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https://issues.apache.org/jira/browse/HBASE-19338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16264977#comment-16264977
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binlijin commented on HBASE-19338:
----------------------------------
bq. yscb put qps 8w(without patch) -> 9.8W(with patch)
9.8W(with patch ) looks like i am using asyncfs.
if i use multiwal and 1 wal and with the patch the qps is 11.2W.
> Performance regression in RegionServerRpcQuotaManager to get ugi
> -----------------------------------------------------------------
>
> Key: HBASE-19338
> URL: https://issues.apache.org/jira/browse/HBASE-19338
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 3.0.0, 2.0.0-beta-2
> Reporter: binlijin
> Assignee: binlijin
> Priority: Critical
> Attachments: 19338.master.003.patch, HBASE-19338.master.001.patch,
> HBASE-19338.master.002.patch
>
>
> we find hbase-2.0.0-beta-1.SNAPSHOT have performance regression with yscb put
> and have some finding.
> {code}
> "RpcServer.default.FPBQ.Fifo.handler=131,queue=17,port=16020" #245 daemon
> prio=5 os_prio=0 tid=0x00007fc82b22e000 nid=0x3a5db waiting for monitor entry
> [0x00007fc50fafa000]
> java.lang.Thread.State: BLOCKED (on object monitor)
> at
> org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:647)
> - waiting to lock <0x00007fcaedc20830> (a java.lang.Class for
> org.apache.hadoop.security.UserGroupInformation)
> at
> org.apache.hadoop.hbase.security.User$SecureHadoopUser.<init>(User.java:264)
> at org.apache.hadoop.hbase.security.User.getCurrent(User.java:162)
> at
> org.apache.hadoop.hbase.quotas.RegionServerRpcQuotaManager.checkQuota(RegionServerRpcQuotaManager.java:179)
> at
> org.apache.hadoop.hbase.quotas.RegionServerRpcQuotaManager.checkQuota(RegionServerRpcQuotaManager.java:162)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.multi(RSRpcServices.java:2521)
> at
> org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:41560)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:406)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:325)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:305)
> {code}
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