ZanderXu created HDFS-16692:
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Summary: Add detailed scope info in NotEnoughReplicas Reason logs.
Key: HDFS-16692
URL: https://issues.apache.org/jira/browse/HDFS-16692
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: ZanderXu
Assignee: ZanderXu
When we writing some ec data from client not in hdfs cluster, there are a large
number of INFO log output, as blew:
{code:shell}
2022-07-26 15:50:40,973 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=17}
2022-07-26 15:50:40,974 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=18}
2022-07-26 15:50:40,974 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=17}
2022-07-26 15:50:40,975 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=18}
2022-07-26 15:50:40,975 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=17}
2022-07-26 15:50:40,976 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=18}
2022-07-26 15:50:40,976 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=18}
2022-07-26 15:50:40,977 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=18}
2022-07-26 15:50:40,977 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=19}
2022-07-26 15:50:40,977 INFO blockmanagement.BlockPlacementPolicy
(BlockPlacementPolicyDefault.java:chooseRandom(912)) - Not enough replicas was
chosen. Reason: {NO_REQUIRED_STORAGE_TYPE=1, TOO_MANY_NODES_ON_RACK=3}
{code}
I feel that we should add detailed scope info in this log to show the scope
that we cannot select any good nodes from.
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