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https://issues.apache.org/jira/browse/HDFS-12862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16580794#comment-16580794
 ] 

genericqa commented on HDFS-12862:
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| (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 
24s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 1 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 31m 
 7s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
56s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
15s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
2s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
12m 28s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
56s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
49s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
56s{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} shadedclient {color} | {color:green} 
12m  5s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
46s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 96m 23s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
30s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}164m  3s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hdfs.server.namenode.TestNameNodeMetadataConsistency |
|   | hadoop.hdfs.server.namenode.TestCacheDirectives |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:ba1ab08 |
| JIRA Issue | HDFS-12862 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12935653/HDFS-12862-trunk.003.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux 30072ea31f4f 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14 
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / bdd0e01 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/24780/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/24780/testReport/ |
| Max. process+thread count | 3741 (vs. ulimit of 10000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/24780/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> CacheDirective may invalidata,when NN restart or make a transition to Active.
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-12862
>                 URL: https://issues.apache.org/jira/browse/HDFS-12862
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: caching, hdfs
>    Affects Versions: 2.7.1
>         Environment: 
>            Reporter: Wang XL
>            Priority: Major
>              Labels: patch
>         Attachments: HDFS-12862-branch-2.7.1.001.patch, 
> HDFS-12862-trunk.002.patch, HDFS-12862-trunk.003.patch
>
>
> The logic in FSNDNCacheOp#modifyCacheDirective is not correct.  when modify 
> cacheDirective,the expiration in directive may be a relative expiryTime, and 
> EditLog will serial a relative expiry time.
> {code:java}
> // Some comments here
> static void modifyCacheDirective(
>       FSNamesystem fsn, CacheManager cacheManager, CacheDirectiveInfo 
> directive,
>       EnumSet<CacheFlag> flags, boolean logRetryCache) throws IOException {
>     final FSPermissionChecker pc = getFsPermissionChecker(fsn);
>     cacheManager.modifyDirective(directive, pc, flags);
>     fsn.getEditLog().logModifyCacheDirectiveInfo(directive, logRetryCache);
>   }
> {code}
> But when SBN replay the log ,it will invoke 
> FSImageSerialization#readCacheDirectiveInfo  as a absolute expiryTime.It will 
> result in the inconsistency .
> {code:java}
>   public static CacheDirectiveInfo readCacheDirectiveInfo(DataInput in)
>       throws IOException {
>     CacheDirectiveInfo.Builder builder =
>         new CacheDirectiveInfo.Builder();
>     builder.setId(readLong(in));
>     int flags = in.readInt();
>     if ((flags & 0x1) != 0) {
>       builder.setPath(new Path(readString(in)));
>     }
>     if ((flags & 0x2) != 0) {
>       builder.setReplication(readShort(in));
>     }
>     if ((flags & 0x4) != 0) {
>       builder.setPool(readString(in));
>     }
>     if ((flags & 0x8) != 0) {
>       builder.setExpiration(
>           CacheDirectiveInfo.Expiration.newAbsolute(readLong(in)));
>     }
>     if ((flags & ~0xF) != 0) {
>       throw new IOException("unknown flags set in " +
>           "ModifyCacheDirectiveInfoOp: " + flags);
>     }
>     return builder.build();
>   }
> {code}
> In other words, fsn.getEditLog().logModifyCacheDirectiveInfo(directive, 
> logRetryCache)  may serial a relative expiry time,But  
> builder.setExpiration(CacheDirectiveInfo.Expiration.newAbsolute(readLong(in)))
>    read it as a absolute expiryTime.



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