[ https://issues.apache.org/jira/browse/HBASE-15222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Duo Zhang updated HBASE-15222: ------------------------------ Comment: was deleted (was: 你是中国人吗?不好意思,英语不好,想请教关于hbase的两个问题: 1.我使用MR(put方式)建二级索引表,但是Job运行时间很长,最后直接reduce直接卡在reduce 99%,查看reduce task,发现写入不进去了,使用jstack -gcutil 查看YARNCHILD没有full gc,查看HRegionServer(Xms4G)一直full gc,请问你有什么好的建议吗? 2.有一RS的日志总是输出:INFO org.apache.hadoop.hbase.regionser.HRegionServer:SCanner 51877 lease expired on region tablename,145377609333.44a5b5020f...,请问怎么解决或者好的建议? 谢谢!!方便的话请加我QQ:1736333563,或者告诉我你的联系方式) > Use less contended classes for metrics > -------------------------------------- > > Key: HBASE-15222 > URL: https://issues.apache.org/jira/browse/HBASE-15222 > Project: HBase > Issue Type: Bug > Components: metrics > Affects Versions: 2.0.0, 1.2.0, 1.3.0 > Reporter: Elliott Clark > Assignee: Elliott Clark > Priority: Critical > Fix For: 2.0.0, 1.3.0 > > Attachments: HBASE-15222-v1.patch, HBASE-15222-v10.patch, > HBASE-15222-v11.patch, HBASE-15222-v12.patch, HBASE-15222-v13.patch, > HBASE-15222-v2.patch, HBASE-15222-v3.patch, HBASE-15222-v5.patch, > HBASE-15222-v6.patch, HBASE-15222-v8.patch, HBASE-15222-v9.patch, > HBASE-15222.patch > > > Running the benchmarks now, but it looks like the results are pretty extreme. > The locking in our histograms is pretty extreme. -- This message was sent by Atlassian JIRA (v6.3.4#6332)