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This avoids a tdb_fetch, thus a malloc/memcpy/free in the tdb_store path
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We allocate a new recovery area by expanding the file. But if the
recovery area is already at the end of file (as shown in at least one
client case), we can simply expand the record, rather than freeing it
and creating a new one.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-User: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date: Wed Dec 21 06:25:40 CET 2011 on sn-devel-104
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If we're expanding because the current recovery area is too small, we
expand only the amount we need. This can quickly lead to exponential
growth when we have a slowly-expanding record (hence a
slowly-expanding transaction size).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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I came across a tdb which had wrapped to 4G + 4K, and the contents had been
destroyed by processes which thought it only 4k long. Fix this by checking
on open, and making tdb_oob() check for wrap itself.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-User: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date: Mon Dec 19 07:52:01 CET 2011 on sn-devel-104
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Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Thu Nov 24 00:17:41 CET 2011 on sn-devel-104
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[-Wunused-but-set-variable]" warnings from the new gcc.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Mon Nov 21 23:39:08 CET 2011 on sn-devel-104
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Autobuild-User: Jelmer Vernooij <jelmer@samba.org>
Autobuild-Date: Sun Nov 13 19:38:38 CET 2011 on sn-devel-104
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TDB2 testing revealed that tdb1 doesn't do this. It's minor, but fix it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-User: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date: Tue Aug 16 10:47:41 CEST 2011 on sn-devel-104
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the EOF message is pointless, and makes for noisy scripts
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
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Soon, TDB2 will handle tdb1 files, but until then, we substitute.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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TDB2 returns a negative error number on failure. This is compatible
if we always check for != 0 instead of == -1.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Andrew Bartlett complained that valgrind needs --partial-loads-ok=yes otherwise
the Jenkins hash makes it complain.
My benchmarking here revealed that at least with modern gcc (4.5) and CPU
(Intel i5 32 bit) there's no measurable performance penalty for the
"correct" code, so rip out the optimized one.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-User: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date: Wed Jun 8 11:05:47 CEST 2011 on sn-devel-104
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TDB2 can break this assumption.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-User: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date: Thu Jun 2 12:07:40 CEST 2011 on sn-devel-104
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Guenther
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Autobuild-User: Jelmer Vernooij <jelmer@samba.org>
Autobuild-Date: Sat Apr 23 04:19:05 CEST 2011 on sn-devel-104
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Transactions have the side effect of generating bigger files.
By removing the transaction files get as much as 30% smaller.
Autobuild-User: Simo Sorce <idra@samba.org>
Autobuild-Date: Tue Apr 19 23:34:37 CEST 2011 on sn-devel-104
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If it's really the recovery area, we can trust the rec_len field, and
don't have to go groping for bitpatterns.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-User: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date: Tue Apr 19 14:15:22 CEST 2011 on sn-devel-104
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ldb can create huge records when saving indexes.
Limit the tdb expansion to avoid consuming a lot of memory for
no good reason if the record being saved is huge.
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tdb_repack() is expensive and consumes memory, so we can spend some
effort to see if it's worthwhile. In particular, tdbbackup doesn't
need to repack: it started with an empty database!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This is why macros are dangerous; these were converting the pointers, not the
things pointed to!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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(ret < 0) can never be true
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this prevents a conflict with the convert_string() in samba
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for talloc/tevent/tdb, only install headers if we are doing a
standalone build
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using os.putenv() causes too much confusion, as it doesn't update
os.getenv()
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
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Autobuild-User: Volker Lendecke <vlendec@samba.org>
Autobuild-Date: Sat Feb 12 19:50:55 CET 2011 on sn-devel-104
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for the builds that use waf only, these are no longer needed and just
cause confusion
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
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Autobuild-User: Andreas Schneider <asn@samba.org>
Autobuild-Date: Wed Jan 19 11:26:34 CET 2011 on sn-devel-104
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this uses a temporary waf lock file to force the build directory
Autobuild-User: Andrew Tridgell <tridge@samba.org>
Autobuild-Date: Sat Jan 8 02:35:22 CET 2011 on sn-devel-104
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Autobuild-User: Jelmer Vernooij <jelmer@samba.org>
Autobuild-Date: Sat Jan 1 03:39:58 CET 2011 on sn-devel-104
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metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Wed Dec 29 11:26:12 CET 2010 on sn-devel-104
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Autobuild-User: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date: Wed Dec 29 10:12:05 CET 2010 on sn-devel-104
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metze
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metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Fri Dec 24 18:17:53 CET 2010 on sn-devel-104
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metze
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metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Thu Dec 23 20:35:42 CET 2010 on sn-devel-104
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This function is a wrapper around waf's check_python_header.
It avoids searching more than once for the headers bringing a small
speed improvement and a better lisibility of the logs.
But it's mainly to avoid a nasty bug when python libraries are in path
pointed by python_LIBPL (ie. /usr/local/lib/python2.6/config/) instead
of python_LIBDIR (ie. /usr/local/lib).
On the first call waf will correctly find that in order to link with
python libs it needs to add -L$python_LIBPL.
But on the next calls of check_python_headers, waf will use both the
current library path value (ie. -L/usr/local/lib/python2.6/config) and
-L$python_LIBDIR (ie. /usr/local/lib/) which will make him beleive that
python libraries are in $python_LIBDIR which at the end will make the
final link test fails in check_python_headers as it will not use the
good directory.
So by avoiding calling check_python_headers more than once we avoid
making waf fooling itself.
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