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[IMPALA-5202] Debug action WAIT in PREPARE leads to hung query that cannot be cancelled.
...I believe recent changes to coordination and distributed execution have broken the WAIT debug action when called in some phases, e.g. PREPARE.The following repro leads to a hung query that c...
, 2018-06-19, 17:59
[IMPALA-2729] Support default values for DECIMAL in Avro.
...Impala may fail to scan Avro files of a table that has default values specified on DECIMAL columns.The following criteria must be met for hitting this bug:1. The Impala table was created fro...
, 2018-06-19, 17:49
[IMPALA-3841] Avoid materializing nested collections if top-level predicates already disqualify the row.
...Today, we fully materialize a row before evaluating the top-level conjuncts when scanning Parquet. This includes materializing nested collections. We should avoid materializing nested collec...
, 2018-06-19, 17:47
[IMPALA-4128] Unusual test setup in promise-test prevents logging into logs/be_tests
...In IMPALA-4091 many BE tests were fixed to log into the intended directory logs/be_tests. However, a similar fix did not work for promise-test because changing the test setup caused the test...
, 2018-06-11, 21:47
[IMPALA-2879] Jenkins job compute-stats-10node-cdh5 needs to be more robust.
...There are several problems with the following job (and the secure one):http://sandbox.jenkins.cloudera.com/view/Impala/view/Cluster%20Runs/view/10-node-cdh5/job/compute-stats-10node-cdh5/The...
, 2018-06-11, 19:49
[IMPALA-3491] Reduce number of serial tests with unique database fixture
...We have a significant number of tests that have to run serial due to shared state among parallel tests/dimensions, most prominently transient test databases and tables.Michael B recently int...
, 2018-06-11, 19:47
[IMPALA-653] Add basic filtering to SHOW STATS command.
...Enhance SHOW TABLE STATS with the capability to filter on partitions.Enhance SHOW COLUMN STATS with the capability to filter on columns....
, 2018-06-11, 16:49
[IMPALA-5990] End-to-end compression of metadata
...The metadata of large tables can become quite big making it costly to hold in the statestore and disseminate to coordinator impalads. The metadata can even get so big that fundamental limits...
, 2018-06-08, 18:51
[IMPALA-3905] Single-threaded scan node
...Since we will multi-thread query execution at the fragment level, we should rework our scan nodes and scanners to only use a single thread (the one that's executing the fragment)....
, 2018-06-07, 17:12
[IMPALA-1995] Flaky test: PlannerTest.testHbase: splits for HBASE KEYRANGE not set up correctly.
...Looks like testdata/bin/split-hbase.sh does not always set up the ranges in the way we want. See failure below.Example run:http://sandbox.jenkins.cloudera.com/job/impala-master-cdh5-trunk/10...
, 2018-06-05, 21:51
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