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Fei Hui commented on HDFS-14852: -------------------------------- This problem occurs again! !screenshot-1.png! Should we move it forward? Thanks [~kihwal][~weichiu] [~ayushtkn] > Remove of LowRedundancyBlocks do NOT remove the block from all queues > --------------------------------------------------------------------- > > Key: HDFS-14852 > URL: https://issues.apache.org/jira/browse/HDFS-14852 > Project: Hadoop HDFS > Issue Type: Bug > Components: ec > Affects Versions: 3.2.0, 3.0.3, 3.1.2, 3.3.0 > Reporter: Fei Hui > Assignee: Fei Hui > Priority: Major > Attachments: CorruptBlocksMismatch.png, HDFS-14852.001.patch, > HDFS-14852.002.patch, HDFS-14852.003.patch, HDFS-14852.004.patch, > screenshot-1.png > > > LowRedundancyBlocks.java > {code:java} > // Some comments here > if(priLevel >= 0 && priLevel < LEVEL > && priorityQueues.get(priLevel).remove(block)) { > NameNode.blockStateChangeLog.debug( > "BLOCK* NameSystem.LowRedundancyBlock.remove: Removing block {}" > + " from priority queue {}", > block, priLevel); > decrementBlockStat(block, priLevel, oldExpectedReplicas); > return true; > } else { > // Try to remove the block from all queues if the block was > // not found in the queue for the given priority level. > for (int i = 0; i < LEVEL; i++) { > if (i != priLevel && priorityQueues.get(i).remove(block)) { > NameNode.blockStateChangeLog.debug( > "BLOCK* NameSystem.LowRedundancyBlock.remove: Removing block" + > " {} from priority queue {}", block, i); > decrementBlockStat(block, i, oldExpectedReplicas); > return true; > } > } > } > return false; > } > {code} > Source code is above, the comments as follow > {quote} > // Try to remove the block from all queues if the block was > // not found in the queue for the given priority level. > {quote} > The function "remove" does NOT remove the block from all queues. > Function add from LowRedundancyBlocks.java is used on some places and maybe > one block in two or more queues. > We found that corrupt blocks mismatch corrupt files on NN web UI. Maybe it is > related to this. > Upload initial patch -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org