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index: shorten indexer thread names

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`BaseIndex` currently uses the same name for logs, `getindexinfo`, prune locks, and the sync thread.
Linux truncates system thread names to 15 visible bytes after the `b-` prefix, so long indexer names are clipped in system tools.

Pass a separate thread name explicitly at each `BaseIndex` call site and shorten the OS-visible indexer names to `txidx`, `blkfltbscidx`, `coinstatsidx`, and `txospenderidx`.
Add an `Assume` to `ThreadRename()` so future OS-visible thread names keep fitting the same Linux limit.
The public index names, `getindexinfo` keys, command-line options, and on-disk paths stay unchanged.

Co-authored-by: winterrdog <winterrdog@users.noreply.github.com>
Co-authored-by: Hodlinator <172445034+hodlinator@users.noreply.github.com>
Co-authored-by: sedited <seb.kung@gmail.com>
Co-authored-by: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
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Lőrinc
2026-05-20 14:57:19 +03:00
parent d69c46292d
commit d3e40af259
11 changed files with 29 additions and 18 deletions
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doc/developer-notes.md
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@@ -708,7 +708,7 @@ and its `cs_KeyStore` lock for example).
- [HTTP worker threads (`b-http.xx`)](https://doxygen.bitcoincore.org/httpserver_8cpp.html#http_pool)
: Threads to service RPC and REST requests.
- [Indexer threads (`b-txindex`, etc)](https://doxygen.bitcoincore.org/class_base_index.html#index_sync)
- [Indexer threads (`b-txidx`, `b-blkfltbscidx`, `b-coinstatsidx`, `b-txospenderidx`)](https://doxygen.bitcoincore.org/class_base_index.html#index_sync)
: One thread per indexer.
- [SchedulerThread (`b-scheduler`)](https://doxygen.bitcoincore.org/class_c_scheduler.html#scheduler)