[jira] [Updated] (MAPREDUCE-5491) DFSIO do not initialize write buffer correctly
[ https://issues.apache.org/jira/browse/MAPREDUCE-5491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Allen Wittenauer updated MAPREDUCE-5491: Labels: BB2015-05-TBR (was: ) > DFSIO do not initialize write buffer correctly > -- > > Key: MAPREDUCE-5491 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5491 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: benchmarks, test >Reporter: Raymond Liu >Assignee: Raymond Liu > Labels: BB2015-05-TBR > Attachments: MAPREDUCE-5491-v2.patch, MAPREDUCE-5491.patch > > > In DFSIO test, the IOMapperBase will set bufferSize in configure method, > while writeMapper, appendMapper etc use bufferSize to initialize buffer in > the constructor. This will lead to buffer not initialized at all. It is ok > for non compression route, while compression is used, the output data size > will be very small due to all 0 in buffer. > Thus, the overrided configure method should be be the correct place for > initial buffer -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-5491) DFSIO do not initialize write buffer correctly
[ https://issues.apache.org/jira/browse/MAPREDUCE-5491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raymond Liu updated MAPREDUCE-5491: --- Attachment: MAPREDUCE-5491-v2.patch Patch updated, using pure random buffer with 1MB size by default. In this case, the data is almost uncompressible. > DFSIO do not initialize write buffer correctly > -- > > Key: MAPREDUCE-5491 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5491 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: benchmarks, test >Affects Versions: trunk >Reporter: Raymond Liu >Assignee: Raymond Liu > Attachments: MAPREDUCE-5491.patch, MAPREDUCE-5491-v2.patch > > > In DFSIO test, the IOMapperBase will set bufferSize in configure method, > while writeMapper, appendMapper etc use bufferSize to initialize buffer in > the constructor. This will lead to buffer not initialized at all. It is ok > for non compression route, while compression is used, the output data size > will be very small due to all 0 in buffer. > Thus, the overrided configure method should be be the correct place for > initial buffer -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (MAPREDUCE-5491) DFSIO do not initialize write buffer correctly
[ https://issues.apache.org/jira/browse/MAPREDUCE-5491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raymond Liu updated MAPREDUCE-5491: --- Component/s: test > DFSIO do not initialize write buffer correctly > -- > > Key: MAPREDUCE-5491 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5491 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: benchmarks, test >Affects Versions: trunk >Reporter: Raymond Liu >Assignee: Raymond Liu > Attachments: MAPREDUCE-5491.patch > > > In DFSIO test, the IOMapperBase will set bufferSize in configure method, > while writeMapper, appendMapper etc use bufferSize to initialize buffer in > the constructor. This will lead to buffer not initialized at all. It is ok > for non compression route, while compression is used, the output data size > will be very small due to all 0 in buffer. > Thus, the overrided configure method should be be the correct place for > initial buffer -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (MAPREDUCE-5491) DFSIO do not initialize write buffer correctly
[ https://issues.apache.org/jira/browse/MAPREDUCE-5491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raymond Liu updated MAPREDUCE-5491: --- Status: Patch Available (was: Open) patch submitted for trunk > DFSIO do not initialize write buffer correctly > -- > > Key: MAPREDUCE-5491 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5491 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: benchmarks >Affects Versions: trunk >Reporter: Raymond Liu >Assignee: Raymond Liu > Attachments: MAPREDUCE-5491.patch > > > In DFSIO test, the IOMapperBase will set bufferSize in configure method, > while writeMapper, appendMapper etc use bufferSize to initialize buffer in > the constructor. This will lead to buffer not initialized at all. It is ok > for non compression route, while compression is used, the output data size > will be very small due to all 0 in buffer. > Thus, the overrided configure method should be be the correct place for > initial buffer -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (MAPREDUCE-5491) DFSIO do not initialize write buffer correctly
[ https://issues.apache.org/jira/browse/MAPREDUCE-5491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raymond Liu updated MAPREDUCE-5491: --- Attachment: MAPREDUCE-5491.patch For Trunk > DFSIO do not initialize write buffer correctly > -- > > Key: MAPREDUCE-5491 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5491 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: benchmarks >Affects Versions: trunk >Reporter: Raymond Liu >Assignee: Raymond Liu > Attachments: MAPREDUCE-5491.patch > > > In DFSIO test, the IOMapperBase will set bufferSize in configure method, > while writeMapper, appendMapper etc use bufferSize to initialize buffer in > the constructor. This will lead to buffer not initialized at all. It is ok > for non compression route, while compression is used, the output data size > will be very small due to all 0 in buffer. > Thus, the overrided configure method should be be the correct place for > initial buffer -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (MAPREDUCE-5491) DFSIO do not initialize write buffer correctly
[ https://issues.apache.org/jira/browse/MAPREDUCE-5491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raymond Liu updated MAPREDUCE-5491: --- Description: In DFSIO test, the IOMapperBase will set bufferSize in configure method, while writeMapper, appendMapper etc use bufferSize to initialize buffer in the constructor. This will lead to buffer not initialized at all. It is ok for non compression route, while compression is used, the output data size will be very small due to all 0 in buffer. Thus, the overrided configure method should be be the correct place for initial buffer was:In DFSIO test, the IOMapperBase will set bufferSize in configure method, while writeMapper, appendMapper etc use bufferSize to initialize buffer in the constructor. This will lead to buffer not initialized at all. It is ok for non compression route, while compression is used, the output data size will be very small due to all 0 in buffer. > DFSIO do not initialize write buffer correctly > -- > > Key: MAPREDUCE-5491 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5491 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: benchmarks >Affects Versions: trunk >Reporter: Raymond Liu >Assignee: Raymond Liu > > In DFSIO test, the IOMapperBase will set bufferSize in configure method, > while writeMapper, appendMapper etc use bufferSize to initialize buffer in > the constructor. This will lead to buffer not initialized at all. It is ok > for non compression route, while compression is used, the output data size > will be very small due to all 0 in buffer. > Thus, the overrided configure method should be be the correct place for > initial buffer -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
