document effects (latency) of storing large amounts of data in znodes
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Key: ZOOKEEPER-327
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-327
Project: Zookeeper
Issue Type: Improvement
Components: documentation
Reporter: Patrick Hunt
Priority: Minor
Fix For: 3.1.1, 3.2.0
znodes have max 1mb of data storage. using zk to store large amounts of data
can negatively impact latency as seen by clients - the server needs to serve
the data. often it's a better idea to store a "token" (say a uri) in the znode
pointing to a large data block stored elsewhere (filesystem? memcached, etc...)
this offloads zk and reduces latency impact
we should have details of this in the forrest docs.
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