-
Kafka Unclean Leader Election
刚刚发现一个现象，正常吗？ 如果一个Topic是下面这样的，它不会 unclean leader elect 选出来0 做leader，需要再次触发一下 unclean.leader.election.enable=true，哪怕这个 topic 已经是 true { "PartitionErrorCode": 72, "PartitionID": 43, "Leader": -1, "LeaderEpoch": 21, "Replicas": [ 0, 3 ], "Isr": [ 3 ], "OfflineReplicas":...
-
Zookeeper Reconfig
语法： server.<positive id> = <address1>:<port1>:<port2>[:role];[<client port address>:]<client port> https://zookeeper.apache.org/doc/r3.5.2-alpha/zookeeperReconfig.html The client port specification is to the right of the semicolon. The client port address is optional, and if not specified...
-
蠢就是坏
如果你没有办法区分两个东西，那他们对你来说就是同一件事，比如：蠢就是坏。
-
冷空气
这几天的实践证明，冷空气里面跑步会导致喉咙轻微的不舒服。
-
Avro Schema Registry Auth
cat schema-registry.properties authority.header=schema-registry-admin curl -H 'authority.header:schema-registry.properties' -XDELETE
-
Sort By Multi Fields
sort -hk4,2 -k1,1
-
Sort Case Sensitive
LC_COLLATE=C sort This variable governs the collation rules used for sorting and regular expressions. Setting the value to C can for example make the ls command sort dotfiles first, followed...
-
Terminated Pod
delete pod 卡在 “I0911 18:34:01.334912 825565 kubelet_pods.go:979] Pod “xxxx(689dec0e-6057-4221-aa29-d9618c20d3c7)” is terminated, but some volumes have not been cleaned up”。 mount grep 689dec0e 看到有一些相关的 mount 需要 umount。
-
Parameter Substitution
Advanced Bash-Scripting Guide: Manipulating Variables ${parameter-default} and ${parameter:-default} are almost equivalent. The extra : makes a difference only when parameter has been declared, but is null. #!/bin/bash # param-sub.sh #...
-
自洽
自洽未必是好人，但他至少是逻辑上讲的通的，也就是不能有矛盾。那这个必须基于一些大家都普遍认可的观点，比如“我不允许别人做这件事，就默认代表了我自己也不会做；如果我做了一件事，默认代表我也允许别人做这样的事。” 我和不自洽的人相处就非常难受。