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https://issues.apache.org/jira/browse/HBASE-16747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15609254#comment-15609254
 ] 

Hadoop QA commented on HBASE-16747:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 13s 
{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s 
{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 
0s {color} | {color:green} The patch appears to include 15 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 20s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 
31s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 0s 
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
42s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
22s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
26s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 44s 
{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 9s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 
10s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 51s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 51s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
38s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
23s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
29m 13s {color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7.1 2.7.2 2.7.3 or 3.0.0-alpha1. {color} |
| {color:green}+1{color} | {color:green} hbaseprotoc {color} | {color:green} 0m 
20s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
26s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 40s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 38s 
{color} | {color:green} hbase-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 88m 12s {color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
29s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 136m 6s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.client.TestFastFail |
|   | hadoop.hbase.client.TestClientPushback |
| Timed out junit tests | org.apache.hadoop.hbase.client.TestFromClientSide |
|   | org.apache.hadoop.hbase.client.TestReplicaWithCluster |
|   | org.apache.hadoop.hbase.client.TestMobCloneSnapshotFromClient |
|   | org.apache.hadoop.hbase.client.TestMobSnapshotCloneIndependence |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:7bda515 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12835374/HBASE-16747_V3.patch |
| JIRA Issue | HBASE-16747 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux 2acb331113f4 3.13.0-92-generic #139-Ubuntu SMP Tue Jun 28 
20:42:26 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
 |
| git revision | master / cd3dd6e |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4195/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/4195/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4195/testReport/ |
| modules | C: hbase-common hbase-server U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4195/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Track memstore data size and heap overhead separately 
> ------------------------------------------------------
>
>                 Key: HBASE-16747
>                 URL: https://issues.apache.org/jira/browse/HBASE-16747
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16747.patch, HBASE-16747.patch, 
> HBASE-16747_V2.patch, HBASE-16747_V2.patch, HBASE-16747_V3.patch, 
> HBASE-16747_V3.patch, HBASE-16747_V3.patch, HBASE-16747_WIP.patch
>
>
> We track the memstore size in 3 places.
> 1. Global at RS level in RegionServerAccounting. This tracks all memstore's 
> size and used to calculate whether forced flushes needed because of global 
> heap pressure
> 2. At region level in HRegion. This is sum of sizes of all memstores within 
> this region. This is used to decide whether region reaches flush size (128 MB)
> 3. Segment level. This tracks the in memory flush/compaction decisions.
> All these use the Cell's heap size which include the data bytes# as well as 
> Cell object heap overhead.  Also we include the overhead because of addition 
> of Cells into Segment's data structures (Like CSLM).
> Once we have off heap memstore, we will keep the cell data bytes in off heap 
> area. So we can not track both data size and heap overhead as one entity. We 
> need to separate them and track.
> Proposal here is to track both cell data size and heap overhead separately at 
> global accounting layer.  As of now we have only on heap memstore. So the 
> global memstore boundary checks will consider both (adds up and check against 
> global max memstore size)
> Track cell data size alone (This can be on heap or off heap) in region level. 
>  Region flushes use cell data size alone for the region flush decision. A 
> user configuring 128 MB as flush size, normally he will expect to get a 128MB 
> data flush size. But as we were including the heap overhead also, once the 
> flush happens, the actual data size getting flushed is way behind this 128 
> MB.  Now with this change we will behave more like what a user thinks.
> Segment level in memory flush/compaction also considers cell data size alone. 
>  But we will need to track the heap overhead also. (Once the in memory flush 
> or normal flush happens, we will have to adjust both cell data size and heap 
> overhead)



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