Is it possible to disable change events temporarily?
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We want to adopt RTC as tool for defect tracking, and to enable seamless operation, we want to import stuff from our current tracking system into RTC. Now, our current database has grown over years, and so the import has to deal with approx. 500.000 work items and millions of comments.
The duration of the import job is approaching 72 hours, which conflicts with the target to do the cutover on a weekend, minimizing impact on the user community. Now I wonder whether we can squeeze out a couple of hours by having RTC not generate change events for the import-related transactions. Does anyone know if generation of change events can be turned off somehow? Also, if you have good tips how to speed up a mass import of the mentioned scale, I would be very happy to read about that! Any help greatly appreciated! Markus |
3 answers
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What version of RTC and where are you running the import from? Collocation for the purpose of the import has helped some, but it really depends on the setup, system and network capabilities as to whether the tradeoffs in performance would work for this case. There are a lot of basic checks for optimizations/interference that may pop up something that can yield better results as well. From a system perspective, check firewalls/scanning tools to make sure you aren't getting any slowdown/interference on the operations, memory/cpu/disk/temp space isn't being used up, check the logging and activity on the DB server to make sure it isn't throttling, check the network transfer speed to make sure it is where you expect, etc.
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I found internal API that seems to skip change event processing on the server:
Class com.ibm.team.workitem.common.internal.util.Util provides a method runImport(Runnable) which changes the mode of the calling thread such that change events will be skipped on the server. Regards MArkus |
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