[jira] [Commented] (HDFS-16422) Fix thread safety of EC decoding during concurrent preads

[ https://issues.apache.org/jira/browse/HDFS-16422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17716656#comment-17716656 ] Tao Li commented on HDFS-16422: --- Hi [~cndaimin] , have you tested the impact on performance

[jira] [Commented] (HDFS-16422) Fix thread safety of EC decoding during concurrent preads

[ https://issues.apache.org/jira/browse/HDFS-16422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17522275#comment-17522275 ] Steve Loughran commented on HDFS-16422: --- this patch is going in to 3.3.3, for peopl

[jira] [Commented] (HDFS-16422) Fix thread safety of EC decoding during concurrent preads

[ https://issues.apache.org/jira/browse/HDFS-16422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17520357#comment-17520357 ] Takanobu Asanuma commented on HDFS-16422: - [~cndaimin] Thanks for your confirmati

[jira] [Commented] (HDFS-16422) Fix thread safety of EC decoding during concurrent preads

[ https://issues.apache.org/jira/browse/HDFS-16422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17520328#comment-17520328 ] daimin commented on HDFS-16422: --- [~tasanuma] I think NativeRSRawDecoder is thread safe afte

[jira] [Commented] (HDFS-16422) Fix thread safety of EC decoding during concurrent preads

[ https://issues.apache.org/jira/browse/HDFS-16422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17520310#comment-17520310 ] Takanobu Asanuma commented on HDFS-16422: - Hi [~cndaimin], bq. In conclusion: RS

[jira] [Commented] (HDFS-16422) Fix thread safety of EC decoding during concurrent preads

[ https://issues.apache.org/jira/browse/HDFS-16422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17511224#comment-17511224 ] daimin commented on HDFS-16422: --- [~jingzhao] I tested this again, and my test steps are: #

[jira] [Commented] (HDFS-16422) Fix thread safety of EC decoding during concurrent preads

[ https://issues.apache.org/jira/browse/HDFS-16422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17507969#comment-17507969 ] daimin commented on HDFS-16422: --- I tested both NativeRSRawDecoder and RSRawDecoder before,

[jira] [Commented] (HDFS-16422) Fix thread safety of EC decoding during concurrent preads

[ https://issues.apache.org/jira/browse/HDFS-16422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17503858#comment-17503858 ] Jing Zhao commented on HDFS-16422: -- Looks like we already have r/w lock protection in Ab