---
title: "SMF 115-215 MQSeries Buffer manager"
slug: "smf-115-215-mqseries-buffer-manager"
updated: 2022-11-28T09:05:21Z
published: 2022-11-28T09:05:21Z
canonical: "docs.zetaly.io/smf-115-215-mqseries-buffer-manager"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zetaly.io/llms.txt
> Use this file to discover all available pages before exploring further.

# SMF 115-215 MQSeries Buffer manager

## Introduction

## Fields

Stored in qpstData

| SMF Field | DB Column name | Description |
| --- | --- | --- |
| SMF115SID | sid | z/OS subsystem ID |
| SMF115DTE | startTime | date smf moved record |
|  | endTime |  |
| SMF115REL | mqVersion | WebSphere MQ version |
| SMF115SSI | qMgr | WebSphere MQ subsystem ID |
| QWHSDURN | duration | Interval duration in mics only present in smf 115 records |
| QPSTPOOL | bufferPool | Buffer Pool Number |
| QPSTNBUF | bufferCount | Number of buffers in pool |
| QPSTCBSL | lowestStealable | Lowest number of stealable buffers |
| QPSTCBS | currentStealable | Number of stealable buffers |
| QPSTGETP | getpOldRequests | Number of Get Page (old) requests |
| QPSTGETN | getpNewRequests | Number of Get Page (new) requests |
| QPSTRIO | dasdRead | Number of DASD read operations |
| QPSTSTW | setWritePages | Number of Set Write Intent requests |
| QPSTTPW | pagesWritten | Number of pages written to DASD |
| QPSTWIO | dasdWrite | Number of DASD write operations |
| QPSTIMW | syncWrites | Number of synchronous write operations |
| QPSTDWT | deferWriteTHoldReached | Number of times deferred write threshold |
| QPSTDMC | syncWriteTHoldReached | Threshold is reached |
| QPSTSTL | bufferSteals | Number of buffer steals |
| QPSTSTLA | bufferStealsHashChanges | During buffer steal |
| QPSTSOS | suspendNoBuffers | Buffers |
|  | actionId |  |