Aerospike数据库实战(四) -- Aerospike 安装部署

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本人原创文章，转载请注明出处：http://blog.csdn.net/yanshu2012/article/details/54288747

1 Aerospike Databases部署前准备工作

尽量不要对ssd做RAID，RAID控制器会带来不必要的延迟
如果必须做RAID，建议每块盘单独做RAID0。如果做了RAID，需要利用 LSI Mega CL 进行一些优化设置。参考：LSI Mega CLI: [[http://www.aerospike.com/docs/operations/plan/ssd/lsi_megacli.html]]
SSD硬盘不需要格式化，不需要挂载，直接attach到服务器母板上，Aerospike把SSD当raw disk使用。

有些SSD需要预留部分空间给驱动控制器使用，这样能带来更好的性能。

对于intel CD S3500的SSD，Aerospike强烈建议进行分区，第一个分区79%，第二个分区21%。使用第一个分区进行后面的ACT测试

SSD硬盘在第一次使用之前需要做清零操作，清零操作会清除SSD硬盘硬盘中的数据。新添加SSD硬盘对数据库存储容量进行扩容时，只需要对新添加的SSD硬盘做清零操作（参照下面信息进行清零操作）。
```
sudo dd if=/dev/zero of=/dev/<deviceID> bs=1M&
```

出现提示：No space left on device or an out of space error 说明硬盘清零操作完毕。

2 Aerospike Databases部署步骤

依赖环境安装

sudo yum install openssl-develsudo yum install gcc gcc-c++

server端安装步骤

wget -O aerospike.tgz 'http://aerospike.com/download/server/latest/artifact/el6'tar -xvf aerospike.tgzcd aerospike-server-community-*-el6sudo ./asinstall # will install the .rpm packagessudo service aerospike start sudo tail -f /var/log/aerospike/aerospike.log | grep cake

wait for it. "service ready: soon there will be cake!"

关闭Aerospike Databases节点机器之间的防火墙

参考下面配置，修改Aerospike Server端conf文件。

service {        user root        group root        paxos-single-replica-limit 1 # Number of nodes where the replica count is automatically reduced to 1.        pidfile /var/run/aerospike/asd.pid        service-threads 32        transaction-queues 32        transaction-threads-per-queue 3        proto-fd-max 100000        fabric-workers 96        microbenchmarks  true}logging {        # Log file must be an absolute path.        file /var/log/aerospike/aerospike.log {                context any info        }}network {        service {                address any                port 3000        }        heartbeat {                mode multicast                address 239.1.99.222                port 9918                #interface-address 192.168.1.116                # To use unicast-mesh heartbeats, remove the 3 lines above, and see                # aerospike_mesh.conf for alternative.                #                #mode mesh                #port 3002                #mesh-seed-address-port 192.168.1.116 3002                #mesh-seed-address-port 192.168.1.117 3002                interval 150                timeout 20        }        fabric {                port 3001        }        info {                port 3003        }}namespace test {        replication-factor 2        memory-size 75G        default-ttl 30d # 30 days, use 0 to never expire/evict.        high-water-memory-pct 90                high-water-disk-pct   90        # Warning - legacy data in defined raw partition devices will be erased.        # These partitions must not be mounted by the file system.        storage-engine device {                # Use one or more lines like those below with actual device paths.                device /dev/sdb1                #device /dev/sdc1                #device  /dev/fioa                # The 2 lines below optimize for SSD.                scheduler-mode noop                write-block-size 128K                # Use the line below to store data in memory in addition to devices.#               data-in-memory true        }}

启动Aerospike Databases

sudo service aerospike start 或者 sudo  /etc/init.d/aerospike  start

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