Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-26 Thread via GitHub


brumi1024 merged PR #6771:
URL: https://github.com/apache/hadoop/pull/6771


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Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-26 Thread via GitHub


brumi1024 commented on PR #6771:
URL: https://github.com/apache/hadoop/pull/6771#issuecomment-2079194163

   Thanks @tomicooler for the review, merging to trunk.


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Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-26 Thread via GitHub


hadoop-yetus commented on PR #6771:
URL: https://github.com/apache/hadoop/pull/6771#issuecomment-2079174965

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Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-26 Thread via GitHub


brumi1024 commented on code in PR #6771:
URL: https://github.com/apache/hadoop/pull/6771#discussion_r1580673804


##
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.h:
##
@@ -80,6 +80,11 @@ enum operations {
 #define ROOT_VAR_TMP_DIR "private_var_slash_tmp"
 #define COMMAND_FILE_SECTION "command-execution"
 
+// include cgroup2 super magic number if not defined
+#ifndef CGROUP2_SUPER_MAGIC

Review Comment:
   Done.



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Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-25 Thread via GitHub


tomicooler commented on code in PR #6771:
URL: https://github.com/apache/hadoop/pull/6771#discussion_r1580335818


##
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.h:
##
@@ -80,6 +80,11 @@ enum operations {
 #define ROOT_VAR_TMP_DIR "private_var_slash_tmp"
 #define COMMAND_FILE_SECTION "command-execution"
 
+// include cgroup2 super magic number if not defined
+#ifndef CGROUP2_SUPER_MAGIC

Review Comment:
   This must be done after the magic.h include. Let's move this to the .c file 
somewhere after the include.



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Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-25 Thread via GitHub


hadoop-yetus commented on PR #6771:
URL: https://github.com/apache/hadoop/pull/6771#issuecomment-2077695501

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Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-25 Thread via GitHub


hadoop-yetus commented on PR #6771:
URL: https://github.com/apache/hadoop/pull/6771#issuecomment-2077302452

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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found.  |
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Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-25 Thread via GitHub


brumi1024 commented on code in PR #6771:
URL: https://github.com/apache/hadoop/pull/6771#discussion_r1579314396


##
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c:
##
@@ -242,8 +242,8 @@ static int write_pid_to_cgroup_as_root(const char* 
cgroup_file, pid_t pid) {
strerror(errno));
 rc = -1;
 goto cleanup;
-  } else if (buf.f_type != CGROUP_SUPER_MAGIC) {
-fprintf(LOGFILE, "Pid file %s is not located on cgroup filesystem\n", 
cgroup_file);
+  } else if (buf.f_type != CGROUP_SUPER_MAGIC || buf.f_type != 
CGROUP2_SUPER_MAGIC) {

Review Comment:
   Thanks, this should be the reason. Added.



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Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-25 Thread via GitHub


tomicooler commented on code in PR #6771:
URL: https://github.com/apache/hadoop/pull/6771#discussion_r1579096249


##
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c:
##
@@ -242,8 +242,8 @@ static int write_pid_to_cgroup_as_root(const char* 
cgroup_file, pid_t pid) {
strerror(errno));
 rc = -1;
 goto cleanup;
-  } else if (buf.f_type != CGROUP_SUPER_MAGIC) {
-fprintf(LOGFILE, "Pid file %s is not located on cgroup filesystem\n", 
cgroup_file);
+  } else if (buf.f_type != CGROUP_SUPER_MAGIC || buf.f_type != 
CGROUP2_SUPER_MAGIC) {

Review Comment:
   https://docs.kernel.org/admin-guide/cgroup-v2.html
   
   It should come from 
https://github.com/torvalds/linux/blob/v4.6/include/uapi/linux/magic.h#L58 
which we include, probably it is an old kernel.
   
   Could be fixed with:
   ```
   #ifndef CGROUP2_SUPER_MAGIC
   #define CGROUP2_SUPER_MAGIC 0x63677270
   #endif
   ```
   
   
   
   



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Re: [PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-24 Thread via GitHub


hadoop-yetus commented on PR #6771:
URL: https://github.com/apache/hadoop/pull/6771#issuecomment-2075790931

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6771/1/artifact/out/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt)
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[/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6771/1/artifact/out/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt)
 |  hadoop-yarn-server-nodemanager in the patch failed.  |
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[/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6771/1/artifact/out/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt)
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[PR] YARN-11690. Update container executor to use CGROUP2_SUPER_MAGIC in cgroup 2 scenarios [hadoop]

2024-04-24 Thread via GitHub


brumi1024 opened a new pull request, #6771:
URL: https://github.com/apache/hadoop/pull/6771

   
   
   ### Description of PR
   
   The container executor function write_pid_to_cgroup_as_root writes the PID 
of the newly launched container to the correct cgroup.procs file. However it 
checks if the file is mounted on a cgroup filesystem, and does that check using 
the magic number, which differs for v1 and v2. This should handle v1 or v2 
filesystems as well.
   
   ### For code changes:
   
   - [ ] Does the title or this PR starts with the corresponding JIRA issue id 
(e.g. 'HADOOP-17799. Your PR title ...')?
   - [ ] Object storage: have the integration tests been executed and the 
endpoint declared according to the connector-specific documentation?
   - [ ] If adding new dependencies to the code, are these dependencies 
licensed in a way that is compatible for inclusion under [ASF 
2.0](http://www.apache.org/legal/resolved.html#category-a)?
   - [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`, 
`NOTICE-binary` files?
   
   


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