[PATCH] docs/interop/qmp-spec: Document the request queue limit
armbru at redhat.com
Wed Jan 27 14:47:34 UTC 2021
Signed-off-by: Markus Armbruster <armbru at redhat.com>
docs/interop/qmp-spec.txt | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/docs/interop/qmp-spec.txt b/docs/interop/qmp-spec.txt
index cdf5842555..b0e8351d5b 100644
@@ -133,9 +133,11 @@ to pass "id" with out-of-band commands. Passing it with all commands
is recommended for clients that accept capability "oob".
If the client sends in-band commands faster than the server can
-execute them, the server will stop reading the requests from the QMP
-channel until the request queue length is reduced to an acceptable
+execute them, the server will stop reading requests until the request
+queue length is reduced to an acceptable range.
+To ensure commands to be executed out-of-band get read and executed,
+the client should have at most eight in-band commands in flight.
Only a few commands support out-of-band execution. The ones that do
have "allow-oob": true in output of query-qmp-schema.
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