17.00 - Process Scheduling: Process Block Count Columns - Teradata Database

Teradata Vantageā„¢ - Resource Usage Macros and Tables

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

These columns identify how many times a process became blocked on which blocking type. Average time blocked can be approximated by dividing the corresponding process pending wait time column by the process block count column. For a list of these columns, see Process Scheduling: Process Pending Wait Time Columns.

Column Name Mode Description Data Type
ProcBlksFsgRead count Number of process blocks for an FSG read from disk. FLOAT
ProcBlksFsgWrite count Number of process blocks for an FSG write to disk. FLOAT
ProcBlksDBLock count Number of process blocks for database locks. The AMP Worker Task can do other work while the lock is blocked. FLOAT
ProcBlksFsgLock count Number of process blocks for an FSG lock. FLOAT
ProcBlksTime count Number of process blocks waiting only for timer expiration. FLOAT
ProcBlksMemAlloc count Number of process blocks for memory allocations. FLOAT
ProcBlksMisc count Number of process blocks for miscellaneous events. FLOAT
ProcBlksMonitor count Number of process blocks for a user monitor. FLOAT
ProcBlksMonResume count Number of process blocks for a user monitor resume from a yield. FLOAT
ProcBlksMsgRead count Number of process blocks for non-step work. FLOAT
ProcBlksNetThrottle count Number of process blocks for delivery of outstanding outgoing messages. FLOAT
ProcBlksQnl count Number of process blocks for a TSKQNL lock. FLOAT
ProcBlksSegLock count Number of process blocks for a disk or task context (for example, scratch, stack, and so on) segment lock. FLOAT