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Posted to issues@hbase.apache.org by "Nick Dimiduk (Jira)" <ji...@apache.org> on 2020/08/17 22:00:00 UTC
[jira] [Commented] (HBASE-24894) [Flakey Test]
TestStochasticLoadBalancer.testMoveCostMultiplier
[ https://issues.apache.org/jira/browse/HBASE-24894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17179248#comment-17179248 ]
Nick Dimiduk commented on HBASE-24894:
--------------------------------------
Not much of anything in the log,
{noformat}
<testcase name="testMoveCostMultiplier" classname="org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer" time="0.031">
<failure message="expected:<3.0> but was:<7.0>" type="java.lang.AssertionError"><![CDATA[java.lang.AssertionError: expected:<3.0> but was:<7.0>
at org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer.testMoveCostMultiplier(TestStochasticLoadBalancer.java:304)
]]></failure>
<system-err><![CDATA[2020-08-13 23:11:59,538 INFO [Time-limited test] hbase.ResourceChecker(179): after: master.balancer.TestStochasticLoadBalancer#testCostAfterUndoAction Thread=9 (was 9), OpenFileDescriptor=220 (was 220), MaxFileDescriptor=1048576 (was 1048576), SystemLoadAverage=781 (was 781), ProcessCount=18 (was 18), AvailableMemoryMB=15204 (was 15215)
2020-08-13 23:11:59,546 INFO [Time-limited test] hbase.ResourceChecker(151): before: master.balancer.TestStochasticLoadBalancer#testMoveCostMultiplier Thread=9, OpenFileDescriptor=220, MaxFileDescriptor=1048576, SystemLoadAverage=781, ProcessCount=18, AvailableMemoryMB=15204
]]></system-err>
<rerunFailure message="expected:<3.0> but was:<7.0>" type="java.lang.AssertionError">
<stackTrace><![CDATA[java.lang.AssertionError: expected:<3.0> but was:<7.0>
at org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer.testMoveCostMultiplier(TestStochasticLoadBalancer.java:304)
]]></stackTrace>
<system-err><![CDATA[2020-08-13 23:12:07,211 INFO [Time-limited test] balancer.BaseLoadBalancer(1054): slop=0.0, systemTablesOnMaster=false
2020-08-13 23:12:07,211 INFO [Time-limited test] balancer.StochasticLoadBalancer(225): Loaded config; maxSteps=1000000, stepsPerRegion=800, maxRunningTime=30000, isByTable=false, CostFunctions=[RegionCountSkewCostFunction, PrimaryRegionCountSkewCostFunction, MoveCostFunction, ServerLocalityCostFunction, RackLocalityCostFunction, TableSkewCostFunction, RegionReplicaHostCostFunction, RegionReplicaRackCostFunction, ReadRequestCostFunction, CPRequestCostFunction, WriteRequestCostFunction, MemStoreSizeCostFunction, StoreFileCostFunction] etc.
2020-08-13 23:12:07,220 INFO [Time-limited test] hbase.ResourceChecker(151): before: master.balancer.TestStochasticLoadBalancer#testMoveCostMultiplier Thread=9, OpenFileDescriptor=220, MaxFileDescriptor=1048576, SystemLoadAverage=759, ProcessCount=18, AvailableMemoryMB=16033
]]></system-err>
</rerunFailure>
<rerunFailure message="expected:<3.0> but was:<7.0>" type="java.lang.AssertionError">
<stackTrace><![CDATA[java.lang.AssertionError: expected:<3.0> but was:<7.0>
at org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer.testMoveCostMultiplier(TestStochasticLoadBalancer.java:304)
]]></stackTrace>
<system-err><![CDATA[2020-08-13 23:12:07,264 INFO [Time-limited test] balancer.BaseLoadBalancer(1054): slop=0.0, systemTablesOnMaster=false
2020-08-13 23:12:07,264 INFO [Time-limited test] balancer.StochasticLoadBalancer(225): Loaded config; maxSteps=1000000, stepsPerRegion=800, maxRunningTime=30000, isByTable=false, CostFunctions=[RegionCountSkewCostFunction, PrimaryRegionCountSkewCostFunction, MoveCostFunction, ServerLocalityCostFunction, RackLocalityCostFunction, TableSkewCostFunction, RegionReplicaHostCostFunction, RegionReplicaRackCostFunction, ReadRequestCostFunction, CPRequestCostFunction, WriteRequestCostFunction, MemStoreSizeCostFunction, StoreFileCostFunction] etc.
2020-08-13 23:12:07,270 INFO [Time-limited test] hbase.ResourceChecker(151): before: master.balancer.TestStochasticLoadBalancer#testMoveCostMultiplier Thread=9, OpenFileDescriptor=220, MaxFileDescriptor=1048576, SystemLoadAverage=759, ProcessCount=18, AvailableMemoryMB=16024
]]></system-err>
</rerunFailure>
</testcase>
{noformat}
> [Flakey Test] TestStochasticLoadBalancer.testMoveCostMultiplier
> ---------------------------------------------------------------
>
> Key: HBASE-24894
> URL: https://issues.apache.org/jira/browse/HBASE-24894
> Project: HBase
> Issue Type: Test
> Components: Balancer, master, test
> Affects Versions: 3.0.0-alpha-1, 2.3.0
> Reporter: Nick Dimiduk
> Priority: Major
>
> I've noticed this test has gotten flakey on a couple PRs. The only recent change to the class under test is HBASE-24709.
> Failure looks like:
> {noformat}
> [ERROR] Failures:
> [ERROR] org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer.testMoveCostMultiplier
> [ERROR] Run 1: TestStochasticLoadBalancer.testMoveCostMultiplier:304 expected:<3.0> but was:<7.0>
> [ERROR] Run 2: TestStochasticLoadBalancer.testMoveCostMultiplier:304 expected:<3.0> but was:<7.0>
> [ERROR] Run 3: TestStochasticLoadBalancer.testMoveCostMultiplier:304 expected:<3.0> but was:<7.0>
> {noformat}
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