From patchwork Wed Apr 7 09:26:31 2021
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Cc: i.maximets@ovn.org, Anton Ivanov
Subject: [ovs-dev] [OVN Patch v17 3/3] ovn-northd: Add configuration option
for parallel lflow build
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From: Anton Ivanov
Signed-off-by: Anton Ivanov
---
northd/ovn-northd.c | 3 +++
ovn-nb.xml | 13 +++++++++++++
2 files changed, 16 insertions(+)
diff --git a/northd/ovn-northd.c b/northd/ovn-northd.c
index fdccde0c6..b68cc81ea 100644
--- a/northd/ovn-northd.c
+++ b/northd/ovn-northd.c
@@ -13205,6 +13205,9 @@ ovnnb_db_run(struct northd_context *ctx,
northd_probe_interval_nb = get_probe_interval(ovnnb_db, nb);
northd_probe_interval_sb = get_probe_interval(ovnsb_db, nb);
+ use_parallel_build = smap_get_bool(&nb->options,
+ "use_parallel_build", false) &&
+ ovn_can_parallelize_hashes(false);
use_logical_dp_groups = smap_get_bool(&nb->options,
"use_logical_dp_groups", false);
/* deprecated, use --event instead */
diff --git a/ovn-nb.xml b/ovn-nb.xml
index b0a4adffe..98608a475 100644
--- a/ovn-nb.xml
+++ b/ovn-nb.xml
@@ -213,6 +213,19 @@
The default value is false
.
+
+
+ If set to true
, ovn-northd
will attempt
+ to compute logical flows in parallel.
+
+
+ Parallel computation is enabled only if the system has 4 or more
+ cores/threads available to be used by ovn-northd.
+
+
+ The default value is false
.
+
+