About zzeng

akshathakar · ‎11-12-2021

You can spill to disk in case maximum memory per node limit is crossed. https://docs.qubole.com/en/latest/admin-guide/engine-admin/presto-admin/spill-disk-config.html Hope it helps!

VidyaSargur · ‎07-29-2021

@Sam2020, Has the reply helped resolve your issue? If so, please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future.

zzeng · ‎04-20-2021

Here is a URL, written by David W. Streever https://www.streever.com/post/2019/filter-hive-compactions/ It's not official steps. All the ‘extras’ you create against the metastore DB can/may break with the next release. This isn’t a supported method of accessing metadata.

zzeng · ‎01-26-2021

https://nifi.apache.org/docs/nifi-docs/components/nifi-docs/components/org.apache.nifi/nifi-gcp-nar/1.9.0/org.apache.nifi.processors.gcp.bigquery.PutBigQueryBatch/index.html With this processor, you can do Batch loads flow files content to a Google BigQuery table.

moises_c · ‎11-26-2020

Thanks, you saved my day. Its also useful for merging multiple json files in a single jsonlines file. cool!!

Srm · ‎09-02-2019

What are the impacts on other ports if I change from TCP6 to TCP? And will my Ambari server work on TCP?

zzeng · ‎10-10-2018

Hi @Jeff Storck, Thanks for telling me this. > To create an HDF cluster with Cloudbreak, a KDC must be configured After using a test KDC , the CB 2.7 can provision HDF 3.1 successfully.

zzeng · ‎09-30-2018

Got error [User home directory not found] when creating WorkFlow Manager view in Ambari Resolve: sudo -u hdfs hdfs dfs -mkdir /user/admin sudo -u hdfs hdfs dfs -chown admin /user/admin Resule:

zzeng · ‎07-27-2019

It worked. Thanks!

zzeng · ‎03-21-2018

In Zeppelin 0.7.0 Document, it is said that library should use 0.13. Reference : How to execute HIVE LLAP queries from Zeppelin in HDP 2.6.1 Hive Interpreter for Apache Zeppelin However it is too old. For LLAP, it need to be newer one. Properties : hive2.driver = org.apache.hive.jdbc.HiveDriver hive2.url = < can be obtained from ambari. check HiveServer2 Interactive JDBC URL > eg. hive2.url = jdbc:hive2://zzeng-hdp-3.example.com:2181,zzeng-hdp-1.example.com:2181,zzeng-hdp-2.example.com:2181/;serviceDiscoveryMode=zooKeeper;zooKeeperNamespace=hiveserver2-hive2 Dependencies : org.apache.hive:hive-jdbc:2.2.0 org.apache.hadoop:hadoop-common:2.6.0 With this setting, I can access Hive LLAP now:

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