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Dikang Gu commented on CASSANDRA-14118:
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[~bdeggleston], on the local write path, the memtable/sstables are hidden
inside the CassandraWriteHandler.apply(...) already. Only the CommitLogPosition
is passed as a parameter in the apply signature:
{quote}void apply(PartitionUpdate update, UpdateTransaction indexer,
OpOrder.Group opGroup, CommitLogPosition commitLogPosition)
{quote}
I think storage engine implementation can use the commitLogPosition if it
needs, or ignore the commitLogPosition if it doesn't. What do you think?
> Refactor write path
> -------------------
>
> Key: CASSANDRA-14118
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14118
> Project: Cassandra
> Issue Type: Sub-task
> Components: Core
> Reporter: Dikang Gu
> Assignee: Dikang Gu
> Priority: Major
>
> As part of the pluggable storage engine effort, we'd like to modularize the
> write path related code, make it to be independent from existing storage
> engine implementation details.
> For now, refer to
> https://docs.google.com/document/d/1suZlvhzgB6NIyBNpM9nxoHxz_Ri7qAm-UEO8v8AIFsc
> for high level designs.
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