Displaying #cassandra-dev/2017-03-01.log:

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Wed Mar 1 06:53:18 2017  r005t3r:I know this "Cassandra also does not delete in place because the SSTable is immutable. Instead, Cassandra marks data to be deleted using a tombstone"
Wed Mar 1 06:53:37 2017  r005t3r:But what if data is in memtable which is mutable.
Wed Mar 1 06:53:55 2017  r005t3r:would data be deleted in place for this?
Wed Mar 1 06:54:16 2017  r005t3r:or marked as tombstone nonetheless?
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Wed Mar 1 08:41:34 2017  r005t3r:I know this "Cassandra also does not delete in place because the SSTable is immutable. Instead, Cassandra marks data to be deleted using a tombston". But what if data is in memtable which is mutable. would data be deleted in place for this or marked as tombstone nonetheless?
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Wed Mar 1 12:52:11 2017  iamaleksey:r00st3r: it would be replaced with a tombstone in the memtable; can't just remove it in place
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Wed Mar 1 17:53:12 2017  JayZhuang:Hello Cassandra developers, could someone please review 2 BTree related improvements? any feedback would be appreciated: CASSANDRA-9988 CASSANDRA-9989
Wed Mar 1 17:53:13 2017  CassBotJr:https://issues.apache.org/jira/browse/CASSANDRA-9988 (Patch Available; Unresolved; 4.0): "Introduce leaf-only iterator"
Wed Mar 1 17:53:13 2017  CassBotJr:https://issues.apache.org/jira/browse/CASSANDRA-9989 (Patch Available; Unresolved; 4.x): "Optimise BTree.Buider"
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Wed Mar 1 23:37:40 2017  jeffj:is there a trivial way with ccm to upgrade versions on the fly? i know how to set it during create, but is there an alter equivalent?
Wed Mar 1 23:38:30 2017  driftx:I'll bet ptnapoleon or exlt knows
Wed Mar 1 23:38:57 2017  driftx:I believe we have an upgrade_throught_versions dtest somewhere, and it uses ccm
Wed Mar 1 23:41:39 2017  exlt:I believe the upgrade tests set a new install directory and use the same data directory from previous version
Wed Mar 1 23:46:27 2017  exlt:yep, looks like this is how it's done - https://github.com/riptano/cassandra-dtest/blob/master/upgrade_tests/upgrade_through_versions_test.py#L425-L433
Wed Mar 1 23:49:08 2017  exlt:`ccm setdir -h` looks like the cli way
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Wed Mar 1 23:52:47 2017  jeffj:thanks exlt

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