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[YARN-3289] Docker images should be downloaded during localization - YARN - [issue]
...We currently call docker run on images while launching containers. If the image size if sufficiently big, the task will timeout. We should download the image we want to run during localizati...
http://issues.apache.org/jira/browse/YARN-3289    Author: Ravi Prakash , 2018-04-04, 12:27
  
[YARN-7450] ATS Client should retry on intermittent Kerberos issues. - YARN - [issue]
...We saw a stack trace (posted in the first comment) in the ResourceManager logs for the TimelineClientImpl not being able to relogin from keytab.I'm guessing there was an intermittent issue t...
http://issues.apache.org/jira/browse/YARN-7450    Author: Ravi Prakash , 2018-04-02, 11:36
  
[HADOOP-14597] Native compilation broken with OpenSSL-1.1.0 because EVP_CIPHER_CTX has been made opaque - Hadoop - [issue]
...Trying to build Hadoop trunk on Fedora 26 which has openssl-devel-1.1.0 fails with this error[WARNING] /home/raviprak/Code/hadoop/trunk/hadoop-common-project/hadoop-common/src/main/native/sr...
http://issues.apache.org/jira/browse/HADOOP-14597    Author: Ravi Prakash , 2018-01-11, 19:27
  
YARN Auth issue - Hadoop - [mail # user]
...Hi Yaniv!The project looks interesting. Good luck! Sorry about the late reply."HADOOP_HOME or hadoop.home.dir are not set." indicates that theenvironment variable has either not been set or ...
   Author: Ravi Prakash , 2017-12-04, 17:23
  
PendingDeletionBlocks immediately after Namenode failover - Hadoop - [mail # user]
...Hi Michael!Thank you for the report. I'm sorry I don't have advice other than thegeneric advice, like please try a newer version of Hadoop (sayHadoop-2.8.2) . You seem to already know that t...
   Author: Ravi Prakash , 2017-11-13, 17:26
  
[HDFS-7767] Use the noredirect flag in WebHDFS to allow web browsers to upload files via the NN UI - HDFS - [issue]
...This subtask would use the functionality provided in HDFS-7766 to allow files to be uploaded to HDFS via a Web-browser. (These include the changes to the HTML5 and javascript code)...
http://issues.apache.org/jira/browse/HDFS-7767    Author: Ravi Prakash , 2017-11-07, 20:07
  
[expand - 3 more] [collapse] - [DISCUSSION] Merging HDFS-7240 Object Store (Ozone) to trunk - Hadoop - [mail # dev]
...Hi folks!Thank you for sharing the design docs and the tremendous amount of workthat has gone into Ozone. I'm grateful that atleast someone is trying todrastically improve HDFS.*If* there is...
   Author: Ravi Prakash , 2017-11-03, 21:40
  
[DISCUSSION] Merging HDFS-7240 Object Store (Ozone) to trunk - HDFS - [mail # dev]
...Hi folks!Thank you for sharing the design docs and the tremendous amount of workthat has gone into Ozone. I'm grateful that atleast someone is trying todrastically improve HDFS.*If* there is...
   Author: Ravi Prakash , 2017-11-03, 21:40
[DISCUSSION] Merging HDFS-7240 Object Store (Ozone) to trunk - MapReduce - [mail # dev]
...Hi folks!Thank you for sharing the design docs and the tremendous amount of workthat has gone into Ozone. I'm grateful that atleast someone is trying todrastically improve HDFS.*If* there is...
   Author: Ravi Prakash , 2017-11-03, 21:40
[DISCUSSION] Merging HDFS-7240 Object Store (Ozone) to trunk - YARN - [mail # dev]
...Hi folks!Thank you for sharing the design docs and the tremendous amount of workthat has gone into Ozone. I'm grateful that atleast someone is trying todrastically improve HDFS.*If* there is...
   Author: Ravi Prakash , 2017-11-03, 21:40
[expand - 1 more] [collapse] - Vulnerabilities to UserGroupInformation / credentials in a Spark Cluster - Hadoop - [mail # user]
...Hi Blaze!Thanks for the link, although it did not have anything I didn't alreadyknow. I'm afraid I don't quite follow what your concern is here. The filesare protected using UNIX permissions...
   Author: Ravi Prakash , 2017-10-31, 22:49
  
Vulnerabilities to UserGroupInformation / credentials in a Spark Cluster - Hadoop - [mail # user]
...Hi Blaze!Thanks for digging into this. I'm sure security related features could usemore attention. Tokens for one user should be isolated from other users.I'm sorry I don't know how spark us...
   Author: Ravi Prakash , 2017-10-30, 20:15
[expand - 2 more] [collapse] - Unable to append to a file in HDFS - Hadoop - [mail # user]
...HI Tarik!I'm glad you were able to diagnose your issue. Thanks for sharing with theuser list. I suspect your writer may have set minimum replication to 3, andsince you have only 2 datanodes,...
   Author: Ravi Prakash , 2017-10-31, 22:32
  
Unable to append to a file in HDFS - Hadoop - [mail # user]
...Hi Tarik!You're welcome! If you look at the namenode logs, do you see a "DIR*NameNode.complete: "  message ? It should have been written when the firstclient called close().CheersRaviOn...
   Author: Ravi Prakash , 2017-10-30, 20:19
Unable to append to a file in HDFS - Hadoop - [mail # user]
...Hi Tarik!The lease is owned by a client. If you launch 2 client programs, they willbe viewed as separate (even though the user is same). Are you sure youclosed the file when you first wrote ...
   Author: Ravi Prakash , 2017-10-30, 20:08
[expand - 1 more] [collapse] - Re: - Hadoop - [mail # user]
...And one of the good things about open-source projects like Hadoop, you canread all about why :-) : https://issues.apache.org/jira/browse/HADOOP-4952Enjoy!RaviOn Mon, Oct 30, 2017 at 11:54 AM...
   Author: Ravi Prakash , 2017-10-30, 18:57
  
Re: - Hadoop - [mail # user]
...Hi Doris!FileContext was created to overcome some of the limitations that we learnedFileSystem had after a lot of experience. Unfortunately, a lot of code (i'mguessing maybe even the majorit...
   Author: Ravi Prakash , 2017-10-30, 18:54
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