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Posted to issues@hive.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/02/11 09:02:00 UTC
[jira] [Work logged] (HIVE-21206) Bootstrap replication is slow as
it opens lot of metastore connections.
[ https://issues.apache.org/jira/browse/HIVE-21206?focusedWorklogId=196839&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-196839 ]
ASF GitHub Bot logged work on HIVE-21206:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Feb/19 09:01
Start Date: 11/Feb/19 09:01
Worklog Time Spent: 10m
Work Description: sankarh commented on pull request #529: HIVE-21206: Bootstrap replication is slow as it opens lot of metastore connections.
URL: https://github.com/apache/hive/pull/529
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Issue Time Tracking
-------------------
Worklog Id: (was: 196839)
Time Spent: 10m
Remaining Estimate: 0h
> Bootstrap replication is slow as it opens lot of metastore connections.
> -----------------------------------------------------------------------
>
> Key: HIVE-21206
> URL: https://issues.apache.org/jira/browse/HIVE-21206
> Project: Hive
> Issue Type: Bug
> Components: repl
> Affects Versions: 4.0.0
> Reporter: Sankar Hariappan
> Assignee: Sankar Hariappan
> Priority: Major
> Labels: DR, pull-request-available, replication
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Hive bootstrap replication of 1TB data onprem to onprem in Hive3 is running slower compared to Hive2.
> Time taken for bootstrap replication of table with 1000 partitions are as below:
> || Hive2- Hive2 || Hive3 - Hive3 ||
> |Bootstrap: 7m| BootStrap: 17m |
> Every MoveTask is closing and opening new metastore connection which is causing slow down.
> {code}
> 2019-02-08T12:28:30,174 INFO [HiveServer2-Background-Pool: Thread-1134]: ql.Driver (:()) - Starting task [Stage-5:MOVE] in serial mode
> 2019-02-08T12:28:30,177 INFO [HiveServer2-Background-Pool: Thread-1134]: exec.Task (:()) - Loading data to table nondefault.nondefault_table1 from hdfs://mycluster1/warehouse/tablespace/managed/hive/nondefault.db/nondefault_table1/.hive-staging_hive_2019-02-08_12-28-23_584_1482331698286040936-3/-ext-10001
> 2019-02-08T12:28:30,189 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.HiveMetaStoreClient (:()) - Trying to connect to metastore with URI thrift://ctr-e139-1542663976389-62755-01-000014.hwx.site:9083
> 2019-02-08T12:28:30,189 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.HiveMetaStoreClient (:()) - HMSC::open(): Could not find delegation token. Creating KERBEROS-based thrift connection.
> 2019-02-08T12:28:30,206 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.HiveMetaStoreClient (:()) - Opened a connection to metastore, current connections: 4
> 2019-02-08T12:28:30,206 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.HiveMetaStoreClient (:()) - Connected to metastore.
> 2019-02-08T12:28:30,206 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.RetryingMetaStoreClient (:()) - RetryingMetaStoreClient proxy=class org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient ugi=hive/ctr-e139-1542663976389-62755-01-000014.hwx.site@HWQE.HORTONWORKS.COM (auth:KERBEROS) retries=24 delay=5 lifetime=0
> 2019-02-08T12:28:30,325 INFO [org.apache.ranger.audit.queue.AuditBatchQueue1]: provider.BaseAuditHandler (:()) - Audit Status Log: name=hiveServer2.async.multi_dest.batch, finalDestination=hiveServer2.async.multi_dest.batch.solr, interval=01:00.002 minutes, events=2, succcessCount=1, totalEvents=56, totalSuccessCount=25
> 2019-02-08T12:28:30,520 INFO [HiveServer2-Background-Pool: Thread-1134]: common.FileUtils (FileUtils.java:mkdir(580)) - Creating directory if it doesn't exist: hdfs://mycluster1/warehouse/tablespace/managed/hive/nondefault.db/nondefault_table1/base_0000001
> 2019-02-08T12:28:31,245 INFO [HiveServer2-Background-Pool: Thread-1134]: ql.Driver (:()) - Starting task [Stage-11:MOVE] in serial mode
> 2019-02-08T12:28:31,245 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.HiveMetaStoreClient (:()) - Closed a connection to metastore, current connections: 3
> 2019-02-08T12:28:31,246 INFO [HiveServer2-Background-Pool: Thread-1134]: exec.Task (:()) - Loading data to table nondefault.nondefault_table2 from hdfs://mycluster1/warehouse/tablespace/managed/hive/nondefault.db/nondefault_table2/.hive-staging_hive_2019-02-08_12-28-23_810_7457138692783022870-3/-ext-10002
> 2019-02-08T12:28:31,327 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.HiveMetaStoreClient (:()) - Trying to connect to metastore with URI thrift://ctr-e139-1542663976389-62755-01-000014.hwx.site:9083
> 2019-02-08T12:28:31,327 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.HiveMetaStoreClient (:()) - HMSC::open(): Could not find delegation token. Creating KERBEROS-based thrift connection.
> 2019-02-08T12:28:31,336 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.HiveMetaStoreClient (:()) - Opened a connection to metastore, current connections: 4
> 2019-02-08T12:28:31,337 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.HiveMetaStoreClient (:()) - Connected to metastore.
> 2019-02-08T12:28:31,337 INFO [HiveServer2-Background-Pool: Thread-1134]: metastore.RetryingMetaStoreClient (:()) - RetryingMetaStoreClient proxy=class org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient ugi=hive/ctr-e139-1542663976389-62755-01-000014.hwx.site@HWQE.HORTONWORKS.COM (auth:KERBEROS) retries=24 delay=5 lifetime=0
> 2019-02-08T12:28:31,642 INFO [HiveServer2-Background-Pool: Thread-1134]: common.FileUtils (FileUtils.java:mkdir(580)) - Creating directory if it doesn't exist: hdfs://mycluster1/warehouse/tablespace/managed/hive/nondefault.db/nondefault_table2/base_0000001
> {code}
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