What is the maximum length for a TSQ record?

Robert Crawford

Published: 03 Dec 2002

I am familiar with CICS, but I don't know what is the maximum limit for TSQ use. Someone told me it is 542 bytes, but what is the exact limit?
The maximum record length for a TSQ record is governed by the CISIZE of the DFHTEMP file. For performance info, a very crude rule is that 170 bytes are reserved in each CI for VSAM & CICS control info. The maximum TSQ record size is 32763 (as it says in the API book for WRITEQ TS).

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What is the maximum length for a TSQ record?

Dig Deeper on IBM system z and mainframe systems

Improving mainframe performance with runtime and compiler optimization

Programming thread-safe mainframe applications with the CICS ENQ command

Look deeper into mainframe debugging techniques with the SLIP command

Techniques to extract and analyze CMF mainframe performance data

Related Q&A from Robert Crawford

How do I convert CPU hours to MIPS for mainframe capacity planning?

What can I do to gain Java skills and leave mainframe programming?

Can I configure DB2 replication from the mainframe to AIX?

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SearchWindowsServer

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Explore the benefits of Azure AD vs. on-prem AD

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SearchServerVirtualization

Use virtual clusters to avoid container sprawl

Software-defined power offers benefits, but lacks popular interest

Mini PCs for business offer improved performance, reduced costs

SearchCloudComputing

A conference guide to AWS re:Invent 2020

Cognito user pools vs. identity pools -- what AWS users should know

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Dig Deeper on IBM system z and mainframe systems

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Programming thread-safe mainframe applications with the CICS ENQ command

Look deeper into mainframe debugging techniques with the SLIP command

Techniques to extract and analyze CMF mainframe performance data

Related Q&A from Robert Crawford

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