[
https://issues.apache.org/jira/browse/HDDS-1624?focusedWorklogId=253974&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-253974
]
ASF GitHub Bot logged work on HDDS-1624:
----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Jun/19 19:22
Start Date: 04/Jun/19 19:22
Worklog Time Spent: 10m
Work Description: avijayanhwx commented on pull request #882: HDDS-1624 :
Refactor operations inside the bucket lock in OM key write.
URL: https://github.com/apache/hadoop/pull/882#discussion_r290457364
##########
File path:
hadoop-hdds/common/src/test/java/org/apache/hadoop/utils/db/TestTypedRDBTableStore.java
##########
@@ -316,4 +316,22 @@ public void
testTypedTableWithCacheWithFewDeletedOperationType()
}
}
+
+ @Test
+ public void testIsExist() throws Exception {
+ try (Table<String, String> testTable = createTypedTable(
+ "Eighth")) {
+ String key =
+ RandomStringUtils.random(10);
+ String value = RandomStringUtils.random(10);
+ testTable.put(key, value);
+ Assert.assertTrue(testTable.isExist(key));
+
+ String invalidKey = key + RandomStringUtils.random(1);
+ Assert.assertFalse(testTable.isExist(invalidKey));
Review comment:
Addressed
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Issue Time Tracking
-------------------
Worklog Id: (was: 253974)
Time Spent: 3.5h (was: 3h 20m)
> Refactor operations inside the bucket lock in OM key write.
> -----------------------------------------------------------
>
> Key: HDDS-1624
> URL: https://issues.apache.org/jira/browse/HDDS-1624
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Manager
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Critical
> Labels: pull-request-available
> Fix For: 0.5.0
>
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> There are a few steps that are done inside the OM bucket lock that are lock
> invariant and can be done outside the lock. This patch refactors those steps.
> It also adds an isExist API in the metadata store so that we dont need to
> deserialize the byte[] to Object while doing a simple _table.get(key) !=
> null_ check.
> On applying the patch, the OM + SCM (With dummy datanodes) write performance
> improves by around 3 - 6x based on number of existing keys in the OM RocksDB.
> Thanks to [~nandakumar131] who helped with this patch.
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