间歇性 Error while reading line from the server.
read_write_timeout 默认60s
brpop 的timeout设置小于60s即可，或者将read_write_timeout 改成0
curl 命令不输出进度信息
Error: unknown flag: –restart
configure: error: Package requirements (oniguruma) were not met:
Nginx proxy_pass https 间歇性502，浏览器一段时间静置后502
Error Code: 1200. The server is not configured as slave; fix in config file
server: Accept error: accept tcp [::]:53435: accept4: too many open files; retrying in 1s
mysqldump emoji –default-character-set=utf8mb4
${MYSQLDUMPPATH}mysqldump –default-character-set=utf8mb4 -h${HOST} ${DUMPOPTION} –user=${MYSQLROOT} –password=${MYSQLPASS} ${DATABASE} | gzip -3 > ${TMP_PATH}${FILENAME}.gz