Anoop Sam John created HBASE-10434:
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Summary: Store Tag compression information for a WAL in its header
Key: HBASE-10434
URL: https://issues.apache.org/jira/browse/HBASE-10434
Project: HBase
Issue Type: Bug
Affects Versions: 0.98.0
Reporter: Anoop Sam John
Assignee: Anoop Sam John
Fix For: 0.98.0, 0.99.0
We can enable/disable tag compression along with WAL compression using the
config,
hbase.regionserver.wal.tags.enablecompression -> Defaults to true so that
compress tags when WAL compress is ON.
We are not storing this info abt whether a WAL containing compressed tags or
not in the WAL header and use that in the read path. So dynamic change of this
in some servers may cause issue when an RS having this value as true have to
read and split a WAL generated from n RS where this value was false.
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