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[HDFS-4805] Webhdfs client is fragile to token renewal errors - HDFS - [issue]
...Webhdfs internally acquires a token that will be used for DN-based operations.  The token renewer in common will try to renew that token.  If a renewal fails for any reason, it wil...
http://issues.apache.org/jira/browse/HDFS-4805    Author: Daryn Sharp, 2013-05-20, 17:22
[HDFS-3180] Add socket timeouts to webhdfs - HDFS - [issue]
...WebHDFS connections may indefinitely hang due to no timeouts on the connection.  WebHDFS should be adapted in a similar fashion to HDFS-3166 for hftp....
http://issues.apache.org/jira/browse/HDFS-3180    Author: Daryn Sharp, 2013-05-15, 15:06
[HDFS-4766] Enable NN spnego filters only if kerberos is enabled - HDFS - [issue]
...Counter-part to HADOOP-9516 to only enable SPNEGO if kerberos is enabled....
http://issues.apache.org/jira/browse/HDFS-4766    Author: Daryn Sharp, 2013-04-30, 17:55
[HDFS-4548] Webhdfs doesn't renegotiate SPNEGO token - HDFS - [issue]
...When the webhdfs SPNEGO token expires, the fs doesn't attempt to renegotiate a new SPNEGO token.  This renders webhdfs unusable for daemons that are logged in via a keytab which would a...
http://issues.apache.org/jira/browse/HDFS-4548    Author: Daryn Sharp, 2013-04-26, 03:14
[HDFS-4577] Webhdfs operations should declare if authentication is required - HDFS - [issue]
...Multiple hardcoded conditionals for operations can be avoided in webhdfs if the methods declare if authentication (ie. cannot use a token) is required....
http://issues.apache.org/jira/browse/HDFS-4577    Author: Daryn Sharp, 2013-04-26, 03:14
[HDFS-4567] Webhdfs does not need a token for token operations - HDFS - [issue]
...Webhdfs will implicitly acquire a token to get/renew/cancel other tokens even though it neither needs nor uses the token.  The implicit token triggers a renewer thread for the fs which ...
http://issues.apache.org/jira/browse/HDFS-4567    Author: Daryn Sharp, 2013-04-26, 03:14
[HDFS-4560] Webhdfs cannot use tokens obtained by another user - HDFS - [issue]
...Webhdfs passes UserParam even when a token is being used.  The NN will construct the UGI from the token and error if the UserParam does not match the token's.  This causes problems...
http://issues.apache.org/jira/browse/HDFS-4560    Author: Daryn Sharp, 2013-04-26, 03:14
[HDFS-4649] Webhdfs cannot list large directories - HDFS - [issue]
...Webhdfs returns malformed json for directories that exceed the conf dfs.ls.limit value.  The streaming object returned by  NamenodeWebhdfsMethods#getListingStream will repeatedly c...
http://issues.apache.org/jira/browse/HDFS-4649    Author: Daryn Sharp, 2013-04-26, 03:14
[HDFS-4566] Webdhfs token cancelation should use authentication - HDFS - [issue]
...Webhdfs tries to use its own implicit/internal token to cancel tokens.  However, like getting and renewing a token, cancel should use direct authentication to ensure daemons like yarn's...
http://issues.apache.org/jira/browse/HDFS-4566    Author: Daryn Sharp, 2013-04-26, 03:14
Re: How to connect to hadoop through ssh tunnel and kerberos authentication - HDFS - [mail # user]
...The important part of the error is "Cannot get kdc for realm CORP.EBAY.COM".  Check if the gateway's /etc/krb5.conf has an entry for CORP.EBAY.COM in the [realms] section.  Or if y...
   Author: Daryn Sharp, 2013-04-25, 19:34
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB