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  • MySQL: how to enable Slow Query Log?

    - by Continuation
    Can you give me an example on how to enable MySQL's slow query log? According to the doc: As of MySQL 5.1.29, use --slow_query_log[={0|1}] to enable or disable the slow query log, and optionally --slow_query_log_file=file_name to specify a log file name. The --log-slow-queries option is deprecated. So how do I use that option? Can I put it in my.cnf? An example would be greatly appreciated. Thank you very much

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  • Monitoring MySQL SELECT/WRITE/UPDATE/SLOW queries in Nagios

    - by imaginative
    There's ways to get performance graphs with several monitoring software packages out there such as ZenOSS. There's a plugin available that will graph MySQL based SELECT/WRITE/SLOW queries in a nice rrd style graph. I'm curious if there is a way to also get similar graphs available in Nagios 3.0? I know Nagios has tools like pnp and can integrate rrd, but is there something readily available that can plugin to monitor those MySQL specifics?

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  • Need help making an ODBC MySQL Connection

    - by Andy Moore
    Short Version: How do I connect from PowerShell to an ODBC 5.1 MySQL Driver? I can't seem to find any connection strings that accurately have a "Provider" field for this particular instance. (See bottom of this question for examples/errors) ===== Long Version: I'm not a server guy, and I've been handed the task of setting up PowerGadgets on our network. I have a MySQL server running on a Linux box, that is configured for remote access and has a user defined for remote access as well. On my windows desktop PC, I have PowerGadgets installed. I installed the MySQL ODBC 5.1 connector, and went to Control Panel Data Sources and set up a User DSN connection to the database. The connection, user, and pass seem to be correct because it lists the tables of the database in my windows control panel. Where I'm running into trouble is in 3 places in PowerGadgets: When selecting a data source, I can select "SQL Server". Inputting the servers IP address does not work and I can't get this option to work at all. When selecting a data source, I can select "OleDB". This screen has a wizard on it, that appears to populate all the correct information (including database table names!) for me. "Test Connection" runs great. But if I try to complete the wizard, I get the error "The .NET Framework data provider for OLEDB does not support the MS Ole DB provider for ODBC Drivers." When selecting a data source, I can select "ODBC". This screen does not have a wizard and I cannot figure out a "connection string" that works. Typically it will respond with the error "The field 'Provider' is missing". Googling ODBC connection strings doesn't reveal any examples with a "provider" field and have no idea what to put in here. The connection string (for #2) above contains "SQLOLEDB" as a provider, and upon inputting that value into this connection string I get the same connection error that #2 gets. I believe I can solve my problems by figuring out a connection string for #3 but don't know where to get started. (PowerGadgets also allows for PowerShell support but I believe I will run into the same problem there) == Here's my current PowerShell connection that doesn't work: invoke-sql -connection "Driver={MySQL ODBC 5.1 Driver};Initial Catalog=hq_live;Data Source=HQDB" -sql "Select * FROM accounts" Spits back the error: "Invoke-Sql : An OLE DB Provider was not specified in the ConnectionString. An example would be, 'Provider=SQLOLEDB;'. == Another string that doesn't work: invoke-sql -connection "Provider=MSDASQL.1;Persist Security Info=False;Data Source=HQDB;Initial Catalog=hq_live" -sql "select * from accounts" And the error: The .Net Framework Data Provider for OLEDB (System.Data.OleDb) does not support the Microsoft OLE DB Provider for ODBC Drivers (MSDASQL). Use the .Net Framework Data Provider for ODBC (System.Data.Odbc).

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  • PHP & MySQL on Mac OS X: Access denied for GUI user

    - by Eirik Lillebo
    Hey! This question was first posted to Stack Overflow, but as it is perhaps just as much a server issue I though it might be just as well to post it here also. I have just installed and configured Apache, MySQL, PHP and phpMyAdmin on my Macbook in order to have a local development environment. But after I moved one of my projects over to the local server I get a weird MySQL error from one of my calls to mysql_query(): Access denied for user '_securityagent'@'localhost' (using password: NO) First of all, the query I'm sending to MySQL is all valid, and I've even testet it through phpMyAdmin with perfect result. Secondly, the error message only happens here while I have at least 4 other mysql connections and queries per page. This call to mysql_query() happens at the end of a really long function that handles data for newly created or modified articles. This basically what it does: Collect all the data from article form (title, content, dates, etc..) Validate collected data Connect to database Dynamically build SQL query based on validated article data Send query to database before closing the connection Pretty basic, I know. I did not recognize the username "_securityagent" so after a quick search I came across this from and article at Apple's Developer Connection talking about some random bug: Mac OS X's security infrastructure gets around this problem by running its GUI code as a special user, "_securityagent". Then I tried put a var_dump() on all variables used in the mysql_connect() call, and every time it returns the correct values (where username is not "_securityagent" of course). Thus I'm wondering if anyone has any idea why 'securityagent' is trying to connect to my database - and how I can keep this error from occurring when I call mysql_query(). Update: Here is the exact code I'm using to connect to the database. But a little explanation must follow: The connection error happens at a call to mysql_query() in function X in class_1 class_1 uses class_2 to connect to database class_2 reads a config file with the database connection variables (host, user, pass, db) class_2 connect to the database through the following function: var $SYSTEM_DB_HOST = ""; function connect_db() { // Reads the config file include('system_config.php'); if (!($SYSTEM_DB_HOST == "")) { mysql_connect($SYSTEM_DB_HOST, $SYSTEM_DB_USER, $SYSTEM_DB_PASS); @mysql_select_db($SYSTEM_DB); return true; } else { return false; } }

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  • Change collation of a MySQL table to utf8_general_cs

    - by jack
    I tried to change collation MySQL table to utf8_general_cs but got following error: mysql> ALTER TABLE table_name CONVERT TO CHARACTER SET utf8 COLLATE 'utf8_general_cs'; ERROR 1273 (HY000): Unknown collation: 'utf8_general_cs' I run "SHOW COLLATE" command and "utf8_general_cs" is not in the results. What can I do now?

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  • MDB2, Pear, Mysql error

    - by Kyle Hudson
    ORIGINALLY POSTED ON http://stackoverflow.com/questions/2682332/mdb2-pear-mysql-error however as its a server issue thought i may have more luck here. Hi Guys, I have PEAR, MDB2 and Mysql Driver installed however I keep getting: Fatal error: Call to undefined function: MDB2_Driver_mysql::_isNewLinkSet(). in /home/**/PEAR/MDB2.php on line 1937. The Server is CentOS I am stuck, any help would be appriciated. Thanks :)

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  • I/O intensive MySql server on Amazon AWS

    - by rhossi
    We recently moved from a traditional Data Center to cloud computing on AWS. We are developing a product in partnership with another company, and we need to create a database server for the product we'll release. I have been using Amazon Web Services for the past 3 years, but this is the first time I received a spec with this very specific hardware configuration. I know there are trade-offs and that real hardware will always be faster than virtual machines, and knowing that fact forehand, what would you recommend? 1) Amazon EC2? 2) Amazon RDS? 3) Something else? 4) Forget it baby, stick to the real hardware Here is the hardware requirements This server will be focused on I/O and MySQL for the statistics, memory size and disk space for the images hosting. Server 1 I/O The very main part on this server will be I/O processing, FusionIO cards have proven themselves extremely efficient, this is currently the best you can have in this domain. o Fusion ioDrive2 MLC 365GB (http://www.fusionio.com/load/-media-/1m66wu/docsLibrary/FIO_ioDrive2_Datasheet.pdf) CPU MySQL will use less CPU cores than Apache but it will use them very hard, the E7 family has 30M Cache L3 wichi provide boost performance : o 1x Intel E7-2870 will be ok. Storage SAS will be good enough in terms of performance, especially considering the space required. o RAID 10 of 4 x SAS 10k or 15k for a total available space of 512 GB. Memory o 64 GB minimum is required on this server considering the size of the statistics database. Warning: the statistics database will grow quickly, if possible consider starting with 128 GB directly, it will help. This server will be focused on I/O and MySQL for the statistics, memory size and disk space for the images hosting. Server 2 I/O The very main part on this server will be I/O processing, FusionIO cards have proven themselves extremely efficient, this is currently the best you can have in this domain. o Fusion ioDrive2 MLC 365GB (http://www.fusionio.com/load/-media-/1m66wu/docsLibrary/FIO_ioDrive2_Datasheet.pdf) CPU MySQL will use less CPU cores than Apache but it will use them very hard, the E7 family has 30M Cache L3 wichi provide boost performance : o 1x Intel E7-2870 will be ok. Storage SAS will be good enough in terms of performance, especially considering the space required. o RAID 10 of 4 x SAS 10k or 15k for a total available space of 512 GB. Memory o 64 GB minimum is required on this server considering the size of the statistics database. Warning: the statistics database will grow quickly, if possible consider starting with 128 GB directly, it will help. Thanks in advance. Best,

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  • ubuntu mysql install error with php

    - by Mirage
    When i try ton install php5-mysql it gives this error The following packages have unmet dependencies: php5-mysql: Depends: php5-common (= 5.2.6.dfsg.1-3ubuntu4) but 5.2.6.dfsg.1-3ubuntu4.4 is to be installed E: Broken packages I tried installing php5-common but it says php5-common is new version I think i have to install Code: 5.2.6.dfsg.1-3ubuntu4.4 but i don't know what that is and how to upgrade it

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  • MySQL Stored Procedure

    - by xdevel2000
    I must convert some stored procedures from MS Sql Server to MySQL and in Sql Server I have these two variables: @@ERROR for a server error and @@IDENTITY for the last insert id are there MySql similar global variables?

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  • How to deinstall mysql?

    - by kovu
    Hi, I sit on this problem ~5 hours: I try to install php and mysql on my iis7 machine. After install mysql, I can't connect, PW error (Im sure its not btw). I try to deinstall but after a new install, the database is the same. System is Windows Server Standart SP2 (I don't know hich Windows Server is it, its the only information I get under "system")

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  • mysql with DRBD on rackspace

    - by Richard Castle
    I am trying to set up a failover secondary MySQL server that is a mirror of my primary MySQL server using DRBD. The problem is that I am on a rackspace cloud server and I need a second partition on both the primary and secondary servers that I will replicate with DRBD. Rackspace does not allow me to create a second partition. I am left with the default single partition. How can I mirror using DRBD?

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  • mysqldump triggering repair of MySQL tables

    - by Rhodri
    I have an automated backup of a 6 Gigabyte MySQL database running very two hours. I also have a script which checks every minute for the need to repair MySQL tables. Increasingly I'm getting tables having to be repaired during the backup process with the message returned of: Auto-increment value: 0 is smaller than max used value: xx Is this being caused by corruption? Are the two scripts conflicting? Any ideas?

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  • How to install MySQL on Windows 7

    - by akash gupta
    Please help me how to install MySQL on Windows 7. When I tried to install, I am getting errors as: The security settings could not be applied to the database because the connection has failed of the following errors ERROR NR:1045 Access denied for user 'root@'localhost(using password yes). I tried to uninstall MySQL completely and install again, but it shows this error again and again. I have changed my firewall setting also and tried unstalling antivirus sotware too. But it also did not work.

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  • MySql client for Linux

    - by Hannes de Jager
    What MySql client are you using for Linux. I currently use PhpMyAdmin and the Mysql Query Browser but I would like something similar to Toad or HeidiSql that I use on windows. One with SQL code completion.

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  • MySQL deny login via terminal and phpmyadmin

    - by dave
    Hello, I am trying to login to mysql via terminal and phpmyadmin it says cannot access localhost. Below is the return message when trying to login via the terminal ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) root@x27:/var/lib/phpmyadmin# mysql --user=root -pass root I installed the mysqladministrator GUI too Thanks Dave

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  • master-slave-slave replication: master will become bottleneck for writes

    - by JMW
    hi, the mysql database has arround 2TB of data. i have a master-slave-slave replication running. the application that uses the database does read (SELECT) queries just on one of the 2 slaves and write (DELETE/INSERT/UPDATE) queries on the master. the application does way more reads, than writes. if we have a problem with the read (SELECT) queries, we can just add another slave database and tell the application, that there is another salve. so it scales well... Currently, the master is running arround 40% disk io due to the writes. So i'm thinking about how to scale the the database in the future. Because one day the master will be overloaded. What could be a solution there? maybe mysql cluster? if so, are there any pitfalls or limitations in switching the database to ndb? thanks a lot in advance... :)

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  • Can the mysql slow query log show milliseconds?

    - by Chase Seibert
    The mysql slow query log shows query time in whole integers. # Query_time: 0 Lock_time: 0 Rows_sent: 177 Rows_examined: 177 SELECT ... # Query_time: 1 Lock_time: 0 Rows_sent: 56 Rows_examined: 208 SELECT ... There was a microsecond patch to allow mysql to be configured to log queries that take longer than X microseconds to run. But is there a way to have the log output the query time in either milliseconds or microseconds?

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  • Is an NTBackup of a MySQL data directory reliable

    - by Justin Dearing
    This question was asked on the MySQL forums in 2004 with no answers. I'm installing MySQL 5.0.x on a Windows 2003 Server for use with Drupal. I began to configure the backup with mysqldump when it occurred to me that an ntbackup taken using shadow copying should be reliable enough for backing up the database. Is there any flaw in my logic?

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