-
Configure alloted ram for Demon currently requires a 512mb container to function as 448mb goes to the JMemcachD Deamon
-
Getting containers that die to automatically restart
-
Get the Application Master to restart if it dies
-
Management of the clients. Currently I have to kill clients through the YARN Cli.
`yarn application -kill [app#] ` -
Adding in unit tests and sample/test applications
-
Client Memcached system notification if a server daemon dies.
-
Have MOYA clean things up if the AM dies or is exited.
-
Configure Evition Policy, currently set as FIFO
-
Configure Number of Keys to handle, currently set at 1million per Daemon
-
Migrate paramaters to configeration file
yarn jar [MOYA-CLIENT jar] org.moya.core.yarn.Client
usage: Client
-appname <arg> Optional: Application Name. Default value - MoYa
-container_memory <arg> Recommended: Amount of memory in MB to be requested to run
the shell command - Defaults to 10, Recommended is 512.
-debug Optional: Dump out debug information
-help Optional: Print usage
-jar <arg> Required: Jar file containing the application master - MOYA-CLIENT jar
-lib <arg> Required: Runnable Jar with MOYA inside - MOYA-SERVER jar
-log_properties <arg> Optional: log4j.properties file
-master_memory <arg> Recommended: Amount of memory in MB to be requested to run
the application master - Defaults to 10, Recommended is 128
-moya_priority <arg> Optional: Priority for the MOYA containers - Defaults to 0
-num_containers <arg> Recommended: No. of containers on which the shell command
needs to be executed, Defaults to 1
-priority <arg> Optional: Application Priority - Default 0
-queue <arg> Optional: RM Queue in which this application is to be
submitted - Defaults to 'default'
-ZK <arg> Required: Comma seperated list of ZK hosts ie -
host1:port,host2:port
sudo -u hdfs
yarn jar MOYA-CLIENT-0.0.1-SNAPSHOT-jar-with-dependencies.jar org.moya.core.yarn.Client
-jar MOYA-CLIENT-0.0.1-SNAPSHOT-jar-with-dependencies.jar
-lib MOYA-SERVER-0.0.1-SNAPSHOT-jar-with-dependencies.jar
-num_containers 10
-container_memory 512
-ZK 192.168.17.52:2181
The Client jar also includes the MOYABeatDown class which will load up some KV Pairs and Then get them.
org.moya.core.memcached.MOYABeatDown [ZKServerList] [#ofKeysToMake] [OffsetWhenGettingKeys]
- Example which will create 1% misses
java -cp MOYA-CLIENT-0.0.1-SNAPSHOT-jar-with-dependencies.jar org.moya.core.memcached.MOYABeatDown 192.168.17.52:2181 100000 1000
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