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https://issues.apache.org/jira/browse/IGNITE-425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16353812#comment-16353812
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Nikolay Izhikov commented on IGNITE-425:
----------------------------------------
Full benchmark results -
https://gist.github.com/nizhikov/7e2260e17149779112918fe4713616d7
Final results -
{noformat}
# Run complete. Total time: 01:16:16
Benchmark Mode Cnt Score
Error Units
CQBenchmark.putBatch thrpt 5 0,449 ±
0,012 ops/s
CQBenchmark.putBatch:listenerReceiveEvt thrpt 5 65672877,000
#
CQBenchmark.putBatch:putCnt thrpt 5 65699963,000
#
CQWTIdBenchmark.putBatch thrpt 5 0,463 ±
0,016 ops/s
CQWTIdBenchmark.putBatch:listenerReceiveEvt thrpt 5 67976314,000
#
CQWTIdBenchmark.putBatch:putCnt thrpt 5 67993769,000
#
CQWTNullBenchmark.putBatch thrpt 5 0,468 ±
0,009 ops/s
CQWTNullBenchmark.putBatch:listenerReceiveEvt thrpt 5 68450947,000
#
CQWTNullBenchmark.putBatch:putCnt thrpt 5 68485270,000
#
CQWTValueBenchmark.putBatch thrpt 5 0,400 ±
0,029 ops/s
CQWTValueBenchmark.putBatch:listenerReceiveEvt thrpt 5 58452259,000
#
CQWTValueBenchmark.putBatch:putCnt thrpt 5 58491036,000
#
{noformat}
> Introduce transformers for continuous queries
> ---------------------------------------------
>
> Key: IGNITE-425
> URL: https://issues.apache.org/jira/browse/IGNITE-425
> Project: Ignite
> Issue Type: Sub-task
> Components: cache
> Affects Versions: 2.2
> Reporter: Yakov Zhdanov
> Assignee: Nikolay Izhikov
> Priority: Major
> Fix For: 2.5
>
>
> Currently if updated entry passes the filter, it is sent to node initiated
> the query entirely. It would be good to provide user with the ability to
> transform entry and, for example, select only fields that are important. This
> may bring huge economy to traffic and lower GC pressure as well.
> Possible signatures will be:
> {noformat}
> public final class ContinuousQuery<K, V, T> {..} // T is a type transformer
> transforms to
> public ContinuousQuery<K, V, T> setLocalListener(Listener<T> locLsnr) {..} //
> Probably, we will have to introduce new listener type, since user may want to
> wipe out key as well.
> /* new method to add */
> public ContinuousQuery<K, V, T> setRemoteTransformerFactory(Factory<? extends
> ContinuousQueryTransformer<K, V, T>> factory) { ..}
> {noformat}
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