[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] stack updated HDFS-6735: Resolution: Fixed Fix Version/s: 2.7.0 Hadoop Flags: Reviewed Status: Resolved (was: Patch Ava

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: HDFS-6735-v8.txt One more update. I noticed that the lock in ShortCircuitCache is taking

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: HDFS-6735-v7.txt So here's the final one (with the findbugs tweak back in). > A minor op

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: (was: HDFS-6735-v6.txt) > A minor optimization to avoid pread() be blocked by read()

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: (was: HDFS-6735-v6.txt) > A minor optimization to avoid pread() be blocked by read()

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: HDFS-6735-v6.txt Trying to get another build. The artifacts of the previous one are gone

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: HDFS-6735-v6.txt Updated patch. The findbugs tweak is still necessary. Locking was correc

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: HDFS-6735-v6.txt Thanks [~ste...@apache.org]. New patch with findbugs tweak. > A minor

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: HDFS-6735-v5.txt Looked through the findbugs warning for DFSInputStream: * indeed current

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: HDFS-6735-v4.txt > A minor optimization to avoid pread() be blocked by read() inside the

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: (was: HDFS-6735-v4.txt) > A minor optimization to avoid pread() be blocked by read()

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: HDFS-6735-v4.txt New patch: * added synchronized back to tryZeroCopyRead * renamed shared

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated HDFS-6735: Attachment: HDFS-6735-v3.txt I classified the state in DFSInputStream into state used by read only an

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Liang Xie updated HDFS-6735: Attachment: HDFS-6735-v2.txt > A minor optimization to avoid pread() be blocked by read() inside the same >

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Liang Xie updated HDFS-6735: Description: In current DFSInputStream impl, there're a couple of coarser-grained locks in read/pread path,

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Liang Xie updated HDFS-6735: Attachment: HDFS-6735.txt > A minor optimization to avoid pread() be blocked by read() inside the same > DF

[jira] [Updated] (HDFS-6735) A minor optimization to avoid pread() be blocked by read() inside the same DFSInputStream

[ https://issues.apache.org/jira/browse/HDFS-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Liang Xie updated HDFS-6735: Status: Patch Available (was: Open) > A minor optimization to avoid pread() be blocked by read() inside the