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https://issues.apache.org/jira/browse/HIVE-26182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17529797#comment-17529797
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László Bodor commented on HIVE-26182:
-------------------------------------

the initial patch contains changes for logging:
{code}
2022-04-28T22:54:38,676  INFO [App Shared Pool - #9] 
tez.DynamicPartitionPruner: Waiting for events (2 sources) ...
2022-04-28T22:54:46,101  INFO [App Shared Pool - #9] 
tez.DynamicPartitionPruner: Input event (Map 3 -> Map 1 web_returns), event 
payload size: 657463
2022-04-28T22:54:46,125  INFO [State Change Notifier DAG: 
dag_1651211576832_0001_2] tez.DynamicPartitionPruner: Vertex succeeded: Map 3
2022-04-28T22:54:46,125  INFO [State Change Notifier DAG: 
dag_1651211576832_0001_2] tez.DynamicPartitionPruner: Waiting for 1 sources.
2022-04-28T22:54:46,190  INFO [App Shared Pool - #9] 
tez.DynamicPartitionPruner: Received 73049 partitions (source: Map 3)
2022-04-28T22:54:46,610  INFO [App Shared Pool - #9] 
tez.DynamicPartitionPruner: Input event (Map 4 -> Map 1 web_returns), event 
payload size: 211
2022-04-28T22:54:46,611  INFO [App Shared Pool - #9] 
tez.DynamicPartitionPruner: Received 21 partitions (source: Map 4)
2022-04-28T22:54:46,613  INFO [State Change Notifier DAG: 
dag_1651211576832_0001_2] tez.DynamicPartitionPruner: Vertex succeeded: Map 4
2022-04-28T22:54:46,613  INFO [App Shared Pool - #9] 
tez.DynamicPartitionPruner: Received events: 2
2022-04-28T22:54:46,615  INFO [App Shared Pool - #9] 
tez.DynamicPartitionPruner: Expecting 1 events for vertex Map 3, for column 
wr_returned_date_sk
2022-04-28T22:54:46,644  INFO [App Shared Pool - #9] 
tez.DynamicPartitionPruner: Expecting 1 events for vertex Map 4, for column 
wr_returned_date_sk
2022-04-28T22:54:46,782  INFO [App Shared Pool - #9] 
tez.DynamicPartitionPruner: Ok to proceed.
{code}

> Some improvements to make DPP more debuggable
> ---------------------------------------------
>
>                 Key: HIVE-26182
>                 URL: https://issues.apache.org/jira/browse/HIVE-26182
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: László Bodor
>            Assignee: László Bodor
>            Priority: Major
>
> details to be written here later



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