Mostafa Mokhtar created IMPALA-6263:
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Summary: Assert hit during service restart Mutex.cpp:130:
apache::thrift::concurrency::Mutex::impl::~impl(): Assertion `ret == 0' failed
Key: IMPALA-6263
URL:
Mostafa Mokhtar created IMPALA-6238:
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Summary: Add source and destination hosts to
TErrorCode::DATASTREAM_SENDER_TIMEOUT
Key: IMPALA-6238
URL: https://issues.apache.org/jira/browse/IMPALA-6238
Mostafa Mokhtar created IMPALA-6347:
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Summary: Monitor queue depth size for outgoing RPCs for Reactor
threads
Key: IMPALA-6347
URL: https://issues.apache.org/jira/browse/IMPALA-6347
Project: IMPALA
Mostafa Mokhtar created IMPALA-6218:
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Summary: Crash due to memory allocation failure on secure cluster
Key: IMPALA-6218
URL: https://issues.apache.org/jira/browse/IMPALA-6218
Project: IMPALA
Mostafa Mokhtar created IMPALA-6294:
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Summary: Concurrent hung with lots of fragments and spilling make
slow progress due to blocking in DataStreamRecvr and DataStreamSender
Key: IMPALA-6294
URL:
Mostafa Mokhtar created IMPALA-6285:
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Summary: Avoid printing the stack as part of DoTransmitDataRpc as
it leads to burning lots of kernel CPU
Key: IMPALA-6285
URL:
Mostafa Mokhtar created IMPALA-7020:
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Summary: Order by expressions in Analytical functions are not
materialized causing severe slow down
Key: IMPALA-7020
URL: https://issues.apache.org/jira/browse/IMPALA-7020
Mostafa Mokhtar created IMPALA-7015:
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Summary: Insert into Kudu table returns with Status OK even if
there are Kudu errors
Key: IMPALA-7015
URL: https://issues.apache.org/jira/browse/IMPALA-7015
Mostafa Mokhtar created IMPALA-7037:
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Summary: Create table if not exists "foo" loads metadata for the
table
Key: IMPALA-7037
URL: https://issues.apache.org/jira/browse/IMPALA-7037
Project: IMPALA
Mostafa Mokhtar created IMPALA-7172:
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Summary: Statestore should verify that all subscribers are running
the same version of Impala
Key: IMPALA-7172
URL: https://issues.apache.org/jira/browse/IMPALA-7172
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Mostafa Mokhtar resolved IMPALA-2937.
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Resolution: Fixed
Fix Version/s: Impala 2.12.0
> Introduce sampled statistics
>
Mostafa Mokhtar created IMPALA-6354:
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Summary: Consider using Guava LoadingCache to cache metadata
objects opposed to a ConcurrentHashMap
Key: IMPALA-6354
URL: https://issues.apache.org/jira/browse/IMPALA-6354
Mostafa Mokhtar created IMPALA-6425:
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Summary: Change Mempool memory allocation size to be <1MB to avoid
allocating from CentralFreeList
Key: IMPALA-6425
URL: https://issues.apache.org/jira/browse/IMPALA-6425
Mostafa Mokhtar created IMPALA-6406:
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Summary: Consider partitioning metastoreDdlLock_ by database
Key: IMPALA-6406
URL: https://issues.apache.org/jira/browse/IMPALA-6406
Project: IMPALA
Mostafa Mokhtar created IMPALA-6396:
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Summary: KrpcDataStreamRecvr should correctly report peak memory
in query profile and summary
Key: IMPALA-6396
URL: https://issues.apache.org/jira/browse/IMPALA-6396
Mostafa Mokhtar created IMPALA-6359:
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Summary: Blocking in Service threads due to tcmalloc contention
due to memory allocations for RowBatch::Deserialize
Key: IMPALA-6359
URL:
Mostafa Mokhtar created IMPALA-6364:
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Summary: Lock contention in FileHandleCache results in >2x
slowdown for remote HDFS reads
Key: IMPALA-6364
URL: https://issues.apache.org/jira/browse/IMPALA-6364
Mostafa Mokhtar created IMPALA-6652:
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Summary: KRPC : Data Stream Manager Deferred RPCs in memz page
isn't correct
Key: IMPALA-6652
URL: https://issues.apache.org/jira/browse/IMPALA-6652
Project:
Mostafa Mokhtar created IMPALA-6683:
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Summary: Restarting the Catalog without restarting Impalad and SS
can block topic updates
Key: IMPALA-6683
URL: https://issues.apache.org/jira/browse/IMPALA-6683
Mostafa Mokhtar created IMPALA-6684:
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Summary: Large payload going through exchange results in lots of
untracked memory in the form of a string
Key: IMPALA-6684
URL:
Mostafa Mokhtar created IMPALA-6671:
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Summary: Metadata operations that modify a table blocks topic
updates for other unrelated operations
Key: IMPALA-6671
URL: https://issues.apache.org/jira/browse/IMPALA-6671
Mostafa Mokhtar created IMPALA-6657:
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Summary: Investigate why memory allocation in Exchange receiver
node takes a long time
Key: IMPALA-6657
URL: https://issues.apache.org/jira/browse/IMPALA-6657
Mostafa Mokhtar created IMPALA-6892:
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Summary: CheckHashAndDecrypt doesn't report disk and host where
the verification failed
Key: IMPALA-6892
URL: https://issues.apache.org/jira/browse/IMPALA-6892
Mostafa Mokhtar created IMPALA-6746:
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Summary: Reduce the number of comparison for analytical functions
with partitioning when incoming data is clustered
Key: IMPALA-6746
URL:
Mostafa Mokhtar created IMPALA-6785:
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Summary: Staring an Impalad on an already running cluster may
result in inconsistent cluster subscription
Key: IMPALA-6785
URL:
Mostafa Mokhtar created IMPALA-6786:
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Summary: List of backends doesn't get updated for dedicated
coordinators
Key: IMPALA-6786
URL: https://issues.apache.org/jira/browse/IMPALA-6786
Project:
Mostafa Mokhtar created IMPALA-6770:
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Summary: Catalog service should retry connecting to Sentry similar
to HMS
Key: IMPALA-6770
URL: https://issues.apache.org/jira/browse/IMPALA-6770
Project:
Mostafa Mokhtar created IMPALA-6792:
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Summary: Appears to be a memory leak in orphaned fragments
Key: IMPALA-6792
URL: https://issues.apache.org/jira/browse/IMPALA-6792
Project: IMPALA
Mostafa Mokhtar created IMPALA-6744:
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Summary: Inline codegend_compare_fn_ to avoid per row memory loads
and function call
Key: IMPALA-6744
URL: https://issues.apache.org/jira/browse/IMPALA-6744
Mostafa Mokhtar created IMPALA-6692:
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Summary: When partition exchange is followed by sort each sort
node becomes a synchronization point across the cluster
Key: IMPALA-6692
URL:
Mostafa Mokhtar created IMPALA-7221:
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Summary: While reading from object store S3/ADLS at fast rates
+500MB/sec TypeArrayKlass::allocate_common becomes a CPU bottleneck
Key: IMPALA-7221
URL:
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https://issues.apache.org/jira/browse/IMPALA-2712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar resolved IMPALA-2712.
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Resolution: Won't Fix
> Investigate increasing batch size
>
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Mostafa Mokhtar resolved IMPALA-6657.
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Resolution: Fixed
Turns out tcmalloc is reason, issue fixe in 2.12
> Investigate why
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https://issues.apache.org/jira/browse/IMPALA-2682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar resolved IMPALA-2682.
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Resolution: Fixed
Fixed in 2.13
> Address exchange operator CPU bottlenecks in Thrift
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https://issues.apache.org/jira/browse/IMPALA-6897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16470688#comment-16470688
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Mostafa Mokhtar commented on IMPALA-6897:
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The Catalog has a section for Top tables in terms of
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https://issues.apache.org/jira/browse/IMPALA-7020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar reassigned IMPALA-7020:
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Assignee: Alexander Behm
> Order by expressions in Analytical functions are not
Mostafa Mokhtar created IMPALA-7021:
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Summary: Impala query fails with BlockMissingException while HDFS
throws SSLHandshakeException
Key: IMPALA-7021
URL: https://issues.apache.org/jira/browse/IMPALA-7021
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https://issues.apache.org/jira/browse/IMPALA-7015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16472302#comment-16472302
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Mostafa Mokhtar commented on IMPALA-7015:
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[~tmarsh] FYI
> Insert into Kudu table returns with
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https://issues.apache.org/jira/browse/IMPALA-6311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16486665#comment-16486665
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Mostafa Mokhtar commented on IMPALA-6311:
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[~jbapple]
Yes, 75% FPP for a bloom filter is way
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https://issues.apache.org/jira/browse/IMPALA-6311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16485741#comment-16485741
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Mostafa Mokhtar commented on IMPALA-6311:
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Actually I was thinking of reducing the default
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https://issues.apache.org/jira/browse/IMPALA-7096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16510283#comment-16510283
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Mostafa Mokhtar commented on IMPALA-7096:
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[~tarmstrong]
Attached OOM profile where most memory
Mostafa Mokhtar created IMPALA-7172:
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Summary: Statestore should verify that all subscribers are running
the same version of Impala
Key: IMPALA-7172
URL: https://issues.apache.org/jira/browse/IMPALA-7172
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https://issues.apache.org/jira/browse/IMPALA-2937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar resolved IMPALA-2937.
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Resolution: Fixed
Fix Version/s: Impala 2.12.0
> Introduce sampled statistics
>
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https://issues.apache.org/jira/browse/IMPALA-2682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16508701#comment-16508701
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Mostafa Mokhtar commented on IMPALA-2682:
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To get more speedup in exchange we should focus on:
*
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https://issues.apache.org/jira/browse/IMPALA-6746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar reassigned IMPALA-6746:
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Assignee: Adrian Ng (was: Mostafa Mokhtar)
> Reduce the number of comparison for
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https://issues.apache.org/jira/browse/IMPALA-7020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar reassigned IMPALA-7020:
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Assignee: Adrian Ng (was: Alexander Behm)
> Order by expressions in Analytical
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https://issues.apache.org/jira/browse/IMPALA-6746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar reassigned IMPALA-6746:
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Assignee: Mostafa Mokhtar (was: Tianyi Wang)
> Reduce the number of comparison
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https://issues.apache.org/jira/browse/IMPALA-2945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16461594#comment-16461594
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Mostafa Mokhtar commented on IMPALA-2945:
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I disagree, the planner and admission control should
Mostafa Mokhtar created IMPALA-7221:
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Summary: While reading from object store S3/ADLS at fast rates
+500MB/sec TypeArrayKlass::allocate_common becomes a CPU bottleneck
Key: IMPALA-7221
URL:
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https://issues.apache.org/jira/browse/IMPALA-7221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar updated IMPALA-7221:
Attachment: s3_alloc_expensive_2_ps.txt
s3_alloc_expensive_1_js.txt
>
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https://issues.apache.org/jira/browse/IMPALA-7221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar updated IMPALA-7221:
Summary: While reading from object store S3/ADLS at +500MB/sec
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https://issues.apache.org/jira/browse/IMPALA-7221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar reassigned IMPALA-7221:
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Assignee: Sailesh Mukil
> While reading from object store S3/ADLS at fast rates
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https://issues.apache.org/jira/browse/IMPALA-2712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar resolved IMPALA-2712.
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Resolution: Won't Fix
> Investigate increasing batch size
>
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https://issues.apache.org/jira/browse/IMPALA-2564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar reassigned IMPALA-2564:
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Assignee: (was: Mostafa Mokhtar)
> Introduce mechanism to limit query fan-out
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https://issues.apache.org/jira/browse/IMPALA-6657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar resolved IMPALA-6657.
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Resolution: Fixed
Turns out tcmalloc is reason, issue fixe in 2.12
> Investigate why
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https://issues.apache.org/jira/browse/IMPALA-2682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar resolved IMPALA-2682.
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Resolution: Fixed
Fixed in 2.13
> Address exchange operator CPU bottlenecks in Thrift
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