Oracle Database - Enterprise Edition - Version 11.2.0.1 and later: Many sessions hang waiting for 'library cache lock' While the blocker is in 'Not in wait' status d
Waiting for no event acquire lock Waiting for locking until the locking succeeds or times out acquire lwlock Waiting for a lightweight lock wait io Waiting for I/O completion wait cmd Waiting for network communication packet read to complete wait pooler get conn Waiting for pooler to obtain the...
It also dawned on me that if I had the structure size wrong, the previous tests on critical sections would not have worked at all because the native GetThreadWaitChain function would have stepped all over the .NET memory for the array. Additionally, when I ran through the array for those...
apt-get install -y libvirt-daemon libvirt-daemon-system vagrant vagrant-libvirt E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 2496 (apt-get) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it? Configure ...
the previous tests on critical sections would not have worked at all because the native GetThreadWaitChain function would have stepped all over the .NET memory for the array. Additionally, when I ran through the array for those previous deadlocks, I would have not seen the correct data in th...
NODE_CACHE_MUTEX 仅供内部使用。 OLEDB 当SQL Server 调用 SNAC OLE DB 提供程序 (SQLNCLI) 或 Microsoft OLE DB Driver for SQL Server (MSOLEDBSQL) 时发生。 此等待类型不用于同步。 而是用于指示调用 OLE DB 访问接口的持续时间。 ONDEMAND_TASK_QUEUE 在后台...
错误检查 0xF:SPIN_LOCK_ALREADY_OWNED 错误检查 0x10:SPIN_LOCK_NOT_OWNED 错误检查 0x11:THREAD_NOT_MUTEX_OWNER 错误检查 0x12:TRAP_CAUSE_UNKNOWN 错误检查 0x13:EMPTY_THREAD_REAPER_LIST 错误检查 0x14:CREATE_DELETE_LOCK_NOT_LOCKED 错误检查 0x15:LAST_CHANCE_CALLED_FROM_KMODE ...
并行insert出现library cache lock与cursor: pin S wait on X等待问题记录,一、故障现象与紧急处理开发反馈凌晨5点左右应用出现大量报错ORA-04021:timeoutoccurredwhilewaitingtolockobject,并且集中出现在insertim_message这个表的
Local Filesystem facing a deadlock while trying to allocate pages to extent mapping on write operation when the caller application is running under a CGroup; Resolution Upgrade to kernel version kernel-3.10.0-693.el7 or later which has the fix for the issue. ...
The flag points to the internal flags used by the session to get this block dba See "dba" buffer for checkpoint The buffer could not be checkpointed, because some process is modifying it. This means that after the wait, the DBWR will scan the whole buffer cache again. This could happ...