Update configuration-parameters.adoc

modules/reference/pages/configuration-parameters.adoc

@@ -372,11 +372,25 @@ bucket counts. |`5`
 
 |GPE.VertexDataMemoryLimit |The memory limit for vertex data in the topology.|`-1`
 
-|GPE.RetentionSizeGB
-|The maximum size (in GB) of Kafka data used by the GPE before triggering Kafka retention.  
-Retention begins when usage approaches this value.  
-If the GPE’s Kafka data grows beyond this limit, *graph updates will be disabled* until space is freed.  
-Default: `40`.
+| GPE.RetentionSizeGB
+a| The maximum size (in GB) of Kafka data used by the GPE before triggering Kafka retention. +
+Retention begins when usage approaches this value. +
+If the GPE’s Kafka data grows beyond this limit, *graph updates will be disabled* until space is freed. +
+Default: `40`. +
+
+* Use the following command to identify the directories considered for this retention threshold:
+
+[source,bash]
+----
+grun_p all "find $(gadmin config get System.DataRoot)/\
+$(gadmin config get Kafka.DataRelativePath) \
+-maxdepth 1 -type d \
+-name '*deltaQ_GPE_*' \
+-exec du -sh {} \;"
+----
+
+
+| 40
 |`40`
 
 |===
@@ -426,10 +440,20 @@ responsive after the TTL. |`30`
 
 |GSE.StopTimeoutMS |Stop GSE timeout |`300000`
 
-|GSE.RetentionSizeGB
-|The maximum size (in GB) of Kafka data used by the GSE before triggering Kafka retention.  
-Retention begins when usage approaches this value.  
-Default: `20`.
+| GSE.RetentionSizeGB
+a| The maximum size (in GB) of Kafka data used by the GSE before triggering Kafka retention. +
+Retention begins when usage approaches this value. +
+Default: `20`. +
+
+* Use the following command to identify the directories considered for this retention threshold:
+
+[source,bash]
+----
+grun_p all "find $(gadmin config get System.DataRoot)/$(gadmin config get Kafka.DataRelativePath) \
+-maxdepth 1 -type d -name '*GSE_journal_*' \
+-exec du -sh {} \;"
+----
+
 |`20`
 
 |===
@@ -717,9 +741,19 @@ informant database source folder |`informant/db`
 
 |Informant.RestPort |The restful server port for Informant |`9167`
 
-|Informant.RetentionPeriodDay |The period in days for local data
-records to be kept, set to -1 for forever (not advised).
-Longer retention results in higher disk space usage and slower search for historical status
+| Informant.RetentionPeriodDay
+a| The period in days for local data records to be kept, set to -1 for forever (not advised). +
+Longer retention results in higher disk space usage and slower search for historical status. +
+
+* Use the following command to identify the directories considered for this retention threshold:
+
+[source,bash]
+----
+grun_p all "find $(gadmin config get System.DataRoot)/$(gadmin config get Informant.DBRelativePath) \
+-maxdepth 1 -type d \
+-exec du -sh {} \;"
+----
+
 |`7` (default. Prior to v3.9.2, the default was 30.)
 |===
 
@@ -768,10 +802,33 @@ must acknowledge, when producer sets acks to `all' |`1`
 
 |Kafka.Port |The serving port for Kafka |`30002`
 
-|Kafka.RetentionHours |The minimum age of a log file of Kafka to be
-eligible for deletion (hours) |`168`
+| Kafka.RetentionHours
+a| The minimum age of a log file of Kafka to be eligible for deletion (hours). +
+
+* Use the following command to identify the directories considered for this retention threshold:
+
+[source,bash]
+----
+grun_p all "find $(gadmin config get System.DataRoot)/$(gadmin config get Kafka.DataRelativePath) \
+-maxdepth 1 -mindepth 1 -type d \
+! -name '*deltaQ_GPE_*' ! -name '*GSE_journal_*' ! -name 'data-stream-dlq*' \
+-exec du -sh {} \;"
+----
 
-|Kafka.RetentionSizeGB |The minimum size (in GB) of Kafka log files for *infrastructure services* before they are eligible for deletion. This setting does not control retention for GPE or GSE data.|`40`
+|`168`
+
+| Kafka.RetentionSizeGB
+a| The minimum size (in GB) of Kafka log files for *infrastructure services* before they are eligible for deletion. This setting does not control retention for GPE or GSE data. +
+
+* Use the following command to identify the directories considered for this retention threshold:
+
+[source,bash]
+----
+grun_p all "find $(gadmin config get System.DataRoot)/$(gadmin config get Informant.DBRelativePath) \
+-maxdepth 1 -type d \
+-exec du -sh {} \;"
+----
+|`40`
 
 |Kafka.StartTimeoutMS |Start kafka timeout |`300000`