View source for Purge old zmstats data

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=How to purge old zmstats data? =
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{{KB|{{ZC}}|{{ZCS 9.0}}|{{ZCS 8.8}}|{{ZCS 8.7}}|{{ZCS 8.6}}|{{ZCS 8.5}}|}} 
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====Problem====
Stats data under '''"/opt/zimbra/zmstat"''' is taking large disk space. 

ZCS server does not purge the stats data automatically, and retention for zmstats is controlled by the localconfig key ''"zmstat_max_retention"'''.  

By default '''zmstat_max_retention''' is set to 0 (zero), and because of that '''"zmstat-cleanup"''' command is giving following warning. 

 zimbra@mail:~$ /opt/zimbra/libexec/zmstat-cleanup
 WARNING: zmstat_max_retention is set to 0 or is undefined.  No zmstat data has been pruned.
 zimbra@mail:~$ 


====Solution====

These are the available options with the zmstat-cleanup.  
 zimbra@mail:~$ /opt/zimbra/libexec/zmstat-cleanup -h
 Usage: /opt/zimbra/libexec/zmstat-cleanup [-k <keep count>] [-h] [-l] [-p]
 
     -h|--help    Help/usage information
     -k|--keep    Number of archived copies of zmstat data to retain.
     -l|--list    Generate a listing of log dates archived.
     -p|--purge   Purge ALL archived zmstats data.


To keep zmstats data of a time period without changing the localconfig key, run:

'''Syntax:'''
 /opt/zimbra/libexec/zmstat-cleanup --keep <span style="color:lime">"<number of days>"</span> 


'''Example:'''
  
Keep zmstats data of 300 days.  
 /opt/zimbra/libexec/zmstat-cleanup --keep 300 



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|'''Submitted by''':  Heera Singh Koranga
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