[jira] [Commented] (HDFS-15196) RouterRpcServer getListing cannot list large dirs correctly

2020-02-27 Thread Hadoop QA (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17047165#comment-17047165
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Hadoop QA commented on HDFS-15196:
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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 
53s{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 4 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
14s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 22m 
32s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 16m 
55s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
41s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
20m 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}  4m 
10s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
49s{color} | {color:green} trunk passed {color} |
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| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 22m 
52s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 22m 
52s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
3m 20s{color} | {color:orange} root: The patch generated 1 new + 6 unchanged - 
0 fixed = 7 total (was 6) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
34s{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} 
17m 43s{color} | {color:green} patch has no errors when building and testing 
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m 
37s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
58s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 17m 35s{color} 
| {color:red} hadoop-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 18m 42s{color} 
| {color:red} hadoop-hdfs-rbf in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
58s{color} | {color:green} The patch does not generate ASF License warnings. 
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| {color:black}{color} | {color:black} {color} | {color:black}164m  9s{color} | 
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|| Reason || Tests ||
| Failed junit tests | hadoop.metrics2.source.TestJvmMetrics |
|   | hadoop.ipc.TestRetryCache |
|   | hadoop.hdfs.server.federation.router.TestRouterQuota |
|   | hadoop.hdfs.server.federation.router.TestRouterMultiRack |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.6 Server=19.03.6 Image:yetus/hadoop:c44943d1fc3 |
| JIRA Issue | HDFS-15196 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12994827/HDFS-15196.001.patch |
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  
mvnsite  unit  shadedclient  findbugs  checkstyle  |
| uname | Linux b09a3dd8905f 4.15.0-74-generic #84-Ubuntu SMP Thu Dec 19 
08:06:28 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git 

[jira] [Commented] (HDFS-15196) RouterRpcServer getListing cannot list large dirs correctly

2020-02-27 Thread Chao Sun (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17047074#comment-17047074
 ] 

Chao Sun commented on HDFS-15196:
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Patch LGTM but will be great if [~elgoiri] or others who're familiar with RBF 
can take a look.

> RouterRpcServer getListing cannot list large dirs correctly
> ---
>
> Key: HDFS-15196
> URL: https://issues.apache.org/jira/browse/HDFS-15196
> Project: Hadoop HDFS
>  Issue Type: Bug
>Reporter: Fengnan Li
>Assignee: Fengnan Li
>Priority: Critical
> Attachments: HDFS-15196.001.patch
>
>
> In RouterRpcServer, getListing function is handled as two parts:
>  # Union all partial listings from destination ns + paths
>  # Append mount points for the dir to be listed
> In the case of large dir which is bigger than DFSConfigKeys.DFS_LIST_LIMIT 
> (with default value 1k), the batch listing will be used and the startAfter 
> will be used to define the boundary of each batch listing. However, step 2 
> here will add existing mount points, which will mess up with the boundary of 
> the batch, thus making the next batch startAfter wrong.
> The fix is just to append the mount points when there is no more batch query 
> necessary.



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[jira] [Commented] (HDFS-15196) RouterRpcServer getListing cannot list large dirs correctly

2020-02-27 Thread Chao Sun (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17047069#comment-17047069
 ] 

Chao Sun commented on HDFS-15196:
-

Thanks Fengnan for the patch. Raising this to Critical since it is a 
correctness issue.

> RouterRpcServer getListing cannot list large dirs correctly
> ---
>
> Key: HDFS-15196
> URL: https://issues.apache.org/jira/browse/HDFS-15196
> Project: Hadoop HDFS
>  Issue Type: Bug
>Reporter: Fengnan Li
>Assignee: Fengnan Li
>Priority: Critical
> Attachments: HDFS-15196.001.patch
>
>
> In RouterRpcServer, getListing function is handled as two parts:
>  # Union all partial listings from destination ns + paths
>  # Append mount points for the dir to be listed
> In the case of large dir which is bigger than DFSConfigKeys.DFS_LIST_LIMIT 
> (with default value 1k), the batch listing will be used and the startAfter 
> will be used to define the boundary of each batch listing. However, step 2 
> here will add existing mount points, which will mess up with the boundary of 
> the batch, thus making the next batch startAfter wrong.
> The fix is just to append the mount points when there is no more batch query 
> necessary.



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