Update for MQ 9.4.5

Author: ibmmqmet

CHANGELOG.md

@@ -1,6 +1,9 @@
 # Changelog
 Newest updates are at the top of this file.
 
+## Feb 06 2026 - v5.7.1
+- Update for MQ 9.4.5
+
 ## Dec 14 2025 - v5.7.0
 - ibmmq - Add ByteString and Integer and String Filter constructions to PCF processor
 - mqmetric - Enable use of STATMQI/STATQ event messages as alternative to many of the published metrics

Dockerfile

@@ -37,7 +37,7 @@ RUN mkdir -p $GOPATH/src $GOPATH/bin $GOPATH/pkg \
 ARG RDURL_ARG="https://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/messaging/mqdev/redist"
 ENV RDURL=${RDURL_ARG} \
     RDTAR="IBM-MQC-Redist-Linux${MQARCH}.tar.gz" \
-    VRMF=9.4.4.0
+    VRMF=9.4.5.0
 
 # Install the MQ client from the Redistributable package. This also contains the
 # header files we need to compile against. Setup the subset of the package

ibmmq/mqi.go

@@ -254,8 +254,15 @@ func Connx(goQMgrName string, gocno *MQCNO) (MQQueueManager, error) {
 	// Setting this environment variable should make it easier
 	// to get stack traces out of Go programs in the event of
 	// errors. For this particular variable, any value will make it
-	// effective.
-	os.Setenv("MQS_NO_SYNC_SIGNAL_HANDLING", "true")
+	// effective. There's a further override env var here to bypass
+	// the setting and stick to MQ's handlers. It should not be needed, but it
+	// may be useful in some debug scenarios.
+	if os.Getenv("MQIGO_MQ_STANDARD_SIGNAL_HANDLING") == "" {
+		logTrace("Setting MQS_NO_SYNC_SIGNAL_HANDLING")
+		os.Setenv("MQS_NO_SYNC_SIGNAL_HANDLING", "true")
+	} else {
+		logTrace("Not setting MQS_NO_SYNC_SIGNAL_HANDLING")
+	}
 
 	qMgr := MQQueueManager{}
 	qMgr.Name = goQMgrName

ibmmqotel/mqiotel.go

@@ -275,6 +275,9 @@ func otelDisc(qMgr *mq.MQQueueManager) {
 //
 // Note that we can't (and don't need to) do the same for an MQPUT1 because the
 // information we are trying to discover is only useful on MQGET/CallBack.
+//
+// Also note that this is only relevant for a queue as that's the only object
+// that has the INPUT option.
 func otelOpen(hObj *mq.MQObject, od *mq.MQOD, openOptions int32) {
 	var propCtl int32
 

mqmetric/mapping.go

@@ -239,6 +239,9 @@ var mHeur = map[string]string{
 	"synchronous_log_data_average_compression_time":   "synchronous_log_data_average_compression_time_bytes",
 	"synchronous_log_data_average_decompression_time": "synchronous_log_data_average_decompression_time_bytes",
 	"synchronous_uncompressed_log_bytes_sent":         "synchronous_uncompressed_log_sent_bytes",
+	"backlog_long-term_average_bytes":                 "backlog_long_term_average_bytes",
+	"catch-up_time_percentage":                        "catch_up_time_percentage",
+	"throttling_time_percentage":                      "throttling_time_percentage",
 }
 
 // This map contains only the additional elements where the heuristic version might not be suitable or

mqmetric/metrics.txt

@@ -92,15 +92,21 @@ Class: NHAREPLICA
     Log write average acknowledgement size
     Backlog average bytes
     Backlog bytes
+    Backlog long-term average bytes
     Catch-up log bytes sent
     Catch-up compressed log bytes sent
     Catch-up log data average compression time
     Catch-up log bytes decompressed
     Catch-up log data average decompression time
+    Catch-up time percentage
     Catch-up uncompressed log bytes sent
     MQ FDC file count
     Log file system - free space
     Log file system - bytes in use
+    Log - write latency
+    Log - slowest write since restart
+    Log - timestamp of slowest write
+    Log - write size
     Average network round trip time
     Queue Manager file system - free space
     Queue Manager file system - bytes in use
@@ -110,6 +116,7 @@ Class: NHAREPLICA
     Synchronous log bytes decompressed
     Synchronous log data average decompression time
     Synchronous uncompressed log bytes sent
+    Throttling time percentage
 
 Class: STATMQI
   Type: CONNDISC
@@ -243,8 +250,8 @@ Class: STATQ
     lock contention
     rolled back MQPUT count
 
-Other metrics and attributes
-----------------------------
+Object status metrics and object attributes
+-------------------------------------------
 
 There are other metrics extracted or calculated by this package, or used as tags. Most of
 these values come from "DISPLAY xxSTATUS" or "DISPLAY xx" commands for the relevant object type and name.
@@ -389,6 +396,9 @@ These are available on all Distributed platforms (not z/OS) by setting the STATQ
 on the queue manager and queues. The STATCHL option is not used as very similar numbers come from
 the existing channel status attributes. See the README for additional information on this approach.
 
+If you enable collection of these metrics, then the queue and queue manager metrics from the 
+resource publications (the STATQ and STATMQI classes) are not reported to avoid overlap.
+
 Class: queue
   average_queue_time_seconds                       destructive_mqget_message                       
   destructive_mqget_message_bytes                  destructive_mqget_non_persistent_message        
@@ -516,4 +526,4 @@ Class: qmgr
   unsubscribe_durable_remove                       unsubscribe_non_durable                         
   unsubscribe_non_durable_keep                     unsubscribe_non_durable_remove                  
 
-This page was automatically generated from the source tree on 2025-12-04 12:20:00
+This page was automatically generated from the source tree on 2026-01-30 06:27:20

samples/runSample.deb.Dockerfile

@@ -77,7 +77,7 @@ RUN mkdir -p $GOPATH/src $GOPATH/bin $GOPATH/pkg \
 # Location of the downloadable MQ client package \
 ENV RDURL="https://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/messaging/mqdev/redist" \
     RDTAR="IBM-MQC-Redist-Linux${MQARCH}.tar.gz" \
-    VRMF=9.4.4.0
+    VRMF=9.4.5.0
 
 # Install the MQ client from the Redistributable package. This also contains the
 # header files we need to compile against. Setup the subset of the package

samples/runSample.ubi.Dockerfile

@@ -56,7 +56,7 @@ RUN mkdir -p $GOPATH/src $GOPATH/bin $GOPATH/pkg \
 # Location of the downloadable MQ client package \
 ENV RDURL="https://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/messaging/mqdev/redist" \
     RDTAR="IBM-MQC-Redist-Linux${MQARCH}.tar.gz" \
-    VRMF=9.4.4.0
+    VRMF=9.4.5.0
 
 # Install the MQ client from the Redistributable package. This also contains the
 # header files we need to compile against. Setup the subset of the package