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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2019/08/21 03:43:09 UTC
[GitHub] [hadoop] supratimdeka opened a new pull request #1323: HDDS-1094.
Performance test infrastructure : skip writing user data on Datanode.
Contributed by Supratim Deka
supratimdeka opened a new pull request #1323: HDDS-1094. Performance test infrastructure : skip writing user data on Datanode. Contributed by Supratim Deka
URL: https://github.com/apache/hadoop/pull/1323
https://issues.apache.org/jira/browse/HDDS-1094
Added an alternate ChunkManager implementation which drops all chunk writes without writing to disk. Chunk Reads are cooked up zero-filled buffers.
The goal of this infrastructure is to enable high-throughput tests and stress the pipeline (including the Ozone metadata components) without using faster storage devices like flash drives.
Added an extension to TestDataValidate (with the RandomKeyGenerator) to test the alternate ChunkManager.
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