Hi Amanda,

Thanks for bringing this up. Especially the 'why' aspect. This will be good
input for the documentation.

Best regards,

Pierre Smits

ORRTIZ.COM <http://www.orrtiz.com>
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OFBiz Extensions Marketplace
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On Mon, May 2, 2016 at 10:54 PM, Amanda Moran <[email protected]>
wrote:

> Hi there All-
>
> I have been looking over the HDFS/HBase/Zookeeper settings that get set in
> the installer and I am wondering if they are all still needed.
>
> If you have requested a setting in the past, could you please add a
> description of why it is needed (and if it is still needed)?
>
> Thanks a bunch!
>
> **Note: I know this would have looked much better in a spreadsheet.... but
> I want to make sure everyone can see... and email is the best for that!
>
> *HDFS Settings*
>
> Name: namenode_java_heapsize
> Value: 1GB (or 1073741824 bytes)
> Why:
> Still needed:
>
> Name: secondary_namenode_java_heapsize
> Value: 1 GB (or 1073741824 bytes)
> Why:
> Still needed:
>
> Name: dfs_namenode_acls_enabled
> Value: true
> Why:
> Still needed:
>
> *HBase Master Settings*
>
> =HBase Master Config Safety Valve=
>
> Name: hbase_master_distributed_log_splitting
> Value: false
> Why:
> Still needed:
>
> Name: hbase_snapshot_master_timeoutMillis
> Value: 600000
> Why:
> Still needed:
>
> *HBase Region Server Settings *
>
> Name: hbase_coprocessor_region_classes
> Value:
> "org.apache.hadoop.hbase.coprocessor.transactional.TrxRegionObserver,org.apache.hadoop.hbase.coprocessor.transactional.TrxRegionEndpoint,org.apache.hadoop.hbase.coprocessor.AggregateImplementation"
> Why:
> Still needed:
>
> Name: hbase_regionserver_lease_period
> Value: 600000
> Why:
> Still Needed:
>
> =HBase RegionServer Config Safety Valve=
>
> Name: hbase.hregion.impl
> Value:
> org.apache.hadoop.hbase.regionserver.transactional.TransactionalRegion
> Why:
> Still Needed:
>
> Name: hbase.regionserver.region.split.policy
> Value: org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy
> Why:
> Still Needed:
>
> Name: hbase.snapshot.enabled
> Value: true
> Why:
> Still Needed:
>
> Name: hbase.bulkload.staging.dir
> Value: /hbase-staging
> Why:
> Still Needed:
>
> Name: hbase.regionserver.region.transactional.tlog
> Value: true
> Why:
> Still Needed:
>
> Name: hbase.snapshot.region.timeout
> Value: 600000
> Why:
> Still Needed:
>
> *Zookeeper Settings*
>
> Name: maxClientCnxns
> Value: 0
> Why:
> Still Needed:
>
> --
> Thanks,
>
> Amanda Moran
>

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