Cool, thanks! On Tue, Apr 21, 2020 at 4:51 AM Robert Metzger <rmetz...@apache.org> wrote:
> I'm not aware of anything. I think the presto s3 file system is generally > the recommended S3 FS implementation. > > On Mon, Apr 13, 2020 at 11:46 PM Lu Niu <qqib...@gmail.com> wrote: > >> Thank you both. Given the debug overhead, I might just try out presto s3 >> file system then. Besides that presto s3 file system doesn't support >> streaming sink, is there anything else I need to keep in mind? Thanks! >> >> Best >> Lu >> >> On Thu, Apr 9, 2020 at 12:29 AM Robert Metzger <rmetz...@apache.org> >> wrote: >> >>> Hey, >>> Others have experienced this as well, yes: >>> https://lists.apache.org/thread.html/5cfb48b36e2aa2b91b2102398ddf561877c28fdbabfdb59313965f0a%40%3Cuser.flink.apache.org%3EDiskErrorException >>> I have also notified the Hadoop project about this issue: >>> https://issues.apache.org/jira/browse/HADOOP-15915 >>> >>> I agree with Congxian: You could try reaching out to the Hadoop user@ >>> list for additional help. Maybe logging on DEBUG level helps already? >>> If you are up for an adventure, you could also consider adding some >>> debugging code into Hadoop's DiskChecker and compile a custom Hadoop >>> version. >>> >>> Best, >>> Robert >>> >>> >>> On Thu, Apr 9, 2020 at 6:39 AM Congxian Qiu <qcx978132...@gmail.com> >>> wrote: >>> >>>> Hi LU >>>> >>>> I'm not familiar with S3 file system, maybe others in Flink community >>>> can help you in this case, or maybe you can also reach out to s3 >>>> teams/community for help. >>>> >>>> Best, >>>> Congxian >>>> >>>> >>>> Lu Niu <qqib...@gmail.com> 于2020年4月8日周三 上午11:05写道： >>>> >>>>> Hi, Congxiao >>>>> >>>>> Thanks for replying. yeah, I also found those references. However, as >>>>> I mentioned in original post, there is enough capacity in all disk. Also, >>>>> when I switch to presto file system, the problem goes away. Wondering >>>>> whether others encounter similar issue. >>>>> >>>>> Best >>>>> Lu >>>>> >>>>> On Tue, Apr 7, 2020 at 7:03 PM Congxian Qiu <qcx978132...@gmail.com> >>>>> wrote: >>>>> >>>>>> Hi >>>>>> From the stack, seems the problem is that " >>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop. >>>>>> util.DiskChecker$DiskErrorException: Could not find any valid local >>>>>> directory for s3ablock-0001-", and I googled the exception, found there >>>>>> is >>>>>> some relative page[1], could you please make sure there is enough space >>>>>> on >>>>>> the local dis. >>>>>> >>>>>> [1] >>>>>> https://community.pivotal.io/s/article/Map-Reduce-job-failed-with-Could-not-find-any-valid-local-directory-for-output-attempt-xxxx-xxxx-m-x-file-out >>>>>> Best, >>>>>> Congxian >>>>>> >>>>>> >>>>>> Lu Niu <qqib...@gmail.com> 于2020年4月8日周三 上午8:41写道： >>>>>> >>>>>>> Hi, flink users >>>>>>> >>>>>>> Did anyone encounter such error? The error comes from S3AFileSystem. >>>>>>> But there is no capacity issue on any disk. we are using hadoop 2.7.1. >>>>>>> ``` >>>>>>> >>>>>>> Caused by: java.util.concurrent.ExecutionException: >>>>>>> java.io.IOException: Could not open output stream for state backend >>>>>>> at java.util.concurrent.FutureTask.report(FutureTask.java:122) >>>>>>> at java.util.concurrent.FutureTask.get(FutureTask.java:192) >>>>>>> at >>>>>>> org.apache.flink.runtime.concurrent.FutureUtils.runIfNotDoneAndGet(FutureUtils.java:450) >>>>>>> at >>>>>>> org.apache.flink.streaming.api.operators.OperatorSnapshotFinalizer.<init>(OperatorSnapshotFinalizer.java:47) >>>>>>> at >>>>>>> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:1011) >>>>>>> ... 3 more >>>>>>> Caused by: java.io.IOException: Could not open output stream for state >>>>>>> backend >>>>>>> at >>>>>>> org.apache.flink.runtime.state.filesystem.FsCheckpointStreamFactory$FsCheckpointStateOutputStream.createStream(FsCheckpointStreamFactory.java:367) >>>>>>> at >>>>>>> org.apache.flink.runtime.state.filesystem.FsCheckpointStreamFactory$FsCheckpointStateOutputStream.flush(FsCheckpointStreamFactory.java:234) >>>>>>> at >>>>>>> org.apache.flink.runtime.state.filesystem.FsCheckpointStreamFactory$FsCheckpointStateOutputStream.write(FsCheckpointStreamFactory.java:209) >>>>>>> at >>>>>>> org.apache.flink.contrib.streaming.state.RocksDBStateUploader.uploadLocalFileToCheckpointFs(RocksDBStateUploader.java:131) >>>>>>> at >>>>>>> org.apache.flink.contrib.streaming.state.RocksDBStateUploader.lambda$createUploadFutures$0(RocksDBStateUploader.java:99) >>>>>>> at >>>>>>> org.apache.flink.util.function.CheckedSupplier.lambda$unchecked$0(CheckedSupplier.java:34) >>>>>>> at >>>>>>> java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590) >>>>>>> at >>>>>>> org.apache.flink.runtime.concurrent.DirectExecutorService.execute(DirectExecutorService.java:211) >>>>>>> at >>>>>>> java.util.concurrent.CompletableFuture.asyncSupplyStage(CompletableFuture.java:1604) >>>>>>> at >>>>>>> java.util.concurrent.CompletableFuture.supplyAsync(CompletableFuture.java:1830) >>>>>>> at >>>>>>> org.apache.flink.contrib.streaming.state.RocksDBStateUploader.createUploadFutures(RocksDBStateUploader.java:100) >>>>>>> at >>>>>>> org.apache.flink.contrib.streaming.state.RocksDBStateUploader.uploadFilesToCheckpointFs(RocksDBStateUploader.java:70) >>>>>>> at >>>>>>> org.apache.flink.contrib.streaming.state.snapshot.RocksIncrementalSnapshotStrategy$RocksDBIncrementalSnapshotOperation.uploadSstFiles(RocksIncrementalSnapshotStrategy.java:424) >>>>>>> at >>>>>>> org.apache.flink.contrib.streaming.state.snapshot.RocksIncrementalSnapshotStrategy$RocksDBIncrementalSnapshotOperation.callInternal(RocksIncrementalSnapshotStrategy.java:320) >>>>>>> at >>>>>>> org.apache.flink.contrib.streaming.state.snapshot.RocksIncrementalSnapshotStrategy$RocksDBIncrementalSnapshotOperation.callInternal(RocksIncrementalSnapshotStrategy.java:263) >>>>>>> at >>>>>>> org.apache.flink.runtime.state.AsyncSnapshotCallable.call(AsyncSnapshotCallable.java:75) >>>>>>> at java.util.concurrent.FutureTask.run(FutureTask.java:266) >>>>>>> at >>>>>>> org.apache.flink.runtime.concurrent.FutureUtils.runIfNotDoneAndGet(FutureUtils.java:447) >>>>>>> ... 5 more >>>>>>> Caused by: >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.util.DiskChecker$DiskErrorException: >>>>>>> Could not find any valid local directory for s3ablock-0001- >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext.getLocalPathForWrite(LocalDirAllocator.java:442) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext.createTmpFileForWrite(LocalDirAllocator.java:456) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.LocalDirAllocator.createTmpFileForWrite(LocalDirAllocator.java:200) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.s3a.S3AFileSystem.createTmpFileForWrite(S3AFileSystem.java:572) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.s3a.S3ADataBlocks$DiskBlockFactory.create(S3ADataBlocks.java:811) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.s3a.S3ABlockOutputStream.createBlockIfNeeded(S3ABlockOutputStream.java:190) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.s3a.S3ABlockOutputStream.<init>(S3ABlockOutputStream.java:168) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.s3a.S3AFileSystem.create(S3AFileSystem.java:778) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.FileSystem.create(FileSystem.java:1169) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.FileSystem.create(FileSystem.java:1149) >>>>>>> at >>>>>>> org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.FileSystem.create(FileSystem.java:1038) >>>>>>> at >>>>>>> org.apache.flink.fs.s3.common.hadoop.HadoopFileSystem.create(HadoopFileSystem.java:141) >>>>>>> at >>>>>>> org.apache.flink.fs.s3.common.hadoop.HadoopFileSystem.create(HadoopFileSystem.java:37) >>>>>>> at >>>>>>> org.apache.flink.core.fs.SafetyNetWrapperFileSystem.create(SafetyNetWrapperFileSystem.java:126) >>>>>>> at >>>>>>> org.apache.flink.core.fs.EntropyInjector.createEntropyAware(EntropyInjector.java:61) >>>>>>> at >>>>>>> org.apache.flink.runtime.state.filesystem.FsCheckpointStreamFactory$FsCheckpointStateOutputStream.createStream(FsCheckpointStreamFactory.java:356) >>>>>>> ... 22 more >>>>>>> >>>>>>> ``` >>>>>>> >>>>>>> Best >>>>>>> Lu >>>>>>> >>>>>>
