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| author | Rusty Russell <rusty@rustcorp.com.au> | 2012-02-03 11:00:54 +1100 |
|---|---|---|
| committer | Amitay Isaacs <amitay@samba.org> | 2012-03-05 01:11:26 +0100 |
| commit | 5bda06877303b4ac01081b12f889db1409c0a6f6 (patch) | |
| tree | ced934126e83567cf7d7f4539173c694d57e3a7f /README | |
| parent | 67bb5abe81dc64758a792060673b923cd77a018a (diff) | |
| download | samba-5bda06877303b4ac01081b12f889db1409c0a6f6.tar.gz samba-5bda06877303b4ac01081b12f889db1409c0a6f6.tar.bz2 samba-5bda06877303b4ac01081b12f889db1409c0a6f6.zip | |
dbwrap_ctdb: only fetch a read-only copy if we had a record already.
Because revoking read-only copies of records is expensive, we only
want ctdbd to do it for high-turnover records. A basic heuristic is
that if we don't find a local copy of the record, don't ask for a
read-only copy.
The fetch itself will cause ctdbd to migrate the record, so eventually
we will have a local copy. Next time it gets migrated away, we'll
call ctdbd_fetch() with local_copy = true.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'README')
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