September 2003
Intermediate to advanced
624 pages
15h 49m
English
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12.7. Disabling Inter-Site Compression of Replication Traffic
Problem
You want to disable inter-site compression of replication traffic.
Solution
You need to modify the
options attribute
of the site-link object that connects the sites you want to disable
compression for. Site-link objects are stored in the following
location:
cn=IP,cn=Inter-site Transports,cn=Sites,cn=Configuration,<ForestRootDN>The options attribute is a bit flag. In order to
disable compression, you must set bit 4, or 0100 in binary. If the
attribute is currently unset, you can simply set it to 4. If it
contains a value, you should see Recipe 4.12
for more information on properly setting bit flags.
Discussion
By default, data replicated inter-site is compressed. By contrast, intra-site replication traffic is not compressed. It is useful to compress inter-site traffic if the traffic is going over a WAN on the assumption that the less traffic the better. The trade-off to reduce WAN traffic is increased CPU utilization on the bridgehead servers replicating the data. If CPU utilization is an issue on your bridgehead servers and you aren’t as concerned about the amount of traffic being replicated, you should consider disabling inter-site compression.
See Also
Recipe 4.12 for setting bit flag attributes
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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