Pavel Yaskevich created CASSANDRA-10681:
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Summary: make index building pluggable via IndexBuildTask
Key: CASSANDRA-10681
URL: https://issues.apache.org/jira/browse/CASSANDRA-10681
Project: Cassandra
Issue Type: Sub-task
Reporter: Pavel Yaskevich
Assignee: Pavel Yaskevich
Priority: Minor
Fix For: 3.x
Currently index building assumes one and only way to build all of the indexes -
through SecondaryIndexBuilder - which merges all of the sstables together,
collates columns etc. Such works fine for built-in indexes but not for SASI
since it's attaches to every SSTable individually. We need a "IndexBuildTask"
interface (based on CompactionInfo.Holder) to be returned from Index on demand
to give power to SI interface implementers to decide how build should work.
This might be less effective for CassandraIndex, since this effectively means
that collation will have to be done multiple times on the same data, but
nevertheless is a good compromise for clean interface to outside world.
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