuming, which seems more of a risk if the box walks. At the moment the app is configured to drop a dump of data (weekly full and then deltas only hourly using rdiff) into a directory also on the Truecrypt disk. I have an off site box running WS_FTP Pro scheduled to connect by FTPs and synch down the backup, again into a Truecrypt mounted partition.

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  • Mysql: create index on 1.4 billion records

    - by SiLent SoNG
    I have a table with 1.4 billion records. The table structure is as follows: CREATE TABLE text_page ( text VARCHAR(255), page_id INT UNSIGNED ) ENGINE=MYISAM DEFAULT CHARSET=ascii The requirement is to create an index over the column text. The table size is about 34G. I have tried to create the index by the following statement: ALTER TABLE text_page ADD KEY ix_text (text) After 10 hours' waiting I finally give up this approach. Is there any workable solution on this problem? UPDATE: the table is unlikely to be updated or inserted or deleted. The reason why to create index on the column text is because this kind of sql query would be frequently executed: SELECT page_id FROM text_page WHERE text = ? UPDATE: I have solved the problem by partitioning the table. The table is partitioned into 40 pieces on column text. Then creating index on the table takes about 1 hours to complete. It seems that MySQL index creation becomes very slow when the table size becomes very big. And partitioning reduces the table into smaller trunks.

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