Apache9 commented on issue #934: HBASE-23568: Improve Threading of Replication URL: https://github.com/apache/hbase/pull/934#issuecomment-581207646 > I'm not looking for a performance improvement, just that we don't degrade or further beat up HDFS. > > In deployments that have high number of peers (e.g. when using the lily indexer with a bunch of solr collections) even the current replication system does a number on system stability. This is not the purpose of the patch here? I think the patch here is only a refactoring. The current solution of replication uses different wal readers for different peers, I think this is the problem that causes heavy read pressure on HDFS. This is another problem...
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