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authorVolker Lendecke <vl@samba.org>2012-03-27 14:31:04 +0200
committerVolker Lendecke <vl@samba.org>2012-04-17 10:21:00 +0200
commit94cf5cc284ba908675ed5fd573dd101d7b9bad02 (patch)
treefa3cbe066f5400c31cfa13ea149e13bada59fbdc /testsuite
parentbd9178506ed8796a0aa7e4e757f2adc20dcae4f8 (diff)
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s3: Add dbwrap_try_fetch_locked
This is designed to spread the load on individual ctdb records to allow upper layers to do backoff mechanisms. In the ctdb case, do not get the record if a local lock is already taken. If we are not dmaster, do at most one migrate attempt. For the tdb case, this is a nonblocking fetch_locked. If someone else has the lock, give up.
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