[YARN-8143] Improve log message when Capacity Scheduler request allocation on node

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: yarn
• Assignee: Zian Chen
• Reporter: Zian Chen
• Created: 11/Apr/18 00:41
• Updated: 11/Apr/18 03:06

Description

When scheduler request allocates container on the node with reserved containers on it, this log message will print very frequently which needs to be improved with more condition checks.

2018-02-02 11:41:13,105 INFO  capacity.CapacityScheduler (CapacityScheduler.java:tryCommit(2673)) - Allocation proposal accepted
2018-02-02 11:41:13,115 INFO  capacity.CapacityScheduler (CapacityScheduler.java:allocateContainerOnSingleNode(1391)) - Trying to fulfill reservation for application application_1517571510094_0003 on node: ctr-e137-1514896590304-52728-01-000007.hwx.site:25454
2018-02-02 11:41:13,115 INFO  allocator.AbstractContainerAllocator (AbstractContainerAllocator.java:getCSAssignmentFromAllocateResult(97)) - Reserved container  application=application_1517571510094_0003 resource=<memory:3072, vCores:1> queue=org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.allocator.RegularContainerAllocator@3f04848e cluster=<memory:18000, vCores:3>