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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-24020) Automatic Compaction not working in existing partitions for Streaming Ingest with Dynamic Partition
Date Wed, 26 Aug 2020 17:52:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-24020?focusedWorklogId=474927&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-474927
]

ASF GitHub Bot logged work on HIVE-24020:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 26/Aug/20 17:51
            Start Date: 26/Aug/20 17:51
    Worklog Time Spent: 10m 
      Work Description: prasanthj merged pull request #1382:
URL: https://github.com/apache/hive/pull/1382


   


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 474927)
    Time Spent: 1h  (was: 50m)

> Automatic Compaction not working in existing partitions for Streaming Ingest with Dynamic
Partition
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-24020
>                 URL: https://issues.apache.org/jira/browse/HIVE-24020
>             Project: Hive
>          Issue Type: Bug
>          Components: Streaming, Transactions
>    Affects Versions: 4.0.0, 3.1.2
>            Reporter: Vipin Vishvkarma
>            Assignee: Vipin Vishvkarma
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> This issue happens when we try to do streaming ingest with dynamic partition on already
existing partitions. I checked in the code, we have following check in the AbstractRecordWriter.
>  
> {code:java}
> PartitionInfo partitionInfo = conn.createPartitionIfNotExists(partitionValues);
> // collect the newly added partitions. connection.commitTransaction() will report the
dynamically added
> // partitions to TxnHandler
> if (!partitionInfo.isExists()) {
>   addedPartitions.add(partitionInfo.getName());
> } else {
>   if (LOG.isDebugEnabled()) {
>     LOG.debug("Partition {} already exists for table {}",
>         partitionInfo.getName(), fullyQualifiedTableName);
>   }
> }
> {code}
> Above *addedPartitions* is passed to *addDynamicPartitions* during TransactionBatch
commit. So in case of already existing partitions, *addedPartitions* will be empty and *addDynamicPartitions* **will
not move entries from TXN_COMPONENTS to COMPLETED_TXN_COMPONENTS. This results in Initiator
not able to trigger auto compaction.
> Another issue which has been observed is, we are not clearing *addedPartitions* on
writer close, which results in information flowing across transactions.
>  



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