I agree with what Anoop said here, just because they are scans, it doesn't
make a lot of sense to turn off your block cache. Are you trying to save
memory? As for the memstore global limits, you will want to set those to
something like
upper .11
lower .10
You have to leave at the minimum .10,
So you use Bulk load with HFileOpFormat for writing data? Then you can
reduce the hbase.regionserver.global.memstore.upperLimit and
hbase.regionserver.global.memstore.lowerLimit and give more heap % for the
block cache. Not getting why u try to reduce that also.
-Anoop-
On Thu, Nov 28, 2013 a
Hi!
We are using HBase 0.92.1-cdh4.1.1. To import data the only way we use is
bulk load. And our common access pattern is sequential scans of different
parts of the tables.
Since that we are considering to disable block cache by setting
hbase.block.cache.size to zero.
But We've found following in
