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Semen Boikov commented on IGNITE-3372: -------------------------------------- Reviewed change, looks good. > IgniteDataStreamer: pre-loading starvation if multiple streamers preload the > same cache > --------------------------------------------------------------------------------------- > > Key: IGNITE-3372 > URL: https://issues.apache.org/jira/browse/IGNITE-3372 > Project: Ignite > Issue Type: Bug > Reporter: Denis Magda > Assignee: Denis Magda > Priority: Critical > Attachments: jstack2.log > > > If to start preloading a cache from multiple streamers on a node that owns > partitions that are being preloaded then we will get performance degradation > at some point in cases if: > - BinaryMarshaller is used; > - an entry key is a custom object for which we store data in metadata cache. > The main reason according to the thread dumps attached is a race-condition > around > {{org.apache.ignite.internal.processors.cache.GridCacheMapEntry.obsolete(GridCacheMapEntry.java:2888)}} > To improve the performance both {{GridDhtPartitionTopologyImpl.onRemove}} and > {{GridDhtPartitionTopologyImpl.onAdded}} must reuse a partition number that > is hold in entry. -- This message was sent by Atlassian JIRA (v6.3.4#6332)