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Using DTrace to Monitor Response Time of IMAP Requests (Doc ID 1348027.1)

Last updated on JANUARY 09, 2018

Applies to:

Oracle Communications Messaging Server - Version 6.0.0 and later
Information in this document applies to any platform.

Purpose

Problems are sometimes due to networking, firewall, or loadbalancer issues between the client, the frontend, and/or the backend message store systems.  This article provides a DTrace script to monitor the general response time of IMAP commands on the backend.  You can also get this information by enabling telemetry for individual users, but that is cumbersome and still requires parsing the telemetry logs to determine the timing.  This DTrace script can be useful to show whether the problem is on the backend server or not.  If the problem is on the backend server, then further investigation is required to determine where the problem is within the backend, but at least you have ruled out the rest.

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 Caveat
 The imap-resp.d DTrace script
 Example output
 Translating the function names
 Interpreting the output
 When to use this script
References

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