Comments on: MySQLTuner v1.1.0 released

By: gsprague

gsprague — Mon, 29 Mar 2010 16:20:50 +0000

This seems to work with an older version of the script but not the latest. I still cannot get it to run. Getting a command not found?

By: gsprague

gsprague — Mon, 29 Mar 2010 16:16:38 +0000

Turned diagnostics off, appears to be working now.

By: gsprague

gsprague — Mon, 29 Mar 2010 16:05:36 +0000

When I try to run this, it says command not found? Any ideas?

Thanks!

By: UniversidadPeru

UniversidadPeru — Wed, 06 Jan 2010 04:19:38 +0000

Hi there! It’s not fixed on http://mysqltuner.pl yet! ;)

By: Dukla

Dukla — Fri, 01 Jan 2010 23:35:40 +0000

——– General Statistics ————————————————–
[--] Skipped version check for MySQLTuner script
[OK] Currently running supported MySQL version 5.1.37-1ubuntu5
[OK] Operating on 64-bit architecture

——– Storage Engine Statistics ——————————————-
[--] Status: -Archive -BDB -Federated +InnoDB -ISAM -NDBCluster
[--] Data in MyISAM tables: 1M (Tables: 12)
[--] Data in InnoDB tables: 1G (Tables: 57)
[!!] Total fragmented tables: 57

——– Security Recommendations ——————————————-
[OK] All database users have passwords assigned

——– Performance Metrics ————————————————-
[--] Up for: 57m 41s (2K q [0.641 qps], 93 conn, TX: 207K, RX: 950M)
[--] Reads / Writes: 10% / 90%
[--] Total buffers: 58.0M global + 2.7M per thread (151 max threads)
[OK] Maximum possible memory usage: 463.8M (5% of installed RAM)
[OK] Slow queries: 0% (0/2K)
[OK] Highest usage of available connections: 1% (2/151)
[OK] Key buffer size / total MyISAM indexes: 16.0M/430.0K
[OK] Key buffer hit rate: 98.4% (29K cached / 472 reads)
[!!] Query cache efficiency: 2.5% (3 cached / 121 selects)
[OK] Query cache prunes per day: 0
[OK] Sorts requiring temporary tables: 0% (0 temp sorts / 2 sorts)
[OK] Temporary tables created on disk: 21% (57 on disk / 269 total)
[OK] Thread cache hit rate: 97% (2 created / 93 connections)
[!!] Table cache hit rate: 4% (57 open / 1K opened)
[OK] Open file limit used: 0% (0/1K)
[OK] Table locks acquired immediately: 100% (684 immediate / 684 locks)
[!!] Connections aborted: 8%
[!!] InnoDB data size / buffer pool: 1.2G/8.0M

——– Recommendations —————————————————–
General recommendations:
Run OPTIMIZE TABLE to defragment tables for better performance
MySQL started within last 24 hours – recommendations may be inaccurate
Enable the slow query log to troubleshoot bad queries
Increase table_cache gradually to avoid file descriptor limits
Your applications are not closing MySQL connections properly
Variables to adjust:
query_cache_limit (> 1M, or use smaller result sets)
table_cache (> 64)
innodb_buffer_pool_size (>= 1G)

By: Major Hayden

Major Hayden — Tue, 17 Nov 2009 02:43:07 +0000

Håkan – you can use the –nocolor argument to prevent color codes from ending up in your logs.

By: Major Hayden

Major Hayden — Tue, 17 Nov 2009 02:41:34 +0000

Thanks Rowan – it’s on my list of things to fix.

By: Major Hayden

Major Hayden — Tue, 17 Nov 2009 02:41:20 +0000

Thanks for catching that, Nils! I’ve adjusted it on GitHub.

By: Håkan Askengren

Håkan Askengren — Thu, 15 Oct 2009 08:29:15 +0000

Hi
Great script.
Is there a way to get output better formatted when writing to file? example;
perl mysqltuner.pl > mysqltuner_20091015.log
?

By: carl^

carl^ — Sat, 26 Sep 2009 23:04:59 +0000

I had to read this comment to find that out, but very nice idea! (now considering doing something similar using a .sh domain)#

Great script too!

Thanks

By: John Thomas

John Thomas — Thu, 24 Sep 2009 02:11:10 +0000

Ha! I could not figure out your download page at first. I thought you left off the domain. Perhaps you could add that the script can be viewed in a browser at http://mysqltuner.pl

Very cool script!! Thank you for it.

By: Rowan

Rowan — Tue, 22 Sep 2009 23:03:24 +0000

Just a note on using it with mysql 5.1.3+ the table_cache is now table_open_cache

By: Nils Breunese

Nils Breunese — Mon, 21 Sep 2009 10:23:19 +0000

A little bug: 1.1.0 reports as 1.0.1 (my $tunerversion = “1.0.1″;).

By: Major Hayden

Major Hayden — Thu, 17 Sep 2009 16:28:43 +0000

Hey toca,

You can actually just hop into a terminal and type exactly this:

wget mysqltuner.pl

I bought the ‘mysqltuner.pl’ domain name (.pl is a Polish TLD) and it redirects directly to the script. Let me know if you’re still having problems!

By: toca

toca — Thu, 17 Sep 2009 16:18:15 +0000

First thanks for providing this script, it have been extremely useful for me and very convenient too :-)

I didn’t find the download on your site though.
the download page states wget mysqltuner.pl but no url.
not a problem, I downloaded it from github, just wondered.