Cloudera Docs

Configure BucketCache IO engine

You must configure the BucketCache IO engine using Cloudera Manager.

Set the value offheap and file:PATH

  1. In Cloudera Manager select the HBase service and go to Configuration.
  2. Search for BucketCache IOEngine and set it to the required value.

Set the value mmap:PATH and pmem:PATH

  1. In Cloudera Manager select the HBase service and go to Configuration.
  2. Search for RegionServer Advanced Configuration Snippet (Safety Valve) for hbase-site.xml.
  3. Click the plus icon.
  4. Set the required value:
    • Name: Add hbase.bucketcache.ioengine.
    • Value: Add either mmap:PATH: or pmem:PATH.