[mythtv-users] Very large logs seen in mythconverg database
Dan Bernard
danber1 at gmail.com
Wed Feb 20 02:00:04 UTC 2013
>>* Here is the output of the command that had the syntax error:*>>* $ mysql -umythtv -p mythconverg -e 'SHOW TABLE STATUS LIKE "logging"\G'*>>* Enter password:*>>* *************************** 1. row ****************************>>* Name: logging*>>* Engine: MyISAM*>>* Version: 10*>>* Row_format: Dynamic*>>* Rows: 27087*>>* Avg_row_length: 174*>>* Data_length: 1730321488*>>* Max_data_length: 281474976710655*>>* Index_length: 650248192*>>* Data_free: 1725601312*>>* Auto_increment: 20519185*>>* Create_time: 2012-11-19 09:05:36*>>* Update_time: 2013-02-19 17:41:52*>>* Check_time: 2013-02-18 08:02:34*>>* Collation: utf8_general_ci*>>* Checksum: NULL*>>* Create_options:*>>* Comment:*>>**>>* Let me know if that changes your recommendation, otherwise I'll plan*>>* to setup a cron job as you suggested.*>>**
>Still the same recommendation. Though your Check_time is recent, it's
>likely that it was just a simple check. optimize_mythdb.pl does a
>check, an optimize, and an analyze. So, in my case, the check was
>performed at basically the same time as the optimize and analyze. In
>your case, there probably was no optimize or analyze.
>So, I'd recommend you run the script once, from the command line
>"manually", and then check the file sizes. And please report back to
>let us know how it went. Then, you can set up the cron job for future
>maintenance.
>Note that the script will need to be run in an environment that includes
>a HOME that points to a directory with a valid
>${HOME}/.mythtv/config.xml. It's likely you'll need to specify the HOME
>environment variable in your crontab (for at least this one command).
>
>Mike
I ran optimize_mythdb.pl manually, and it made a big difference. The
log files I had listed are now only a couple MB each!
Here is the current output:
$ mysql -umythtv -p mythconverg -e 'SHOW TABLE STATUS LIKE "logging"\G'
Enter password:
*************************** 1. row ***************************
Name: logging
Engine: MyISAM
Version: 10
Row_format: Dynamic
Rows: 27557
Avg_row_length: 144
Data_length: 3983688
Max_data_length: 281474976710655
Index_length: 1203200
Data_free: 0
Auto_increment: 20519655
Create_time: 2012-11-19 09:05:36
Update_time: 2013-02-19 19:50:07
Check_time: 2013-02-19 19:50:07
Collation: utf8_general_ci
Checksum: NULL
Create_options:
Comment:
Thanks again
Dan
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