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Tantivy is too chatty (most info! should be debug!) #3004

Description

@nwin

Describe the bug
tantivy seems to info-log every detail even internal details that would absolutely flood the log in a large scale deployment. I do not think that every commit, gc run and deleted file should be logged.

Example

2026-07-20T07:13:43.663594Z  INFO tantivy::indexer::index_writer: Prepared commit 593
2026-07-20T07:13:43.663632Z  INFO tantivy::indexer::prepared_commit: committing 593
2026-07-20T07:13:43.672844Z  INFO tantivy::indexer::segment_updater: save metas
2026-07-20T07:13:43.675163Z  INFO tantivy::indexer::segment_updater: Running garbage collection
2026-07-20T07:13:43.675211Z  INFO tantivy::directory::managed_directory: Garbage collect
2026-07-20T07:13:43.675395Z  INFO tantivy::directory::managed_directory: Deleted "d2d1f5b26a7344148ef79ae494d4de03.586.del"
2026-07-20T07:13:43.675456Z  INFO tantivy::directory::managed_directory: Deleted "8e1eae88d7b248b4bbb7e54ad1d1498e.fieldnorm"
2026-07-20T07:13:43.675530Z  INFO tantivy::directory::managed_directory: Deleted "8e1eae88d7b248b4bbb7e54ad1d1498e.store"
2026-07-20T07:13:43.675639Z  INFO tantivy::directory::managed_directory: Deleted "8e1eae88d7b248b4bbb7e54ad1d1498e.pos"
2026-07-20T07:13:43.675741Z  INFO tantivy::directory::managed_directory: Deleted "8e1eae88d7b248b4bbb7e54ad1d1498e.593.del"
2026-07-20T07:13:43.675818Z  INFO tantivy::directory::managed_directory: Deleted "8e1eae88d7b248b4bbb7e54ad1d1498e.idx"
2026-07-20T07:13:43.675873Z  INFO tantivy::directory::managed_directory: Deleted "8e1eae88d7b248b4bbb7e54ad1d1498e.fast"
2026-07-20T07:13:43.675924Z  INFO tantivy::directory::managed_directory: Deleted "8e1eae88d7b248b4bbb7e54ad1d1498e.term"
2026-07-20T07:13:52.282156Z  INFO tantivy::indexer::index_writer: Preparing commit
2026-07-20T07:13:52.284355Z  INFO tantivy::indexer::index_writer: Prepared commit 612
2026-07-20T07:13:52.284398Z  INFO tantivy::indexer::prepared_commit: committing 612
2026-07-20T07:13:52.284899Z  INFO tantivy::indexer::segment_updater: save metas
2026-07-20T07:13:52.288839Z  INFO tantivy::indexer::segment_updater: Running garbage collection
2026-07-20T07:13:52.288879Z  INFO tantivy::directory::managed_directory: Garbage collect

Which version of tantivy are you using?
0.26.1

To Reproduce
Set log level to info.

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