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Posted to yarn-dev@hadoop.apache.org by "zhihai xu (JIRA)" <ji...@apache.org> on 2015/07/20 23:12:05 UTC
[jira] [Created] (YARN-3943) Use separate threshold configurations
for disk-full detection and disk-not-full detection.
zhihai xu created YARN-3943:
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Summary: Use separate threshold configurations for disk-full detection and disk-not-full detection.
Key: YARN-3943
URL: https://issues.apache.org/jira/browse/YARN-3943
Project: Hadoop YARN
Issue Type: Improvement
Components: nodemanager
Reporter: zhihai xu
Assignee: zhihai xu
Use separate threshold configurations to check when disks become full and when disks become good. Currently the configuration "yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage" and "yarn.nodemanager.disk-health-checker.min-free-space-per-disk-mb" are used to check both when disks become full and when disks become good. It will be better to use two configurations: one is used when disks become full from not-full and the other one is used when disks become not-full from full. So we can avoid oscillating frequently.
For example: we can set the one for disk-full detection higher than the one for disk-not-full detection.
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