you can change the cachememsize online:
ldapmodify ........................................
dn: cn=<your backend name>,cn=ldbm database,cn=plugins,cn=config
changetype: modify
replace: nsslapd-cachememsize
nsslapd-cachememsize: <new size>

But I would also increase the dbcache size, which would require a restart to be effective.

So you could also stop DS, edit /etc/dirsrv/slapd-<your instance>/dse.ldif
search all *cache* attributes and replace the valu.

Ludwig

On 07/23/2015 10:21 AM, Marisa Sandhoff wrote:
Hi Sumit,

I'm not a 389ds expert but in my setup nsslapd-cachememsize is set to
10M and since I didn't do any tuning I would expect that this is some
default.

Perhaps we should start with increasing the nsslapd-cachememsize to 10M
and than see what happens with our server. Actually, how can we increase
this cachmemsize?

Thanks for your help,
Torsten and Marisa


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