GettingStarted Properties

Property Name

Default value

Description

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bsp.master.address

hostname

The address of the bsp master server. Either the literal string "local" or a host[:port] (where host is a name or IP address) for distributed mode.

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bsp.master.port

40000

The port master should bind to.

bsp.peer.port

61000

The port an groom server binds to.

bsp.groom.rpc.port

50000

The port an groom rpc binds to.

bsp.http.infoserver.port

40013

The port where the web-interface can be seen.

bsp.groom.report.address

127.0.0.1:0

The interface and port that groom server listens on.

bsp.system.dir

${hadoop.tmp.dir}/bsp/system

The shared directory where BSP stores control files.

bsp.local.dir

${hadoop.tmp.dir}/bsp/local

local directory for temporal store.

hama.tmp.dir

/tmp/hama-${user.name}

Temporary directory on the local filesystem.

bsp.child.java.opts

-Xmx1024m

Java opts for the groom server child processes.

bsp.local.tasks.maximum

20

Number of tasks that run in parallel when in local mode.

hama.zookeeper.property.clientPort

21810

Property from ZooKeeper's config zoo.cfg. The port at which the clients will connect.

hama.zookeeper.session.timeout

1200000

The zookeeper session timeout.

bsp.checkpoint.enabled

false

Enable Hama to checkpoint the messages transferred among BSP tasks during the BSP synchronization period.

bsp.checkpoint.interval

1

If bsp.checkpoint.enabled is set to true, the checkpointing is initiated on the valueth synchronization process of BSP tasks.

hama.messenger.compression.class

org.apache.hama.bsp.message.compress.SnappyCompressor

The message compressor class.

hama.messenger.class

org.apache.hama.bsp.message.AvroMessageManagerImpl

The RPC service class.

bsp.groomserver.pingperiod

5000

The default timeout period for checking groom server health.