查询oracle用户名,机器名,锁表对象 select l.session_id sid, s.serial#, l.locked_mode, l.oracle_username, l.os_user_name, s.machine, s.terminal, o.object_name, s.logon_time from v$locked_object l, all_objects o, v$session s where l.object_id = o.object_id and l.ses
修改/proc/sys/vm/drop_caches,释放Slab占用的cache内存空间(参考drop_caches的官方文档): Writing to this will cause the kernel to drop clean caches, dentries and inodes from memory, causing that memory to become free. To free pagecache: * echo 1 > /proc/sys/vm/drop_caches
Timeline: Activity_launch_request time:6562004-14 15:31:25.347: I/dalvikvm(3483): Total arena pages for JIT: 1104-14 15:31:25.621: D/dalvikvm(3483): JIT unchain all for threadid=1304-14 15:31:26.371: W/dalvikvm(3483): threadid=1: spin on suspend #1 t