Re: [389-users] shrink changelogdb - Help

[Noriko Hosoi]

On 01/30/2015 12:54 PM, Jordan, Phillip wrote:
>  Can someone forward a link on how to shrink down the changelogdb, we 
>  tried the LDIF method  to create the values but the schema  is not 
>  present in the directory to create the object.  Does a better document 
>  exist or someone that has come across this same issue let me know.  
>  Thanks in advance.
>
>  We are running 1.2.11.15 B2013.357.1711
>  
1) Do you happen to have a plan to upgrade to 389-ds-base-1.3.2 or 
1.3.3?  This feature is available on them.

     Ticket #197 - BDB backend - clear free page files to reduce 
changelog size
     https://fedorahosted.org/389/ticket/197
     2 config parameters are introduced to specify the interval of the
     compact calls.
     Primary DBs (id2entry):
       dn: cn=config,cn=ldbm database,cn=plugins,cn=config
       nsslapd-db-compactdb-interval: <seconds>
     Changelog DBs:
       dn: cn=changelog5,cn=config
       nsslapd-changelogcompactdb-interval: <seconds>
     By default, 2592000 seconds (30 days)

2) This config parameter "nsslapd-changelogmaxage (Max Changelog Age)" 
is available in 389-ds-base-1.2.11.  If not set, you may want to 
consider setting it.
Please see this doc section:
https://access.redhat.com/documentation/en-US/Red_Hat_Directory_Server/9....
But please note that the physical size of changelog db is not affected 
by the parameter.

3) If you do export and import back the main data without the state 
information (without -r option for db2ldif) on a master, and do consumer 
initialization against the other servers in the topology, the changelog 
dbs would be regenerated.  But it'd require quite a long down time...
>  **
>
>  *Phillip Jordan***
>
>  Lead Engineer, Web Hosting
>
>  555 W. Adams
>
>  Chicago, IL 60661
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