Dan Burkert created KUDU-1657:
---------------------------------
Summary: read-only FsManager::Open on active tablet can crash
Key: KUDU-1657
URL: https://issues.apache.org/jira/browse/KUDU-1657
Project: Kudu
Issue Type: Bug
Reporter: Dan Burkert
Assignee: Dan Burkert
alter_table-randomized-test.cc is currently flaky due to a crash in the
LogVerifier that happens because FsManager is not robust to running in
read-only mode against an actively writing tablet. The root of the issue is a
stale data container length that is used after reading new metadata. The
failure results in log messages such as:
{code}
F0927 19:37:39.883033 22107 log_block_manager.cc:535] Found malformed block
record in data file:
/tmp/kudutest-4348/insert-verify-itest.InsertVerifyITest.TestInsertAndVerify.1475030222707874-17327/minicluster-data/ts-0/data/e4ade118175d48cabd2085014a6d762e.data
Record: block_id {
id: 1525
}
op_type: CREATE
timestamp_us: 1475030259882913
offset: 5840896
length: 279030
Data file size: 6119892
*** Check failure stack trace: ***
@ 0x7f86ce57bf5d google::LogMessage::Fail() at ??:0
@ 0x7f86ce57de5d google::LogMessage::SendToLog() at ??:0
@ 0x7f86ce57ba99 google::LogMessage::Flush() at ??:0
@ 0x7f86ce57e8ff google::LogMessageFatal::~LogMessageFatal() at ??:0
@ 0x7f86cfe4e32b
kudu::fs::internal::LogBlockContainer::CheckBlockRecord() at ??:0
@ 0x7f86cfe4dc8d
kudu::fs::internal::LogBlockContainer::ReadContainerRecords() at ??:0
@ 0x7f86cfe5731a kudu::fs::LogBlockManager::OpenRootPath() at ??:0
@ 0x7f86cfe69023 kudu::internal::RunnableAdapter<>::Run() at ??:0
@ 0x7f86cfe66959 kudu::internal::InvokeHelper<>::MakeItSo() at ??:0
@ 0x7f86cfe63a77 kudu::internal::Invoker<>::Run() at ??:0
@ 0x7f86d598b542 kudu::Callback<>::Run() at ??:0
@ 0x7f86d598fe61 boost::_mfi::cmf0<>::operator()() at ??:0
@ 0x7f86d598f93e boost::_bi::list1<>::operator()<>() at ??:0
@ 0x7f86d598f05d boost::_bi::bind_t<>::operator()() at ??:0
@ 0x7f86d598e860
boost::detail::function::void_function_obj_invoker0<>::invoke() at ??:0
@ 0x7f86d1296732 boost::function0<>::operator()() at ??:0
@ 0x7f86cf402124 kudu::FunctionRunnable::Run() at ??:0
@ 0x7f86cf401556 kudu::ThreadPool::DispatchThread() at ??:0
@ 0x7f86cf405824 boost::_mfi::mf1<>::operator()() at ??:0
@ 0x7f86cf40542b boost::_bi::list2<>::operator()<>() at ??:0
@ 0x7f86cf404ecd boost::_bi::bind_t<>::operator()() at ??:0
@ 0x7f86cf4047fe
boost::detail::function::void_function_obj_invoker0<>::invoke() at ??:0
@ 0x7f86d1296732 boost::function0<>::operator()() at ??:0
@ 0x7f86cf3f8717 kudu::Thread::SuperviseThread() at ??:0
@ 0x3ae0e079d1 (unknown) at ??:0
@ 0x3ae0ae88fd (unknown) at ??:0
@ (nil) (unknown)
{code}
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