[HBASE-12782] ITBLL fails for me if generator does anything but 5M per maptask

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.0.0, 0.98.9
• Fix Version/s: 1.0.0, 0.98.10, 1.1.0
• Component/s: integration tests
• Hadoop Flags: Reviewed
• Assignee: Michael Stack
• Reporter: Michael Stack
• Created: 30/Dec/14 07:27
• Updated: 06/Apr/18 17:55
• Resolved: 31/Jan/15 03:39

Description

Anyone else seeing this? If I do an ITBLL with generator doing 5M rows per maptask, all is good – verify passes. I've been running 5 servers and had one splot per server. So below works:

HADOOP_CLASSPATH="/home/stack/conf_hbase:`/home/stack/hbase/bin/hbase classpath`" ./hadoop/bin/hadoop --config ~/conf_hadoop org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList --monkey serverKilling Generator 5 5000000 g1.tmp

or if I double the map tasks, it works:

HADOOP_CLASSPATH="/home/stack/conf_hbase:`/home/stack/hbase/bin/hbase classpath`" ./hadoop/bin/hadoop --config ~/conf_hadoop org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList --monkey serverKilling Generator 10 5000000 g2.tmp

...but if I change the 5M to 50M or 25M, Verify fails.

Looking into it.

Issue Links

• is related to: HBASE-11099 Two situations where we could open a region with smaller sequence number
• relates to: HBASE-14736 ITBLL debugging search tool OOMEs on big dataset
• links to: How To DEBUG ITBLL Failures