busbey commented on a change in pull request #921: HBASE-22749: Distributed MOB compactions URL: https://github.com/apache/hbase/pull/921#discussion_r375506309
########## File path: hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java ########## @@ -169,6 +241,22 @@ protected boolean performCompaction(FileDetails fd, InternalScanner scanner, Cel long bytesWrittenProgressForCloseCheck = 0; long bytesWrittenProgressForLog = 0; long bytesWrittenProgressForShippedCall = 0; + // Clear old mob references + mobRefSet.get().clear(); + boolean isUserRequest = userRequest.get(); + boolean compactMOBs = major && isUserRequest; + boolean discardMobMiss = conf.getBoolean(MobConstants.MOB_UNSAFE_DISCARD_MISS_KEY, + MobConstants.DEFAULT_MOB_DISCARD_MISS); + if (discardMobMiss) { + LOG.warn("{}=true. This is unsafe setting recommended only"+ + " during upgrade process from MOB 1.0 to MOB 2.0 versions.", Review comment: Please don't refer to MOB version numbers, since they haven't been used consistently in the project. refer to the specific feature that necessitates using the key. e.g. "only when first upgrading to a version with the distributed mob compaction feature on a cluster that has experienced MOB data corruption." ---------------------------------------------------------------- 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: us...@infra.apache.org With regards, Apache Git Services