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s3: Use tdb_transaction_start_nonblock in gencache_stabilize

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This avoids the thundering herd problem when 5000 smbds exit simultaneously
because the network went down.
This commit is contained in:
Volker Lendecke 2010-03-26 13:18:52 +01:00
parent d5fd1f2077
commit 4d8a974ddc
1 changed files with 10 additions and 1 deletions
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11
source3/lib/gencache.c
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@ -416,8 +416,17 @@ bool gencache_stabilize(void)
return false; return false;
} }
res = tdb_transaction_start(cache); res = tdb_transaction_start_nonblock(cache);
if (res == -1) { if (res == -1) {
if (tdb_error(cache) == TDB_ERR_NOLOCK) {
/*
* Someone else already does the stabilize,
* this does not have to be done twice
*/
return true;
}
DEBUG(10, ("Could not start transaction on gencache.tdb: " DEBUG(10, ("Could not start transaction on gencache.tdb: "
"%s\n", tdb_errorstr(cache))); "%s\n", tdb_errorstr(cache)));
return false; return false;