[HIVE-22745] Config option to turn off read locks - ASF JIRA

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Details

Type: Improvement
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 4.0.0-alpha-1
Component/s: Transactions
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Description

Although its not recommended but in perf critical scenario this option may be exercised. We have observed lock acquisition to take long time in heavily loaded system.

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HIVE-22745.patch
18/Jan/20 00:52
2 kB
Slim Bouguerra
HIVE-22745.4.patch
21/Jan/20 23:16
2 kB
Slim Bouguerra
HIVE-22745.3.patch
21/Jan/20 21:11
2 kB
Slim Bouguerra
HIVE-22745.2.patch
20/Jan/20 16:27
2 kB
Slim Bouguerra

Sub-Tasks

Cleaner/Compaction can skip the read locks and use the min open txn id

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Assignee:: Slim Bouguerra

Reporter:: Ashutosh Chauhan

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Dates

Created:: 17/Jan/20 23:43

Updated:: 17/Nov/22 08:50

Resolved:: 21/Jan/20 23:58