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#!/bin/bashkafka_ver=kafka_2.11-2.2.1kafka_tgz=$kafka_ver.tgzhostip=`hostname -i`broker_id=`echo $hostip | awk -F . '{print $4}'`cd /home/service/appw 阅读全文
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#!/bin/bash #安装xfs文件系统相关包 rpm -ql xfsprogs || yum -y install xfsprogs #创建挂载目录 mkdir -p /data{1..16} j=1 #分区 for i in {b..m} do parted /dev/sd${i} <<ESXU mklabel gpt mkpart primary 0 -1 ignore qu... 阅读全文
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{ "order": 0, "template": "connector-connection*", "settings": { "index": { "routing": { "allocation": { "total_shards_per_node": "5" } }, "refre... 阅读全文
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一、零拷贝原理:Consumer 消费消息过程,使用了零拷贝,零拷贝包含以下两种方式: 1、使用 mmap + write 方式 (RocketMQ选择的方式:因为有小块数据传输的需求,效果会比 sendfile 更好) 优点:即使频繁调用,使用小块文件传输,效率也很高; 缺点:不能很好的利用 DM 阅读全文
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1.pip install kafka-python 2.Producer.py from kafka import KafkaProducer producer = KafkaProducer(bootstrap_servers='10.32.106.42:9092') for _ in range(1000): producer.send('foobar', b'some_mes... 阅读全文
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1、下载安装fio 2、测试磁盘顺序写 阅读全文
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参考地址:https://github.com/apache/rocketmq-client-python/blob/master/doc/Introduction.md 阅读全文
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import redis import sys from rediscluster import StrictRedisCluster #host = "172.17.155.118" #port = 6379 #passwd = "" instance_ip = sys.argv[1] instance_port = sys.argv[2] startup_nodes = [{"host"... 阅读全文
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# -*- coding: UTF-8 -*- import redis import sys from rediscluster import StrictRedisCluster #host = "172.17.155.118" #port = 6379 #passwd = "" instance_ip = sys.argv[1] instance_port = sys.argv[2] ... 阅读全文