[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15990409#comment-15990409
]
Hudson commented on HBASE-17859:
ABORTED: Integrated in Jenkins build HBase-HBASE-14614 #190 (See
[https://builds.apache.org/job/HBase-HBASE-14614/190/])
HBASE-17859 ByteBufferUtils#compareTo is wrong (chia7712: rev
73e1bcd33515061be2dc2e51e6ad19d9798a8ef6)
* (edit)
hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestByteBufferUtils.java
* (edit)
hbase-common/src/main/java/org/apache/hadoop/hbase/util/ByteBufferUtils.java
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Sub-task
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
>Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch, HBASE-17859.v1.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
> {noformat}
> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2,
> int o2, int l2) {
>//
> int end1 = o1 + l1;
> int end2 = o2 + l2;
> for (int i = o1, j = o2; i < end1 && j < end2; i++, j++) {
> int a = buf1[i] & 0xFF;
> int b = buf2.get(i) & 0xFF;
> if (a != b) {
> return a - b;
> }
> }
> return l1 - l2;
> }
> {noformat}
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[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15952191#comment-15952191
]
Hudson commented on HBASE-17859:
FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #2779 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/2779/])
HBASE-17859 ByteBufferUtils#compareTo is wrong (chia7712: rev
73e1bcd33515061be2dc2e51e6ad19d9798a8ef6)
* (edit)
hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestByteBufferUtils.java
* (edit)
hbase-common/src/main/java/org/apache/hadoop/hbase/util/ByteBufferUtils.java
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
>Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch, HBASE-17859.v1.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
> {noformat}
> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2,
> int o2, int l2) {
>//
> int end1 = o1 + l1;
> int end2 = o2 + l2;
> for (int i = o1, j = o2; i < end1 && j < end2; i++, j++) {
> int a = buf1[i] & 0xFF;
> int b = buf2.get(i) & 0xFF;
> if (a != b) {
> return a - b;
> }
> }
> return l1 - l2;
> }
> {noformat}
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[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15951176#comment-15951176
]
stack commented on HBASE-17859:
---
+1 Great find [~chia7712]
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
>Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch, HBASE-17859.v1.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
> {noformat}
> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2,
> int o2, int l2) {
>//
> int end1 = o1 + l1;
> int end2 = o2 + l2;
> for (int i = o1, j = o2; i < end1 && j < end2; i++, j++) {
> int a = buf1[i] & 0xFF;
> int b = buf2.get(i) & 0xFF;
> if (a != b) {
> return a - b;
> }
> }
> return l1 - l2;
> }
> {noformat}
--
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[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15951055#comment-15951055
]
Chia-Ping Tsai commented on HBASE-17859:
Will commit it tomorrow if no objection.
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
>Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch, HBASE-17859.v1.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
> {noformat}
> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2,
> int o2, int l2) {
>//
> int end1 = o1 + l1;
> int end2 = o2 + l2;
> for (int i = o1, j = o2; i < end1 && j < end2; i++, j++) {
> int a = buf1[i] & 0xFF;
> int b = buf2.get(i) & 0xFF;
> if (a != b) {
> return a - b;
> }
> }
> return l1 - l2;
> }
> {noformat}
--
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[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15950794#comment-15950794
]
Hadoop QA commented on HBASE-17859:
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|| Subsystem || Report/Notes ||
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| JIRA Patch URL |
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| JIRA Issue | HBASE-17859 |
| Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck
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| uname | Linux 9865a64654f0 3.13.0-105-generic #152-Ubuntu SMP Fri Dec 2
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|
| git revision | master / a9682ca |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
| Test Results |
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| modules | C: hbase-common U: hbase-common |
| Console output |
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This message was automatically generated.
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
>Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch, HBASE-17859.v1.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15950686#comment-15950686
]
Hadoop QA commented on HBASE-17859:
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| JIRA Patch URL |
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| JIRA Issue | HBASE-17859 |
| Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck
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| uname | Linux 1ec64f8e7f09 3.13.0-106-generic #153-Ubuntu SMP Tue Dec 6
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|
| git revision | master / a9682ca |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
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| modules | C: hbase-common U: hbase-common |
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This message was automatically generated.
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
>Priority: Critical
> Fix
[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15950667#comment-15950667
]
ramkrishna.s.vasudevan commented on HBASE-17859:
All our recent perf test had a perf issue. Should be this one.
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
>Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
> {noformat}
> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2,
> int o2, int l2) {
>//
> int end1 = o1 + l1;
> int end2 = o2 + l2;
> for (int i = o1, j = o2; i < end1 && j < end2; i++, j++) {
> int a = buf1[i] & 0xFF;
> int b = buf2.get(i) & 0xFF;
> if (a != b) {
> return a - b;
> }
> }
> return l1 - l2;
> }
> {noformat}
--
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[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15950664#comment-15950664
]
Anoop Sam John commented on HBASE-17859:
Thanks a ton... Great catch..
So silly copy paste problem.. Am sure we have struggled because of this in our
recent perf tests.
+1
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
> {noformat}
> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2,
> int o2, int l2) {
>//
> int end1 = o1 + l1;
> int end2 = o2 + l2;
> for (int i = o1, j = o2; i < end1 && j < end2; i++, j++) {
> int a = buf1[i] & 0xFF;
> int b = buf2.get(i) & 0xFF;
> if (a != b) {
> return a - b;
> }
> }
> return l1 - l2;
> }
> {noformat}
--
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[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15950658#comment-15950658
]
Chia-Ping Tsai commented on HBASE-17859:
bq. Add a unit test to prevent regression ?
I will add tests in next patch.
bq. So this will lead to issues when we have Bytebuffer cell and normal KV?
yes, it makes the wrong result if we don't use the UNSAFE.
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
> {noformat}
> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2,
> int o2, int l2) {
>//
> int end1 = o1 + l1;
> int end2 = o2 + l2;
> for (int i = o1, j = o2; i < end1 && j < end2; i++, j++) {
> int a = buf1[i] & 0xFF;
> int b = buf2.get(i) & 0xFF;
> if (a != b) {
> return a - b;
> }
> }
> return l1 - l2;
> }
> {noformat}
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[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15950651#comment-15950651
]
ramkrishna.s.vasudevan commented on HBASE-17859:
+1. So this will lead to issues when we have Bytebuffer cell and normal KV?
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
> {noformat}
> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2,
> int o2, int l2) {
>//
> int end1 = o1 + l1;
> int end2 = o2 + l2;
> for (int i = o1, j = o2; i < end1 && j < end2; i++, j++) {
> int a = buf1[i] & 0xFF;
> int b = buf2.get(i) & 0xFF;
> if (a != b) {
> return a - b;
> }
> }
> return l1 - l2;
> }
> {noformat}
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[jira] [Commented] (HBASE-17859) ByteBufferUtils#compareTo is wrong
[
https://issues.apache.org/jira/browse/HBASE-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15950649#comment-15950649
]
Ted Yu commented on HBASE-17859:
Good find.
Add a unit test to prevent regression ?
> ByteBufferUtils#compareTo is wrong
> --
>
> Key: HBASE-17859
> URL: https://issues.apache.org/jira/browse/HBASE-17859
> Project: HBase
> Issue Type: Bug
>Reporter: Chia-Ping Tsai
>Assignee: Chia-Ping Tsai
> Fix For: 2.0.0
>
> Attachments: HBASE-17859.v0.patch
>
>
> buf2.get( i ) & 0xFF; -> buf2.get(j) & 0xFF;
> {noformat}
> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2,
> int o2, int l2) {
>//
> int end1 = o1 + l1;
> int end2 = o2 + l2;
> for (int i = o1, j = o2; i < end1 && j < end2; i++, j++) {
> int a = buf1[i] & 0xFF;
> int b = buf2.get(i) & 0xFF;
> if (a != b) {
> return a - b;
> }
> }
> return l1 - l2;
> }
> {noformat}
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