langlaile1221 opened a new pull request #2916: URL: https://github.com/apache/hadoop/pull/2916
When the block report satisfies the block distribution strategy, the block is removed from the lowredundancyBlocks. But removing the block from the lowredundancyBlocks is a redundant operation. First, in the patch queue, the block removal operation will be performed in the method chooseSourceDatanodes and validateReconstructionWork. second, the removal of the block report will only be at the QUEUE_REPLICAS_BADLY_DISTRIBUTED level, which is not an accurate operation. Finally, when there is a large amount of data in the QUEUE_REPLICAS_BADLY_DISTRIBUTED queue, the processing efficiency of the block report will be reduced -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
