[389-users] Multi-Theading writes to the same 389 Master Server
Jeffrey Dunham
jeffrey.a.dunham at gmail.com
Wed Aug 21 02:39:07 UTC 2013
We have a customer that has been multi-threading behind multiple servers
and writing to our Master server. These writes come in the form of heavy
spikes (1k over 5 second intervals) very much burst traffic and all the
writes are adding new items to the same ou. While we have plans to
throttle them I had a few questions:
a) If they're writing to the same ou / updating the same indexes are they
blocked on one items success before another succeeds? So in this case
multi threading behind multiple boxes does not give them any performance
impact. I would guess this is the case, but I want to be sure. Because
replication seems to be fine which goes through a single thread iirc.
b) are there any performance tweaks that can help? I thought maybe looking
at *nsslapd-threadnumber.
*
-Jeff
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