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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>
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This should be a lot quicker than PROCESS_EXISTS followed by looking at
serverid.tdb
Autobuild-User: Volker Lendecke <vlendec@samba.org>
Autobuild-Date: Wed Nov 30 12:47:27 CET 2011 on sn-devel-104
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This sends out a number of process_exists controls in parallel and collects the
replies as they come in.
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We change all the headers and wscript files to use tdb_compat; this
means we have one place to decide whether to use TDB1 or TDB2.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Guenther
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Guenther
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Guenther
Autobuild-User: Günther Deschner <gd@samba.org>
Autobuild-Date: Thu Mar 24 00:52:01 CET 2011 on sn-devel-104
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Michael
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This is the basis to implement global locks in ctdb without depending on a
shared file system. The initial goal is to make ctdb persistent transactions
deterministic without too many timeouts.
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We need to use CTDB_CONTROL_TCP_CLIENT instead of CTDB_CONTROL_TCP_ADD.
CTDB_CONTROL_TCP_CLIENT has support for 2 modes in newer ctdb versions:
- with struct ctdb_control_tcp it only supports ipv4.
- with struct ctdb_control_tcp_addr it supports ipv4 and ipv6.
You need new header files which defines struct ctdb_control_tcp_addr,
but at runtime it should be fine to work against older
ctdb versions (<= 1.0.68).
metze
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This means we correctly pass IPv6 addresses too.
(CTDB_CONTROL_TCP_CLIENT was IPv4 only)
metze
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(This used to be commit f91a3e0f7b7737c1d0667cd961ea950e2b93e592)
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database in an inconsistent state if we crash during the operation
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
(This used to be commit 09329f1f9114af44fc4e5e4f29a7315912313125)
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(http://samba.org/~tridge/3_0-ctdb)
Signed-off-by: Alexander Bokovoy <ab@samba.org>(This used to be commit 0c8e23afbbb2d081fc23908bafcad04650bfacea)
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bugs in various places whilst doing this (places that assumed
BOOL == int). I also need to fix the Samba4 pidl generation
(next checkin).
Jeremy.
(This used to be commit f35a266b3cbb3e5fa6a86be60f34fe340a3ca71f)
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(This used to be commit b0132e94fc5fef936aa766fb99a306b3628e9f07)
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Jeremy.
(This used to be commit 407e6e695b8366369b7c76af1ff76869b45347b3)
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I'm 100% certain I've forgotten to merge something, but the main code
should be in. It's mainly in dbwrap_ctdb.c, ctdbd_conn.c and
messages_ctdbd.c.
There should be no changes to the non-cluster case, it does survive make
test on my laptop.
It survives some very basic tests with ctdbd enables, I did not do the
full test suite for clusters yet.
Phew...
Volker
(This used to be commit 15553d6327a3aecdd2b0b94a3656d04bf4106323)
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