kudu tserver占用内存过高后会拒绝部分写请求,日志如下: 19/06/01 13:34:12 INFO AsyncKuduClient: Invalidating location 34b1c13d04664cc8bae6689d39b08b77($kudu_tserver:7050) for tablet 858c055c456549569af77d14eaf997e5: Service unavailable: Soft memory limit exceeded (at 92.3
kudu的副本数量是在表上设置,可以通过命令查看 # sudo -u kudu kudu cluster ksck $master ... Summary by table Name | RF | Status | Total Tablets | Healthy | Recovering | Under-replicated | Unavailable ----------------------------------------------------------+----+--------
1.配置/etc/yum.repos.d clouder-kudu.repo [cloudera-kudu]# Packages for Cloudera's Distribution for kudu, Version 5, on RedHat or CentOS 6 x86_64name=Cloudera's Distribution for kudu, Version 5baseurl=http://archive.cloudera.com/kudu/redhat/6/x86_64/kud
通过KIP32,Kafka的每条消息都加进了时间戳,这个KIP在0.10.0.0被加入. 说到“时间”,先贴张图,娱乐一下(如果对星球大战系列电影不熟的话,请自动略过……) 这个KIP的文档在 KIP-32 - Add timestamps to Kafka message 下面贴一下这个KIP的关键部分,俺的注解部分用灰色的字标识. Motivation 动机 This KIP tries to address the following issues in Kafka. Log retent