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| author | Ronnie Sahlberg <ronniesahlberg@gmail.com> | 2012-03-20 11:31:59 +1100 |
|---|---|---|
| committer | Ronnie Sahlberg <ronniesahlberg@gmail.com> | 2012-03-20 11:39:00 +1100 |
| commit | c051f67d674beb52419c4c30b163db397e7861b2 (patch) | |
| tree | 9778cc727e550b242a9c69870058b1b935f9b662 /ctdb/server/ctdb_tunables.c | |
| parent | 038c946e80b9f710e5949876bbd763033ab8e5ce (diff) | |
| download | samba-c051f67d674beb52419c4c30b163db397e7861b2.tar.gz samba-c051f67d674beb52419c4c30b163db397e7861b2.tar.xz samba-c051f67d674beb52419c4c30b163db397e7861b2.zip | |
FETCH COLLAPSE : Change the fetch-lock collapse to collapse ALL fetches, including fetch-locks into a single command in flight per record. Also add a tunable to enable/disable this optimization for hot records
(This used to be ctdb commit eafd7bbaaa5931546a96c8beae3cf9a39a49c925)
Diffstat (limited to 'ctdb/server/ctdb_tunables.c')
| -rw-r--r-- | ctdb/server/ctdb_tunables.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/ctdb/server/ctdb_tunables.c b/ctdb/server/ctdb_tunables.c index 76af85d4c6e..016acc44671 100644 --- a/ctdb/server/ctdb_tunables.c +++ b/ctdb/server/ctdb_tunables.c @@ -73,7 +73,8 @@ static const struct { { "DeferredAttachTO", 120, offsetof(struct ctdb_tunable, deferred_attach_timeout), false }, { "AllowClientDBAttach", 1, offsetof(struct ctdb_tunable, allow_client_db_attach), false }, { "RecoverPDBBySeqNum", 0, offsetof(struct ctdb_tunable, recover_pdb_by_seqnum), false }, - { "DeferredRebalanceOnNodeAdd", 300, offsetof(struct ctdb_tunable, deferred_rebalance_on_node_add) } + { "DeferredRebalanceOnNodeAdd", 300, offsetof(struct ctdb_tunable, deferred_rebalance_on_node_add) }, + { "FetchCollapse", 1, offsetof(struct ctdb_tunable, fetch_collapse) } }; /* |