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https://issues.apache.org/jira/browse/HBASE-13531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14522541#comment-14522541
]
Jonathan Hsieh commented on HBASE-13531:
----------------------------------------
With this patch applied (thus never using the mob feature in
TestAcidGuarantees) I had 40 clean runs in a row.
{code}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestAcidGuarantees.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestAcidGuarantees.java
index dbb6156..64320ab 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestAcidGuarantees.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestAcidGuarantees.java
@@ -392,7 +392,7 @@ public class TestAcidGuarantees implements Tool {
util.startMiniCluster(1);
try {
boolean systemTest = false;
- boolean useMob = true;
+ boolean useMob = false; // true;
runTestAtomicity(20000, 5, 5, 0, 3, systemTest, useMob);
} finally {
util.shutdownMiniCluster();
@@ -404,7 +404,7 @@ public class TestAcidGuarantees implements Tool {
util.startMiniCluster(1);
try {
boolean systemTest = false;
- boolean useMob = true;
+ boolean useMob = false; // true;
runTestAtomicity(20000, 5, 0, 5, 3, systemTest, useMob);
} finally {
util.shutdownMiniCluster();
@@ -416,7 +416,7 @@ public class TestAcidGuarantees implements Tool {
util.startMiniCluster(1);
try {
boolean systemTest = false;
- boolean useMob = true;
+ boolean useMob = false; // true;
runTestAtomicity(20000, 5, 2, 2, 3, systemTest, useMob);
} finally {
util.shutdownMiniCluster();
{code}
Also, running the IT test version without useMob=false does not encounter the
acid violation. I'm pretty convinced it is a legit bug and due to the mob
path.
> After 4/18/15 merge, flakey failures of
> TestAcidGuarantees#testMobScanAtomicity
> -------------------------------------------------------------------------------
>
> Key: HBASE-13531
> URL: https://issues.apache.org/jira/browse/HBASE-13531
> Project: HBase
> Issue Type: Sub-task
> Components: regionserver, Scanners
> Affects Versions: hbase-11339
> Reporter: Jonathan Hsieh
> Fix For: hbase-11339
>
>
> After the merge of master from 4/18/15 with hbase-11339 branch, we encounter
> some atomicity violations. We want to fix before calling merge to trunk.
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