[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Miklos Szegedi updated YARN-5764: - Fix Version/s: 3.2.0 3.1.0 > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K >Priority: Major > Fix For: 3.1.0, 3.2.0 > > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v10.patch, > YARN-5764-v11.patch, YARN-5764-v2.patch, YARN-5764-v3.patch, > YARN-5764-v4.patch, YARN-5764-v5.patch, YARN-5764-v6.patch, > YARN-5764-v7.patch, YARN-5764-v8.patch, YARN-5764-v9.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v11.patch > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K >Priority: Major > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v10.patch, > YARN-5764-v11.patch, YARN-5764-v2.patch, YARN-5764-v3.patch, > YARN-5764-v4.patch, YARN-5764-v5.patch, YARN-5764-v6.patch, > YARN-5764-v7.patch, YARN-5764-v8.patch, YARN-5764-v9.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v10.patch > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K >Priority: Major > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v10.patch, > YARN-5764-v2.patch, YARN-5764-v3.patch, YARN-5764-v4.patch, > YARN-5764-v5.patch, YARN-5764-v6.patch, YARN-5764-v7.patch, > YARN-5764-v8.patch, YARN-5764-v9.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v9.patch > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K >Priority: Major > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v2.patch, > YARN-5764-v3.patch, YARN-5764-v4.patch, YARN-5764-v5.patch, > YARN-5764-v6.patch, YARN-5764-v7.patch, YARN-5764-v8.patch, YARN-5764-v9.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v8.patch > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K >Priority: Major > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v2.patch, > YARN-5764-v3.patch, YARN-5764-v4.patch, YARN-5764-v5.patch, > YARN-5764-v6.patch, YARN-5764-v7.patch, YARN-5764-v8.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v7.patch > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K >Priority: Major > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v2.patch, > YARN-5764-v3.patch, YARN-5764-v4.patch, YARN-5764-v5.patch, > YARN-5764-v6.patch, YARN-5764-v7.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v6.patch > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K >Priority: Major > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v2.patch, > YARN-5764-v3.patch, YARN-5764-v4.patch, YARN-5764-v5.patch, YARN-5764-v6.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v5.patch > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v2.patch, > YARN-5764-v3.patch, YARN-5764-v4.patch, YARN-5764-v5.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v4.patch Updated the patch to use ResourceHandlerModule API's. > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v2.patch, > YARN-5764-v3.patch, YARN-5764-v4.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v3.patch > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v2.patch, > YARN-5764-v3.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v2.patch Updating the patch with the 'interleave' option for memory. > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v2.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.3.15#6346) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: NUMA Performance Results.pdf > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K > Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance > Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.3.15#6346) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v1.patch > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K > Attachments: NUMA Awareness for YARN Containers.pdf, > YARN-5764-v0.patch, YARN-5764-v1.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: YARN-5764-v0.patch Attaching the patch for this. > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K > Attachments: NUMA Awareness for YARN Containers.pdf, > YARN-5764-v0.patch > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Attachment: NUMA Awareness for YARN Containers.pdf Please find the attached proposal document and provide your feedback/suggestions. I will upload a patch soon with this approach for better understanding. > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K > Attachments: NUMA Awareness for YARN Containers.pdf > > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Environment: (was: SW: CentOS 6.7, Hadoop 2.6.0 Processors: Intel Xeon CPU E5-2699 v4 @2.20GHz Memory: 256GB 4 NUMA nodes) > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Reporter: Olasoji >Assignee: Devaraj K > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Affects Version/s: (was: 2.6.0) > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn > Environment: SW: CentOS 6.7, Hadoop 2.6.0 > Processors: Intel Xeon CPU E5-2699 v4 @2.20GHz > Memory: 256GB 4 NUMA nodes >Reporter: Olasoji > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-5764) NUMA awareness support for launching containers
[ https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated YARN-5764: Fix Version/s: (was: 2.6.0) > NUMA awareness support for launching containers > --- > > Key: YARN-5764 > URL: https://issues.apache.org/jira/browse/YARN-5764 > Project: Hadoop YARN > Issue Type: New Feature > Components: nodemanager, yarn >Affects Versions: 2.6.0 > Environment: SW: CentOS 6.7, Hadoop 2.6.0 > Processors: Intel Xeon CPU E5-2699 v4 @2.20GHz > Memory: 256GB 4 NUMA nodes >Reporter: Olasoji > > The purpose of this feature is to improve Hadoop performance by minimizing > costly remote memory accesses on non SMP systems. Yarn containers, on launch, > will be pinned to a specific NUMA node and all subsequent memory allocations > will be served by the same node, reducing remote memory accesses. The current > default behavior is to spread memory across all NUMA nodes. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org