This uses the newly added ovsdb_idl_set_write_changed_only_all() to
explicitly disable atomicity checks for read/write columns and to enable
optimizing the process of building the SB transaction.
Bump OVS submodule to pick up d94cd0d3eec3 ("ovsdb-idl: Support
write-only-changed IDL monitor mode.").
Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=2069623
Signed-off-by: Dumitru Ceara <[email protected]>
---
NOTE: this bumps the OVS submodule to a revision that's not yet part of
a stable branch.
---
northd/ovn-northd.c | 10 +++++++++-
ovs | 2 +-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/northd/ovn-northd.c b/northd/ovn-northd.c
index 45b120697..0a0f85010 100644
--- a/northd/ovn-northd.c
+++ b/northd/ovn-northd.c
@@ -723,10 +723,18 @@ main(int argc, char *argv[])
unixctl_command_register("nb-connection-status", "", 0, 0,
ovn_conn_show, ovnnb_idl_loop.idl);
- /* We want to detect all changes to the ovn-sb db. */
+ /* We want to detect all changes to the ovn-sb db so enable change
+ * tracking but, for performance reasons, and because northd
+ * reconciles all database changes, also configure the IDL to only
+ * write columns that actually change value.
+ */
struct ovsdb_idl_loop ovnsb_idl_loop = OVSDB_IDL_LOOP_INITIALIZER(
ovsdb_idl_create(ovnsb_db, &sbrec_idl_class, true, true));
ovsdb_idl_track_add_all(ovnsb_idl_loop.idl);
+ ovsdb_idl_set_write_changed_only_all(ovnsb_idl_loop.idl, true);
+
+ /* Disable alerting for pure write-only columns. */
+ ovsdb_idl_omit_alert(ovnsb_idl_loop.idl, &sbrec_sb_global_col_nb_cfg);
unixctl_command_register("sb-connection-status", "", 0, 0,
ovn_conn_show, ovnsb_idl_loop.idl);
diff --git a/ovs b/ovs
index ba159ee0f..d94cd0d3e 160000
--- a/ovs
+++ b/ovs
@@ -1 +1 @@
-Subproject commit ba159ee0f97ed770c244cd6710d34fe20595541d
+Subproject commit d94cd0d3eec33e4290d7ca81918f5ac61444886e
--
2.27.0
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