[jira] [Updated] (MAPREDUCE-7169) Speculative attempts should not run on the same node
[ https://issues.apache.org/jira/browse/MAPREDUCE-7169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bilwa S T updated MAPREDUCE-7169: - Attachment: MAPREDUCE-7169.007.patch > Speculative attempts should not run on the same node > > > Key: MAPREDUCE-7169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7169 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Components: yarn >Affects Versions: 2.7.2 >Reporter: Lee chen >Assignee: Bilwa S T >Priority: Major > Attachments: MAPREDUCE-7169-001.patch, MAPREDUCE-7169-002.patch, > MAPREDUCE-7169-003.patch, MAPREDUCE-7169.004.patch, MAPREDUCE-7169.005.patch, > MAPREDUCE-7169.006.patch, MAPREDUCE-7169.007.patch, > image-2018-12-03-09-54-07-859.png > > > I found in all versions of yarn, Speculative Execution may set the > speculative task to the node of original task.What i have read is only it > will try to have one more task attempt. haven't seen any place mentioning not > on same node.It is unreasonable.If the node have some problems lead to tasks > execution will be very slow. and then placement the speculative task to same > node cannot help the problematic task. > In our cluster （version 2.7.2，2700 nodes），this phenomenon appear > almost everyday. > !image-2018-12-03-09-54-07-859.png! -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org
[jira] [Updated] (MAPREDUCE-7169) Speculative attempts should not run on the same node
[ https://issues.apache.org/jira/browse/MAPREDUCE-7169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bilwa S T updated MAPREDUCE-7169: - Attachment: MAPREDUCE-7169.006.patch > Speculative attempts should not run on the same node > > > Key: MAPREDUCE-7169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7169 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Components: yarn >Affects Versions: 2.7.2 >Reporter: Lee chen >Assignee: Bilwa S T >Priority: Major > Attachments: MAPREDUCE-7169-001.patch, MAPREDUCE-7169-002.patch, > MAPREDUCE-7169-003.patch, MAPREDUCE-7169.004.patch, MAPREDUCE-7169.005.patch, > MAPREDUCE-7169.006.patch, image-2018-12-03-09-54-07-859.png > > > I found in all versions of yarn, Speculative Execution may set the > speculative task to the node of original task.What i have read is only it > will try to have one more task attempt. haven't seen any place mentioning not > on same node.It is unreasonable.If the node have some problems lead to tasks > execution will be very slow. and then placement the speculative task to same > node cannot help the problematic task. > In our cluster （version 2.7.2，2700 nodes），this phenomenon appear > almost everyday. > !image-2018-12-03-09-54-07-859.png! -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org
[jira] [Updated] (MAPREDUCE-7169) Speculative attempts should not run on the same node
[ https://issues.apache.org/jira/browse/MAPREDUCE-7169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bilwa S T updated MAPREDUCE-7169: - Attachment: MAPREDUCE-7169.005.patch > Speculative attempts should not run on the same node > > > Key: MAPREDUCE-7169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7169 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Components: yarn >Affects Versions: 2.7.2 >Reporter: Lee chen >Assignee: Bilwa S T >Priority: Major > Attachments: MAPREDUCE-7169-001.patch, MAPREDUCE-7169-002.patch, > MAPREDUCE-7169-003.patch, MAPREDUCE-7169.004.patch, MAPREDUCE-7169.005.patch, > image-2018-12-03-09-54-07-859.png > > > I found in all versions of yarn, Speculative Execution may set the > speculative task to the node of original task.What i have read is only it > will try to have one more task attempt. haven't seen any place mentioning not > on same node.It is unreasonable.If the node have some problems lead to tasks > execution will be very slow. and then placement the speculative task to same > node cannot help the problematic task. > In our cluster （version 2.7.2，2700 nodes），this phenomenon appear > almost everyday. > !image-2018-12-03-09-54-07-859.png! -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org
[jira] [Updated] (MAPREDUCE-7169) Speculative attempts should not run on the same node
[ https://issues.apache.org/jira/browse/MAPREDUCE-7169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bilwa S T updated MAPREDUCE-7169: - Attachment: MAPREDUCE-7169.004.patch > Speculative attempts should not run on the same node > > > Key: MAPREDUCE-7169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7169 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Components: yarn >Affects Versions: 2.7.2 >Reporter: Lee chen >Assignee: Bilwa S T >Priority: Major > Attachments: MAPREDUCE-7169-001.patch, MAPREDUCE-7169-002.patch, > MAPREDUCE-7169-003.patch, MAPREDUCE-7169.004.patch, > image-2018-12-03-09-54-07-859.png > > > I found in all versions of yarn, Speculative Execution may set the > speculative task to the node of original task.What i have read is only it > will try to have one more task attempt. haven't seen any place mentioning not > on same node.It is unreasonable.If the node have some problems lead to tasks > execution will be very slow. and then placement the speculative task to same > node cannot help the problematic task. > In our cluster （version 2.7.2，2700 nodes），this phenomenon appear > almost everyday. > !image-2018-12-03-09-54-07-859.png! -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org
[jira] [Updated] (MAPREDUCE-7169) Speculative attempts should not run on the same node
[ https://issues.apache.org/jira/browse/MAPREDUCE-7169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bilwa S T updated MAPREDUCE-7169: - Attachment: MAPREDUCE-7169-003.patch > Speculative attempts should not run on the same node > > > Key: MAPREDUCE-7169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7169 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Components: yarn >Affects Versions: 2.7.2 >Reporter: Lee chen >Assignee: Bilwa S T >Priority: Major > Attachments: MAPREDUCE-7169-001.patch, MAPREDUCE-7169-002.patch, > MAPREDUCE-7169-003.patch, image-2018-12-03-09-54-07-859.png > > > I found in all versions of yarn, Speculative Execution may set the > speculative task to the node of original task.What i have read is only it > will try to have one more task attempt. haven't seen any place mentioning not > on same node.It is unreasonable.If the node have some problems lead to tasks > execution will be very slow. and then placement the speculative task to same > node cannot help the problematic task. > In our cluster （version 2.7.2，2700 nodes），this phenomenon appear > almost everyday. > !image-2018-12-03-09-54-07-859.png! -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org
[jira] [Updated] (MAPREDUCE-7169) Speculative attempts should not run on the same node
[ https://issues.apache.org/jira/browse/MAPREDUCE-7169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bilwa S T updated MAPREDUCE-7169: - Attachment: MAPREDUCE-7169-002.patch > Speculative attempts should not run on the same node > > > Key: MAPREDUCE-7169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7169 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Components: yarn >Affects Versions: 2.7.2 >Reporter: Lee chen >Assignee: Bilwa S T >Priority: Major > Attachments: MAPREDUCE-7169-001.patch, MAPREDUCE-7169-002.patch, > image-2018-12-03-09-54-07-859.png > > > I found in all versions of yarn, Speculative Execution may set the > speculative task to the node of original task.What i have read is only it > will try to have one more task attempt. haven't seen any place mentioning not > on same node.It is unreasonable.If the node have some problems lead to tasks > execution will be very slow. and then placement the speculative task to same > node cannot help the problematic task. > In our cluster （version 2.7.2，2700 nodes），this phenomenon appear > almost everyday. > !image-2018-12-03-09-54-07-859.png! -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org
[jira] [Updated] (MAPREDUCE-7169) Speculative attempts should not run on the same node
[ https://issues.apache.org/jira/browse/MAPREDUCE-7169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bilwa S T updated MAPREDUCE-7169: - Attachment: MAPREDUCE-7169-001.patch > Speculative attempts should not run on the same node > > > Key: MAPREDUCE-7169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7169 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Components: yarn >Affects Versions: 2.7.2 >Reporter: Lee chen >Assignee: Bilwa S T >Priority: Major > Attachments: MAPREDUCE-7169-001.patch, > image-2018-12-03-09-54-07-859.png > > > I found in all versions of yarn, Speculative Execution may set the > speculative task to the node of original task.What i have read is only it > will try to have one more task attempt. haven't seen any place mentioning not > on same node.It is unreasonable.If the node have some problems lead to tasks > execution will be very slow. and then placement the speculative task to same > node cannot help the problematic task. > In our cluster （version 2.7.2，2700 nodes），this phenomenon appear > almost everyday. > !image-2018-12-03-09-54-07-859.png! -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org
[jira] [Updated] (MAPREDUCE-7169) Speculative attempts should not run on the same node
[ https://issues.apache.org/jira/browse/MAPREDUCE-7169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bilwa S T updated MAPREDUCE-7169: - Status: Patch Available (was: Open) > Speculative attempts should not run on the same node > > > Key: MAPREDUCE-7169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7169 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Components: yarn >Affects Versions: 2.7.2 >Reporter: Lee chen >Assignee: Bilwa S T >Priority: Major > Attachments: MAPREDUCE-7169-001.patch, > image-2018-12-03-09-54-07-859.png > > > I found in all versions of yarn, Speculative Execution may set the > speculative task to the node of original task.What i have read is only it > will try to have one more task attempt. haven't seen any place mentioning not > on same node.It is unreasonable.If the node have some problems lead to tasks > execution will be very slow. and then placement the speculative task to same > node cannot help the problematic task. > In our cluster （version 2.7.2，2700 nodes），this phenomenon appear > almost everyday. > !image-2018-12-03-09-54-07-859.png! -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org
