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davsclaus pushed a commit to branch main
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The following commit(s) were added to refs/heads/main by this push:
new a23380b Polish and cleanup documentation
a23380b is described below
commit a23380b598f5cbb103f8e8c84eeeb6a316ec98c0
Author: Claus Ibsen <[email protected]>
AuthorDate: Wed Aug 18 20:09:03 2021 +0200
Polish and cleanup documentation
---
.../modules/ROOT/pages/graceful-shutdown.adoc | 50 +++++++++-------------
1 file changed, 20 insertions(+), 30 deletions(-)
diff --git a/docs/user-manual/modules/ROOT/pages/graceful-shutdown.adoc
b/docs/user-manual/modules/ROOT/pages/graceful-shutdown.adoc
index fc6dd37..01098b6 100644
--- a/docs/user-manual/modules/ROOT/pages/graceful-shutdown.adoc
+++ b/docs/user-manual/modules/ROOT/pages/graceful-shutdown.adoc
@@ -12,9 +12,9 @@ Camel provides a default strategy in the
`org.apache.camel.impl.engine.DefaultShutdownStrategy` which is capable of
doing that.
-== DefaultShutdownStrategy
+== Default Shutdown Strategy
-The default strategy will gracefully shutdown routes:
+The default strategy (`DefaultShutdownStrategy`) will gracefully shutdown
routes:
* in the reverse order they were started
* let pending and current in flight exchanges run to completion before
@@ -28,32 +28,22 @@ When shutting down the strategy will output to log the
progress:
[source,log]
---------------------------------
-2009-12-20 10:56:53,055 [main ] INFO DefaultCamelContext - Apache Camel
-(CamelContext:camel-1) is stopping 2009-12-20 10:56:53,056 [main ] INFO
-DefaultShutdownStrategy - Starting to graceful shutdown routes (timeout
-300 seconds) 2009-12-20 10:56:53,059 [1: ShutdownTask] INFO
-DefaultShutdownStrategy - Waiting as there are still 5 inflight
-exchanges to complete before we can shutdown 2009-12-20 10:56:54,060 [1:
-ShutdownTask] INFO DefaultShutdownStrategy - Waiting as there are still
-4 inflight exchanges to complete before we can shutdown 2009-12-20
-10:56:55,061 [1: ShutdownTask] INFO DefaultShutdownStrategy - Waiting as
-there are still 3 inflight exchanges to complete before we can shutdown
-2009-12-20 10:56:56,065 [1: ShutdownTask] INFO DefaultShutdownStrategy -
-Waiting as there are still 2 inflight exchanges to complete before we
-can shutdown 2009-12-20 10:56:57,066 [1: ShutdownTask] INFO
-DefaultShutdownStrategy - Waiting as there are still 1 inflight
-exchanges to complete before we can shutdown 2009-12-20 10:56:58,069
-[main ] INFO DefaultShutdownStrategy - Graceful shutdown of routes
-complete in 5 seconds. 2009-12-20 10:56:58,072 [main ] INFO
-DefaultInflightRepository - Shutting down with no inflight exchanges.
-2009-12-20 10:56:58,077 [main ] INFO DefaultCamelContext - Apache Camel
-(CamelContext:camel-1) stopped
+2009-12-20 10:56:53,055 [main ] INFO DefaultCamelContext - Apache Camel
(CamelContext:camel-1) is stopping
+2009-12-20 10:56:53,056 [main ] INFO DefaultShutdownStrategy - Starting to
graceful shutdown routes (timeout 45 seconds)
+2009-12-20 10:56:53,059 [1: ShutdownTask] INFO DefaultShutdownStrategy -
Waiting as there are still 5 inflight exchanges to complete before we can
shutdown
+2009-12-20 10:56:54,060 [1: ShutdownTask] INFO DefaultShutdownStrategy -
Waiting as there are still 4 inflight exchanges to complete before we can
shutdown
+2009-12-20 10:56:55,061 [1: ShutdownTask] INFO DefaultShutdownStrategy -
Waiting as there are still 3 inflight exchanges to complete before we can
shutdown
+2009-12-20 10:56:56,065 [1: ShutdownTask] INFO DefaultShutdownStrategy -
Waiting as there are still 2 inflight exchanges to complete before we can
shutdown
+2009-12-20 10:56:57,066 [1: ShutdownTask] INFO DefaultShutdownStrategy -
Waiting as there are still 1 inflight exchanges to complete before we can
shutdown
+2009-12-20 10:56:58,069 [main ] INFO DefaultShutdownStrategy - Graceful
shutdown of routes complete in 5 seconds.
+2009-12-20 10:56:58,072 [main ] INFO DefaultInflightRepository - Shutting down
with no inflight exchanges.
+2009-12-20 10:56:58,077 [main ] INFO DefaultCamelContext - Apache Camel
(CamelContext:camel-1) stopped
---------------------------------
Notice how the strategy waits while there are inflight exchanges still being
-processed before it shtudown the routes and after that Camel itself.
+processed before it shutdown the routes and after that Camel itself.
-== Suppressing logging due to timeout not allowing all inflight messages to
complete
+=== Suppressing logging due to timeout not allowing all inflight messages to
complete
If a graceful shutdown could not shutdown cleanly within the given
timeout period, then Camel performs a more aggressive shutdown (hard) by
@@ -73,7 +63,7 @@
context.getShutdownStrategy().setSuppressLoggingOnTimeout(true);
Notice that suppression is _a best effort_ attempt and there may still be some
logging from 3rd party libraries, which Camel cannot control.
-== Logging inflight exchange information on timeout
+=== Logging inflight exchange information on timeout
If a graceful shutdown could not shutdown cleanly within the given
timeout period, then Camel performs a more aggressive shutdown by
@@ -107,6 +97,11 @@ the option logInflightExchangesOnTimeout to false.
context.getShutdownStrategy().setLogInflightExchangesOnTimeout(false);
---------------------------------
+=== JMX managed
+
+The `ShutdownStrategy` is JMX aware, so you can manage it from a
+JMX console. This allows to adjust the strategy at runtime, such as changing
the timeout setting.
+
== Controlling ordering of routes
You can configure the order in which routes should be started, and thus
@@ -155,11 +150,6 @@ consumer to complete all the tasks (messages) before
shutting down. For
example a xref:components::file-component.adoc[File] consumer will process all
the pending
files it has picked up before shutting down.
-== JMX managed
-
-The `ShutdownStrategy` is JMX aware, so you can manage it from a
-JMX console. This allows to adjust the strategy at runtime, such as changing
the timeout setting.
-
== Stop individual routes
It is possible to stop (will do a gracefully shut down) an individual route
using
