xxishu opened a new pull request, #5627:
URL: https://github.com/apache/hbase/pull/5627
According to semantics, when StoreFile Refresher is turned on, only the
area with replicas should be refreshed. **Tables with read-only attributes will
not be refreshed.**
There are the following scenarios: Assume that some tables in the database
have replica enabled, while others do not. If a table that does not have
replica enabled needs to perform migration tasks - first enable readonly and
then export the snapshot, StorefileRefresherChore will always refresh the table
that does not have replica enabled but performs migration tasks. This is
obviously illogical.
Therefore, StorefileRefresherChore needs to determine whether the region
has a read-only copy, and refresh it if it has a read-only copy. And tables
with read-only properties are not refreshed.
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