Core dump in ObCSExecutor::process_sub_task during asynchronous index operation
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dima
type: bug
- Dominant language
- C++
- Stars
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- Merged PRs (30d)
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Description
Environment
- Version: OceanBase seekdb
- Source Revision: 1-76402494846b6b2f9ae2db02e09ce5dae471a9b7
- Component: seekdb (OceanBase seekdb)
Description
A core dump occurred in the asynchronous index component. The crash happened in the oceanbase::share::ObCSExecutor::process_sub_task method.
Details
- Crash Location:
./src/share/change_stream/ob_change_stream_worker.cpp:173 - Function Signature:
oceanbase::share::ObCSExecutor::process_sub_task (this=0xa001c9fa030, sub_task=<optimized out>) - Build Revision: 1-76402494846b6b2f9ae2db02e09ce5dae471a9b7
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with src/share/change_stream/ob_change_stream_worker.cpp:173 and the oceanbase::share::ObCSExecutor::process_sub_task entry point. Reproduce or inspect the core dump using source revision 1-76402494846b6b2f9ae2db02e09ce5dae471a9b7, then trace the asynchronous index operation until the crash cause is identified and the operation no longer produces a core dump.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- databases
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100