Hi Akhil
I can confirm that the problem goes away when jsonRaw and jsonClean are in
different s3 buckets.
thanks
Daniel
On Thu, Apr 23, 2015 at 1:27 AM, Akhil Das <ak...@sigmoidanalytics.com>
wrote:
> Can you try writing to a different S3 bucket and confirm that?
>
> Thanks
> Best Regards
>
> On Thu, Apr 23, 2015 at 12:11 AM, Daniel Mahler <dmah...@gmail.com> wrote:
>
>> Hi Akhil,
>>
>> It works fine when outprefix is a hdfs:///localhost/... url.
>>
>> It looks to me as if there is something about spark writing to the same
>> s3 bucket it is reading from.
>>
>> That is the only real difference between the 2 saveAsTextFile whet
>> outprefix is on s3,
>> inpath is also on s3 but in a different bucket, but jsonRaw and jsonClean
>> are distinct directories in the same bucket.
>> I do know know why that should be a problem though.
>>
>> I will rerun using s3 paths and send the log information.
>>
>> thanks
>> Daniel
>>
>> thanks
>> Daniel
>>
>> On Wed, Apr 22, 2015 at 1:45 AM, Akhil Das <ak...@sigmoidanalytics.com>
>> wrote:
>>
>>> Can you look in your worker logs and see whats happening in there? Are
>>> you able to write the same to your HDFS?
>>>
>>> Thanks
>>> Best Regards
>>>
>>> On Wed, Apr 22, 2015 at 4:45 AM, Daniel Mahler <dmah...@gmail.com>
>>> wrote:
>>>
>>>> I am having a strange problem writing to s3 that I have distilled to
>>>> this minimal example:
>>>>
>>>> def jsonRaw = s"${outprefix}-json-raw"
>>>> def jsonClean = s"${outprefix}-json-clean"
>>>>
>>>> val txt = sc.textFile(inpath)//.coalesce(shards, false)
>>>> txt.count
>>>>
>>>> val res = txt.saveAsTextFile(jsonRaw)
>>>>
>>>> val txt2 = sc.textFile(jsonRaw +"/part-*")
>>>> txt2.count
>>>>
>>>> txt2.saveAsTextFile(jsonClean)
>>>>
>>>> This code should simply copy files from inpath to jsonRaw and then from
>>>> jsonRaw to jsonClean.
>>>> This code executes all the way down to the last line where it hangs
>>>> after creating the output directory contatining a _temporary_$folder but no
>>>> actual files not even temporary ones.
>>>>
>>>> `outputprefix` is and bucket url, both jsonRaw and jsonClean are in
>>>> the same bucket.
>>>> Both calls .count succeed and return the same number. This means Spark
>>>> can read from inpath and can both read from and write to jsonRaw. Since
>>>> jsonClean is in the same bucket as jsonRaw and the final line does create
>>>> the directory, I cannot think of any reason why the files should not be
>>>> written. If there were any access or url problems they should already
>>>> manifest when writing jsonRaw.
>>>>
>>>> This problem is completely reproduceable with Spark 1.2.1 and 1.3.1
>>>> The console output from the last line is
>>>>
>>>> scala> txt0.saveAsTextFile(jsonClean)
>>>> 15/04/21 22:55:48 INFO storage.BlockManager: Removing broadcast 3
>>>> 15/04/21 22:55:48 INFO storage.BlockManager: Removing block
>>>> broadcast_3_piece0
>>>> 15/04/21 22:55:48 INFO storage.MemoryStore: Block broadcast_3_piece0 of
>>>> size 2024 dropped from memory (free 278251716)
>>>> 15/04/21 22:55:48 INFO storage.BlockManagerInfo: Removed
>>>> broadcast_3_piece0 on ip-10-51-181-81.ec2.internal:45199 in memory (size:
>>>> 2024.0 B, free: 265.4 MB)
>>>> 15/04/21 22:55:48 INFO storage.BlockManagerMaster: Updated info of
>>>> block broadcast_3_piece0
>>>> 15/04/21 22:55:48 INFO storage.BlockManager: Removing block broadcast_3
>>>> 15/04/21 22:55:48 INFO storage.MemoryStore: Block broadcast_3 of size
>>>> 2728 dropped from memory (free 278254444)
>>>> 15/04/21 22:55:48 INFO storage.BlockManagerInfo: Removed
>>>> broadcast_3_piece0 on ip-10-166-129-153.ec2.internal:46671 in memory (size:
>>>> 2024.0 B, free: 13.8 GB)
>>>> 15/04/21 22:55:48 INFO storage.BlockManagerInfo: Removed
>>>> broadcast_3_piece0 on ip-10-51-153-34.ec2.internal:51691 in memory (size:
>>>> 2024.0 B, free: 13.8 GB)
>>>> 15/04/21 22:55:48 INFO storage.BlockManagerInfo: Removed
>>>> broadcast_3_piece0 on ip-10-158-142-155.ec2.internal:54690 in memory (size:
>>>> 2024.0 B, free: 13.8 GB)
>>>> 15/04/21 22:55:48 INFO storage.BlockManagerInfo: Removed
>>>> broadcast_3_piece0 on ip-10-61-144-7.ec2.internal:44849 in memory (size:
>>>> 2024.0 B, free: 13.8 GB)
>>>> 15/04/21 22:55:48 INFO storage.BlockManagerInfo: Removed
>>>> broadcast_3_piece0 on ip-10-69-77-180.ec2.internal:42417 in memory (size:
>>>> 2024.0 B, free: 13.8 GB)
>>>> 15/04/21 22:55:48 INFO spark.ContextCleaner: Cleaned broadcast 3
>>>> 15/04/21 22:55:49 INFO spark.SparkContext: Starting job: saveAsTextFile
>>>> at <console>:38
>>>> 15/04/21 22:55:49 INFO scheduler.DAGScheduler: Got job 2
>>>> (saveAsTextFile at <console>:38) with 96 output partitions
>>>> (allowLocal=false)
>>>> 15/04/21 22:55:49 INFO scheduler.DAGScheduler: Final stage: Stage
>>>> 2(saveAsTextFile at <console>:38)
>>>> 15/04/21 22:55:49 INFO scheduler.DAGScheduler: Parents of final stage:
>>>> List()
>>>> 15/04/21 22:55:49 INFO scheduler.DAGScheduler: Missing parents: List()
>>>> 15/04/21 22:55:49 INFO scheduler.DAGScheduler: Submitting Stage 2
>>>> (MapPartitionsRDD[5] at saveAsTextFile at <console>:38), which has no
>>>> missing parents
>>>> 15/04/21 22:55:49 INFO storage.MemoryStore: ensureFreeSpace(22248)
>>>> called with curMem=48112, maxMem=278302556
>>>> 15/04/21 22:55:49 INFO storage.MemoryStore: Block broadcast_4 stored as
>>>> values in memory (estimated size 21.7 KB, free 265.3 MB)
>>>> 15/04/21 22:55:49 INFO storage.MemoryStore: ensureFreeSpace(17352)
>>>> called with curMem=70360, maxMem=278302556
>>>> 15/04/21 22:55:49 INFO storage.MemoryStore: Block broadcast_4_piece0
>>>> stored as bytes in memory (estimated size 16.9 KB, free 265.3 MB)
>>>> 15/04/21 22:55:49 INFO storage.BlockManagerInfo: Added
>>>> broadcast_4_piece0 in memory on ip-10-51-181-81.ec2.internal:45199 (size:
>>>> 16.9 KB, free: 265.4 MB)
>>>> 15/04/21 22:55:49 INFO storage.BlockManagerMaster: Updated info of
>>>> block broadcast_4_piece0
>>>> 15/04/21 22:55:49 INFO spark.SparkContext: Created broadcast 4 from
>>>> broadcast at DAGScheduler.scala:839
>>>> 15/04/21 22:55:49 INFO scheduler.DAGScheduler: Submitting 96 missing
>>>> tasks from Stage 2 (MapPartitionsRDD[5] at saveAsTextFile at <console>:38)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSchedulerImpl: Adding task set 2.0
>>>> with 96 tasks
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 0.0 in
>>>> stage 2.0 (TID 192, ip-10-166-129-153.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 1.0 in
>>>> stage 2.0 (TID 193, ip-10-61-144-7.ec2.internal, PROCESS_LOCAL, 1377 bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 2.0 in
>>>> stage 2.0 (TID 194, ip-10-158-142-155.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 3.0 in
>>>> stage 2.0 (TID 195, ip-10-69-77-180.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 4.0 in
>>>> stage 2.0 (TID 196, ip-10-51-153-34.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 5.0 in
>>>> stage 2.0 (TID 197, ip-10-166-129-153.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 6.0 in
>>>> stage 2.0 (TID 198, ip-10-61-144-7.ec2.internal, PROCESS_LOCAL, 1377 bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 7.0 in
>>>> stage 2.0 (TID 199, ip-10-158-142-155.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 8.0 in
>>>> stage 2.0 (TID 200, ip-10-69-77-180.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 9.0 in
>>>> stage 2.0 (TID 201, ip-10-51-153-34.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 10.0 in
>>>> stage 2.0 (TID 202, ip-10-166-129-153.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 11.0 in
>>>> stage 2.0 (TID 203, ip-10-61-144-7.ec2.internal, PROCESS_LOCAL, 1377 bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 12.0 in
>>>> stage 2.0 (TID 204, ip-10-158-142-155.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 13.0 in
>>>> stage 2.0 (TID 205, ip-10-69-77-180.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 14.0 in
>>>> stage 2.0 (TID 206, ip-10-51-153-34.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 15.0 in
>>>> stage 2.0 (TID 207, ip-10-166-129-153.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 16.0 in
>>>> stage 2.0 (TID 208, ip-10-61-144-7.ec2.internal, PROCESS_LOCAL, 1377 bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 17.0 in
>>>> stage 2.0 (TID 209, ip-10-158-142-155.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 18.0 in
>>>> stage 2.0 (TID 210, ip-10-69-77-180.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO scheduler.TaskSetManager: Starting task 19.0 in
>>>> stage 2.0 (TID 211, ip-10-51-153-34.ec2.internal, PROCESS_LOCAL, 1377
>>>> bytes)
>>>> 15/04/21 22:55:49 INFO storage.BlockManagerInfo: Added
>>>> broadcast_4_piece0 in memory on ip-10-61-144-7.ec2.internal:44849 (size:
>>>> 16.9 KB, free: 13.8 GB)
>>>> 15/04/21 22:55:49 INFO storage.BlockManagerInfo: Added
>>>> broadcast_4_piece0 in memory on ip-10-69-77-180.ec2.internal:42417 (size:
>>>> 16.9 KB, free: 13.8 GB)
>>>> 15/04/21 22:55:49 INFO storage.BlockManagerInfo: Added
>>>> broadcast_4_piece0 in memory on ip-10-158-142-155.ec2.internal:54690 (size:
>>>> 16.9 KB, free: 13.8 GB)
>>>> 15/04/21 22:55:49 INFO storage.BlockManagerInfo: Added
>>>> broadcast_4_piece0 in memory on ip-10-166-129-153.ec2.internal:46671 (size:
>>>> 16.9 KB, free: 13.8 GB)
>>>> 15/04/21 22:55:49 INFO storage.BlockManagerInfo: Added
>>>> broadcast_4_piece0 in memory on ip-10-51-153-34.ec2.internal:51691 (size:
>>>> 16.9 KB, free: 13.8 GB)
>>>>
>>>> This feels like I am missing something really basic.
>>>>
>>>> thanks
>>>> Daniel
>>>>
>>>
>>>
>>
>
