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[IMPALA-7096] Ensure no memory limit exceeded regressions from IMPALA-4835 because of non-reserved memory
...IMPALA-7078 showed some cases where non-buffer memory could accumulate in the row batch queue and cause memory consumption problems.The decision for whether to spin up a scanner thread in IM...
, 2018-07-18, 00:55
[IMPALA-7312] Non-blocking mode for Fetch() RPC
...Currently Fetch() can block for an arbitrary amount of time until a batch of rows is produced. It might be helpful to have a mode where it returns quickly when there is no data available, th...
, 2018-07-17, 22:50
[IMPALA-3652] Fix resource transfer in subplans with limits
...There is a tricky corner case in our resource transfer model with subplans and limits. The problem is that the limit in the subplan may mean that the exec node is reset before it has returne...
, 2018-07-17, 18:10
[IMPALA-7122] Data load failure: Failed to replace a bad datanode on the existing pipeline due to no more good datanodes being available to try
...20:58:29 Started Loading functional-query data in background; pid 6813.20:58:29 Loading functional-query data (logging to /data/jenkins/workspace/impala-asf-master-core-data-load/repos/Impal...
, 2018-07-17, 16:57
[IMPALA-7305] membership entry for failed impalad gets stuck in statestore due to race between failure detection and update processing
...I was able to reproduce this bug on a version of Impala pre-IMPALA-4953 with the attached patch that adds a sleep. The patch is a hack and only works on my system (it has a name hardcoded). ...
, 2018-07-16, 21:47
[IMPALA-7306] Add regression test for IMPALA-7305
...IMPALA-7305 got fixed as part of another change, but we should make sure that we add a regression test. I think this should be possible if the subscriber blocks processing a topic update in ...
, 2018-07-16, 21:41
[IMPALA-7136] Set a default THREAD_RESERVATION_AGGREGATE_LIMIT value
...Similar to IMPALA-7115, we should consider setting a default value for this option that will reject queries that are likely to be problematic because of scalability concerns. The aggregate t...
, 2018-07-15, 23:37
[IMPALA-7297] Reject reservation increase if it would exceed soft limit
...Currently the MemTracker only has a hard limit, which is applied to any memory increase. One problem we have with the interaction between reserved and non-reserved memory is that the reserve...
, 2018-07-13, 17:51
[IMPALA-7296] Soft limit for memory queue in scan node row batch queue
...I'm splitting this out from IMPALA-7096.It would be good to have some kind of soft limit for the amount of memory that can be queued in the scan node's row batch queue. This would make it ea...
, 2018-07-13, 17:35
[IMPALA-7259] impala-shell is weirdly slow with some large queries
...impala-shell is very slow at processing some large queries - it takes over a minute to actually submit the query. I've attached an example....
, 2018-07-13, 16:33
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