About vincentD

Chella · ‎10-06-2021

@vincentD I hope it helped to resolve your issue, Regarding your query on upgrading CDH 6.3.4 to new software version. Please explore the below CDP Path. https://docs.cloudera.com/cdp-private-cloud-upgrade/latest/release-guide/topics/cdpdc-release-notes-links.html https://docs.cloudera.com/cdp-private-cloud-upgrade/latest/release-guide/topics/cm-cdh-runtime-versions.html https://docs.cloudera.com/cdp-private-cloud/latest/release-summaries/topics/announcement-202108-717.html https://docs.cloudera.com/cdp-private-cloud/latest/index.html Cheers! Was your question answered? Make sure to mark the answer as the accepted solution. If you find a reply useful, say thanks by clicking on the thumbs up button.

vincentD · ‎06-03-2020

Hi paras, you are very helpful. The error disappears now after making the configuration modification as you suggested. Thank you!

vincentD · ‎05-19-2020

Hi paras, resetting the hostnames to long names got me moving forward again. Thank you!

Harsh J · ‎05-23-2019

For HBase MOBs, this can serve as a good starting point as most of the changes are administrative and the writer API remains the same as regular cells: https://www.cloudera.com/documentation/enterprise/latest/topics/admin_hbase_mob.html For SequenceFiles, a good short snippet can be found here: https://github.com/sakserv/sequencefile-examples/blob/master/test/main/java/com/github/sakserv/sequencefile/SequenceFileTest.java#L65-L70 and for Parquet: https://github.com/apache/parquet-mr/blob/master/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/example/ExampleParquetWriter.java More general reading for the file formats: https://blog.cloudera.com/blog/2011/01/hadoop-io-sequence-map-set-array-bloommap-files/ and https://parquet.apache.org/documentation/latest/

Harsh J · ‎05-07-2019

Depends on what you mean by 'storage locations'. If you mean "can other apps use HDFS?" then the answer is yes, as HDFS is an independent system unrelated to YARN and has its own access and control mechanisms not governed by a YARN scheduler. If you mean "can other apps use the scratch space on NM nodes" then the answer is no, as only local containers get to use that. If you're looking to strictly split both storage and compute, as opposed to just some form of compute, then it may be better to divide up the cluster entirely.

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