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From "Max Shonichev (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-10284) performance drop on PME time during 1 server node left
Date Thu, 15 Nov 2018 20:25:00 GMT
Max Shonichev created IGNITE-10284:
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             Summary: performance drop on PME time during 1 server node left
                 Key: IGNITE-10284
                 URL: https://issues.apache.org/jira/browse/IGNITE-10284
             Project: Ignite
          Issue Type: Bug
            Reporter: Max Shonichev


7 server nodes (1 node per host), 120 caches, G1GC, 32768 partitions 1 client tx loading

1. start cluster, fix baseline, preload data
2. start tx transfer task
3. kill 1 server node
4. wait for topology snapshot change, measure PME time
5. restart killed node
6. wait for topology snapshot change, measure PME time

for 1 server LEAVE, we see 7%-10% degradation, BUG

for 1 server JOIN, we see performance degradation on first exchange (evt=NODE_LEFT) and performance
increase on second exchange (evt=CacheAffinityChange), overall 40-60% increase.



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