Kadir Ozdemir created PHOENIX-7426:
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Summary: Generating index mutations for immutable tables on the
server side
Key: PHOENIX-7426
URL: https://issues.apache.org/jira/browse/PHOENIX-7426
Project: Phoenix
Issue Type: Improvement
Reporter: Kadir Ozdemir
Index mutations for immutable tables are currently generated on the client
side. This was done to improve the performance of global indexes for immutable
tables as the consistency model, failure detection, and recovery were done
differently for mutable and immutable tables. However, after redesigning
global indexes, this performance optimization is not significant anymore as
these differences are not there anymore.
Having client vs server side indexes does not provide any benefit anymore but
this separation creates implementation challenges. Please also note that
immutability of a table in Phoenix is not enforced. In other words, one can
still overwrite a row of an immutable table.
This Jira is to unify the code for immutable and mutable indexes. Because of
the backward compatibility concern, we will keep the client side index
implementation but deprecate it. A new config will be introduced to enable
server side immutable indexes. By default, server side immutable indexes will
be disabled.
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