hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Eugene Koifman (JIRA)" <>
Subject [jira] [Commented] (HIVE-17710) LockManager and External tables
Date Mon, 16 Oct 2017 20:26:00 GMT


Eugene Koifman commented on HIVE-17710:

Also consider closing an implicit txn immediately after compiling if we know it only uses
External tables.

Somewhat orthogonal, maybe useful to have ReadOnly txn mode - this could simplify TxnHandler.commitTxn()

> LockManager and External tables
> -------------------------------
>                 Key: HIVE-17710
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>          Components: Transactions
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
> should the LM take locks on External tables?  Out of the box Acid LM is being conservative
which can cause throughput issues.
> A better strategy may be to exclude External tables but enable explicit "lock table/partition
<lock mode>" command (only on external tables?).

This message was sent by Atlassian JIRA

View raw message