István Fajth created HDDS-5998:
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Summary: EC: Enhance EC replication config parsing from string and
enable validation of it
Key: HDDS-5998
URL: https://issues.apache.org/jira/browse/HDDS-5998
Project: Apache Ozone
Issue Type: Sub-task
Reporter: István Fajth
Assignee: István Fajth
Currently ReplicationConfigValidator does not validate EC related configuration
properly, as ECReplicationConfig is missing the toString method required by the
validator.
Also at the moment ECReplicationConfig's String based constructor does enable
weird configs like 2 data and 6 parity blocks with a chunk size of 177.
I think we should be and can be more prescriptive, and allow only the supported
configs in EcReplicationConfig, with the supported data-parity pairs, and chunk
size divisible by 1KiB, and maximize it at 1024KiB, which in a 10-4 setup
already means 14MB buffered data on the client side. These might be adjusted at
will, or later if we think it is better to have bigger sizes, but I think
initially these are good boundaries.
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