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Showing entries 1 to 10 of 14 4 Older Entries

Displaying posts with tag: mysqlreport (reset)

Hack MySQL status update
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I haven’t posted any update in 2 months not because I haven’t been doing anything but rather the opposite: I have been exceptionally busy. As Baron has noted, I work with Percona doing the maintenance and development for Maatkit, of which release 2325 was just published. Consequently, I haven’t been working on my own scripts, though hopefully that will change, and in some ways it must. Here’s what I have in mind for my own scripts:

mysqlsla: I’m …

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mysqlreport v3.5 released
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mysqlreport v3.5 has been released which has the following fixes, changes, updates:

  • Fixed bug: incorrect checking of MySQL version caused mysqlreport to ignore InnoDB status values in some cases. Simplified version from 3 integers (major, minor, patch) to 1 (50024 = 5.0.24, 60001 = 6.0.1, etc.) for easier, more accurate version checking all around.
  • Fixed potential bug: read_relative_infiles might have incorrectly divided infiles with multiple status value sets.
  • Fixed bug: if wait_timeout was greater than –relative, mysqlreport would lose its connection while …
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mysqlreport v3.4a released, bug fix again
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mysqlreport v3.4a is ready which, like the recently released v3.4, fixes a bug in the relative reports. This time, it was the InnoDB reports which were not correct when made relative. Changes in v3.4a are:

  • Fixed bug: InnoDB report values were wrong in relative reports because 13 InnoDB status values needed to be excluded from being made relative. (thanks Debbie)
  • Changed InnoDB Buffer Pool Read ratio to Read hit %

The Guide to Understanding mysqlreport has been accordingly updated, too.

mysqlreport v3.4 released, bug fix
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mysqlreport v3.4 is ready which primarily fixes a bug in v3.3 concerning infiles for relative reports.

Changes in v3.4 are:

  • Fixed bug: –relative infiles wouldn’t work unless the SHOW STATUS values were prefixed with a line matching: /Variable_name[\s|]+Value/. Now mysqlreport looks for Aborted_clients which should always be present. (thanks Debbie)
  • Fixed formatting problem: Created Temp Table Size was too small for >99M
  • Removed redundant %Total: column label from Slow line
  • Added more debug info
MySQL Monitoring and Tuning
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We recommend two open source tools to help with the regular tuning and monitoring of your MySQL database: mysqlreport and mysqlsla. Your website is made from many complex systems. Rapid growth, changes to your site, and other systems can change the load on your MySQL database. It is important that your internal staff become familiar with using these tools and implement routine maintenance. An initial review often leads to significant improvements, and will also help you to implement a monitoring solution for your ongoing performance efforts.

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mysqlreport v3.3 released
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mysqlreport v3.3 is ready. Changes:

  • –all is now the default option and all the sub-report options like –dms, –sas, etc. have been removed. All reports that can be made are made automatically.
  • Slow line now displays long_query_time and log_slow_queries
  • Created Temp Table line now displays tmp_table_size
  • The mysqlreport tgz and zip now extract into their own directory

The mysqlreport Documentation and The Guide To Understanding mysqlreport have been updated to reflect these changes.

Guide To Understanding mysqlreport updated
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The Guide To Understanding mysqlreport has been updated. As many people have noticed, since mysqlreport v3.2, Key Write and Read ratio went away, replaced by Write and Read hit percentage. I figured that “99.87%” was more intuitive than “0.0013″.

mysqlreport v3.2 released
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mysqlreport v3.2 has been released. Mark Leith’s post, Aggregating SHOW STATUS Output, reminded me that a user had asked me a few months ago to do this for mysqlreport. I forgot until Mark’s post.

I have finished implementing this feature with mysqlreport. The new version has three new command line options: –relative (-r), –report-count (-c), and –detach. All of these are explained in the doc. This feature required substantial alterations to the script, so …

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mysqlreport v3.1 released
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Yesterday I released mysqlreport v3.1. No large changes:

  • Added support for table_open_cache system var (MySQL 5.1.3+).
  • Removed default assignments for $mycnf{’host’}, $mycnf{’port’}, and $mycnf{’socket’}.
  • Connecting to MySQL now tries socket if one is given and actually a socket, else TCP/IP host if one is given, else generic “host=localhost” which relies on the MySQL client lib to do something useful.
  • Updated help for clarity.
  • Fixed bug: spelled “fsync” wrong.

I also updated …

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Updated: Non-technical Guide to Isolating Slow MySQL Queries
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It’s strange what articles on one’s site become “popular.” I wrote Non-technical Guide to Isolating Slow MySQL Queries some time ago when I was an internal system admin at a data center. I wasn’t “customer-facing” but I still got requests from customers who wanted me to look at their MySQL server. Since that wasn’t my primary responsibility, I had to enlist their help to save me time. Hence, I wrote this article to help not-technically-inclined customers through the first few steps.

My webstats have shown this page to be hit more often than I would have expected. Consequently, I felt that I should update it, so I did.

Showing entries 1 to 10 of 14 4 Older Entries

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