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[CASSANDRA-15369] Fake row deletions and range tombstones, causing digest mismatch and sstable growth - Cassandra - [issue]
...As assessed in CASSANDRA-15363, we generate fake row deletions and fake tombstone markers under various circumstances: If we perform a clustering key query (or select a compact column): Serv...
http://issues.apache.org/jira/browse/CASSANDRA-15369    Author: Benedict Elliott Smith , 2020-05-30, 09:25
[expand - 2 more] - [DISCUSS] CASSANDRA-13994 - Cassandra - [mail # dev]
...I'm being told this still isn't clear, so let me try in a bullet-point timeline:* 4.0 Beta* 4.0 Verification Work* [Merge Window]* 4.0 GA* 4.0 Minor Releases * ...* 5.0 Dev* ...* 5.0 Verific...
   Author: Benedict Elliott Smith , 2020-05-27, 18:31
[CASSANDRA-14802] calculatePendingRanges assigns more pending ranges than necessary - Cassandra - [issue]
...This might be a good thing, but should probably be configurable, and made consistent.  Presently, in a number of circumstances where there are multiple range movements, calculatePending...
http://issues.apache.org/jira/browse/CASSANDRA-14802    Author: Benedict Elliott Smith , 2020-05-15, 13:48
[CASSANDRA-15213] DecayingEstimatedHistogramReservoir Inefficiencies - Cassandra - [issue]
...LongAdder introduced to trunk consumes 9MiB of heap without user schemas, and this will grow significantly under contention and user schemas with many tables.  This is because LongAdder is a...
http://issues.apache.org/jira/browse/CASSANDRA-15213    Author: Benedict Elliott Smith , 2020-05-15, 08:55
[CASSANDRA-14775] StreamingTombstoneHistogramBuilder overflows if > 2B in a single bucket/sstable - Cassandra - [issue]
...This may be unlikely, but is certainly not impossible.  In this event, the count for the bucket will be reset to zero, and the time distorted to 1s in the future.  If MAX_DELETION_...
http://issues.apache.org/jira/browse/CASSANDRA-14775    Author: Benedict Elliott Smith , 2020-05-15, 08:54
[CASSANDRA-14740] BlockingReadRepair does not maintain monotonicity during range movements - Cassandra - [issue]
...The BlockingReadRepair code introduced by CASSANDRA-10726 requires that each of the queried nodes are written to, but pending nodes are not considered.  If there is a pending range movement,...
http://issues.apache.org/jira/browse/CASSANDRA-14740    Author: Benedict Elliott Smith , 2020-05-15, 08:54
[CASSANDRA-15216] Cross node message creation times are disabled by default - Cassandra - [issue]
...This can cause a lot of wasted work for messages that have timed out on the coordinator.  We should generally assume that our users have setup NTP on their clusters, and that clocks are...
http://issues.apache.org/jira/browse/CASSANDRA-15216    Author: Benedict Elliott Smith , 2020-05-15, 08:54
[CASSANDRA-15367] Memtable memory allocations may deadlock - Cassandra - [issue]
...Under heavy contention, we guard modifications to a partition with a mutex, for the lifetime of the memtable. Memtables block for the completion of all OpOrder.Group started before their flu...
http://issues.apache.org/jira/browse/CASSANDRA-15367    Author: Benedict Elliott Smith , 2020-05-15, 08:41
[CASSANDRA-15368] Failing to flush Memtable without terminating process results in permanent data loss - Cassandra - [issue]
...Memtable do not contain records that cover a precise contiguous range of ReplayPosition, since there are only weak ordering constraints when rolling over to a new Memtable - the last operati...
http://issues.apache.org/jira/browse/CASSANDRA-15368    Author: Benedict Elliott Smith , 2020-05-15, 08:39
[CASSANDRA-15227] Remove StageManager - Cassandra - [issue]
...his is a minor cleanup; this class should not exist, but should be embedded in the Stage enum....
http://issues.apache.org/jira/browse/CASSANDRA-15227    Author: Benedict Elliott Smith , 2020-05-15, 08:39