Administration
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Indexing HDFS Tuning

There are 48 partitions set for the indexing partition.

The following are the batch size settings for the Bro index.

cat ${METRON_HOME}/config/zookeeper/indexing/bro.json
{
"hdfs" : {
"index": "bro",
    "batchSize": 50,
    "enabled" : true
  }...
}  

The following are the settings used for the HDFS indexing topology:

General storm settings

topology.workers: 4
topology.acker.executors: 24
topology.max.spout.pending: 2000

Spout and Bolt Settings

hdfsSyncPolicy
    org.apache.storm.hdfs.bolt.sync.CountSyncPolicy
    constructor arg=100000
hdfsRotationPolicy
    bolt.hdfs.rotation.policy.units=DAYS
    bolt.hdfs.rotation.policy.count=1
kafkaSpout
    parallelism: 24
    session.timeout.ms=29999
    enable.auto.commit=false
    setPollTimeoutMs=200
    setMaxUncommittedOffsets=10000000
    setOffsetCommitPeriodMs=30000
hdfsIndexingBolt
    parallelism: 24