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Mirror Tuning Question

Looking at the docs, I can see there are 3 properties that can be set in the cluster-config.mirror-service name space.

bulk-size interval-millis interval-opers

I understand how bulk-size relates to interval-millis but I am trying to better understand how interval-opers and bulk-size related to each other. From the descriptions, I can't see why you would want to make bulk-size any different from interval-opers. To me if you increase bulk-size to say 1000, you should also set the interval-opers to the same value. Or am I misunderstanding the definition of interval-opers.

Thanks

Rich

asked 2014-06-17 15:00:40 -0500

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Hi, The bulk-size and interval-opers parameters are not necessarily related. Both interval-millis and interval-opers are referring to the time when replication will occur. If you configure the following:

<prop key="cluster-config.mirror-service.bulk-size">10000</prop> <prop key="cluster-config.mirror-service.interval-millis">5000</prop> <prop key="cluster-config.mirror-service.interval-opers">50000</prop>

Than replication will start every 5 seconds or every 50,000 operations In a system where there aren't many operations per second, you can lower the batch size and the interval-millis And in a system where there are many operations per second, you will increase the interval-opers and increase the batch size.

Hope it is more clear now. Regards, Inbar

answered 2014-06-18 02:45:38 -0500

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Thank you

Rich

answered 2014-06-19 11:48:15 -0500

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Asked: 2014-06-17 15:00:40 -0500

Seen: 201 times

Last updated: Jun 19 '14