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From Jeff Jirsa <jji...@gmail.com>
Subject Almost sorta weekly cassandra wrapup
Date Sat, 22 Apr 2017 00:41:07 GMT
Few things worth mentioning in the cassandra world this week:

1) If you somehow missed the cassandra-on-the-rocks(db) thread, you should
check it out:
https://lists.apache.org/thread.html/6860e04d6ff58fb0f65fdaa6e9b53aedf0d432a88bed32107e7ccec8@%3Cdev.cassandra.apache.org%3E
. FB/Instagram are proposing pluggable storage engines to make using
alternate backends (like RocksDB) possible/supported. This is common in
other databases (think MySQL with MyISAM+InnoDB), but is new to Cassandra.
If you have a strong opinion, you should reply to that thread.

2) There's a ticket on trying to be more clever with storage/replication
factors @ https://issues.apache.org/jira/browse/CASSANDRA-13442 , that's
probably interesting if you're storage-bound.

3) The diagnostic events ticket (
https://issues.apache.org/jira/browse/CASSANDRA-12944 ) has some
interesting tests added (
https://github.com/spodkowinski/cassandra/blob/WIP-12944/test/unit/org/apache/cassandra/examples/HintsServiceEventsExampleTest.java
). Maybe that's a month old, but it's an interesting concept.

Corentin asked for a reviewer in IRC for:
https://issues.apache.org/jira/browse/CASSANDRA-13432

And since he asked, I figured other people may want some reviews too.

Here are a few others that are PA and no reviewer:
https://issues.apache.org/jira/browse/CASSANDRA-13467 (backporting a
logging change from 3.6)
https://issues.apache.org/jira/browse/CASSANDRA-10968 (snapshotted
manifests are wrong)
https://issues.apache.org/jira/browse/CASSANDRA-13434 (rpm fixes)
https://issues.apache.org/jira/browse/CASSANDRA-13435 (rpm fixes)
https://issues.apache.org/jira/browse/CASSANDRA-13067 (using aws EFS will
fail on startup due to long overflow)

Less LHF'y, but potentially very important:
https://issues.apache.org/jira/browse/CASSANDRA-13262 (incorrect results
when including the same column in cql twice)
https://issues.apache.org/jira/browse/CASSANDRA-13425 (nodetool refresh
maintains levels)
https://issues.apache.org/jira/browse/CASSANDRA-12126 (CAS inconsistencies
on read - also includes a lot of CAS testing)
https://issues.apache.org/jira/browse/CASSANDRA-11995 (commitlog replay bug)
https://issues.apache.org/jira/browse/CASSANDRA-11521 (streaming for bulk
reads)


- Jeff

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