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From GitBox <...@apache.org>
Subject [GitHub] [zookeeper] stickyhipp commented on issue #959: ZOOKEEPER-3402: Add multiRead operation
Date Wed, 26 Jun 2019 00:25:16 GMT
stickyhipp commented on issue #959: ZOOKEEPER-3402: Add multiRead operation
URL: https://github.com/apache/zookeeper/pull/959#issuecomment-505669934
   @szepet Given one of the goals of multi-read is performance it would good to add JMH benchmarks.
 Demonstrating improved latency for fetching a batch of records compared to doing them individually
is particularly motivating :)  I did this with a few dimensions for getDataList - sync vs
async, watch or not (not applicable for multi-read) and for a few different batch sizes. 
Another benchmark I want to compare against is to compare the performance of N individual
clients each fetching a node vs a single client making a single multi-read call to fetch the
same set of nodes.  Feel free to copy the [JMH code from my PR ](https://github.com/apache/zookeeper/pull/979/files#diff-b71fd9fdff644df434436b7b1cf1f215R1)-
the JMH benchmark calls into GetDataListTest with different dimensions to measure get latency.

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