[jira] [Work logged] (HDFS-16538) EC decoding failed due to not enough valid inputs
[
https://issues.apache.org/jira/browse/HDFS-16538?focusedWorklogId=758345&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-758345
]
ASF GitHub Bot logged work on HDFS-16538:
-
Author: ASF GitHub Bot
Created on: 19/Apr/22 08:32
Start Date: 19/Apr/22 08:32
Worklog Time Spent: 10m
Work Description: liubingxing commented on PR #4167:
URL: https://github.com/apache/hadoop/pull/4167#issuecomment-1102290130
@tasanuma Thanks for the review and merged. I found another bug related to
EC decoding in
[HDFS-16538](http://https//issues.apache.org/jira/browse/HDFS-16538) , Please
take a look. Thanks you very much.
Issue Time Tracking
---
Worklog Id: (was: 758345)
Time Spent: 1h 20m (was: 1h 10m)
> EC decoding failed due to not enough valid inputs
> --
>
> Key: HDFS-16538
> URL: https://issues.apache.org/jira/browse/HDFS-16538
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: erasure-coding
>Reporter: qinyuren
>Assignee: qinyuren
>Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0, 3.2.4, 3.3.4
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Currently, we found this error if the #StripeReader.readStripe() have more
> than one block read failed.
> We use the EC policy ec(6+3) in our cluster.
> {code:java}
> Caused by: org.apache.hadoop.HadoopIllegalArgumentException: No enough valid
> inputs are provided, not recoverable
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.checkInputBuffers(ByteBufferDecodingState.java:119)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.(ByteBufferDecodingState.java:47)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:86)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:170)
> at
> org.apache.hadoop.hdfs.StripeReader.decodeAndFillBuffer(StripeReader.java:462)
> at
> org.apache.hadoop.hdfs.StatefulStripeReader.decode(StatefulStripeReader.java:94)
> at
> org.apache.hadoop.hdfs.StripeReader.readStripe(StripeReader.java:406)
> at
> org.apache.hadoop.hdfs.DFSStripedInputStream.readOneStripe(DFSStripedInputStream.java:327)
> at
> org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:420)
> at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:892)
> at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
> at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
> {code}
>
> {code:java}
> while (!futures.isEmpty()) {
> try {
> StripingChunkReadResult r = StripedBlockUtil
> .getNextCompletedStripedRead(service, futures, 0);
> dfsStripedInputStream.updateReadStats(r.getReadStats());
> DFSClient.LOG.debug("Read task returned: {}, for stripe {}",
> r, alignedStripe);
> StripingChunk returnedChunk = alignedStripe.chunks[r.index];
> Preconditions.checkNotNull(returnedChunk);
> Preconditions.checkState(returnedChunk.state == StripingChunk.PENDING);
> if (r.state == StripingChunkReadResult.SUCCESSFUL) {
> returnedChunk.state = StripingChunk.FETCHED;
> alignedStripe.fetchedChunksNum++;
> updateState4SuccessRead(r);
> if (alignedStripe.fetchedChunksNum == dataBlkNum) {
> clearFutures();
> break;
> }
> } else {
> returnedChunk.state = StripingChunk.MISSING;
> // close the corresponding reader
> dfsStripedInputStream.closeReader(readerInfos[r.index]);
> final int missing = alignedStripe.missingChunksNum;
> alignedStripe.missingChunksNum++;
> checkMissingBlocks();
> readDataForDecoding();
> readParityChunks(alignedStripe.missingChunksNum - missing);
> } {code}
> This error can be trigger by #StatefulStripeReader.decode.
> The reason is that:
> # If there are more than one *data block* read failed, the
> #readDataForDecoding will be called multiple times;
> # The *decodeInputs array* will be initialized repeatedly.
> # The *parity* *data* in *decodeInputs array* which filled by
> #readParityChunks previously will be set to null.
>
>
>
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[jira] [Work logged] (HDFS-16538) EC decoding failed due to not enough valid inputs
[
https://issues.apache.org/jira/browse/HDFS-16538?focusedWorklogId=758274&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-758274
]
ASF GitHub Bot logged work on HDFS-16538:
-
Author: ASF GitHub Bot
Created on: 19/Apr/22 04:37
Start Date: 19/Apr/22 04:37
Worklog Time Spent: 10m
Work Description: tasanuma merged PR #4167:
URL: https://github.com/apache/hadoop/pull/4167
Issue Time Tracking
---
Worklog Id: (was: 758274)
Time Spent: 1h 10m (was: 1h)
> EC decoding failed due to not enough valid inputs
> --
>
> Key: HDFS-16538
> URL: https://issues.apache.org/jira/browse/HDFS-16538
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: erasure-coding
>Reporter: qinyuren
>Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Currently, we found this error if the #StripeReader.readStripe() have more
> than one block read failed.
> We use the EC policy ec(6+3) in our cluster.
> {code:java}
> Caused by: org.apache.hadoop.HadoopIllegalArgumentException: No enough valid
> inputs are provided, not recoverable
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.checkInputBuffers(ByteBufferDecodingState.java:119)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.(ByteBufferDecodingState.java:47)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:86)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:170)
> at
> org.apache.hadoop.hdfs.StripeReader.decodeAndFillBuffer(StripeReader.java:462)
> at
> org.apache.hadoop.hdfs.StatefulStripeReader.decode(StatefulStripeReader.java:94)
> at
> org.apache.hadoop.hdfs.StripeReader.readStripe(StripeReader.java:406)
> at
> org.apache.hadoop.hdfs.DFSStripedInputStream.readOneStripe(DFSStripedInputStream.java:327)
> at
> org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:420)
> at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:892)
> at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
> at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
> {code}
>
> {code:java}
> while (!futures.isEmpty()) {
> try {
> StripingChunkReadResult r = StripedBlockUtil
> .getNextCompletedStripedRead(service, futures, 0);
> dfsStripedInputStream.updateReadStats(r.getReadStats());
> DFSClient.LOG.debug("Read task returned: {}, for stripe {}",
> r, alignedStripe);
> StripingChunk returnedChunk = alignedStripe.chunks[r.index];
> Preconditions.checkNotNull(returnedChunk);
> Preconditions.checkState(returnedChunk.state == StripingChunk.PENDING);
> if (r.state == StripingChunkReadResult.SUCCESSFUL) {
> returnedChunk.state = StripingChunk.FETCHED;
> alignedStripe.fetchedChunksNum++;
> updateState4SuccessRead(r);
> if (alignedStripe.fetchedChunksNum == dataBlkNum) {
> clearFutures();
> break;
> }
> } else {
> returnedChunk.state = StripingChunk.MISSING;
> // close the corresponding reader
> dfsStripedInputStream.closeReader(readerInfos[r.index]);
> final int missing = alignedStripe.missingChunksNum;
> alignedStripe.missingChunksNum++;
> checkMissingBlocks();
> readDataForDecoding();
> readParityChunks(alignedStripe.missingChunksNum - missing);
> } {code}
> This error can be trigger by #StatefulStripeReader.decode.
> The reason is that:
> # If there are more than one *data block* read failed, the
> #readDataForDecoding will be called multiple times;
> # The *decodeInputs array* will be initialized repeatedly.
> # The *parity* *data* in *decodeInputs array* which filled by
> #readParityChunks previously will be set to null.
>
>
>
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[jira] [Work logged] (HDFS-16538) EC decoding failed due to not enough valid inputs
[
https://issues.apache.org/jira/browse/HDFS-16538?focusedWorklogId=757118&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-757118
]
ASF GitHub Bot logged work on HDFS-16538:
-
Author: ASF GitHub Bot
Created on: 14/Apr/22 17:28
Start Date: 14/Apr/22 17:28
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on PR #4167:
URL: https://github.com/apache/hadoop/pull/4167#issuecomment-1099446513
:confetti_ball: **+1 overall**
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found. |
| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
any @author tags. |
| +1 :green_heart: | test4tests | 0m 0s | | The patch appears to
include 1 new or modified test files. |
_ trunk Compile Tests _ |
| +0 :ok: | mvndep | 15m 57s | | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 27m 48s | | trunk passed |
| +1 :green_heart: | compile | 6m 37s | | trunk passed with JDK
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| +1 :green_heart: | javadoc | 2m 17s | | trunk passed with JDK
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| +1 :green_heart: | spotbugs | 6m 40s | | trunk passed |
| +1 :green_heart: | shadedclient | 25m 54s | | branch has no errors
when building and testing our client artifacts. |
_ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 31s | | Maven dependency ordering for patch |
| +1 :green_heart: | mvninstall | 2m 15s | | the patch passed |
| +1 :green_heart: | compile | 6m 46s | | the patch passed with JDK
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| +1 :green_heart: | javac | 6m 46s | | the patch passed |
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| +1 :green_heart: | javac | 6m 9s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 1m 10s | | the patch passed |
| +1 :green_heart: | mvnsite | 2m 18s | | the patch passed |
| +1 :green_heart: | javadoc | 1m 36s | | the patch passed with JDK
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| +1 :green_heart: | javadoc | 2m 7s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 6m 26s | | the patch passed |
| +1 :green_heart: | shadedclient | 26m 7s | | patch has no errors
when building and testing our client artifacts. |
_ Other Tests _ |
| +1 :green_heart: | unit | 2m 27s | | hadoop-hdfs-client in the patch
passed. |
| +1 :green_heart: | unit | 234m 43s | | hadoop-hdfs in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 51s | | The patch does not
generate ASF License warnings. |
| | | 389m 33s | | |
| Subsystem | Report/Notes |
|--:|:-|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4167/3/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/4167 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell |
| uname | Linux a7b6b3da85bb 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9
23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 22359a90c8e8cd1dce2291ba8b69ca0a25161872 |
| Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Multi-JDK versions |
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/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4167/3/testReport/ |
| Max. process+thread count | 3058 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client
hadoop-hdfs-project/had
[jira] [Work logged] (HDFS-16538) EC decoding failed due to not enough valid inputs
[
https://issues.apache.org/jira/browse/HDFS-16538?focusedWorklogId=756948&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-756948
]
ASF GitHub Bot logged work on HDFS-16538:
-
Author: ASF GitHub Bot
Created on: 14/Apr/22 12:32
Start Date: 14/Apr/22 12:32
Worklog Time Spent: 10m
Work Description: liubingxing commented on PR #4167:
URL: https://github.com/apache/hadoop/pull/4167#issuecomment-1099137583
@tasanuma Please take a look at this.
Issue Time Tracking
---
Worklog Id: (was: 756948)
Time Spent: 50m (was: 40m)
> EC decoding failed due to not enough valid inputs
> --
>
> Key: HDFS-16538
> URL: https://issues.apache.org/jira/browse/HDFS-16538
> Project: Hadoop HDFS
> Issue Type: Bug
>Reporter: qinyuren
>Priority: Major
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Currently, we found this error if the #StripeReader.readStripe() have more
> than one block read failed.
> We use the EC policy ec(6+3) in our cluster.
> {code:java}
> Caused by: org.apache.hadoop.HadoopIllegalArgumentException: No enough valid
> inputs are provided, not recoverable
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.checkInputBuffers(ByteBufferDecodingState.java:119)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.(ByteBufferDecodingState.java:47)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:86)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:170)
> at
> org.apache.hadoop.hdfs.StripeReader.decodeAndFillBuffer(StripeReader.java:462)
> at
> org.apache.hadoop.hdfs.StatefulStripeReader.decode(StatefulStripeReader.java:94)
> at
> org.apache.hadoop.hdfs.StripeReader.readStripe(StripeReader.java:406)
> at
> org.apache.hadoop.hdfs.DFSStripedInputStream.readOneStripe(DFSStripedInputStream.java:327)
> at
> org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:420)
> at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:892)
> at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
> at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
> {code}
>
> {code:java}
> while (!futures.isEmpty()) {
> try {
> StripingChunkReadResult r = StripedBlockUtil
> .getNextCompletedStripedRead(service, futures, 0);
> dfsStripedInputStream.updateReadStats(r.getReadStats());
> DFSClient.LOG.debug("Read task returned: {}, for stripe {}",
> r, alignedStripe);
> StripingChunk returnedChunk = alignedStripe.chunks[r.index];
> Preconditions.checkNotNull(returnedChunk);
> Preconditions.checkState(returnedChunk.state == StripingChunk.PENDING);
> if (r.state == StripingChunkReadResult.SUCCESSFUL) {
> returnedChunk.state = StripingChunk.FETCHED;
> alignedStripe.fetchedChunksNum++;
> updateState4SuccessRead(r);
> if (alignedStripe.fetchedChunksNum == dataBlkNum) {
> clearFutures();
> break;
> }
> } else {
> returnedChunk.state = StripingChunk.MISSING;
> // close the corresponding reader
> dfsStripedInputStream.closeReader(readerInfos[r.index]);
> final int missing = alignedStripe.missingChunksNum;
> alignedStripe.missingChunksNum++;
> checkMissingBlocks();
> readDataForDecoding();
> readParityChunks(alignedStripe.missingChunksNum - missing);
> } {code}
> This error can be trigger by #StatefulStripeReader.decode.
> The reason is that:
> # If there are more than one *data block* read failed, the
> #readDataForDecoding will be called multiple times;
> # The *decodeInputs array* will be initialized repeatedly.
> # The *parity* *data* in *decodeInputs array* which filled by
> #readParityChunks previously will be set to null.
>
>
>
--
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[jira] [Work logged] (HDFS-16538) EC decoding failed due to not enough valid inputs
[
https://issues.apache.org/jira/browse/HDFS-16538?focusedWorklogId=756826&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-756826
]
ASF GitHub Bot logged work on HDFS-16538:
-
Author: ASF GitHub Bot
Created on: 14/Apr/22 03:40
Start Date: 14/Apr/22 03:40
Worklog Time Spent: 10m
Work Description: liubingxing commented on PR #4167:
URL: https://github.com/apache/hadoop/pull/4167#issuecomment-1098678251
I will add a UT later
Issue Time Tracking
---
Worklog Id: (was: 756826)
Time Spent: 40m (was: 0.5h)
> EC decoding failed due to not enough valid inputs
> --
>
> Key: HDFS-16538
> URL: https://issues.apache.org/jira/browse/HDFS-16538
> Project: Hadoop HDFS
> Issue Type: Bug
>Reporter: qinyuren
>Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Currently, we found this error if the #StripeReader.readStripe() have more
> than one block read failed.
> We use the EC policy ec(6+3) in our cluster.
> {code:java}
> Caused by: org.apache.hadoop.HadoopIllegalArgumentException: No enough valid
> inputs are provided, not recoverable
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.checkInputBuffers(ByteBufferDecodingState.java:119)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.(ByteBufferDecodingState.java:47)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:86)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:170)
> at
> org.apache.hadoop.hdfs.StripeReader.decodeAndFillBuffer(StripeReader.java:462)
> at
> org.apache.hadoop.hdfs.StatefulStripeReader.decode(StatefulStripeReader.java:94)
> at
> org.apache.hadoop.hdfs.StripeReader.readStripe(StripeReader.java:406)
> at
> org.apache.hadoop.hdfs.DFSStripedInputStream.readOneStripe(DFSStripedInputStream.java:327)
> at
> org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:420)
> at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:892)
> at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
> at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
> {code}
>
>
> {code:java}
> while (!futures.isEmpty()) {
> try {
> StripingChunkReadResult r = StripedBlockUtil
> .getNextCompletedStripedRead(service, futures, 0);
> dfsStripedInputStream.updateReadStats(r.getReadStats());
> DFSClient.LOG.debug("Read task returned: {}, for stripe {}",
> r, alignedStripe);
> StripingChunk returnedChunk = alignedStripe.chunks[r.index];
> Preconditions.checkNotNull(returnedChunk);
> Preconditions.checkState(returnedChunk.state == StripingChunk.PENDING);
> if (r.state == StripingChunkReadResult.SUCCESSFUL) {
> returnedChunk.state = StripingChunk.FETCHED;
> alignedStripe.fetchedChunksNum++;
> updateState4SuccessRead(r);
> if (alignedStripe.fetchedChunksNum == dataBlkNum) {
> clearFutures();
> break;
> }
> } else {
> returnedChunk.state = StripingChunk.MISSING;
> // close the corresponding reader
> dfsStripedInputStream.closeReader(readerInfos[r.index]);
> final int missing = alignedStripe.missingChunksNum;
> alignedStripe.missingChunksNum++;
> checkMissingBlocks();
> readDataForDecoding();
> readParityChunks(alignedStripe.missingChunksNum - missing);
> } {code}
> If there are two blocks read failed, the #readDataForDecoding() will be
> called twice;
> The *decodeInputs array* will be initialized twice, and the *parity* *data*
> in decodeInputs array which filled by #readParityChunks will be set to null.
>
>
>
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[jira] [Work logged] (HDFS-16538) EC decoding failed due to not enough valid inputs
[
https://issues.apache.org/jira/browse/HDFS-16538?focusedWorklogId=756362&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-756362
]
ASF GitHub Bot logged work on HDFS-16538:
-
Author: ASF GitHub Bot
Created on: 13/Apr/22 12:52
Start Date: 13/Apr/22 12:52
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on PR #4167:
URL: https://github.com/apache/hadoop/pull/4167#issuecomment-1098014110
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|::|--:|:|::|:---:|
| +0 :ok: | reexec | 0m 45s | | Docker mode activated. |
_ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 1s | | codespell was not available. |
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
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| Subsystem | Report/Notes |
|--:|:-|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
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|
| GITHUB PR | https://github.com/apache/hadoop/pull/4167 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
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| uname | Linux 6a5ad419e32a 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9
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| Test Results |
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[jira] [Work logged] (HDFS-16538) EC decoding failed due to not enough valid inputs
[
https://issues.apache.org/jira/browse/HDFS-16538?focusedWorklogId=756317&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-756317
]
ASF GitHub Bot logged work on HDFS-16538:
-
Author: ASF GitHub Bot
Created on: 13/Apr/22 10:55
Start Date: 13/Apr/22 10:55
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on PR #4167:
URL: https://github.com/apache/hadoop/pull/4167#issuecomment-1097910585
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
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found. |
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any new or modified tests. Please justify why no new tests are needed for this
patch. Also please list what manual steps were performed to verify this patch.
|
_ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 38m 25s | | trunk passed |
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| | | 100m 29s | | |
| Subsystem | Report/Notes |
|--:|:-|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4167/1/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/4167 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell |
| uname | Linux f5521b8832b5 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9
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Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4167/1/testReport/ |
| Max. process+thread count | 543 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client U:
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| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4167/1/console |
[jira] [Work logged] (HDFS-16538) EC decoding failed due to not enough valid inputs
[
https://issues.apache.org/jira/browse/HDFS-16538?focusedWorklogId=756267&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-756267
]
ASF GitHub Bot logged work on HDFS-16538:
-
Author: ASF GitHub Bot
Created on: 13/Apr/22 09:13
Start Date: 13/Apr/22 09:13
Worklog Time Spent: 10m
Work Description: liubingxing opened a new pull request, #4167:
URL: https://github.com/apache/hadoop/pull/4167
We found this error if the #StripeReader.readStripe() have more than one
block read failed.
```
Caused by: org.apache.hadoop.HadoopIllegalArgumentException: No enough valid
inputs are provided, not recoverable
at
org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.checkInputBuffers(ByteBufferDecodingState.java:119)
at
org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.(ByteBufferDecodingState.java:47)
at
org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:86)
at
org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:170)
at
org.apache.hadoop.hdfs.StripeReader.decodeAndFillBuffer(StripeReader.java:462)
at
org.apache.hadoop.hdfs.StatefulStripeReader.decode(StatefulStripeReader.java:94)
at
org.apache.hadoop.hdfs.StripeReader.readStripe(StripeReader.java:406)
at
org.apache.hadoop.hdfs.DFSStripedInputStream.readOneStripe(DFSStripedInputStream.java:327)
at
org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:420)
at
org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:892)
at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
at java.base/java.io.DataInputStream.read(DataInputStream.java:149)
```
```java
while (!futures.isEmpty()) {
try {
StripingChunkReadResult r = StripedBlockUtil
.getNextCompletedStripedRead(service, futures, 0);
dfsStripedInputStream.updateReadStats(r.getReadStats());
DFSClient.LOG.debug("Read task returned: {}, for stripe {}",
r, alignedStripe);
StripingChunk returnedChunk = alignedStripe.chunks[r.index];
Preconditions.checkNotNull(returnedChunk);
Preconditions.checkState(returnedChunk.state == StripingChunk.PENDING);
if (r.state == StripingChunkReadResult.SUCCESSFUL) {
returnedChunk.state = StripingChunk.FETCHED;
alignedStripe.fetchedChunksNum++;
updateState4SuccessRead(r);
if (alignedStripe.fetchedChunksNum == dataBlkNum) {
clearFutures();
break;
}
} else {
returnedChunk.state = StripingChunk.MISSING;
// close the corresponding reader
dfsStripedInputStream.closeReader(readerInfos[r.index]);
final int missing = alignedStripe.missingChunksNum;
alignedStripe.missingChunksNum++;
checkMissingBlocks();
readDataForDecoding();
readParityChunks(alignedStripe.missingChunksNum - missing);
}
```
If there are two blocks read failed, the #readDataForDecoding() will be
called twice;
The **decodeInputs array** will be initialized twice, and the **parity
data** in decodeInputs array which filled by #readParityChunks will be set to
null.
Issue Time Tracking
---
Worklog Id: (was: 756267)
Remaining Estimate: 0h
Time Spent: 10m
> EC decoding failed due to not enough valid inputs
> --
>
> Key: HDFS-16538
> URL: https://issues.apache.org/jira/browse/HDFS-16538
> Project: Hadoop HDFS
> Issue Type: Bug
>Reporter: qinyuren
>Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We found this error if the #StripeReader.readStripe() have more than one
> block read failed.
>
> {code:java}
> Caused by: org.apache.hadoop.HadoopIllegalArgumentException: No enough valid
> inputs are provided, not recoverable
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.checkInputBuffers(ByteBufferDecodingState.java:119)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.(ByteBufferDecodingState.java:47)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:86)
> at
> org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:170)
> at
> org.apache.hadoop.hdfs.StripeReader.decodeAndFillBuffer(StripeReader.java:462)
> at
> org.apache.hadoop.hdfs.StatefulStripeReader.decode(StatefulStripeReader.java:94)
> at
> org.apache.hadoop.hdfs.StripeReader.readStripe(Strip
