Mark,
You could try increasing the "tickTime" setting in zookeeper.properties to
give ZK a little more time before timing something out. Ticktime is
defined [1] as "the length of a single tick, which is the basic time unit
used by ZooKeeper, as measured in milliseconds. It is used to regulate
We have a 6-node cluster using external ZooKeeper. It is heavily loaded,
and we are attempting to tune some of the properties to alleviate some
observed issues. By "heavily loaded" I mean the graph is large (approx.
3,000 processors) and there is a lot of data in process (approx. 2M