Flinkcdc3.0.1整库同步到Doris2.0.4，mysql分库分表合成一张表，flink程序运行一段时间后，突然发现Doris不再更新了，但mysql库表在正常新增和更新，flink程序以及Doris使用也都是正常的。
> const&, unsigned long, unsigned long, bool) at /home/zcp/repo_center/doris_release/doris/be/src/vec/functions/function.h:183 7# doris::vectorized::VectorizedFnCall::execute(doris::vectorized::VExprContext*, doris::vectorized::Block*, int*) at /home/zcp/repo_center/doris_release/doris/be/src/vec/exprs/vectorized_fn_call.cpp:159 8# doris::vectorized::VectorizedFnCall::execute(doris::vectorized::VExprContext*, doris::vectorized::Block*, int*) at /home/zcp/repo_center/doris_release/doris/be/src/common/status.h:442 9# doris::vectorized::VectorizedFnCall::execute(doris::vectorized::VExprContext*, doris::vectorized::Block*, int*) at /home/zcp/repo_center/doris_release/doris/be/src/common/status.h:442 10# doris::vectorized::VectorizedFnCall::execute(doris::vectorized::VExprContext*, doris::vectorized::Block*, int*) at /home/zcp/repo_center/doris_release/doris/be/src/common/status.h:442 11# doris::vectorized::VExprContext::execute(doris::vectorized::Block*, int*) at /home/zcp/repo_center/doris_release/doris/be/src/common/status.h:354 12# doris::vectorized::VExprContext::get_output_block_after_execute_exprs(std::vector
, std::allocator > > const&, doris::vectorized::Block const&, doris::vectorized::Block*, bool) at /home/zcp/repo_center/doris_release/doris/be/src/common/status.h:442 13# doris::vectorized::VMysqlResultWriter
::append_block(doris::vectorized::Block&) at /home/zcp/repo_center/doris_release/doris/be/src/common/status.h:442 14# doris::vectorized::VResultSink::send(doris::RuntimeState*, doris::vectorized::Block*, bool) at /home/zcp/repo_center/doris_release/doris/be/src/common/status.h:442 15# doris::pipeline::DataSinkOperator
::sink(doris::RuntimeState*, doris::vectorized::Block*, doris::pipeline::SourceState) at /home/zcp/repo_center/doris_release/doris/be/src/pipeline/exec/operator.h:0 16# doris::pipeline::PipelineTask::execute(bool*) at /home/zcp/repo_center/doris_release/doris/be/src/common/status.h:437 17# doris::pipeline::TaskScheduler::_do_work(unsigned long) at /home/zcp/repo_center/doris_release/doris/be/src/common/status.h:354 18# doris::ThreadPool::dispatch_thread() at /home/zcp/repo_center/doris_release/doris/be/src/util/threadpool.cpp:0 19# doris::Thread::supervise_thread(void*) at /var/local/ldb_toolchain/bin/../usr/include/pthread.h:562 20# start_thread 21# __clone2024-04-02 13:07:00,419 WARN (mysql-nio-pool-2853|775382) [Coordinator.getNext():1175] Query a7bb9eea2b2447cd-92a6ca6e5f354b27 failed: (10.196.71.170)[CANCELLED][BUFFER_ALLOCATION_FAILED]concat output is too large to allocate 0# doris::vectorized::FunctionStringConcat::execute_impl(doris::FunctionContext*, doris::vectorized::Block&, std::vector
