log4j.properties.erb

#
# ZooKeeper Logging Configuration
#

# Format is "<default threshold> (, <appender>)+

log4j.rootLogger=${zookeeper.root.logger}, logstashSocket

# Example: console appender only
# log4j.rootLogger=INFO, CONSOLE

# Example with rolling log file
#log4j.rootLogger=DEBUG, CONSOLE, ROLLINGFILE

# Example with rolling log file and tracing
#log4j.rootLogger=TRACE, CONSOLE, ROLLINGFILE, TRACEFILE

#
# Log INFO level and above messages to the console
#
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Threshold=INFO
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} - %-5p [%t:%C{1}@%L] - %m%n

#
# Add ROLLINGFILE to rootLogger to get log file output
#    Log DEBUG level and above messages to a log file
log4j.appender.ROLLINGFILE=org.apache.log4j.RollingFileAppender
log4j.appender.ROLLINGFILE.Threshold=<%= @rollingfile_threshold %>
log4j.appender.ROLLINGFILE.File=${zookeeper.log.dir}/zookeeper.log

# Max log file size of 10MB
log4j.appender.ROLLINGFILE.MaxFileSize=10MB
# uncomment the next line to limit number of backup files
#log4j.appender.ROLLINGFILE.MaxBackupIndex=10

log4j.appender.ROLLINGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.ROLLINGFILE.layout.ConversionPattern=%d{ISO8601} - %-5p [%t:%C{1}@%L] - %m%n


#
# Add TRACEFILE to rootLogger to get log file output
#    Log DEBUG level and above messages to a log file
log4j.appender.TRACEFILE=org.apache.log4j.FileAppender
log4j.appender.TRACEFILE.Threshold=<%= @tracefile_threshold %>
log4j.appender.TRACEFILE.File=${zookeeper.log.dir}/zookeeper_trace.log

log4j.appender.TRACEFILE.layout=org.apache.log4j.PatternLayout
### Notice we are including log4j's NDC here (%x)
log4j.appender.TRACEFILE.layout.ConversionPattern=%d{ISO8601} - %-5p [%t:%C{1}@%L][%x] - %m%n
log4j.appender.logstashSocket=org.apache.log4j.net.SocketAppender
log4j.appender.logstashSocket.port=4561
log4j.appender.logstashSocket.remoteHost=127.0.0.1

zoo.cfg.erb

 # http://hadoop.apache.org/zookeeper/docs/current/zookeeperAdmin.html

# The number of milliseconds of each tick
tickTime=<%= @tick_time %>
# The number of ticks that the initial
# synchronization phase can take
initLimit=<%= @init_limit %>
# The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit=<%= @sync_limit %>
# the directory where the snapshot is stored.
dataDir=<%= @datastore %>
# Place the dataLogDir to a separate physical disc for better performance
<% if @datalogstore -%>
dataLogDir=<%= @datalogstore %>
<% else -%>
# dataLogDir=/disk2/zookeeper
<% end -%>

# the port at which the clients will connect
clientPort=<%= @client_port %>
<% if @client_ip != '0.0.0.0' -%>
clientPortAddress=<%= @client_ip %>
<% end -%>

# specify all zookeeper servers
# The fist port is used by followers to connect to the leader
# The second one is used for leader election
#server.1=zookeeper1:2888:3888
#server.2=zookeeper2:2888:3888
#server.3=zookeeper3:2888:3888
<% i = 1 -%>
<% @servers.each_with_index do |h, i| -%>
<% if @observers.include? h -%>
<% observer_text=':observer' -%>
<% end -%>
<%= "server.#{i+1}=#{h}:%s:%s%s" % [ @election_port, @leader_port, observer_text ] %>
<% end -%>

# To avoid seeks ZooKeeper allocates space in the transaction log file in
# blocks of preAllocSize kilobytes. The default block size is 64M. One reason
# for changing the size of the blocks is to reduce the block size if snapshots
# are taken more often. (Also, see snapCount).
#preAllocSize=65536

# Clients can submit requests faster than ZooKeeper can process them,
# especially if there are a lot of clients. To prevent ZooKeeper from running
# out of memory due to queued requests, ZooKeeper will throttle clients so that
# there is no more than globalOutstandingLimit outstanding requests in the
# system. The default limit is 1,000.ZooKeeper logs transactions to a
# transaction log. After snapCount transactions are written to a log file a
# snapshot is started and a new transaction log file is started. The default
# snapCount is 10,000.
snapCount=<%= @snap_count %>

# If this option is defined, requests will be will logged to a trace file named
# traceFile.year.month.day.
#traceFile=

# Leader accepts client connections. Default value is "yes". The leader machine
# coordinates updates. For higher update throughput at thes slight expense of
# read throughput the leader can be configured to not accept clients and focus
# on coordination.
<% if @leader -%>
leaderServes=yes
<% else -%>
leaderServes=no
<% end -%>

# Since 3.4.0: When enabled, ZooKeeper auto purge feature retains the autopurge.
# snapRetainCount most recent snapshots and the corresponding transaction logs
# in the dataDir and dataLogDir respectively and deletes the rest.
# Defaults to 3. Minimum value is 3.
autopurge.snapRetainCount=<%= @snap_retain_count %>

# Since 3.4.0: The time interval in hours for which the purge task has to be
# triggered. Set to a positive integer (1 and above) to enable the auto purging.
# Defaults to 0.
autopurge.purgeInterval=<%= @purge_interval %>

# Maximum allowed connections
maxClientCnxns=<%= @max_allowed_connections %>

<% if @peer_type != 'UNSET' -%>
# Zookeeper peer type
peerType=<%= @peer_type %>
<% end -%>