The generation of HFile is happened in the "Convert to HFile" step, which
is an MR job, won't block HBase normal tasks.

The HBase BulkLoad on HDFS should be very fast (second level), as it is
just a move operation.

For your case, is your HBase running with another HDFS other than the
default HDFS?


2017-10-13 16:16 GMT+08:00 yu feng <[email protected]>:

> A very big cube, such as cube size id bigger than 1TB will block hbase's
> normal operation when doing the BulkLoad job (because the job will write to
> much data to HDFS), such as kylin metadata operation/ query. especially
> when the cube's merge job maybe write to hbase N TB in a mr job.
>
> Has anyone met the problem?
>



-- 
Best regards,

Shaofeng Shi 史少锋

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