Those messages are innocuous as well.  The garbage collector is written in
such a way that it sometimes tries to delete CellStores that do not exist.

- Doug

On Fri, May 6, 2011 at 7:48 PM, Pany Yue <[email protected]> wrote:

> Thanks for you reply. It seems ok, because application programs have no
> scan or write error.
>
> But DfsBroker has many 'unlink error', Does it matter?
>
>
>
> 2011/5/7 Doug Judd <[email protected]>
>
>> Hi Pany,
>>
>> Those messages are normal (notice that they're INFO, not ERROR).  This
>> happens when ranges split and the writing clients METADATA cache gets stale.
>>  The client will re-scan the METADATA table to refresh its cache upon
>> encountering these exceptions.  This all happens transparently and your
>> loading clients will handle them properly and re-submit any updates that
>> were mis-directed.
>>
>> - Doug
>>
>> On Fri, May 6, 2011 at 7:07 PM, Pany Yue <[email protected]> wrote:
>>
>>> hi,
>>> I deploy allservers on one machine, used localBroker. There are 50 client
>>> scaning and writing concurrently.
>>> The cluster has two tables, about 100 columns per table;
>>>
>>> As the time goes on (after running 1 days), there are many 'range not
>>> found' exception in RangeServer log:
>>>
>>> 1304733259 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[..00245_
>>> http://www.mianjinhuo.com/-product-9412.html] - RANGE SERVER range not
>>> found
>>> 1304733259 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[..00245_
>>> http://www.mianjinhuo.com/-product-9412.html] - RANGE SERVER range not
>>> found
>>> 1304733300 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[..00245_
>>> http://www.mianjinhuo.com/-product-9412.html] - RANGE SERVER range not
>>> found
>>> 1304733301 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[..00245_
>>> http://www.mianjinhuo.com/-product-9412.html] - RANGE SERVER range not
>>> found
>>> 1304733536 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[01484_
>>> http://pic.onlylady.com/pic-128664.shtml..01730_http://www.yfdmt.cn/company_id.aspx-ID-33]
>>> - RANGE SERVER range not found
>>> 1304733537 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[01484_
>>> http://pic.onlylady.com/pic-128664.shtml..01730_http://www.yfdmt.cn/company_id.aspx-ID-33]
>>> - RANGE SERVER range not found
>>> 1304733538 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[01484_
>>> http://pic.onlylady.com/pic-128664.shtml..01730_http://www.yfdmt.cn/company_id.aspx-ID-33]
>>> - RANGE SERVER range not found
>>> 1304733538 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[01484_
>>> http://pic.onlylady.com/pic-128664.shtml..01730_http://www.yfdmt.cn/company_id.aspx-ID-33]
>>> - RANGE SERVER range not found
>>> 1304733538 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[01484_
>>> http://pic.onlylady.com/pic-128664.shtml..01730_http://www.yfdmt.cn/company_id.aspx-ID-33]
>>> - RANGE SERVER range not found
>>> 1304733539 INFO Hypertable.RangeServer :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/Hypertable/RangeServer/RangeServer.cc:853)
>>> Hypertable::Exception: (a) 1/0[01484_
>>> http://pic.onlylady.com/pic-128664.shtml..01730_http://www.yfdmt.cn/company_id.aspx-ID-33]
>>> - RANGE SERVER range not found
>>>
>>> grep "range not found" Hypertable.RangeServer.log |wc -l
>>> 2638
>>>
>>>
>>> DfsBroker has many 'unlink failed:' error:
>>>
>>> 1304733379 ERROR localBroker :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/DfsBroker/local/LocalBroker.cc:339)
>>> unlink failed: file='/home/itlanger/hypertable/install/
>>> 0.9.4.3/fs/local/hypertable/tables/1/0/default/zWEHsrXyNQ2hXOZU/cs11' -
>>> No such file or directory
>>> 1304733379 ERROR localBroker :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/DfsBroker/local/LocalBroker.cc:339)
>>> unlink failed: file='/home/itlanger/hypertable/install/
>>> 0.9.4.3/fs/local/hypertable/tables/1/0/default/zWEHsrXyNQ2hXOZU/cs17' -
>>> No such file or directory
>>> 1304733379 ERROR localBroker :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/DfsBroker/local/LocalBroker.cc:339)
>>> unlink failed: file='/home/itlanger/hypertable/install/
>>> 0.9.4.3/fs/local/hypertable/tables/1/0/default/zWEHsrXyNQ2hXOZU/cs18' -
>>> No such file or directory
>>> 1304733379 ERROR localBroker :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/DfsBroker/local/LocalBroker.cc:339)
>>> unlink failed: file='/home/itlanger/hypertable/install/
>>> 0.9.4.3/fs/local/hypertable/tables/1/0/default/zWEHsrXyNQ2hXOZU/cs19' -
>>> No such file or directory
>>> 1304733379 ERROR localBroker :
>>> (/home/itlanger/hypertable/src_for_build/hypertable-0.9.4.3-alpha/src/cc/DfsBroker/local/LocalBroker.cc:339)
>>> unlink failed: file='/home/itlanger/hypertable/install/
>>> 0.9.4.3/fs/local/hypertable/tables/1/0/default/gXoC7r0CFdES54oC/cs6' -
>>> No such file or directory
>>>
>>> grep "unlink failed:" DfsBroker.local.log |wc -l
>>> 6613
>>>
>>> here is the rsstat:
>>>
>>> RangeServerStats = {timestamp=1304733913325175000,
>>> measurement_period=-741723592, disk_available KB=706542, disk_used
>>> KB=680086, disk_read_KBps=0, disk_write_KBps=0, disk_read_rate=0,
>>> disk_write_rate=0, mem_total KB=16058304, mem_used KB=15114304, vm_size
>>> KB=8688023, vm_resident KB=7043636, net_recv_KBps=0, net_send_KBps=0,
>>> loadavg_0=1.72, loadavg_1=1.89, loadavg_2=2.02, cpu_pct=0.00, num_cores=8,
>>> clock_mhz=2493, num_ranges=145, scans=11146, cells_read=25058,
>>> bytes_read=52026501, updates=15212, syncs=15212, cells_written=22414,
>>> bytes_written=5763379, query_cache_max_memory=50000000,
>>> query_cache_available_memory=31059521, query_cache_accesses=2385,
>>> query_cache_hits=5, block_cache_max_memory=4000000000,
>>> block_cache_available_memory=189998, block_cache_accesses=3012,
>>> block_cache_hits=2790RangeStats= {RangeId=007E499DB17F710CD15A540F96D4F636,
>>> TableId=1/0, SchemaGeneration=1, scans=14, cells_read=50, bytes_read=9519,
>>> cells_written=26, bytes_written=4233, bloom_filter_accesses=112,
>>> bloom_filter_maybes=14, bloom_filter_false_positives=0,
>>> bloom_filter_memory53760, shadow_cache_memory=0, block_index_memory=556760,
>>> memory_allocated=1048576, memory_used=730159, disk_used=258017548}
>>> RangeStats= {RangeId=033C4BF4650605228C54C47E3B48B4D8, TableId=1/0,
>>> SchemaGeneration=1, scans=21, cells_read=62, bytes_read=87861,
>>> cells_written=62, bytes_written=332026, bloom_filter_accesses=126,
>>> bloom_filter_maybes=18, bloom_filter_false_positives=0,
>>> bloom_filter_memory55296, shadow_cache_memory=0, block_index_memory=548778,
>>> memory_allocated=1048576, memory_used=887224, disk_used=256125360}
>>> RangeStats= {RangeId=03AEDE16F994E807B8D2E557AD5F4186, TableId=1/0,
>>> SchemaGeneration=1, scans=12, cells_read=46, bytes_read=13129,
>>> cells_written=20, bytes_written=2812, bloom_filter_accesses=96,
>>> bloom_filter_maybes=12, bloom_filter_false_positives=0,
>>> bloom_filter_memory52224, shadow_cache_memory=16674365650213660900,
>>> block_index_memory=546384, memory_allocated=524288, memory_used=418360,
>>> disk_used=256325695}
>>> RangeStats= {RangeId=041E6226BA81966CDD79CB79D027BE9B, TableId=1/0,
>>> SchemaGeneration=1, scans=17, cells_read=55, bytes_read=35009,
>>> cells_written=34, bytes_written=5739, bloom_filter_accesses=119,
>>> bloom_filter_maybes=17, bloom_filter_false_positives=0,
>>> bloom_filter_memory53248, shadow_cache_memory=0, block_index_memory=538352,
>>> memory_allocated=1048576, memory_used=815328, disk_used=246599399}
>>> ...
>>>
>>>
>>>
>>> Does it matter?  what goes wrong in rangeserver?
>>>
>>>
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