Backport(v1.19): buffer: resume buffer correctly even though path contains [] (#5300)#5305
Merged
Watson1978 merged 1 commit intov1.19from Mar 30, 2026
Merged
Backport(v1.19): buffer: resume buffer correctly even though path contains [] (#5300)#5305Watson1978 merged 1 commit intov1.19from
Watson1978 merged 1 commit intov1.19from
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**Which issue(s) this PR fixes**: Fixes #4407 **What this PR does / why we need it**: If buffer path contains [] such as "path test/${tag[0]}", when resuming buffer process can't find them without escaping bracket. Thus buffer files remains under that directory. NOTE: recommended tag spec is specified in routing documentation, but it is easily shoot your legs in practical use-case, so it is better to take care of that case. https://docs.fluentd.org/configuration/config-file#interlude-routing **Docs Changes**: N/A **Release Note**: N/A Signed-off-by: Kentaro Hayashi <hayashi@clear-code.com> Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Watson1978
approved these changes
Mar 30, 2026
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Which issue(s) this PR fixes:
Backport #5300
Fixes #4407
What this PR does / why we need it:
If buffer path contains [] such as "path test/${tag[0]}", when resuming buffer process can't find them without escaping bracket.
Thus buffer files remains under that directory.
NOTE: recommended tag spec is specified in routing documentation, but it is easily shoot your legs in practical use-case, so it is better to take care of that case.
https://docs.fluentd.org/configuration/config-file#interlude-routing
Docs Changes:
N/A
Release Note:
N/A