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  • Page Refresh Returns to previous page

    - by Rajesh Rolen- DotNet Developer
    I am using server.transfer to redirect from one to another page... lets say when i click on button1 of page1 i redirects to page2 using server.transfer but than when i refresh that page2 , it get postback and redirects me page1 again.. please tell me where i am doing wrong.? I have tried with both.. but result is same server.Transfer("~/admin/mypage.aspx?msg=A",False ) server.Transfer("~/admin/mypage.aspx?msg=A",True )

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  • C#: how to update winform from thread?

    - by JackN
    A C# thread (Read()) causes System.NotSupportedException when it tries to update a winform based on received content. The full error message is Read() System.NotSupportedException: An error message cannot be displayed because an optional resource assembly containing it cannot be found at Microsoft.AGL.Common.MISC.HandelAr() at System.Windows.Forms.ProgressBar._SetInfo() at System.Windows.Forms.ProgressBar.set_Value() at ...ProcessStatus() at ...Read() The Build/Target Environment is: Microsoft.NET\SDK\CompactFramework\v2.0\WindowsCE. Is the problem writing to the ProgressBar from a Thread? If so, what is the correct C#/winforms method to update a ProgressBar from a Thread? In this application the Read() Thread is continuous: it is started when the application starts and runs forever. void ProcessStatus(byte[] status) { Status.Speed = status[5]; var Speed = Status.Speed/GEAR_RATIO; Status.Speed = (int) Speed; progressBarSpeed.Value = Status.Speed; ...

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  • [Repost-ish] Impossibly slow queries, Tables indexed, How can I speed it up?

    - by colorfulgrayscale
    Hi guys, I posted a little earlier on here at http://stackoverflow.com/questions/2656837/query-results-taking-too-long-on-200k-database-speed-up-tips asking about slow executing SQL queries. I was told to index the columns; I did. and its still slow (slow as in, i never see the results, both mysql and sqlite freeze up on query). Help would be greatly appreciated. Here is the SQL SELECT equipment.`unitID` AS `equipment_unitID`, equipment.`fleetCode` AS `equipment_fleetCode`, equipment.type AS equipment_type, equipment.tiremap AS equipment_tiremap, tiremap.`TireID` AS `tiremap_TireID`, tiremap.`WorkMap` AS `tiremap_WorkMap`, tiremap.`Position` AS `tiremap_Position`, tiremap.`DepthMap` AS `tiremap_DepthMap`, tiremap.timestamp AS tiremap_timestamp, workreference.`aMap` AS `workreference_aMap`, workreference.`bMap` AS `workreference_bMap`, tirework.`RO` AS `tirework_RO`, tirework.location AS tirework_location, tirework.mileage AS tirework_mileage, tirework.`mechanicCode` AS `tirework_mechanicCode`, tirework.`partNumber` AS `tirework_partNumber`, tirework.`historyID` AS `tirework_historyID`, tirework.workmap AS tirework_workmap, tirework.timestamp AS tirework_timestamp FROM equipment, tiremap, workreference, tirework WHERE equipment.tiremap = tiremap.`TireID` AND tiremap.`WorkMap` = workreference.`aMap` AND workreference.`bMap` = tirework.workmap LIMIT 5 and here is the EXPLAIN for it id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE equipment ALL tiremap 14079 1 SIMPLE tiremap ref PRIMARY,WorkMap,TireID,WorkMap_2 PRIMARY 52 tire.equipment.tiremap 3 1 SIMPLE workreference ref aMap,bMap aMap 52 tire.tiremap.WorkMap 1 1 SIMPLE tirework eq_ref NewIndex1 NewIndex1 52 tire.workreference.bMap 1

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  • Which of these is pythonic? and Pythonic vs. Speed

    - by Kashyap Nadig
    Hi! I'm new to python and just wrote this module level function: def _interval(patt): """ Converts a string pattern of the form '1y 42d 14h56m' to a timedelta object. y - years (365 days), M - months (30 days), w - weeks, d - days, h - hours, m - minutes, s - seconds""" m = _re.findall(r'([+-]?\d*(?:\.\d+)?)([yMwdhms])', patt) args = {'weeks': 0.0, 'days': 0.0, 'hours': 0.0, 'minutes': 0.0, 'seconds': 0.0} for (n,q) in m: if q=='y': args['days'] += float(n)*365 elif q=='M': args['days'] += float(n)*30 elif q=='w': args['weeks'] += float(n) elif q=='d': args['days'] += float(n) elif q=='h': args['hours'] += float(n) elif q=='m': args['minutes'] += float(n) elif q=='s': args['seconds'] += float(n) return _dt.timedelta(**args) My issue is with the for loop here i.e the long if elif block, and was wondering if there is a more pythonic way of doing it. So I re-wrote the function as: def _interval2(patt): m = _re.findall(r'([+-]?\d*(?:\.\d+)?)([yMwdhms])', patt) args = {'weeks': 0.0, 'days': 0.0, 'hours': 0.0, 'minutes': 0.0, 'seconds': 0.0} argsmap = {'y': ('days', lambda x: float(x)*365), 'M': ('days', lambda x: float(x)*30), 'w': ('weeks', lambda x: float(x)), 'd': ('days', lambda x: float(x)), 'h': ('hours', lambda x: float(x)), 'm': ('minutes', lambda x: float(x)), 's': ('seconds', lambda x: float(x))} for (n,q) in m: args[argsmap[q][0]] += argsmap[q][1](n) return _dt.timedelta(**args) I tested the execution times of both the codes using timeit module and found that the second one took about 5-6 seconds longer (for the default number of repeats). So my question is: 1. Which code is considered more pythonic? 2. Is there still a more pythonic was of writing this function? 3. What about the trade-offs between pythonicity and other aspects (like speed in this case) of programming? p.s. I kinda have an OCD for elegant code. EDITED _interval2 after seeing this answer: argsmap = {'y': ('days', 365), 'M': ('days', 30), 'w': ('weeks', 1), 'd': ('days', 1), 'h': ('hours', 1), 'm': ('minutes', 1), 's': ('seconds', 1)} for (n,q) in m: args[argsmap[q][0]] += float(n)*argsmap[q][1]

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  • I need to speed up a function. Should I use cython, ctypes, or something else?

    - by Peter Stewart
    I'm having a lot of fun learning Python by writing a genetic programming type of application. I've had some great advice from Torsten Marek, Paul Hankin and Alex Martelli on this site. The program has 4 main functions: generate (randomly) an expression tree. evaluate the fitness of the tree crossbreed mutate As all of generate, crossbreed and mutate call 'evaluate the fitness'. it is the busiest function and is the primary bottleneck speedwise. As is the nature of genetic algorithms, it has to search an immense solution space so the faster the better. I want to speed up each of these functions. I'll start with the fitness evaluator. My question is what is the best way to do this. I've been looking into cython, ctypes and 'linking and embedding'. They are all new to me and quite beyond me at the moment but I look forward to learning one and eventually all of them. The 'fitness function' needs to compare the value of the expression tree to the value of the target expression. So it will consist of a postfix evaluator which will read the tree in a postfix order. I have all the code in python. I need advice on which I should learn and use now: cython, ctypes or linking and embedding. Thank you.

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  • How to speed up an already cached pip install?

    - by Maxime R.
    I frequently have to re-create virtual environments from a requirements.txt and I am already using $PIP_DOWNLOAD_CACHE. It still takes a lot of time and I noticed the following: Pip spends a lot of time between the following two lines: Downloading/unpacking SomePackage==1.4 (from -r requirements.txt (line 2)) Using download cache from $HOME/.pip_download_cache/cached_package.tar.gz Like ~20 seconds on average to decide it's going to use the cached package, then the install is fast. This is a lot of time when you have to install dozens of packages (actually enough to write this question). What is going on in the background? Are they some sort of integrity checks against the online package? Is there a way to speed this up? edit: Looking at: time pip install -v Django==1.4 I get: real 1m16.120s user 0m4.312s sys 0m1.280s The full output is here http://pastebin.com/e4Q2B5BA. Looks like pip is spending his time looking for a valid download link while it already has a valid cache of http://pypi.python.org/packages/source/D/Django/Django-1.4.tar.gz. Is there a way to look for the cache first and stop there if versions match?

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  • Inline function v. Macro in C -- What's the Overhead (Memory/Speed)?

    - by Jason R. Mick
    I searched Stack Overflow for the pros/cons of function-like macros v. inline functions. I found the following discussion: Pros and Cons of Different macro function / inline methods in C ...but it didn't answer my primary burning question. Namely, what is the overhead in c of using a macro function (with variables, possibly other function calls) v. an inline function, in terms of memory usage and execution speed? Are there any compiler-dependent differences in overhead? I have both icc and gcc at my disposal. My code snippet I'm modularizing is: double AttractiveTerm = pow(SigmaSquared/RadialDistanceSquared,3); double RepulsiveTerm = AttractiveTerm * AttractiveTerm; EnergyContribution += 4 * Epsilon * (RepulsiveTerm - AttractiveTerm); My reason for turning it into an inline function/macro is so I can drop it into a c file and then conditionally compile other similar, but slightly different functions/macros. e.g.: double AttractiveTerm = pow(SigmaSquared/RadialDistanceSquared,3); double RepulsiveTerm = pow(SigmaSquared/RadialDistanceSquared,9); EnergyContribution += 4 * Epsilon * (RepulsiveTerm - AttractiveTerm); (note the difference in the second line...) This function is a central one to my code and gets called thousands of times per step in my program and my program performs millions of steps. Thus I want to have the LEAST overhead possible, hence why I'm wasting time worrying about the overhead of inlining v. transforming the code into a macro. Based on the prior discussion I already realize other pros/cons (type independence and resulting errors from that) of macros... but what I want to know most, and don't currently know is the PERFORMANCE. I know some of you C veterans will have some great insight for me!!

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  • MySQL PHP | "SELECT FROM table" using "alphanumeric"-UUID. Speed vs. Indexed Integer / Indexed Char

    - by dropson
    At the moment, I select rows from 'table01' using: SELECT * FROM table01 WHERE UUID = 'whatever'; The UUID column is a unique index. I know this isn't the fastest way to select data from the database, but the UUID is the only row-identifier that is available to the front-end. Since I have to select by UUID, and not ID, I need to know what of these two options I should go for, if say the table consists of 100'000 rows. What speed differences would I look at, and would the index for the UUID grow to large, and lag the DB? Get the ID before doing the "big" select 1. $id = "SELECT ID FROM table01 WHERE UUID = '{alphanumeric character}'"; 2. $rows = SELECT * FROM table01 WHERE ID = $id; Or keep it the way it is now, using the UUID. 1. SELECT FROM table01 WHERE UUID '{alphanumeric character}'; Side note: All new rows are created by checking if the system generated uniqueid exists before trying to insert a new row. Keeping the column always unique. The "example" table. CREATE TABLE Table01 ( ID int NOT NULL PRIMARY KEY, UUID char(15), name varchar(100), url varchar(255), `date` datetime ) ENGINE = InnoDB; CREATE UNIQUE INDEX UUID ON Table01 (UUID);

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  • How to speed up drawing of scaled image? Audio playback chokes during window resize.

    - by Paperflyer
    I am writing an audio player for OSX. One view is a custom view that displays a waveform. The waveform is stored as a instance variable of type NSImage with an NSBitmapImageRep. The view also displays a progress indicator (a thick red line). Therefore, it is updated/redrawn every 30 milliseconds. Since it takes a rather long time to recalculate the image, I do that in a background thread after every window resize and update the displayed image once the new image is ready. In the meantime, the original image is scaled to fit the view like this: // The drawing rectangle is slightly smaller than the view, defined by // the two margins. NSRect drawingRect; drawingRect.origin = NSMakePoint(sideEdgeMarginWidth, topEdgeMarginHeight); drawingRect.size = NSMakeSize([self bounds].size.width-2*sideEdgeMarginWidth, [self bounds].size.height-2*topEdgeMarginHeight); [waveform drawInRect:drawingRect fromRect:NSZeroRect operation:NSCompositeSourceOver fraction:1]; The view makes up the biggest part of the window. During live resize, audio starts choking. Selecting the "big" graphic card on my Macbook Pro makes it less bad, but not by much. CPU utilization is somewhere around 20-40% during live resizes. Instruments suggests that rescaling/redrawing of the image is the problem. Once I stop resizing the window, CPU utilization goes down and audio stops glitching. I already tried to disable image interpolation to speed up the drawing like this: [[NSGraphicsContext currentContext] setImageInterpolation:NSImageInterpolationNone]; That helps, but audio still chokes during live resizes. Do you have an idea how to improve this? The main thing is to prevent the audio from choking.

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  • Python2.7: How can I speed up this bit of code (loop/lists/tuple optimization)?

    - by user89
    I repeat the following idiom again and again. I read from a large file (sometimes, up to 1.2 million records!) and store the output into an SQLite databse. Putting stuff into the SQLite DB seems to be fairly fast. def readerFunction(recordSize, recordFormat, connection, outputDirectory, outputFile, numObjects): insertString = "insert into NODE_DISP_INFO(node, analysis, timeStep, H1_translation, H2_translation, V_translation, H1_rotation, H2_rotation, V_rotation) values (?, ?, ?, ?, ?, ?, ?, ?, ?)" analysisNumber = int(outputPath[-3:]) outputFileObject = open(os.path.join(outputDirectory, outputFile), "rb") outputFileObject, numberOfRecordsInFileObject = determineNumberOfRecordsInFileObjectGivenRecordSize(recordSize, outputFileObject) numberOfRecordsPerObject = (numberOfRecordsInFileObject//numberOfObjects) loop1StartTime = time.time() for i in range(numberOfRecordsPerObject ): processedRecords = [] loop2StartTime = time.time() for j in range(numberOfObjects): fout = outputFileObject .read(recordSize) processedRecords.append(tuple([j+1, analysisNumber, i] + [x for x in list(struct.unpack(recordFormat, fout))])) loop2EndTime = time.time() print "Time taken to finish loop2: {}".format(loop2EndTime-loop2StartTime) dbInsertStartTime = time.time() connection.executemany(insertString, processedRecords) dbInsertEndTime = time.time() loop1EndTime = time.time() print "Time taken to finish loop1: {}".format(loop1EndTime-loop1StartTime) outputFileObject.close() print "Finished reading output file for analysis {}...".format(analysisNumber) When I run the code, it seems that "loop 2" and "inserting into the database" is where most execution time is spent. Average "loop 2" time is 0.003s, but it is run up to 50,000 times, in some analyses. The time spent putting stuff into the database is about the same: 0.004s. Currently, I am inserting into the database every time after loop2 finishes so that I don't have to deal with running out RAM. What could I do to speed up "loop 2"?

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  • how to install ffmpeg in cpanel

    - by Ajay Chthri
    i'm using dedicated server(linux) so i need to install ffmpeg in cpanel so here ffmpeg i found in Main Software Install a Perl Module but i writing script in php so how can i install ffmpeg phpperl when i'am trying to install ffmpeg in perl module i get this response Checking C compiler....C compiler (/usr/bin/cc) OK (cached Tue Jan 17 19:16:31 2012)....Done CPAN fallback is disabled since /var/cpanel/conserve_memory exists, and cpanm is available. Method: Using Perl Expect, Installer: cpanm You have make /usr/bin/make Falling back to HTTP::Tiny 0.009 You have /bin/tar: tar (GNU tar) 1.15.1 You have /usr/bin/unzip You have Cpanel::HttpRequest 2.1 Testing connection speed...(using fast method)...Done Ping:2 (ticks) Testing connection speed to cpan.knowledgematters.net using pureperl...(28800.00 bytes/s)...Done Ping:2 (ticks) Testing connection speed to cpan.develooper.com using pureperl...(22233.33 bytes/s)...Done Ping:2 (ticks) Testing connection speed to cpan.schatt.com using pureperl...(32750.00 bytes/s)...Done Ping:3 (ticks) Testing connection speed to cpan.mirror.facebook.net using pureperl...(14050.00 bytes/s)...Done Ping:2 (ticks) Testing connection speed to cpan.mirrors.hoobly.com using pureperl...(5150.00 bytes/s)...Done Five usable mirrors located Ping:0 (ticks) Testing connection speed to 208.109.109.239 using pureperl...(28950.00 bytes/s)...Done Ping:2 (ticks) Testing connection speed to 208.82.118.100 using pureperl...(19300.00 bytes/s)...Done Ping:1 (ticks) Testing connection speed to 69.50.192.73 using pureperl...(19300.00 bytes/s)...Done Three usable fallback mirrors located Mirror Check passed for cpan.schatt.com (/index.html) Searching on cpanmetadb ... Fetching http://cpanmetadb.cpanel.net/v1.0/package/Video::FFmpeg?cpanel_version=11.30.5.6&cpanel_tier=release (connected:0).......(request attempt 1/12)...Using dns cache file /root/.HttpRequest/cpanmetadb.cpanel.net......searching for mirrors (mirror search attempt 1/3)......5 usable mirrors located. (less then expected)......mirror search success......connecting to 208.74.123.82...@208.74.123.82......connected......receiving...100%......request success......Done Searching Video::FFmpeg on cpanmetadb (http://cpanmetadb.cpanel.net/v1.0/package/Video::FFmpeg?cpanel_version=11.30.5.6&cpanel_tier=release) ... Fetching http://cpanmetadb.cpanel.net/v1.0/package/Video::FFmpeg?cpanel_version=11.30.5.6&cpanel_tier=release (connected:1).......(request attempt 1/12)[email protected]%......request success......Done Source: fastest CPAN mirror ... --> Working on Video::FFmpeg Fetching http://cpan.schatt.com//authors/id/R/RA/RANDOMMAN/Video-FFmpeg-0.47.tar.gz ... Fetching http://cpan.schatt.com/authors/id/R/RA/RANDOMMAN/Video-FFmpeg-0.47.tar.gz (connected:1).......(request attempt 1/12)...Resolving cpan.schatt.com...(resolve attempt 1/65)......connecting to 66.249.128.125...@66.249.128.125......connected......receiving...25%...50%...75%...100%......request success......Done OK Unpacking Video-FFmpeg-0.47.tar.gz Video-FFmpeg-0.47/ Video-FFmpeg-0.47/Changes Video-FFmpeg-0.47/FFmpeg.xs Video-FFmpeg-0.47/MANIFEST Video-FFmpeg-0.47/META.yml Video-FFmpeg-0.47/Makefile.PL Video-FFmpeg-0.47/README Video-FFmpeg-0.47/lib/ Video-FFmpeg-0.47/lib/Video/ Video-FFmpeg-0.47/lib/Video/FFmpeg/ Video-FFmpeg-0.47/lib/Video/FFmpeg/AVFormat.pm Video-FFmpeg-0.47/lib/Video/FFmpeg/AVStream/ Video-FFmpeg-0.47/lib/Video/FFmpeg/AVStream/Audio.pm Video-FFmpeg-0.47/lib/Video/FFmpeg/AVStream/Subtitle.pm Video-FFmpeg-0.47/lib/Video/FFmpeg/AVStream/Video.pm Video-FFmpeg-0.47/lib/Video/FFmpeg/AVStream.pm Video-FFmpeg-0.47/lib/Video/FFmpeg.pm Video-FFmpeg-0.47/ppport.h Video-FFmpeg-0.47/t/ Video-FFmpeg-0.47/t/Video-FFmpeg.t Video-FFmpeg-0.47/test Video-FFmpeg-0.47/test.mp4 Video-FFmpeg-0.47/typemap Entering Video-FFmpeg-0.47 Checking configure dependencies from META.yml META.yml not found or unparsable. Fetching META.yml from search.cpan.org Fetching http://search.cpan.org/meta/Video-FFmpeg-0.47/META.yml (connected:1).......(request attempt 1/12)...Resolving search.cpan.org...(resolve attempt 1/65)......connecting to 199.15.176.161...@199.15.176.161......connected......receiving...100%......request success......Done Configuring Video-FFmpeg-0.47 ... Running Makefile.PL Perl v5.10.0 required--this is only v5.8.8, stopped at Makefile.PL line 1. BEGIN failed--compilation aborted at Makefile.PL line 1. N/A ! Configure failed for Video-FFmpeg-0.47. See /home/.cpanm/build.log for details. Perl Expect failed with non-zero exit status: 256 All available perl module install methods have failed guide me how can i install ffmpeg in cPanel Thanks for advance.

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  • Ldap ssh authentication is super slow... any way to speed it up?

    - by Johnathon
    I am running OpenSUSE. Here is the output of ssh -vvv: OpenSSH_5.8p1, OpenSSL 1.0.0c 2 Dec 2010 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to <ipaddress> [ipaddress] port 22. debug1: Connection established. debug1: permanently_set_uid: 0/0 debug3: Incorrect RSA1 identifier debug3: Could not load "/root/.ssh/id_rsa" as a RSA1 public key debug2: key_type_from_name: unknown key type '-----BEGIN' debug3: key_read: missing keytype debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug2: key_type_from_name: unknown key type '-----END' debug3: key_read: missing keytype debug1: identity file /root/.ssh/id_rsa type 1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1 debug1: match: OpenSSH_5.1 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.8 debug2: fd 3 setting O_NONBLOCK debug3: load_hostkeys: loading entries for host "ipaddress" from file "/root/.ssh/known_hosts" debug3: load_hostkeys: found key type RSA in file /root/.ssh/known_hosts:4 debug3: load_hostkeys: loaded 1 keys debug3: order_hostkeyalgs: prefer hostkeyalgs: [email protected],[email protected],ssh-rsa debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: [email protected],[email protected],ssh-rsa,[email protected],[email protected],[email protected],[email protected],[email protected],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-dss debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[email protected],zlib debug2: kex_parse_kexinit: none,[email protected],zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[email protected],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[email protected],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[email protected] debug2: kex_parse_kexinit: none,[email protected] debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_setup: found hmac-md5 debug1: kex: server->client aes128-ctr hmac-md5 none debug2: mac_setup: found hmac-md5 debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug2: dh_gen_key: priv key bits set: 138/256 debug2: bits set: 529/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Server host key: RSA cb:7f:ff:2e:65:28:f0:95:e6:8a:71:24:2a:67:02:2b debug3: load_hostkeys: loading entries for host "<ipaddress>" from file "/root/.ssh/known_hosts" debug3: load_hostkeys: found key type RSA in file /root/.ssh/known_hosts:4 debug3: load_hostkeys: loaded 1 keys debug1: Host '<ipaddress>' is known and matches the RSA host key. debug1: Found key in /root/.ssh/known_hosts:4 debug2: bits set: 504/1024 debug1: ssh_rsa_verify: signature correct debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /root/.ssh/id_rsa (0xb789d5c8) debug2: key: /root/.ssh/id_dsa ((nil)) debug2: key: /root/.ssh/id_ecdsa ((nil)) debug1: Authentications that can continue: publickey,keyboard-interactive debug3: start over, passed a different list publickey,keyboard-interactive debug3: preferred publickey,keyboard-interactive,password debug3: authmethod_lookup publickey debug3: remaining preferred: keyboard-interactive,password debug3: authmethod_is_enabled publickey debug1: Next authentication method: publickey debug1: Offering RSA public key: /root/.ssh/id_rsa debug3: send_pubkey_test debug2: we sent a publickey packet, wait for reply It hangs here for a good 30 seconds to a minute then debug1: Authentications that can continue: publickey,keyboard-interactive debug1: Trying private key: /root/.ssh/id_dsa debug3: no such identity: /root/.ssh/id_dsa debug1: Trying private key: /root/.ssh/id_ecdsa debug3: no such identity: /root/.ssh/id_ecdsa debug2: we did not send a packet, disable method debug3: authmethod_lookup keyboard-interactive debug3: remaining preferred: password debug3: authmethod_is_enabled keyboard-interactive debug1: Next authentication method: keyboard-interactive debug2: userauth_kbdint debug2: we sent a keyboard-interactive packet, wait for reply debug2: input_userauth_info_req debug2: input_userauth_info_req: num_prompts 1 I added PubkeyAuthentication no to the /etc/ssh/ssh_config and the /etc/ssh/sshd_config which makes it faster getting to the password prompt, but the password prompt still takes some time. Any way to fix that? Here is where the password hangs debug3: packet_send2: adding 32 (len 25 padlen 7 extra_pad 64) debug2: input_userauth_info_req debug2: input_userauth_info_req: num_prompts 0 debug3: packet_send2: adding 48 (len 10 padlen 6 extra_pad 64) debug1: Authentication succeeded (keyboard-interactive). Authenticated to ipaddress ([ipaddress]:22). debug1: channel 0: new [client-session] debug3: ssh_session2_open: channel_new: 0 debug2: channel 0: send open debug1: Requesting [email protected] debug1: Entering interactive session. FIXED!!!!!!!!!!!!!! What is did... In the nsswitch_conf I had ldap included in the group and passwd which slows it down a lot. Thank you everybody for your input passwd: compat group: files hosts: files dns networks: files dns

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  • Why would the 'show processlist' command speed up normally slow requests to my remote DB? (connected via VPN)

    - by Hakan B.
    I am running a local Django development server that connects to a remote MySQL server via a VPN (IPSec). Request times are awfully slow and I consistently see timeouts. Attempting to diagnose the problem, I logged in to the remote database and ran: show full processlist Immediately, the local server went from idle to working. The page had not yet completely loaded, but progress had been made (debug logs confirm this). When I ran 'show full processlist' several times more in succession, the request completed quickly. I can currently reproduce this - unless I run 'show full processlist' over and over on the remote server, my local request usually times out. Does anyone have any idea why this would happen? I'm running Django 1.3 and OS X 10.7. Note: I realize this may be entirely not be a question with a clear-cut answer and is probably my fault, but it is odd and reproducable, so I hope someone can at least point me the right direction. Thanks in advance.

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  • What configuration changes can I make to speed up extremely slow Windows VM's in ESXi 4.0.

    - by Shawn Anderson
    I've recently moved from VMWare Server to ESXi 4.0. Running on Dell T310. My VM's have been restored but they are running dog slow compared to VMWare Server. I loaded ESXi 4.0 using only default values. Where are some areas where I can tweak the performance? Even logging onto the VM's can be extremely sluggish. Trying to install software on any of them is a new experience in pain. Dell PowerEdge T310 Xeon X3460 2.80 GHz 32 GB RAM 1 HD (2 TB) I have 16 VM's on this server, but only six or so will be running during my testing. I keep an eye on the Resource Allocation and Performance tabs for the host and I never see CPU or RAM getting anywhere close to pegged. Events tab does show some notices for video RAM issues and some hints on Windows activation issues, but nothing that would point to the sort of sluggishness that I'm experiencing. 1 Windows Server 2008 R2 (64-bit) - 4 GB RAM 1 Windows 7 (32-bit) - 2 GB RAM 1 Vista (32-bit) - 1 GB RAM 3 XP (32-bit) - 1 GB RAM Over to you! Thanks - Shawn

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  • NIC Bonding/balance-rr with Dell PowerConnect 5324

    - by Branden Martin
    I'm trying to get NIC bonding to work with balance-rr so that three NIC ports are combined, so that instead of getting 1 Gbps we get 3 Gbps. We are doing this on two servers connected to the same switch. However, we're only getting the speed of one physical link. We are using 1 Dell PowerConnect 5324, SW version 2.0.1.3, Boot version 1.0.2.02, HW version 00.00.02. Both servers are CentOS 5.9 (Final) running OnApp Hypervisor (CloudBoot) Server 1 is using ports g5-g7 in port-channel 1. Server 2 is using ports g9-g11 in port-channel 2. Switch show interface status Port Type Duplex Speed Neg ctrl State Pressure Mode -------- ------------ ------ ----- -------- ---- ----------- -------- ------- g1 1G-Copper -- -- -- -- Down -- -- g2 1G-Copper Full 1000 Enabled Off Up Disabled Off g3 1G-Copper -- -- -- -- Down -- -- g4 1G-Copper -- -- -- -- Down -- -- g5 1G-Copper Full 1000 Enabled Off Up Disabled Off g6 1G-Copper Full 1000 Enabled Off Up Disabled Off g7 1G-Copper Full 1000 Enabled Off Up Disabled On g8 1G-Copper Full 1000 Enabled Off Up Disabled Off g9 1G-Copper Full 1000 Enabled Off Up Disabled On g10 1G-Copper Full 1000 Enabled Off Up Disabled On g11 1G-Copper Full 1000 Enabled Off Up Disabled Off g12 1G-Copper Full 1000 Enabled Off Up Disabled On g13 1G-Copper -- -- -- -- Down -- -- g14 1G-Copper -- -- -- -- Down -- -- g15 1G-Copper -- -- -- -- Down -- -- g16 1G-Copper -- -- -- -- Down -- -- g17 1G-Copper -- -- -- -- Down -- -- g18 1G-Copper -- -- -- -- Down -- -- g19 1G-Copper -- -- -- -- Down -- -- g20 1G-Copper -- -- -- -- Down -- -- g21 1G-Combo-C -- -- -- -- Down -- -- g22 1G-Combo-C -- -- -- -- Down -- -- g23 1G-Combo-C -- -- -- -- Down -- -- g24 1G-Combo-C Full 100 Enabled Off Up Disabled On Flow Link Ch Type Duplex Speed Neg control State -------- ------- ------ ----- -------- ------- ----------- ch1 1G Full 1000 Enabled Off Up ch2 1G Full 1000 Enabled Off Up ch3 -- -- -- -- -- Not Present ch4 -- -- -- -- -- Not Present ch5 -- -- -- -- -- Not Present ch6 -- -- -- -- -- Not Present ch7 -- -- -- -- -- Not Present ch8 -- -- -- -- -- Not Present Server 1: cat /etc/sysconfig/network-scripts/ifcfg-eth3 DEVICE=eth3 HWADDR=00:1b:21:ac:d5:55 USERCTL=no BOOTPROTO=none ONBOOT=yes MASTER=onappstorebond SLAVE=yes cat /etc/sysconfig/network-scripts/ifcfg-eth4 DEVICE=eth4 HWADDR=68:05:ca:18:28:ae USERCTL=no BOOTPROTO=none ONBOOT=yes MASTER=onappstorebond SLAVE=yes cat /etc/sysconfig/network-scripts/ifcfg-eth5 DEVICE=eth5 HWADDR=68:05:ca:18:28:af USERCTL=no BOOTPROTO=none ONBOOT=yes MASTER=onappstorebond SLAVE=yes cat /etc/sysconfig/network-scripts/ifcfg-onappstorebond DEVICE=onappstorebond IPADDR=10.200.52.1 NETMASK=255.255.0.0 GATEWAY=10.200.2.254 NETWORK=10.200.0.0 USERCTL=no BOOTPROTO=none ONBOOT=yes cat /proc/net/bonding/onappstorebond Ethernet Channel Bonding Driver: v3.4.0-1 (October 7, 2008) Bonding Mode: load balancing (round-robin) MII Status: up MII Polling Interval (ms): 100 Up Delay (ms): 0 Down Delay (ms): 0 Slave Interface: eth3 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 00:1b:21:ac:d5:55 Slave Interface: eth4 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 68:05:ca:18:28:ae Slave Interface: eth5 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 68:05:ca:18:28:af Server 2: cat /etc/sysconfig/network-scripts/ifcfg-eth3 DEVICE=eth3 HWADDR=00:1b:21:ac:d5:a7 USERCTL=no BOOTPROTO=none ONBOOT=yes MASTER=onappstorebond SLAVE=yes cat /etc/sysconfig/network-scripts/ifcfg-eth4 DEVICE=eth4 HWADDR=68:05:ca:18:30:30 USERCTL=no BOOTPROTO=none ONBOOT=yes MASTER=onappstorebond SLAVE=yes cat /etc/sysconfig/network-scripts/ifcfg-eth5 DEVICE=eth5 HWADDR=68:05:ca:18:30:31 USERCTL=no BOOTPROTO=none ONBOOT=yes MASTER=onappstorebond SLAVE=yes cat /etc/sysconfig/network-scripts/ifcfg-onappstorebond DEVICE=onappstorebond IPADDR=10.200.53.1 NETMASK=255.255.0.0 GATEWAY=10.200.3.254 NETWORK=10.200.0.0 USERCTL=no BOOTPROTO=none ONBOOT=yes cat /proc/net/bonding/onappstorebond Ethernet Channel Bonding Driver: v3.4.0-1 (October 7, 2008) Bonding Mode: load balancing (round-robin) MII Status: up MII Polling Interval (ms): 100 Up Delay (ms): 0 Down Delay (ms): 0 Slave Interface: eth3 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 00:1b:21:ac:d5:a7 Slave Interface: eth4 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 68:05:ca:18:30:30 Slave Interface: eth5 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 68:05:ca:18:30:31 Here are the results of iperf. ------------------------------------------------------------ Client connecting to 10.200.52.1, TCP port 5001 TCP window size: 27.7 KByte (default) ------------------------------------------------------------ [ 3] local 10.200.3.254 port 53766 connected with 10.200.52.1 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 950 MBytes 794 Mbits/sec

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  • How can I run a speed test for Netflix and Hulu?

    - by Brennan Stehling
    Since the FCC rules were struck down I have noticed that Netflix and Hulu often stall on my Time Warner home connection. I've heard others are experiencing the same delays. I use Speedtest.net regularly from my computer and phone to check my connection and typically at home I get 10 to 15Mbps and occasionally higher. Currently it is around 10Mbps yet Hulu is stalling. Is there a way to specifically test my speeds for streaming Netflix and Hulu?

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  • How can I speed up my Windows Server 2008 VPN Connection?

    - by Pure.Krome
    So I've installed VPN service that comes with Windows Server 2008. Works perfectly, etc. When a client remote desktops to one of the private servers at the office, via VPN .. it's pretty slow. Now - how long is a piece of string? So before I get all the obligatory checks, I'll list the things from Mr. Obvious: Our modem/router (fritz!box) has a data/graph that shows incoming and outbound bandwidth. Both directions are barely getting used when a client has RDP'd via VPN. Our office internet connection is running at 21,9 Mbit/s download 1,3 Mbit/s upload. I feel like it's maxing at .. modem speeds ?? Is there any tricks I can do to confirm this and possibly even fix this?

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  • What can I do to speed up my HTC Hero?

    - by Nick Bolton
    When I first got my HTC Hero phone it was very fast. But after a couple of weeks it's become slow. Typically (on any device), I've noticed that this is caused by having too much running at once... Is there a way I can limit the number of applications that are open? I think there's a task manager application in the market, so I'll try this. Does anyone have any further suggestions?

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  • Photoshop CS4 slowing down, need advice to improve speed.

    - by Pennf0lio
    Hi, I just recently experienced problem with my Photoshop, It seem that it is slowing down when I am doing graphics design. Big or small files ( from 20 x 20 inch 300 dpi of resolution to 800x600 72 resolution ) it is really slowing down. Particularly when I am panning to my project It just get stuck for a few seconds then back to normal with slow movement. Can you guess what's wrong? I have an updated antivirus and I don't think virus is causing it. other adobe suite is working fine just my photoshop. I am running in windows 7, using Intel Core2 Duo 2.40 Ghz and has an Installed Ram of 2 GB. My primary scratch disk has 21 Gigabyte left and the secondary has a 13.89 GB. I need a solution urgently. I am planning to reformat my computer just to resolve my problem.

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  • Eclipse: would more CPU cores with HyperThreading help increase speed?

    - by Dylan
    I'm programming a very large project in Eclipse. Right now I use a dual core machine with 2GB RAM, but Eclipse is sometimes busy for minutes (refreshing/indexing/building), so I'm upgrading to a new machine (with 16GB RAM and an SSD). Now I must choose between an Intel 2500K or an Intel 2600K that has HyperThreading. The price difference is about $100. Would that be worth it, for Eclipse, or is more memory/faster drive much more important for Eclipse ? Can Eclipse make use of the HyperThreading at all?

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  • Important hardware components to avoid bottlenecks/improve speed on a laptop?

    - by joelhaus
    Looking for a powerful general use (including web development) laptop running Windows. Price points seem to be all over the place. Many less powerful machines are priced much higher than machines with better specs. How does one navigate this market? Are there any unpublished/under-publicized specs/bottlenecks you look for? Understanding that hardware improves over time, is there an efficient ratio that can be used (or something similar, like Windows Experience Index?) which will indicate how powerful a system is? Thanks in advance! P.S. Here is an example from a laptop released on September 17, 2010. Can anyone pick apart these specs? Is there missing information you would be looking for? OS: Win 7 Display: 16.4" LED backlit Processor: Intel Core i7-740QM, 6MB L3 Cache RAM: 6GB DDR3 1333MHz (8GB max.) Graphics: NVIDIA GeForce GT 425M (1 GB of dedicated DDR3) HDD: 500GB 7200RPM SATA Hard Drive Removable Disc: Blue-ray with DVD±R/RW Misc: webcam/mic/speakers/bluetooth (via Sony Vaio VPC-F137FX/B)

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  • Is there any way to distribute x264 encoding jobs across multiple computers (to increase the encoding speed)?

    - by Breakthrough
    Does anyone know of a current, active solution to encoding x264 videos across many computers (via the network) to increase encoding FPS? Brownie points for cross-platform and open source, but just so you all know, I usually use Windows. Programs that I have heard of, and why I do not believe they are suitable: x264farm: Not actively developed. Good interface, but does not support two-pass encoding, and fails with newer x264 builds. ELDER: Again, not actively developed, but my issue was that it didn't work with new x264 builds, and it was very difficult to configure (read: randomly stopped working). While I don't absolutely need a program which is being actively developed, I would like one that supports two-pass encoding, and works with new(er) x264 builds. Additional information: So far, I've offered (and awarded!) two separate bounties on this question since I first posted it over two years ago, and I still haven't found a solution to this problem. What I'm looking for basically is a simple program to allow me to encode x264 videos using the processing power of multiple computers connected over a LAN. Furthermore, it would be nice if it worked with new(er) x264 builds, and supported two-pass encoding. If at any time someone has an updated answer, or a new solution to this problem, please post it and it will be given some consideration.

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