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From Jens Rantil <jens.ran...@tink.se>
Subject Implications of increasing initLimit and syncLimit
Date Sun, 13 Sep 2015 16:57:09 GMT

I've read [1] & [2] and am trying to understand initLimit and
syncLimit configuration
parameters a bit better. I have three specific questions I'd like to have
answered better:

   - Is the syncLimit used when intializing a Zookeeper node? I mean, you
   could look at the node lagging behind another when initialization is taking
   too long. To me it seems like it would be useless to have a syncLimit
   smaller than initLimit, since that limit will kick in immediately after
   a long initialization has taken place. Am I right?
   - What are the implications of having a too large value of initLimit?
   - What are the implications of having a too large value of syncLimit?

I have a Zookeeper ensemble with currently quite a lot of znodes and have
currently increased these to initLimit=60 and syncLimit=30 (remaining
parameters using default).


[1] http://zookeeper.apache.org/doc/r3.1.2/zookeeperStarted.html
[2] http://zookeeper.apache.org/doc/r3.1.2/zookeeperAdmin.html

Jens Rantil
Backend engineer
Tink AB

Email: jens.rantil@tink.se
Phone: +46 708 84 18 32
Web: www.tink.se

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