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[IMPALA-5416] Chaining source command in impala-shell with a SQL query runs the query twice and crashes if followed by another source
...Running something like source foo.sql; select * from 1; executes the second query twice. [impala-adls-2:21000] > !cat /home/systest/test1.sql;select count(*) as date_dim1 from tpcds_...
, 2017-09-22, 05:20
[IMPALA-5962] Impala fails to start after fix for IMPALA-5920
...It appears that after IMPALA-5920: Remove admission control dependency on YARN RM jarImpala is failing to start with 2:49:19.776 AM FATAL cc:127 java.lang.NoClassDefFoundError: org/apache/im...
, 2017-09-21, 21:19
[IMPALA-4863] Incorrect accounting of file count and compression type when Runtime filters are applied on partition and non-partition columns
...Queryselect count(*) from store_sales, date_dim, item where ss_sold_date_sk = d_date_sk and d_year = 2001 and i_color="red" and i_item_sk = ss_item_sk;From the query profile, 28 is the numbe...
, 2017-09-21, 17:56
[IMPALA-5448] Invalid number of files reported in Parquet scan node
...It appears that the number of files reported in the HDFS scan node when reading Parquet data is miscounted, for the scan node below the number of files should be the same as number of RowGro...
, 2017-09-20, 22:00
[IMPALA-5963] Extend Catalog metrics to list tables that are being loaded along with the ones in the queue
...The Catalog log prints the information below which doesn't clearly show what tables are being loaded, how long is the queue and how far in the queue is a particular table. I0920 11:18:35.363...
, 2017-09-20, 18:27
[IMPALA-5556] Use hostname opposed to IP in query profiles
...Query profile attached Fragment F11: Instance 9941b77e0a858c2d:256d359a0000005f (host=10.17.193.22:22000):(Total: 1s751ms, non-child: 7.704ms, % non-child: 0...
, 2017-09-19, 23:19
[Impala] Performance strange behavior
- [mail # user]
...Hi Andrey,Can you please share some of the query profiles for us to analyze?When running queries with a large number of scanner threads you are likelyto hit IMPALA-5302 and IMPALA-4923...
, 2017-09-19, 17:12
[IMPALA-5225] Queries that reference >6Million files and 500K partitions can fail with java.lang.OutOfMemoryError while serializing PlanFragment
...ExceptionI0418 16:35:24.592319 55911 jni-util.cc:176] java.lang.OutOfMemoryError: Requested array size exceeds VM limit at java.util.Arrays.copyOf(Arrays.java:2271...
, 2017-09-18, 18:47
[IMPALA-5557] Increase and stagger rpc_default_keepalive_time_ms
...Queries were still hitting the KDC hard and eventually failed, this is the sequence of events: Start running a query Impala backends send thousands of TGS_REQ requests to the KDC Query would...
, 2017-09-15, 22:05
[IMPALA-2522] Improve the reliability and effectiveness of ETL
...Reduce the memory requirements of INSERTs into partitioned tables.Impala inserts into partitioned Parquet tables suffer from high memory requirements because each Impala Daemon will keep ~25...
, 2017-09-15, 21:01
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