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Commit Graph

5 Commits

Author SHA1 Message Date
Volker Lendecke
1386200be5 gencache: Remove transaction-based tdb
At more than one large site I've seen significant problems due to
gencache_stabilize. gencache_stabilize was mainly introduced to
survive machine crashes with the cache still being in place. Given
that most installations crash rarely and this is still a cache, this
safety is overkill and causes real problems.

With the recent changes to tdb, we should be safe enough to run on
completely corrupted databases and properly detect errors. A further
commit will introduce code that wipes the gencache.tdb if such a
corruption is detected.

There is one kind of corruption that we don't properly handle:
Orphaned space in the database. I don't have a good idea yet how to
handle this in a graceful and efficient way during normal operations,
but maybe this idea pops up at some point.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2018-11-06 18:57:26 +01:00
Volker Lendecke
2557ae53ed lib: Move the "expired" for gencache_parse calculation into gencache.c
Make it more robust

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Oct 16 21:20:19 CEST 2018 on sn-devel-144
2018-10-16 21:20:19 +02:00
Volker Lendecke
089cb9e24c lib: Pass blob instead of &blob to gencache_set_data_blob
Passing a whole DATA_BLOB is cheap enough to simplify the callers: A caller
does not have to create a separate variable.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2017-11-29 16:59:16 +01:00
Volker Lendecke
6aaa8b695e lib: Remove ntstatus.h from gencache.h
No clue why I put it there, sorry for the noise...

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
2015-12-16 04:14:20 +01:00
Volker Lendecke
5ef9184964 lib: Add gencache.h
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-14 20:23:13 +01:00