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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2021/01/27 12:18:49 UTC
[GitHub] [flink] zentol opened a new pull request #14777: [FLINK-21164][rest] Delete temporary jars
zentol opened a new pull request #14777:
URL: https://github.com/apache/flink/pull/14777
Modifies the Jar(Run|Plan)Handler to call `PackagedProgram#deleteExtractedLibraries` once we are done with the job submission / plan generation.
This is not **covered** by tests; I don't see a good way to do that since from the outside it is neither obvious which files are supposed to (not) exist nor where the temporary files would be located (by virtue of PackagedProgram not respecting the `io.tmp.dirs` option).
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[GitHub] [flink] zentol closed pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
zentol closed pull request #14777:
URL: https://github.com/apache/flink/pull/14777
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[GitHub] [flink] flinkbot commented on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
flinkbot commented on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-768249538
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[GitHub] [flink] flinkbot edited a comment on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-768256830
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[GitHub] [flink] zentol commented on a change in pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
zentol commented on a change in pull request #14777:
URL: https://github.com/apache/flink/pull/14777#discussion_r566821745
##########
File path: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JarRunHandler.java
##########
@@ -103,6 +103,11 @@ public JarRunHandler(
executor)
.handle(
(jobIds, throwable) -> {
+ try {
+ program.deleteExtractedLibraries();
Review comment:
Yes, the JarListHandler has the same problem. I did not know it actually creates a `PackagedProgram`.
As for the `ApplicationClusterEntryPoint`, the files _should_ be cleaned up when the entry point shuts down because we call `File#deleteOnExit` in `PackagedProgram#createTempFile`.
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[GitHub] [flink] flinkbot edited a comment on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-768256830
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* 8eded2f333e80f7d9ef5adaada7a3323774b8869 Azure: [SUCCESS](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=12556)
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[GitHub] [flink] flinkbot commented on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
flinkbot commented on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-768256830
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[GitHub] [flink] flinkbot edited a comment on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-768256830
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[GitHub] [flink] tillrohrmann commented on a change in pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
tillrohrmann commented on a change in pull request #14777:
URL: https://github.com/apache/flink/pull/14777#discussion_r566981325
##########
File path: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JarRunHandler.java
##########
@@ -103,6 +103,11 @@ public JarRunHandler(
executor)
.handle(
(jobIds, throwable) -> {
+ try {
+ program.deleteExtractedLibraries();
Review comment:
Alrighty. Thanks for the update.
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[GitHub] [flink] zentol commented on a change in pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
zentol commented on a change in pull request #14777:
URL: https://github.com/apache/flink/pull/14777#discussion_r566823679
##########
File path: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JarRunHandler.java
##########
@@ -103,6 +103,11 @@ public JarRunHandler(
executor)
.handle(
(jobIds, throwable) -> {
+ try {
+ program.deleteExtractedLibraries();
Review comment:
Now whether they are actually deleted depends a bit on when the JVM executes the delete calls. If the ClassLoader is still around at that time, then the deletion may in fact fail.
Explicitly closing the ClassLoader in the PackagedProgram (which unfortunately leaks into the JobGraph...) is a separate issue (see FLINK-9844).
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[GitHub] [flink] flinkbot edited a comment on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-768256830
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[GitHub] [flink] zentol commented on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
zentol commented on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-769820821
@tillrohrmann I updated the PR. `PackagedProgram` now implements `AutoClosable`, and all usages of `PackagedProgram#deleteExtractedLibraries` have been migrated to use `close()` instead.
In FLINK-9844 we can then extend this method to also close the ClassLoader.
I will also file a follow-up ticket to explicitly call close() in the entry points.
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[GitHub] [flink] flinkbot edited a comment on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-768256830
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[GitHub] [flink] zentol merged pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
zentol merged pull request #14777:
URL: https://github.com/apache/flink/pull/14777
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[GitHub] [flink] flinkbot edited a comment on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-768249538
Thanks a lot for your contribution to the Apache Flink project. I'm the @flinkbot. I help the community
to review your pull request. We will use this comment to track the progress of the review.
## Automated Checks
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## Review Progress
* ❓ 1. The [description] looks good.
* ❓ 2. There is [consensus] that the contribution should go into to Flink.
* ❓ 3. Needs [attention] from.
* ❓ 4. The change fits into the overall [architecture].
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[GitHub] [flink] flinkbot edited a comment on pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #14777:
URL: https://github.com/apache/flink/pull/14777#issuecomment-768256830
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[GitHub] [flink] tillrohrmann commented on a change in pull request #14777: [FLINK-21164][rest] Delete temporary jars
Posted by GitBox <gi...@apache.org>.
tillrohrmann commented on a change in pull request #14777:
URL: https://github.com/apache/flink/pull/14777#discussion_r566799528
##########
File path: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JarRunHandler.java
##########
@@ -103,6 +103,11 @@ public JarRunHandler(
executor)
.handle(
(jobIds, throwable) -> {
+ try {
+ program.deleteExtractedLibraries();
+ } catch (Exception e) {
+ log.debug("Error while deleting jars extracted from user-jar.");
Review comment:
```suggestion
log.debug("Error while deleting jars extracted from user-jar.", e);
```
##########
File path: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JarPlanHandler.java
##########
@@ -100,8 +101,19 @@ public JarPlanHandler(
return CompletableFuture.supplyAsync(
() -> {
- final JobGraph jobGraph = context.toJobGraph(configuration, true);
- return planGenerator.apply(jobGraph);
+ final PackagedProgram packagedProgram =
+ context.toPackagedProgram(configuration);
+ try {
+ final JobGraph jobGraph =
+ context.toJobGraph(packagedProgram, configuration, true);
+ return planGenerator.apply(jobGraph);
+ } finally {
+ try {
+ packagedProgram.deleteExtractedLibraries();
+ } catch (Exception e) {
+ log.debug("Error while deleting jars extracted from user-jar.");
Review comment:
```suggestion
log.debug("Error while deleting jars extracted from user-jar.", e);
```
##########
File path: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JarRunHandler.java
##########
@@ -103,6 +103,11 @@ public JarRunHandler(
executor)
.handle(
(jobIds, throwable) -> {
+ try {
+ program.deleteExtractedLibraries();
Review comment:
Isn't `JarListHandler` also susceptible to the problem?
##########
File path: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JarRunHandler.java
##########
@@ -103,6 +103,11 @@ public JarRunHandler(
executor)
.handle(
(jobIds, throwable) -> {
+ try {
+ program.deleteExtractedLibraries();
Review comment:
I am also wondering whether the `ApplicationClusterEntryPoint` really cleans up a `PackagedProgram` after using. Maybe this is something to investigate as a follow up.
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