Stefan Miklosovic created CASSANDRA-21642:
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Summary: Consider the introduction of flush_compression CQL table
parameter
Key: CASSANDRA-21642
URL: https://issues.apache.org/jira/browse/CASSANDRA-21642
Project: Apache Cassandra
Issue Type: New Feature
Components: Feature/Compression
Reporter: Stefan Miklosovic
Assignee: Stefan Miklosovic
In CASSANDRA-15379 we have introduced {{flush_compression}} configuration
parameter into cassandra.yaml by which an operator can say what compression
should be used upon flushing.
While this is indeed a valuable contribution, currently it is not possible to
say that a particular table can be flushed with its table compressor while all
the rest of table can be flushed with fast / none. In other words, the current
solution is global, applied to all tables, we can not be granular.
The proposal is about the introduction of a CQL table parameter,
{{flush_compression}} with values: auto, none, fast, table.
{{auto}} means that it will fallback to cassandra.yaml values.
Example:
{code}
CREATE TABLE ks.tb WITH flush_compression = 'table' and compression = {'class':
'ZstdCompressor' }
{code}
This means that table will be flushed with ZstdCompressor.
{code}
CREATE TABLE ks.tb WITH flush_compression = 'auto' and compression = {'class':
'ZstdCompressor' }
{code}
This means that table will be flushed with whatever is in cassandra.yaml
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