cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Marcus Eriksson (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-14011) Multi threaded L0 -> L1 compaction
Date Mon, 13 Nov 2017 15:34:01 GMT
Marcus Eriksson created CASSANDRA-14011:

             Summary: Multi threaded L0 -> L1 compaction
                 Key: CASSANDRA-14011
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Marcus Eriksson
             Fix For: 4.x

Currently L0 -> L1 compactions are almost always single threaded because every L0 sstable
will overlap with all L1 sstables. To improve this, we should range-split the input sstables
in a configurable amount of parts and then use multiple threads to write out the results.
This is similar to the {{max_subcompactions}} option in RocksDB:

This message was sent by Atlassian JIRA

To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message