发简信
IP属地：黑龙江
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node 环境部署
多版本管理nvm 国内镜像 nvm npm_mirrorhttps://registry.npm.taobao.org nvmnode_mirr...
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docker manager on ubuntu 18.04
manage by a non-root user sudo usermode -a -G docker username change doc...
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hbase flushregion server 级别 大小维度 regionServer的全局memstore的大小，超过该大小会触发flush到磁盘的操作,默认是...
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java.lang.IllegalArgumentException: failed to execute script
case1 : script size too large case2 : script is empty Maximum script siz...
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codis 优化
error: connection reset codis proxy 的默认配置如下，但实际生产用的时候往往是大于默认值的。当缓存区或者pip...
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ubuntu 18.04 increase max nu open files
edit user.conf and system.conf added this line to/etc/systemd/user.conf ...
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hive cli set
set hive.cli.print.header=true;set hive.resultset.use.unique.column.name...
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hive view table details
show partitions tablename; desc formattedtablename; descformattedtablena...