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[IMPALA-7498] impalad should wait for catalogd during start up - Impala - [issue]
...If you start all daemons simultaneously, impalad with --use_local_catalog enabled will retry three times in a tight loop trying to fetch the DB names, and then exit. Instead it should loop f...    Author: Todd Lipcon , 2018-09-19, 19:33
[HDFS-2882] DN continues to start up, even if block pool fails to initialize - HDFS - [issue]
...I started a DN on a machine that was completely out of space on one of its drives. I saw the following:2012-02-02 09:56:50,499 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initiali...    Author: Todd Lipcon , 2018-09-19, 16:34
[IMPALA-7532] Add retry/back-off to fetch-from-catalog RPCs - Impala - [issue]
...Currently if there is an error connecting to the catalog server, the 'fetch from catalog' implementation will retry with no apparent backoff. We should retry for some period of time with bac...    Author: Todd Lipcon , 2018-09-18, 23:39
[IMPALA-7530] Re-plan queries on InconsistentMetadataException - Impala - [issue]
...In the case that the impalad has cached some information about a table, but the table has since been modified or deleted on the catalogd, the metaprovider can throw an InconsistentMetadataEx...    Author: Todd Lipcon , 2018-09-18, 00:44
[HIVE-19685] OpenTracing support for HMS - Hive - [issue]
...When diagnosing performance of metastore operations it isn't always obvious why something took a long time. Using a tracing framework can provide an end-to-end view of an operation including...    Author: Todd Lipcon , 2018-09-16, 13:47
[IMPALA-7527] Expose fetch-from-catalogd cache and latency metrics in profiles - Impala - [issue]
...Since we now have some caching and potential remote calls on the planning path, it's important to be able to understand how that contributes to the performance of planning. This JIRA tracks ...    Author: Todd Lipcon , 2018-09-13, 18:43
[HADOOP-10288] Explicit reference to Log4JLogger breaks non-log4j users - Hadoop - [issue]
...In HttpRequestLog, we make an explicit reference to the Log4JLogger class for an instanceof check. If the log4j implementation isn't actually on the classpath, the instanceof check throws No...    Author: Todd Lipcon , 2018-09-12, 11:09
[IMPALA-7531] Add daemon-level metrics about fetch-from-catalog cache - Impala - [issue]
...It would be good to expose daemon-level metrics about cache hit rate, occupancy, etc....    Author: Todd Lipcon , 2018-09-12, 01:41
[KUDU-2348] Java client doesn't pick a random replica when no replica is local - Kudu - [issue]
...In RemoteTablet we have this comment:   * Get the information on the closest server. If none is closer than the others,   * return the information on a randomly picked se...    Author: Todd Lipcon , 2018-09-10, 21:22
[KUDU-2343] Java client doesn't properly reconnect to leader master when old leader is online - Kudu - [issue]
...In the following sequence of events, the Java client doesn't properly fail over to locate a new master, and in fact gets "stuck" until the client is restarted: client connects to the cluster...    Author: Todd Lipcon , 2018-09-10, 14:50