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[IMPALA-5718] Extend Kudu scan node counters to report bytes read
...While running Kudu scan queries it is difficult to reason about the query runtime without knowing the total bytes by the scan node. Similar to HDFS scan node it would be helpful to include t...
, 2017-07-25, 04:02
[IMPALA-5275] Avoid printing Status stack trace on hot paths
...Summary from Matthew Jacobs:There are 3 known issues to fix ASAP:1) In ImpalaServer::GetExecSummary(), do not create Status() while holding the lock.2) Change error status in impala::Deseria...
, 2017-07-24, 19:09
[IMPALA-5158] Account for difference between process memory consumption and memory used by queries
...There is discrepancy between process wide memory usage and memory used by the query, in the example below the query is using 26.54 GB while the process is reporting 11.63 GB. We should make ...
, 2017-07-20, 18:43
[IMPALA-3079] Fix Sequence file writer (crashes or produces invalid files)
...Stack#0 0x0000003f38832625 in raise () from /lib64/libc.so.6#1 0x0000003f38833e05 in abort () from /lib64/libc.so.6#2 0x00007f956d814c55 in os::abort(bool) () from /opt/too...
, 2017-07-20, 18:33
[IMPALA-5673] Track exchange node buffers memory as part of memory reservation
...Queries with a large number of exchange operators end up with untracked memory in the form of buffer space allocated per DataStreamRecvr.exchg_node_buffer_size_bytes can be used to calculate...
, 2017-07-17, 22:21
[IMPALA-5672] Queries occasionally fail with GSSException: No valid credentials provided
...While running 32 concurrent shuffle only queries on 4 rack cluster running KRPC some queries started failing with the errors below, same test ran fine while using CDH5-trunk.Queries against ...
, 2017-07-17, 21:11
[IMPALA-4039] Increase width of Operator column in query summary to match the widest entry
...The summary from impala-shell has the correct column width but the debug page and query profile as it wrong. Printed summaryOperator &...
, 2017-07-11, 04:42
[IMPALA-5402] Changing the log level on the Catalog doesn't work as expected
...Warning messages like the one below still get printed to the log even after setting log level for org.* to OFFW0531 13:40:32.352599 100341 RetryInvocationHandler.java:126] Exception while in...
, 2017-07-08, 23:48
[IMPALA-5387] Excessive logging to INFO and ERROR files when reading S3 data
...While querying data in S3 the impalad.ERROR file is flooded with the messages like the one below, are those expected?UnsupportedOperationException: Byte-buffer read unsupported by input stre...
, 2017-07-08, 23:48
[IMPALA-4474] Breakpad causes core dump when creating minidump when resources are limited
...When Impala hits resource limits as in maximum number of open files or threads and triggers a minidump Breakpad ends up causing a minidump and crashing as well(no debugging symbols found)......
, 2017-07-08, 02:30
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