【TiDB 使用环境】生产环境
【TiDB 版本】v7.5.5
【遇到的问题：问题现象及影响】
tikv异常重启，查看日志如下：
2025-10-14 15:36:40 (UTC+08:00)TiKV 10.55.170.48:30160[lib.rs:512] [“region 58346100 commit_ts: TimeStamp(461485480471167221), resolved_ts: TimeStamp(461485480523596607)”] [backtrace=" 0: tikv_util::set_panic_hook::{{closure}}\n at /workspace/source/tikv/components/tikv_util/src/lib.rs:511:18\n 1: <alloc::boxed::Box<F,A> as core::ops::function::Fn>::call\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:2032:9\n std::panicking::rust_panic_with_hook\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:692:13\n 2: std::panicking::begin_panic_handler::{{closure}}\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:579:13\n 3: std::sys_common::backtrace::__rust_end_short_backtrace\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/backtrace.rs:137:18\n 4: rust_begin_unwind\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:575:5\n 5: core::panicking::panic_fmt\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panicking.rs:65:14\n 6: cdc::delegate::Delegate::sink_txn_put\n at /workspace/source/tikv/components/cdc/src/delegate.rs:929:21\n cdc::delegate::Delegate::sink_put\n at /workspace/source/tikv/components/cdc/src/delegate.rs:889:13\n cdc::delegate::Delegate::sink_data\n at /workspace/source/tikv/components/cdc/src/delegate.rs:694:21\n 7: cdc::delegate::Delegate::on_batch\n at /workspace/source/tikv/components/cdc/src/delegate.rs:561:17\n 8: cdc::endpoint::Endpoint<T,E,S>::on_multi_batch\n at /workspace/source/tikv/components/cdc/src/endpoint.rs:889:33\n <cdc::endpoint::Endpoint<T,E,S> as tikv_util::worker::pool::Runnable>::run\n at /workspace/source/tikv/components/cdc/src/endpoint.rs:1283:18\n 9: tikv_util::worker::pool::Worker::start_with_timer_impl::{{closure}}\n at /workspace/source/tikv/components/tikv_util/src/worker/pool.rs:506:25\n <core::future::from_generator::GenFuture as core::future::future::Future>::poll\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/future/mod.rs:91:19\n <tracker::tls::TrackedFuture as core::future::future::Future>::poll::{{closure}}\n at /workspace/source/tikv/components/tracker/src/tls.rs:64:23\n std:
:local::LocalKey::try_with\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/local.rs:446:16\n std::local::LocalKey::with\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/local.rs:422:9\n <tracker::tls::TrackedFuture as core::future::future::Future>::poll\n at /workspace/source/tikv/components/tracker/src/tls.rs:62:9\n <futures_util::future::future:
:Map<Fut,F> as core::future::future::Future>::poll\n at /workspace/.cargo/registry/src/mirrors.tuna.tsinghua.edu.cn-df7c3c540f42cdbd/futures-util-0.3.31/src/future/future/map.rs:55:37\n <futures_util::future::future::Map<Fut,F> as core::future::future::Future>::poll\n at /workspace/.cargo/registry/src/mirrors.tuna.tsinghua.edu.cn-df7c3c540f42cdbd/futures-util-0.3.31/src/lib.rs:86:13\n yatp::task::future::RawTask::poll\n at /workspace/.cargo/git/checkouts/yatp-e704b73c3ee279b6/5572a78/src/task/future.rs:59:9\n 10: yatp::task::future::TaskCell::poll\n at /workspace/.cargo/git/checkouts/yatp-e704b73c3ee279b6/5572a78/src/task/future.rs:103:9\n <yatp::task::future::Runner as yatp::pool:
:Runner>::handle\n at /workspace/.cargo/git/checkouts/yatp-e704b73c3ee279b6/5572a78/src/task/future.rs:387:20\n 11: <tikv_util::yatp_pool::YatpPoolRunner as yatp::pool::Runner>::handle\n at /workspace/source/tikv/components/tikv_util/src/yatp_pool/mod.rs:199:24\n yatp::pool::worker::WorkerThread<T,R>::run\n at /workspace/.cargo/git/checkouts/yatp-e704b73c3ee279b6/5572a78/src/pool/worker.rs:48:13\n yatp::pool::builder::LazyBuilder::build::{{closure}}\n at /workspace/.cargo/git/checkouts/yatp-e704b73c3ee279b6/5572a78/src/pool/builder.rs:114:25\n std::sys_common::backtrace::rust_begin_short_backtrace\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/backtrace.rs:121:18\n 12: std::Builder::spawn_unchecked::{{closure}}::{{closure}}\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:551:17\n <core::panic::unwind_safe::AssertUnwindSafe as core::ops::function::FnOnce<()>>::call_once\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9\n std::panicking::try::do_call\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:483:40\n std::panicking::try\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:447:19\n std::panic::catch_unwind\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:137:14\n std::Builder::spawn_unchecked::{{closure}}\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:550:30\n core::ops::function::FnOnce::call_once{{vtable.shim}}\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:513:5\n 13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce>::call_once\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:2000:9\n <alloc::boxed::Box<F,A> as core::ops::function::FnOnce>::call_once\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:2000:9\n std::sys::unix:
:thread_start\n at /root/.rustup/toolchains/nightly-2022-11-15-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/thread.rs:108:17\n 14: start_thread\n 15: __clone\n"] [location=components/cdc/src/delegate.rs:929] [thread_name=cdc-0] [thread_id=34]
如何通过日志查看tikv重启的原因呢，似乎日志并不能看出什么