##1.找到日志文件路径
docker inspect <container_id> | grep LogPath
#(输出类似于"LogPath": "/var/lib/docker/containers/<container_id>/<container_id>-json.log",))
##2.清空日志
echo "" > /var/lib/docker/containers/<container_id>/<container_id>-json.log
#或者下面方法
truncate -s 0 /var/lib/docker/containers/<container_id>/<container_id>-json.log
#若pathway容器开启后报错 If this server is no longer running, remove /tmp/.X99-lock and start again.
rm /tmp -rf
docker restart