IBM Z Software


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z/TPF

Showing 301

Allow for lower retransmit timer values for zTPF sockets

We are experiencing issues with subsequent retransmissions on dropped packets when fast retransmission is not used and if the packet still does not get delivered on the first retransmission a subsequent retransmission takes 7 seconds to kick off w...
over 9 years ago in z/TPF Product Family / z/TPF 2 Delivered

Provide access to pending CMR3 and RLCH ECB counters

PJ40779 added support to track the number of pending CMR3 and RLCH ECBs per i/stream using counters located in ccnucl. We would like an ENTRY point to be defined for both the CMR3 and RLCH counter areas so that code in other CP csects (user exit c...
over 9 years ago in z/TPF Product Family / z/TPF 2 Delivered

Allow a lower RTO minimum value for zTPF client socket connections

For z/TPF client socket connections where the pattern is one message out, one message in (meaning TCP fast retransmit processing would never trigger) and the application level timeout is subsecond, the customer request is to allow a lower RTO mini...
over 9 years ago in z/TPF Product Family / z/TPF 2 Delivered

OPENSOURCE CODE PERFORMANCE IMPROVEMENTS

Opensource code performance improvements are needed in CPP1 to eliminate unnecessary copy-on-write during shared object initialization, plus improve performance of strchr/memchr and string.h.
over 9 years ago in z/TPF Product Family / z/TPF 3 Delivered

Support MQ Compression on z/TPF

As more and more data is being shared with remote applications using MQ the need for data compression is increasing. We are requesting that the support for MQ compression as provided in MQ version 6 and 7 be added to the z/TPF MQ server installati...
over 9 years ago in z/TPF Product Family / z/TPF 2 Delivered

Tracelog should include resource consumption count analysis

Improved tooling is required to benchmark resource consumption for a specific application path beyond mere clock or processing time. The Performance Analyzer breaks down time spent in various code modules and the number of calls made etc to identi...
over 9 years ago in z/TPF Product Family / z/TPF 2 Delivered

Expand user lodic classes

6 user lodic classes are insufficient for all user definitions. An additional 8 are requested.
almost 10 years ago in z/TPF Product Family / z/TPF 3 Delivered

selectivity apply apars

Selectivity apply apars for fixes has become more difficult in the z/TPF build process in the way libcpoco.a is build. The build of libcpoco.anow crosses more functional area so the drag of prereq apars becomes impossible to manage. It most cases ...
almost 10 years ago in z/TPF Product Family / z/TPF 2 Delivered

Not enough LibVec entries for exported functions.

The number of functions that may be exported by a program is fixed at IPL time, as the number of functions being exported by the baseline version of the program * 2 (room for growth). Room for growth is the maximum number of new functions that may...
almost 10 years ago in z/TPF Product Family / z/TPF 2 Delivered

Take advantage of SSD performance in TPF DASD utility parms

We have mods in our zTPF systems that allow more TPF mod Copies per cpu/complex and reduce the minimum wait IOTIME for TPF Capture.These changes were made when we went to SSD so that we could fully utilize the performance improvements in our envir...
almost 10 years ago in z/TPF Product Family / z/TPF 2 Delivered

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