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Cassandraをapt-getでインストールする

🗃 {Middleware/NoSQL/Cassandra}
🗓 Updated at 2010-06-23T18:03:32Z  🗓 Created at 2010-06-23T18:03:32Z   🌎 English Page

http://www.apache.org/dist/cassandra/debian/ にレポジトリがあったのでapt-getしてみます。
動作環境はubuntu-server 10.04 64bit (on eucalyptus)です。

/etc/apt/sources.listに次の2行を追加します。

deb http://www.apache.org/dist/cassandra/debian unstable main
deb-src http://www.apache.org/dist/cassandra/debian unstable main

反映。

$ sudo apt-get update
[途中略]
W: GPG error: http://www.apache.org unstable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F758CE318D77295D

とGPGエラーが出ました。ぐぐったところ、以下を実行するとおkのようです(この辺詳しくないのでおかしかったら突っ込んでください)。

$ gpg --keyserver wwwkeys.eu.pgp.net --recv-keys F758CE318D77295D
$ sudo apt-key add ~/.gnupg/pubring.gpg
$ sudo apt-get update

これでapt-getできます。

$ apt-cache search cassandra
cassandra - distributed storage system for structured data
$ sudo apt-get install cassandra

起動は

$ sudo /etc/init.d/cassandra start

で。2010/06/24時点で0.6.2がインストールされます。cassandra-cliも使えます。

apt-getで取得できるファイル一覧の見方を忘れたので、とりあえずlocateの結果だけ貼っておきます。

$ locate cassandra
/etc/cassandra
/etc/cassandra/log4j.properties
/etc/cassandra/storage-conf.xml
/etc/default/cassandra
/etc/init.d/cassandra
/etc/rc0.d/K20cassandra
/etc/rc1.d/K20cassandra
/etc/rc2.d/S20cassandra
/etc/rc3.d/S20cassandra
/etc/rc4.d/S20cassandra
/etc/rc5.d/S20cassandra
/etc/rc6.d/K20cassandra
/home/ubuntu/.cassandra.history
/usr/bin/cassandra-cli
/usr/sbin/cassandra
/usr/share/cassandra
/usr/share/cassandra/antlr-3.1.3.jar
/usr/share/cassandra/apache-cassandra-.jar
/usr/share/cassandra/apache-cassandra.jar
/usr/share/cassandra/avro-1.2.0-dev.jar
/usr/share/cassandra/cassandra.in.sh
/usr/share/cassandra/clhm-production.jar
/usr/share/cassandra/commons-cli-1.1.jar
/usr/share/cassandra/commons-codec-1.2.jar
/usr/share/cassandra/commons-collections-3.2.1.jar
/usr/share/cassandra/commons-lang-2.4.jar
/usr/share/cassandra/google-collections-1.0.jar
/usr/share/cassandra/hadoop-core-0.20.1.jar
/usr/share/cassandra/high-scale-lib.jar
/usr/share/cassandra/jackson-core-asl-1.4.0.jar
/usr/share/cassandra/jackson-mapper-asl-1.4.0.jar
/usr/share/cassandra/jline-0.9.94.jar
/usr/share/cassandra/json-simple-1.1.jar
/usr/share/cassandra/libthrift-r917130.jar
/usr/share/cassandra/log4j-1.2.14.jar
/usr/share/cassandra/slf4j-api-1.5.8.jar
/usr/share/cassandra/slf4j-log4j12-1.5.8.jar
/usr/share/doc/cassandra
/usr/share/doc/cassandra/CHANGES.txt.gz
/usr/share/doc/cassandra/DISCLAIMER.txt
/usr/share/doc/cassandra/NEWS.txt.gz
/usr/share/doc/cassandra/README.Debian
/usr/share/doc/cassandra/README.txt
/usr/share/doc/cassandra/TODO
/usr/share/doc/cassandra/changelog.gz
/usr/share/doc/cassandra/copyright
/usr/share/doc/cassandra/licenses
/usr/share/doc/cassandra/licenses/antlr-3.1.3.txt
/usr/share/doc/cassandra/licenses/avro-1.2.0-dev.txt.gz
/usr/share/doc/cassandra/licenses/clhm-production.txt.gz
/usr/share/doc/cassandra/licenses/commons-cli-1.1.txt.gz
/usr/share/doc/cassandra/licenses/commons-codec-1.2.txt.gz
/usr/share/doc/cassandra/licenses/commons-collections-3.2.1.txt.gz
/usr/share/doc/cassandra/licenses/commons-lang-2.4.txt.gz
/usr/share/doc/cassandra/licenses/google-collections-1.0.txt.gz
/usr/share/doc/cassandra/licenses/hadoop-core-0.20.1.txt.gz
/usr/share/doc/cassandra/licenses/high-scale-lib.txt
/usr/share/doc/cassandra/licenses/jackson-core-asl-1.4.0.txt.gz
/usr/share/doc/cassandra/licenses/jackson-mapper-asl-1.4.0.txt.gz
/usr/share/doc/cassandra/licenses/jline-0.9.94.txt
/usr/share/doc/cassandra/licenses/json-simple-1.1.txt.gz
/usr/share/doc/cassandra/licenses/libthrift-r917130.txt.gz
/usr/share/doc/cassandra/licenses/log4j-1.2.14.txt.gz
/usr/share/doc/cassandra/licenses/slf4j-api-1.5.8.txt
/usr/share/doc/cassandra/licenses/slf4j-log4j12-1.5.8.txt
/var/cache/apt/archives/cassandra_0.6.2_all.deb
/var/lib/cassandra
/var/lib/apt/lists/www.apache.org_dist_cassandra_debian_dists_unstable_Release
/var/lib/apt/lists/www.apache.org_dist_cassandra_debian_dists_unstable_Release.gpg
/var/lib/apt/lists/www.apache.org_dist_cassandra_debian_dists_unstable_main_binary-amd64_Packages
/var/lib/apt/lists/www.apache.org_dist_cassandra_debian_dists_unstable_main_source_Sources
/var/lib/cassandra/commitlog
/var/lib/cassandra/data
/var/lib/dpkg/info/cassandra.conffiles
/var/lib/dpkg/info/cassandra.list
/var/lib/dpkg/info/cassandra.md5sums
/var/lib/dpkg/info/cassandra.postinst
/var/lib/dpkg/info/cassandra.postrm
/var/lib/dpkg/info/cassandra.prerm
/var/lib/update-rc.d/cassandra
/var/log/cassandra
/var/log/cassandra/output.log
/var/log/cassandra/system.log

ちなみに起動スクリプトはこんな感じ。JXMのポートが8080で決め打ちですね。。。

#! /bin/sh
### BEGIN INIT INFO
# Provides:          cassandra
# Required-Start:    $remote_fs
# Required-Stop:     $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: distributed storage system for structured data
# Description:       Cassandra is a distributed (peer-to-peer) system for
#                    the management and storage of structured data.
### END INIT INFO

Author: Eric Evans eevans@racklabs.com

DESC="Cassandra" NAME=cassandra PIDFILE=/var/run/$NAME.pid SCRIPTNAME=/etc/init.d/$NAME CONFDIR=/etc/cassandra JAVA_HOME="/usr/lib/jvm/java-6-openjdk/jre" JSVC=/usr/bin/jsvc JVM_MAX_MEM="1G" JVM_START_MEM="128M"

[ -e /usr/share/cassandra/apache-cassandra.jar ] || exit 0 [ -e /etc/cassandra/storage-conf.xml ] || exit 0

Read configuration variable file if it is present

[ -r /etc/default/$NAME ] && . /etc/default/$NAME

Load the VERBOSE setting and other rcS variables

. /lib/init/vars.sh

Define LSB log_* functions.

Depend on lsb-base (>= 3.0-6) to ensure that this file is present.

. /lib/lsb/init-functions

Function that returns the applications classpath

classpath() { cp= for j in /usr/share/$NAME/*.jar; do [ "x$cp" = "x" ] && cp=$j || cp=$cp:$j done

# Include the conf directory for purposes of log4j.properties, and
# commons-daemon in support of the daemonization class.
printf "$cp:$CONFDIR:/usr/share/java/commons-daemon.jar"

}

Function that returns 0 if process is running, 1 if not

is_running() { if [ -f $PIDFILE ]; then if ps -p cat $PIDFILE &> /dev/null; then return 0 fi fi return 1 }

Function that starts the daemon/service

do_start() { # Return # 0 if daemon has been started # 1 if daemon was already running # 2 if daemon could not be started is_running && return 1

$JSVC \
    -home $JAVA_HOME \
    -pidfile $PIDFILE \
    -errfile "&1" \
    -outfile /var/log/$NAME/output.log \
    -cp `classpath` \
    -Xmx$JVM_MAX_MEM \
    -Xms$JVM_START_MEM \
    -Dcassandra \
    -Dstorage-config=$CONFDIR \
    -Dcom.sun.management.jmxremote.port=8080 \
    -Dcom.sun.management.jmxremote.ssl=false \
    -Dcom.sun.management.jmxremote.authenticate=false \
    $JVM_EXTRA_OPTS \
    org.apache.cassandra.thrift.CassandraDaemon

if ! is_running; then return 2; fi

}

Function that stops the daemon/service

do_stop() { # Return # 0 if daemon has been stopped # 1 if daemon was already stopped # 2 if daemon could not be stopped # other if a failure occurred is_running || return 1 $JSVC -stop -home $JAVA_HOME -pidfile $PIDFILE
org.apache.cassandra.thrift.CassandraDaemon is_running && return 2 || return 0 }

case "$1" in start) [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" do_start case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; stop) [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" do_stop case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; restart|force-reload) log_daemon_msg "Restarting $DESC" "$NAME" do_stop case "$?" in 0|1) do_start case "$?" in 0) log_end_msg 0 ;; 1) log_end_msg 1 ;; # Old process is still running *) log_end_msg 1 ;; # Failed to start esac ;; *) # Failed to stop log_end_msg 1 ;; esac ;; *) echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2 exit 3 ;; esac

:

vi:ai sw=4 ts=4 tw=0 et

/usr/share/cassandra/cassandra.in.shの「-Dcom.sun.management.jmxremote.port=XXXX」の設定を変更すれば良い?


これでCassandraのインストールがらくちんになりました!eucalyptus上でがんがん上げてクラスタ作ってみようと思います。


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