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Posted to common-commits@hadoop.apache.org by xk...@apache.org on 2018/05/04 19:28:10 UTC
[42/50] [abbrv] hadoop git commit: YARN-8226. Improved anti-affinity
description in YARN Service doc. Contributed by Gour Saha
YARN-8226. Improved anti-affinity description in YARN Service doc.
Contributed by Gour Saha
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/76987372
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/76987372
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/76987372
Branch: refs/heads/HDFS-12943
Commit: 7698737207b01e80b1be2b4df60363f952a1c2b4
Parents: 7fe3214
Author: Eric Yang <ey...@apache.org>
Authored: Thu May 3 13:35:40 2018 -0400
Committer: Eric Yang <ey...@apache.org>
Committed: Thu May 3 13:35:40 2018 -0400
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.../main/resources/definition/YARN-Services-Examples.md | 10 +++++++---
.../src/site/markdown/yarn-service/YarnServiceAPI.md | 10 +++++++---
2 files changed, 14 insertions(+), 6 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/76987372/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/resources/definition/YARN-Services-Examples.md
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/resources/definition/YARN-Services-Examples.md b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/resources/definition/YARN-Services-Examples.md
index a4ef2d2..83e558c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/resources/definition/YARN-Services-Examples.md
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/resources/definition/YARN-Services-Examples.md
@@ -351,9 +351,13 @@ POST URL - http://localhost:8088/app/v1/services
##### GET Response JSON
GET URL - http://localhost:8088/app/v1/services/hello-world
-Note, that the 3 containers will come up on 3 different nodes. If there are less
-than 3 NMs running in the cluster, then all 3 container requests will not be
-fulfilled and the service will be in non-STABLE state.
+Note, for an anti-affinity component no more than 1 container will be allocated
+in a specific node. In this example, 3 containers have been requested by
+component "hello". All 3 containers were allocated because the cluster had 3 or
+more NMs. If the cluster had less than 3 NMs then less than 3 containers would
+be allocated. In cases when the number of allocated containers are less than the
+number of requested containers, the component and the service will be in
+non-STABLE state.
```json
{
http://git-wip-us.apache.org/repos/asf/hadoop/blob/76987372/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/yarn-service/YarnServiceAPI.md
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/yarn-service/YarnServiceAPI.md b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/yarn-service/YarnServiceAPI.md
index 496c1a1..fab33c5 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/yarn-service/YarnServiceAPI.md
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/yarn-service/YarnServiceAPI.md
@@ -766,9 +766,13 @@ POST URL - http://localhost:8088/app/v1/services
##### GET Response JSON
GET URL - http://localhost:8088/app/v1/services/hello-world
-Note, that the 3 containers will come up on 3 different nodes. If there are less
-than 3 NMs running in the cluster, then all 3 container requests will not be
-fulfilled and the service will be in non-STABLE state.
+Note, for an anti-affinity component no more than 1 container will be allocated
+in a specific node. In this example, 3 containers have been requested by
+component "hello". All 3 containers were allocated because the cluster had 3 or
+more NMs. If the cluster had less than 3 NMs then less than 3 containers would
+be allocated. In cases when the number of allocated containers are less than the
+number of requested containers, the component and the service will be in
+non-STABLE state.
```json
{
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