supratimdeka opened a new pull request #107: HDDS-2301. Write path: Reduce read contention in rocksDB. URL: https://github.com/apache/hadoop-ozone/pull/107 https://issues.apache.org/jira/browse/HDDS-2301 This change introduces 'mkdir -p' behaviour in these 2 OM Requests: 1. create directory and 2. create (file) The idea is to avoid iteration of the key table when creating new files with a path. Without the patch, during file create - checking the existence of each parent directory requires a slow DB iterator. With the patch, this check becomes a point lookup which can be accelerated by the bloom filters in RocksDB. This patch is a work-in-progress and the following functionality is broken: 1. interoperability with S3 2. ACLs (setting correct ACLs for the parent directories created in the path) 3. rename Soliciting early feedback.
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