[jira] [Updated] (KUDU-3107) TestRpc.TestCancellationMultiThreads fail on ARM sometimes due to service queue is full

2020-04-17 Thread liusheng (Jira)


 [ 
https://issues.apache.org/jira/browse/KUDU-3107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

liusheng updated KUDU-3107:
---
Issue Type: Task  (was: Bug)

> TestRpc.TestCancellationMultiThreads fail on ARM sometimes due to service 
> queue is full
> ---
>
> Key: KUDU-3107
> URL: https://issues.apache.org/jira/browse/KUDU-3107
> Project: Kudu
>  Issue Type: Task
>Reporter: liusheng
>Priority: Major
> Attachments: rpc-test.txt
>
>
> The test TestRpc.TestCancellationMultiThreads fail sometimes on ARM mechine 
> due the the "service queue full" error. related  error message:
> {code:java}
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 318)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 319)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 320)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 321)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 324)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 332)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 334)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 335)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 336)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 337)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 338)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 339)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 340)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 341)
> F0416 13:01:38.616358 31937 rpc-test.cc:1471] Check failed: 
> controller.status().IsAborted() || controller.status().IsServiceUnavailable() 
> || controller.status().ok() Remote error: Service unavailable: PushStrings 
> request on kudu.rpc.GenericCalculatorService from 127.0.0.1:41516 dropped due 
> to backpressure. The service queue is full; it has 100 items.
> *** Check failure stack trace: ***
> PC: @0x0 (unknown)
> *** SIGABRT (@0x3e86bbf) received by PID 27583 (TID 0x84b1f050) from 
> PID 27583; stack trace: ***
> @ 0x93cf0464 raise at ??:0
> @ 0x93cf18b4 abort at ??:0
> @ 0x942c5fdc google::logging_fail() at ??:0
> @ 0x942c7d40 google::LogMessage::Fail() at ??:0
> @ 0x942c9c78 google::LogMessage::SendToLog() at ??:0
> @ 0x942c7874 google::LogMessage::Flush() at ??:0
> @ 0x942ca4fc google::LogMessageFatal::~LogMessageFatal() at ??:0
> @ 0xdcee4940 kudu::rpc::SendAndCancelRpcs() at ??:0
> @ 0xdcee4b98 
> _ZZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvENKUlvE_clEv
>  at ??:0
> @ 0xdcee76bc 
> _ZSt13__invoke_implIvZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_JEET_St14__invoke_otherOT0_DpOT1_
>  at ??:0
> @ 0xdcee7484 
> _ZSt8__invokeIZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_JEENSt15__invoke_resultIT_JDpT0_EE4typeEOS5_DpOS6_
>  at ??:0
> @ 0xdcee8208 
> _ZNSt6thread8_InvokerISt5tupleIJZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_EEE9_M_invokeIJLm0DTcl8__invokespcl10_S_declvalIXT_ESt12_Index_tupleIJXspT_EEE
>  at ??:0
> @ 0xdcee8168 
> _ZNSt6thread8_InvokerISt5tupleIJZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_EEEclEv
>  at ??:0
> @ 0xdcee8110 
> _ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_E6_M_runEv
>  at ??:0
> @ 0x93f22e94 (unknown) at ??:0
> @ 0x93e1e088 start_thread at ??:0
> @ 0x93d8e4ec (unknown) at ??:0
> {code}
> The attatchment is the full test log



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[jira] [Updated] (KUDU-3107) TestRpc.TestCancellationMultiThreads fail on ARM sometimes due to service queue is full

2020-04-17 Thread liusheng (Jira)


 [ 
https://issues.apache.org/jira/browse/KUDU-3107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

liusheng updated KUDU-3107:
---
Parent: KUDU-3007
Issue Type: Sub-task  (was: Task)

> TestRpc.TestCancellationMultiThreads fail on ARM sometimes due to service 
> queue is full
> ---
>
> Key: KUDU-3107
> URL: https://issues.apache.org/jira/browse/KUDU-3107
> Project: Kudu
>  Issue Type: Sub-task
>Reporter: liusheng
>Priority: Major
> Attachments: rpc-test.txt
>
>
> The test TestRpc.TestCancellationMultiThreads fail sometimes on ARM mechine 
> due the the "service queue full" error. related  error message:
> {code:java}
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 318)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 319)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 320)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 321)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 324)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 332)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 334)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 335)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 336)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 337)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 338)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 339)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 340)
> Call kudu.rpc.GenericCalculatorService.PushStrings from 127.0.0.1:41516 
> (request call id 341)
> F0416 13:01:38.616358 31937 rpc-test.cc:1471] Check failed: 
> controller.status().IsAborted() || controller.status().IsServiceUnavailable() 
> || controller.status().ok() Remote error: Service unavailable: PushStrings 
> request on kudu.rpc.GenericCalculatorService from 127.0.0.1:41516 dropped due 
> to backpressure. The service queue is full; it has 100 items.
> *** Check failure stack trace: ***
> PC: @0x0 (unknown)
> *** SIGABRT (@0x3e86bbf) received by PID 27583 (TID 0x84b1f050) from 
> PID 27583; stack trace: ***
> @ 0x93cf0464 raise at ??:0
> @ 0x93cf18b4 abort at ??:0
> @ 0x942c5fdc google::logging_fail() at ??:0
> @ 0x942c7d40 google::LogMessage::Fail() at ??:0
> @ 0x942c9c78 google::LogMessage::SendToLog() at ??:0
> @ 0x942c7874 google::LogMessage::Flush() at ??:0
> @ 0x942ca4fc google::LogMessageFatal::~LogMessageFatal() at ??:0
> @ 0xdcee4940 kudu::rpc::SendAndCancelRpcs() at ??:0
> @ 0xdcee4b98 
> _ZZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvENKUlvE_clEv
>  at ??:0
> @ 0xdcee76bc 
> _ZSt13__invoke_implIvZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_JEET_St14__invoke_otherOT0_DpOT1_
>  at ??:0
> @ 0xdcee7484 
> _ZSt8__invokeIZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_JEENSt15__invoke_resultIT_JDpT0_EE4typeEOS5_DpOS6_
>  at ??:0
> @ 0xdcee8208 
> _ZNSt6thread8_InvokerISt5tupleIJZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_EEE9_M_invokeIJLm0DTcl8__invokespcl10_S_declvalIXT_ESt12_Index_tupleIJXspT_EEE
>  at ??:0
> @ 0xdcee8168 
> _ZNSt6thread8_InvokerISt5tupleIJZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_EEEclEv
>  at ??:0
> @ 0xdcee8110 
> _ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJZN4kudu3rpc41TestRpc_TestCancellationMultiThreads_Test8TestBodyEvEUlvE_E6_M_runEv
>  at ??:0
> @ 0x93f22e94 (unknown) at ??:0
> @ 0x93e1e088 start_thread at ??:0
> @ 0x93d8e4ec (unknown) at ??:0
> {code}
> The attatchment is the full test log



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[jira] [Resolved] (KUDU-2986) Incorrect value for the 'live_row_count' metric with pre-1.11.0 tables

2020-04-17 Thread Alexey Serbin (Jira)


 [ 
https://issues.apache.org/jira/browse/KUDU-2986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Alexey Serbin resolved KUDU-2986.
-
Fix Version/s: 1.12.0
   Resolution: Fixed

> Incorrect value for the 'live_row_count' metric with pre-1.11.0 tables
> --
>
> Key: KUDU-2986
> URL: https://issues.apache.org/jira/browse/KUDU-2986
> Project: Kudu
>  Issue Type: Bug
>  Components: CLI, client, master, metrics
>Affects Versions: 1.11.0
>Reporter: YifanZhang
>Assignee: LiFu He
>Priority: Major
> Fix For: 1.12.0
>
>
> When we upgraded the cluster with pre-1.11.0 tables, we got inconsistent 
> values for the 'live_row_count' metric of these tables:
> When visiting masterURL:port/metrics, we got 0 for old tables, and got a 
> positive integer for a old table with a newly added partition, which is the 
> count of rows in the newly added partition.
> When getting table statistics via `kudu table statistics` CLI tool, we got 0 
> for old tables and the old table with a new parition.



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[jira] [Updated] (KUDU-3108) Tablet server crashes when handle scan request

2020-04-17 Thread YifanZhang (Jira)


 [ 
https://issues.apache.org/jira/browse/KUDU-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

YifanZhang updated KUDU-3108:
-
Description: 
When we use KuduBackup Spark job to backup tables in a  cluster with 20 
tservers,  3 tservers crashed, coredump stacks are the same:
{code:java}
Program terminated with signal 11, Segmentation fault.Program terminated with 
signal 11, Segmentation fault.
#0  kudu::Schema::Compare 
(this=0x25b883680, lhs=..., rhs=...) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/rowblock.h:267
267 /home/zhangyifan8/work/kudu-xm/src/kudu/common/rowblock.h: No such file or 
directory.
Missing separate debuginfos, use: debuginfo-install 
bzip2-libs-1.0.6-13.el7.x86_64 cyrus-sasl-gssapi-2.1.26-20.el7_2.x86_64 
cyrus-sasl-lib-2.1.26-20.el7_2.x86_64 cyrus-sasl-md5-2.1.26-20.el7_2.x86_64 
cyrus-sasl-plain-2.1.26-20.el7_2.x86_64 elfutils-libelf-0.166-2.el7.x86_64 
elfutils-libs-0.166-2.el7.x86_64 glibc-2.17-157.el7_3.1.x86_64 
keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.14.1-27.el7_3.x86_64 
libattr-2.4.46-12.el7.x86_64 libcap-2.22-8.el7.x86_64 
libcom_err-1.42.9-9.el7.x86_64 libdb-5.3.21-19.el7.x86_64 
libgcc-4.8.5-28.el7_5.1.x86_64 libselinux-2.5-6.el7.x86_64 
ncurses-libs-5.9-13.20130511.el7.x86_64 
nss-softokn-freebl-3.16.2.3-14.4.el7.x86_64 
openssl-libs-1.0.1e-60.el7_3.1.x86_64 pcre-8.32-15.el7_2.1.x86_64 
systemd-libs-219-30.el7_3.8.x86_64 xz-libs-5.2.2-1.el7.x86_64 
zlib-1.2.7-17.el7.x86_64
(gdb) bt
#0  kudu::Schema::Compare 
(this=0x25b883680, lhs=..., rhs=...) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/rowblock.h:267
#1  0x01da51fb in kudu::MergeIterator::RefillHotHeap 
(this=this@entry=0x78f6ec500) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/generic_iterators.cc:720
#2  0x01da622b in kudu::MergeIterator::AdvanceAndReheap 
(this=this@entry=0x78f6ec500, state=0xd1661a000, 
num_rows_to_advance=num_rows_to_advance@entry=1)    at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/generic_iterators.cc:690
#3  0x01da7927 in kudu::MergeIterator::MaterializeOneRow 
(this=this@entry=0x78f6ec500, dst=dst@entry=0x7f0d5cc9ffc0, 
dst_row_idx=dst_row_idx@entry=0x7f0d5cc9fbb0)    at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/generic_iterators.cc:894
#4  0x01da7de3 in kudu::MergeIterator::NextBlock (this=0x78f6ec500, 
dst=0x7f0d5cc9ffc0) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/generic_iterators.cc:796
#5  0x00a9ff19 in kudu::tablet::Tablet::Iterator::NextBlock 
(this=, dst=) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/tablet/tablet.cc:2499
#6  0x0095475c in 
kudu::tserver::TabletServiceImpl::HandleContinueScanRequest 
(this=this@entry=0x53b5a90, req=req@entry=0x7f0d5cca0720,     
rpc_context=rpc_context@entry=0x5e512a460, 
result_collector=result_collector@entry=0x7f0d5cca0a00, 
has_more_results=has_more_results@entry=0x7f0d5cca0886,     
error_code=error_code@entry=0x7f0d5cca0888) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/tserver/tablet_service.cc:2565
#7  0x00966564 in 
kudu::tserver::TabletServiceImpl::HandleNewScanRequest 
(this=this@entry=0x53b5a90, replica=0xf5c0189c0, req=req@entry=0x2a15c240,     
rpc_context=rpc_context@entry=0x5e512a460, 
result_collector=result_collector@entry=0x7f0d5cca0a00, 
scanner_id=scanner_id@entry=0x7f0d5cca0940,     
snap_timestamp=snap_timestamp@entry=0x7f0d5cca0950, 
has_more_results=has_more_results@entry=0x7f0d5cca0886, 
error_code=error_code@entry=0x7f0d5cca0888)    at 
/home/zhangyifan8/work/kudu-xm/src/kudu/tserver/tablet_service.cc:2476
#8  0x00967f4b in kudu::tserver::TabletServiceImpl::Scan 
(this=0x53b5a90, req=0x2a15c240, resp=0x56f9be6c0, context=0x5e512a460)    at 
/home/zhangyifan8/work/kudu-xm/src/kudu/tserver/tablet_service.cc:1674
#9  0x01d2e449 in operator() (__args#2=0x5e512a460, 
__args#1=0x56f9be6c0, __args#0=, this=0x497ecdd8) at 
/usr/include/c++/4.8.2/functional:2471
#10 kudu::rpc::GeneratedServiceIf::Handle (this=0x53b5a90, call=) at /home/zhangyifan8/work/kudu-xm/src/kudu/rpc/service_if.cc:139
#11 0x01d2eb49 in kudu::rpc::ServicePool::RunThread (this=0x2ab69560) 
at /home/zhangyifan8/work/kudu-xm/src/kudu/rpc/service_pool.cc:225
#12 0x01e9e924 in operator() (this=0x90fb52e8) at 
/home/zhangyifan8/work/kudu-xm/thirdparty/installed/uninstrumented/include/boost/function/function_template.hpp:771
#13 kudu::Thread::SuperviseThread (arg=0x90fb52c0) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/util/thread.cc:657
#14 0x7f103b20cdc5 in start_thread () from /lib64/libpthread.so.0
#15 0x7f103956673d in clone () from /lib64/libc.so.6
{code}

  was:
When we use KuduBackup{{}} Spark job to backup tables in a  cluster with 20 
tservers,  3 tservers crashed, coredump stacks are the same:
{code:java}
[Thread debugging using libthread_db enabled][Thread debugging using 
libthread_db enabled]Using host libthread_db library 
"/lib64/libthread_db.so.1".Missing 

[jira] [Created] (KUDU-3108) Tablet server crashes when handle scan request

2020-04-17 Thread YifanZhang (Jira)
YifanZhang created KUDU-3108:


 Summary: Tablet server crashes when handle scan request 
 Key: KUDU-3108
 URL: https://issues.apache.org/jira/browse/KUDU-3108
 Project: Kudu
  Issue Type: Bug
Affects Versions: 1.10.1
Reporter: YifanZhang


When we use KuduBackup{{}} Spark job to backup tables in a  cluster with 20 
tservers,  3 tservers crashed, coredump stacks are the same:
{code:java}
[Thread debugging using libthread_db enabled][Thread debugging using 
libthread_db enabled]Using host libthread_db library 
"/lib64/libthread_db.so.1".Missing separate debuginfo for 
/home/work/app/kudu/zjyprc-hadoop/tablet_server/package/libstdc++.so.6Try: yum 
--enablerepo='*debug*' install 
/usr/lib/debug/.build-id/b3/d9128bcf6786292a339a477953167d0ddab5ba.debugCore 
was generated by 
`/home/work/app/kudu/zjyprc-hadoop/tablet_server/package/kudu_tablet_server 
-tse'.Program terminated with signal 11, Segmentation fault.#0  
kudu::Schema::Compare (this=0x25b883680, 
lhs=..., rhs=...) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/rowblock.h:267267 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/rowblock.h: No such file or 
directory.Missing separate debuginfos, use: debuginfo-install 
bzip2-libs-1.0.6-13.el7.x86_64 cyrus-sasl-gssapi-2.1.26-20.el7_2.x86_64 
cyrus-sasl-lib-2.1.26-20.el7_2.x86_64 cyrus-sasl-md5-2.1.26-20.el7_2.x86_64 
cyrus-sasl-plain-2.1.26-20.el7_2.x86_64 elfutils-libelf-0.166-2.el7.x86_64 
elfutils-libs-0.166-2.el7.x86_64 glibc-2.17-157.el7_3.1.x86_64 
keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.14.1-27.el7_3.x86_64 
libattr-2.4.46-12.el7.x86_64 libcap-2.22-8.el7.x86_64 
libcom_err-1.42.9-9.el7.x86_64 libdb-5.3.21-19.el7.x86_64 
libgcc-4.8.5-28.el7_5.1.x86_64 libselinux-2.5-6.el7.x86_64 
ncurses-libs-5.9-13.20130511.el7.x86_64 
nss-softokn-freebl-3.16.2.3-14.4.el7.x86_64 
openssl-libs-1.0.1e-60.el7_3.1.x86_64 pcre-8.32-15.el7_2.1.x86_64 
systemd-libs-219-30.el7_3.8.x86_64 xz-libs-5.2.2-1.el7.x86_64 
zlib-1.2.7-17.el7.x86_64(gdb) bt#0  kudu::Schema::Compare (this=0x25b883680, lhs=..., rhs=...) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/rowblock.h:267#1  
0x01da51fb in kudu::MergeIterator::RefillHotHeap 
(this=this@entry=0x78f6ec500) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/generic_iterators.cc:720#2  
0x01da622b in kudu::MergeIterator::AdvanceAndReheap 
(this=this@entry=0x78f6ec500, state=0xd1661a000, 
num_rows_to_advance=num_rows_to_advance@entry=1)    at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/generic_iterators.cc:690#3  
0x01da7927 in kudu::MergeIterator::MaterializeOneRow 
(this=this@entry=0x78f6ec500, dst=dst@entry=0x7f0d5cc9ffc0, 
dst_row_idx=dst_row_idx@entry=0x7f0d5cc9fbb0)    at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/generic_iterators.cc:894#4  
0x01da7de3 in kudu::MergeIterator::NextBlock (this=0x78f6ec500, 
dst=0x7f0d5cc9ffc0) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/common/generic_iterators.cc:796#5  
0x00a9ff19 in kudu::tablet::Tablet::Iterator::NextBlock 
(this=, dst=) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/tablet/tablet.cc:2499#6  
0x0095475c in 
kudu::tserver::TabletServiceImpl::HandleContinueScanRequest 
(this=this@entry=0x53b5a90, req=req@entry=0x7f0d5cca0720,     
rpc_context=rpc_context@entry=0x5e512a460, 
result_collector=result_collector@entry=0x7f0d5cca0a00, 
has_more_results=has_more_results@entry=0x7f0d5cca0886,     
error_code=error_code@entry=0x7f0d5cca0888) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/tserver/tablet_service.cc:2565#7  
0x00966564 in kudu::tserver::TabletServiceImpl::HandleNewScanRequest 
(this=this@entry=0x53b5a90, replica=0xf5c0189c0, req=req@entry=0x2a15c240,     
rpc_context=rpc_context@entry=0x5e512a460, 
result_collector=result_collector@entry=0x7f0d5cca0a00, 
scanner_id=scanner_id@entry=0x7f0d5cca0940,     
snap_timestamp=snap_timestamp@entry=0x7f0d5cca0950, 
has_more_results=has_more_results@entry=0x7f0d5cca0886, 
error_code=error_code@entry=0x7f0d5cca0888)    at 
/home/zhangyifan8/work/kudu-xm/src/kudu/tserver/tablet_service.cc:2476#8  
0x00967f4b in kudu::tserver::TabletServiceImpl::Scan (this=0x53b5a90, 
req=0x2a15c240, resp=0x56f9be6c0, context=0x5e512a460)    at 
/home/zhangyifan8/work/kudu-xm/src/kudu/tserver/tablet_service.cc:1674#9  
0x01d2e449 in operator() (__args#2=0x5e512a460, __args#1=0x56f9be6c0, 
__args#0=, this=0x497ecdd8) at 
/usr/include/c++/4.8.2/functional:2471#10 kudu::rpc::GeneratedServiceIf::Handle 
(this=0x53b5a90, call=) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/rpc/service_if.cc:139#11 
0x01d2eb49 in kudu::rpc::ServicePool::RunThread (this=0x2ab69560) at 
/home/zhangyifan8/work/kudu-xm/src/kudu/rpc/service_pool.cc:225#12 
0x01e9e924 in operator() (this=0x90fb52e8) at