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new 9a57837e89bc [SPARK-57209][YARN] Log application ID once is assigned
9a57837e89bc is described below
commit 9a57837e89bc802c3994def4d4ff94afff764529
Author: Cheng Pan <[email protected]>
AuthorDate: Wed Jun 3 13:55:47 2026 +0800
[SPARK-57209][YARN] Log application ID once is assigned
### What changes were proposed in this pull request?
Log the application ID once is assigned.
### Why are the changes needed?
When submitting a Spark app to YARN, if it fails to create the staging dir
(common reason: the user neither has a home dir `/user/foo`, nor has permission
of the parent dir `/user` to create it), then the app submission fails without
knowing the app ID from the spark-submit log, though the app ID has been
assigned.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Log only change, review.
### Was this patch authored or co-authored using generative AI tooling?
No.
Closes #56268 from pan3793/SPARK-57209.
Authored-by: Cheng Pan <[email protected]>
Signed-off-by: Cheng Pan <[email protected]>
---
.../yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala | 1 +
1 file changed, 1 insertion(+)
diff --git
a/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
b/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
index fd85bb7ed797..5f25b0b55338 100644
---
a/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
+++
b/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
@@ -208,6 +208,7 @@ private[spark] class Client(
val newApp = yarnClient.createApplication()
val newAppResponse = newApp.getNewApplicationResponse()
this.appId = newAppResponse.getApplicationId()
+ logInfo(log"Application ID is assigned: ${MDC(LogKeys.APP_ID, appId)}")
// The app staging dir based on the STAGING_DIR configuration if
configured
// otherwise based on the users home directory.
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