17.05 - Process Scheduling: Process Block Counts Columns - Teradata Database

Teradata Vantageā„¢ - Resource Usage Macros and Tables

prodname
Advanced SQL Engine
Teradata Database
vrm_release
17.00
17.05
created_date
June 2020
category
Administration
User Guide
featnum
B035-1099-170K

These columns identify how many times a process became blocked.

For more information about process block counts columns, see ResUsageSpma Table.

Column Name Mode Description Data Type
ProcBlksDBLock count Number of times processes were blocked for a database lock. FLOAT
ProcBlksFsgLock count Number of times processes were blocked for an FSG lock. FLOAT
ProcBlksSegLock count Number of times processes were blocked for a disk or task context (for example, scratch, stack, and so on). FLOAT
ProcBlksTime count Number of times processes were blocked for a timer expiration. FLOAT
ProcBlksFlowControl count Number of times processes were blocked by delays caused by the flow control conditions. FLOAT
ProcBlksFsgNIOs count Number of times processes were blocked waiting for task I/Os to complete. FLOAT
ProcBlksFsgRead count Number of times processes were blocked for an FSG read. FLOAT
ProcBlksFsgWrite count Number of times processes were blocked for an FSG write from disk. FLOAT
ProcBlksMisc count Number of times processes were blocked for miscellaneous events. FLOAT
ProcBlksMonitor count Number of times processes were blocked for a user monitor. FLOAT
ProcBlksMonResume count Number of times processes were blocked for a user monitor resume from a yield. FLOAT
ProcBlksNetThrottle count Number of times processes were blocked for delivery of outstanding outgoing messages. FLOAT
ProcBlksCpuThrottle count Number of times processes were throttled due to WM CPU COD or CPU hard limits. FLOAT
ProcBlksSegMDL count Number of times processes were blocked waiting for an MDL resource to become available. An MDL is an internal PDE data structure needed by the operation of the segment subsystem. FLOAT
ProcBlksSegNoVirtual count Number of times processes were blocked waiting for virtual memory for a segment. FLOAT
ProcBlksQnl count Number of times processes were blocked for a TSKQNL lock. FLOAT