[HIVE-21177] Optimize AcidUtils.getLogicalLength()

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 4.0.0-alpha-1
• Component/s: Transactions
• Target Version/s: 4.0.0

Release Note

I messed up the commit msg for this. The Jira number is correct, but the bug title is from another issue

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commit 07b76f413cb174413f0530a6aae5ae442a301b46
Author: Eugene Koifman <[e-mail]>
Date: Thu Feb 7 09:49:19 2019 -0800

    HIVE-21177: ACID: When there are no delete deltas skip finding min max keys (Eugene Koifman, reviewed by Prasanth Jayachandran)
{noformat}

• Assignee: Eugene Koifman
• Reporter: Eugene Koifman
• Created: 29/Jan/19 17:57
• Updated: 17/Nov/22 08:55
• Resolved: 07/Feb/19 17:52

Description

AcidUtils.getLogicalLength() - tries look for the side file OrcAcidUtils.getSideFile() on the file system even when the file couldn't possibly be there, e.g. when the path is delta_x_x or base_x. It could only be there in delta_x_y, x != y.

Issue Links

• is required by: HIVE-21225 ACID: getAcidState() should cache a recursive dir listing locally