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From "Jason J. W. Williams" <>
Subject Adding Materialized View triggers "Mutation Too Large" error.
Date Mon, 08 Aug 2016 22:52:50 GMT
HI Guys,

We're running Cassandra 3.0.8, and needed to add a field to a table and
it's materialized views. We dropped the MVs, added the fields to the
underlying table, and recreated MVs with the new fields. However, the MV
creation is failing with:

WARN  [CompactionExecutor:6933] 2016-08-08 22:48:11,075 - Materialized View failed to complete, sleeping 5
minutes before restarting
java.lang.IllegalArgumentException: Mutation of 17709054 bytes is too large
for the maximum size of 16777216

I'm considering bumping commitlog_segment_size_in_mb up to 64MB to get
around this, but it seems like the MV code should be smart enough to stay
under the limit.

Any advice is greatly appreciated.


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