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Cassandra升级脚本(http://www.yangbajing.me/2016/03/07/cassandra升级更新/)
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#!/bin/sh | |
# 升级cassandra脚本,假定cassandra安装目录在:/opt,待安装tarball文件在 ~/ 用户主目录 | |
OLD_CASSANDRA=dsc-cassandra-2.2.4 | |
CASSANDRA=dsc-cassandra-2.2.5 | |
cd /opt | |
if [ ! -d "archive" ]; then | |
sudo mkdir archive | |
fi | |
# 解压、设置 | |
sudo tar zxf ~/$CASSANDRA-bin.tar.gz | |
sudo chown -R cassandra:root $CASSANDRA | |
sudo cp -f $OLD_CASSANDRA/bin/cassandra.in.sh $CASSANDRA/bin/ | |
sudo cp -f $OLD_CASSANDRA/conf/cassandra-env.sh $CASSANDRA/conf/ | |
sudo cp -f $OLD_CASSANDRA/conf/cassandra.yaml $CASSANDRA/conf/ | |
sudo cp -f $OLD_CASSANDRA/conf/cassandra-rackdc.properties $CASSANDRA/conf/ | |
sudo cp -f $OLD_CASSANDRA/conf/cassandra-topology.properties $CASSANDRA/conf/ | |
# 创建快照 | |
sudo -u cassandra cassandra/bin/nodetool snapshot crawler_spider -t snapshot_`date "+%Y-%m-%d"` | |
sudo -u cassandra cassandra/bin/nodetool snapshot crawler -t snapshot_`date "+%Y-%m-%d"` | |
# 停止服务 | |
sudo -u cassandra cassandra/bin/nodetool drain | |
sudo -u cassandra cassandra/bin/nodetool stopdaemon | |
# 设置新的cassandra | |
sudo rm cassandra | |
sudo ln -sf $CASSANDRA cassandra | |
sudo mv $OLD_CASSANDRA archive/ | |
# 启动新服务 | |
sudo -u cassandra cassandra/bin/cassandra | |
# 更新 sstables | |
# sudo -u cassandra cassandra/bin/nodetool upgradesstables |
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