zkcmd-class: Reference class for sending four-letter commands to zookeeper...

In hrbrmstr/zkcmd: Tools to Administer 'Zookeeper' Instances with Four-letter Commands

Description

Reference class for sending four-letter commands to zookeeper instances

Methods

available_commands()

Show available four-letter commands

conf()

Print details about serving configuration.

connect(host = "localhost", port = 2181L, timeout = 30L)

Connect to a Zookeeper instance.

cons()

List full connection/session details for all clients connected to this server.

crst()

Reset connection/session statistics for all conn

dirs()

Shows the total size of snapshot and log files in bytes

dump()

Lists the outstanding sessions and ephemeral nodes. This only works on the leader.

envi()

Print details about serving environment.

gtmk()

Gets the current trace mask as a 64-bit signed long value in decimal format.

initialize(..., host = "localhost", port = 2181L, timeout = 30L)

Initialize a new Zookeeper commander object.

isro()

Tests if server is running in read-only mode.

ruok()

Tests if server is running in a non-error state. The server will respond with imok if it is running. Otherwise it will not respond at all.

send_cmd(cmd)

Issue a four-letter command. Used internally but can also be used to take advantage of new commands before a package update.

srst()

Reset server statistics.

srvr()

Lists full details for the server.

stat()

Lists brief details for the server and connected clients.

wchc()

Lists detailed information on watches for the server, by session.

wchp()

Lists detailed information on watches for the server, by path.

wchs()

Lists brief information on watches for the server.

Note

Currently supports NIO Zookeeper instances.

Examples

## Not run: 
zk <- zkcmd$new()
zk$ruok()

## End(Not run)

hrbrmstr/zkcmd documentation built on May 17, 2019, 5:54 p.m.