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[IMPALA-1570] DROP / COMPUTE incremental stats with dynamic partition specs
...COMPUTE INCREMENTAL STATS, and its counterpart DROP INCREMENTAL STATS can both take PARTITION ... clauses to specify the precise partition to act on. If a small set of partitions need updati...
, 2017-11-22, 07:06
[IMPALA-1575] Cancelled queries do not yield resources until close
...A cancelled query (for example due to a timeout) or a query that has reached eos (but not explicitly closed) holds (1) resources on the coordinator fragment, (2) all resources accounted by t...
, 2017-11-20, 17:53
Fwd: ASF Board Meeting Summary - November 15, 2017
- [mail # dev]
...See item D. below. Congratulations all!---------- Forwarded message ----------From: Phil Steitz Date: 15 November 2017 at 20:47Subject: ASF Board Meeting Summary - November 15, 2017To: [EMAI...
, 2017-11-16, 06:52
[IMPALA-4856] Port datastream portions of ImpalaInternalService to KRPC
, 2017-11-09, 23:11
[IMPALA-5528] tcmalloc contention much higher with concurrency after KRPC patch
...Our testing has revealed that under high concurrency (e.g. the many_independent_fragment_instances primitive), KRPC slows down execution significantly.This JIRA is to track the overall issue...
, 2017-11-07, 23:43
[IMPALA-3825] Distribute runtime filter aggregation across cluster
...Runtime filters can be tens of MB or more, and incasting all filters from all shuffle joins to the coordinator can put a lot of memory pressure on that node. To alleviate this we should cons...
, 2017-11-02, 20:38
[IMPALA-3804] Re-enable per-scan filtering for sequence-based scanners
...See IMPALA-3798 - we should properly fix the issue, rather than disabling per-scanner filtering for Avro etc. files....
, 2017-11-02, 16:41
[IMPALA-1788] Consider replacing constant exprs with literal equivalents
...Evaluating expressions that are the same for every row can be very expensive (note these numbers are taken from the debug build, so maybe this is not an issue in release?):(15:33:02@desktop)...
, 2017-10-30, 23:16
[IMPALA-743] Impala should use -l instead of -r with kinit
...(Re-opening from internal ticket)authentication.cc is setting renewable life and then sleeping for approximately that amount of time and then kinit-ing again. It would be better to set the l...
, 2017-10-30, 17:43
[IMPALA-3977] TransmitData() should not block.
...TransmitData() calls effectively block until an error occurs (e.g. datastream_sender_timeout_ms expires) or the RPC is serviced by the receiver.This is bad for a variety of reasons, not leas...
, 2017-10-30, 16:56
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