OK let me try.
Thank you @Sijie.
On Wed, Feb 3, 2021, at 1:11 PM, Sijie Guo wrote:
> Ah, I see. I am guessing most of the CPU cycles are burned by the table
> service.
>
> You can try to disable that feature as it is still under developer preview
> mode. You can run standalone as `bin/pulsar standalone --no-stream-storage`.
>
> - Sijie
>
>
> On Sun, Jan 31, 2021 at 10:52 PM Wesley Peng <wes...@pengfamily.de> wrote:
>> __
>> Can you help check with log output?
>>
>> $ tail -f pulsar-standalone-PresentSpicy-VM.log
>> 14:45:14.281 [main-EventThread] INFO
>> org.apache.distributedlog.logsegment.PerStreamLogSegmentCache -
>> 000000000000000001/000000000000000001/000000000000000000/checkpoints/0352d14e-8a42-4453-89ed-1fbf34051b76/CURRENT
>> added log segment (logrecs_000000000000000001 : [LogSegmentId:279,
>> firstTxId:16, lastTxId:16, version:VERSION_V5_SEQUENCE_ID,
>> completionTime:1612161014650, recordCount:1, regionId:0, status:0,
>> logSegmentSequenceNumber:1, lastEntryId:0, lastSlotId:0, inprogress:false,
>> minActiveDLSN:DLSN{logSegmentSequenceNo=1, entryId=0, slotId=0},
>> startSequenceId:0]) to cache.
>> 14:45:14.297 [DLM-/stream/storage-OrderedScheduler-1-0] INFO
>> org.apache.distributedlog.BKLogWriteHandler - Deleting ledger
>> [LogSegmentId:279, firstTxId:16, lastTxId:16,
>> version:VERSION_V5_SEQUENCE_ID, completionTime:1612161014650, recordCount:1,
>> regionId:0, status:0, logSegmentSequenceNumber:1, lastEntryId:0,
>> lastSlotId:0, inprogress:false, minActiveDLSN:DLSN{logSegmentSequenceNo=1,
>> entryId=0, slotId=0}, startSequenceId:0] for
>> 000000000000000001/000000000000000001/000000000000000000/checkpoints/0352d14e-8a42-4453-89ed-1fbf34051b76/CURRENT:<default>
>> 14:45:14.301 [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>> org.apache.distributedlog.impl.ZKLogSegmentMetadataStore - Delete segment :
>> [LogSegmentId:279, firstTxId:16, lastTxId:16,
>> version:VERSION_V5_SEQUENCE_ID, completionTime:1612161014650, recordCount:1,
>> regionId:0, status:0, logSegmentSequenceNumber:1, lastEntryId:0,
>> lastSlotId:0, inprogress:false, minActiveDLSN:DLSN{logSegmentSequenceNo=1,
>> entryId=0, slotId=0}, startSequenceId:0]
>> 14:45:14.331 [main-EventThread] INFO
>> org.apache.distributedlog.bk.SimpleLedgerAllocator - Ledger allocator for
>> /stream/storage/000000000000000001/000000000000000001/000000000000000000/checkpoints/0352d14e-8a42-4453-89ed-1fbf34051b76/<default>/allocation
>> moved version from -1 to 0.
>> 14:45:14.349 [io-checkpoint-scheduler-OrderedScheduler-1-0] INFO
>> org.apache.bookkeeper.statelib.impl.rocksdb.checkpoint.RocksdbCheckpointTask
>> - Delete remote checkpoint 0352d14e-8a42-4453-89ed-1fbf34051b76 from
>> checkpoint store at
>> 000000000000000001/000000000000000001/000000000000000000/checkpoints/0352d14e-8a42-4453-89ed-1fbf34051b76
>> 14:45:33.435 [pulsar-web-68-5] INFO org.eclipse.jetty.server.RequestLog -
>> 127.0.0.1 - - [01/Feb/2021:14:45:33 +0800] "GET
>> /admin/v2/persistent/public/functions/coordinate/stats?getPreciseBacklog=false
>> HTTP/1.1" 200 1401 "-" "Pulsar-Java-v2.7.0" 10
>> 14:46:03.429 [pulsar-web-68-1] INFO org.eclipse.jetty.server.RequestLog -
>> 127.0.0.1 - - [01/Feb/2021:14:46:03 +0800] "GET
>> /admin/v2/persistent/public/functions/coordinate/stats?getPreciseBacklog=false
>> HTTP/1.1" 200 1401 "-" "Pulsar-Java-v2.7.0" 6
>> 14:46:33.441 [pulsar-web-68-6] INFO org.eclipse.jetty.server.RequestLog -
>> 127.0.0.1 - - [01/Feb/2021:14:46:33 +0800] "GET
>> /admin/v2/persistent/public/functions/coordinate/stats?getPreciseBacklog=false
>> HTTP/1.1" 200 1401 "-" "Pulsar-Java-v2.7.0" 10
>> 14:47:03.431 [pulsar-web-68-8] INFO org.eclipse.jetty.server.RequestLog -
>> 127.0.0.1 - - [01/Feb/2021:14:47:03 +0800] "GET
>> /admin/v2/persistent/public/functions/coordinate/stats?getPreciseBacklog=false
>> HTTP/1.1" 200 1401 "-" "Pulsar-Java-v2.7.0" 7
>>
>>
>> Thank you
>> Regards.
>>
>>
>> On Mon, Feb 1, 2021, at 2:30 PM, Sijie Guo wrote:
>>> Hi Wesley,
>>>
>>> The CPU usage might be coming from some background tasks. Do you happen to
>>> have the log of the standalone server? This might give some insights to the
>>> problem.
>>>
>>> - Sijie
>>>
>>> On Sun, Jan 31, 2021 at 9:58 PM Wesley Peng <wes...@pengfamily.de> wrote:
>>>> __
>>>> I deployed a standalone pulsar server on a two cores VPS, which was new
>>>> installed.
>>>> Even there is not any jobs running on pulsar, it still consumes CPU about
>>>> 15+%.
>>>> 'top' shows the java process takes it.
>>>>
>>>> Can you help explain this? Thank you.
>>>>
>>>> Regards.
>>
