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https://issues.apache.org/jira/browse/IGNITE-20868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vyacheslav Koptilin updated IGNITE-20868:
-----------------------------------------
Labels: ignite-3 (was: )
> ReplicaService whenCompleteAsync waste significant amount of time
> -----------------------------------------------------------------
>
> Key: IGNITE-20868
> URL: https://issues.apache.org/jira/browse/IGNITE-20868
> Project: Ignite
> Issue Type: Improvement
> Reporter: Kirill Gusakov
> Priority: Major
> Labels: ignite-3
>
> During the YCSB 1-node embedded run we found out the following behaviour:
> [this code
> |https://github.com/apache/ignite-3/blob/82c74598b5006ea3e4e86da744a68022dd799c89/modules/replicator/src/main/java/org/apache/ignite/internal/replicator/ReplicaService.java#L92]
> takes significant time to execute, because of whenCompleteAsync:
> {code:java}
> private <R> CompletableFuture<R> sendToReplica(String
> targetNodeConsistentId, ReplicaRequest req) {
> CompletableFuture<R> res = new CompletableFuture<>();
> // TODO: IGNITE-17824 Use named executor instead of default one in
> order to process replica Response.
> messagingService.invoke(targetNodeConsistentId, req,
> RPC_TIMEOUT).whenCompleteAsync(
> {code}
> The simple switch to simple whenComplete give us a boost from 26us/s to
> 13us/s in the 1-node fsync=false run of SelectBenchmark.kvGet
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