Tempo Using ‘local’ Backend Only in Monolithic Mode

[cpeliciari]

Name and Version

bitnami/tempo:3.7.13

What architecture are you using?

None

What steps will reproduce the bug?

Basically, the Tempo documentation states that the local backend should only be used in monolithic mode. There should be a warning in the documentation mentioning this.

Grafana Docs

# Storage configuration for traces
storage:

trace:

# The storage backend to use
# Should be one of "gcs", "s3", "azure" or "local" (only supported in the monolithic mode)
# CLI flag -storage.trace.backend
[backend: <string>]

Chart

storage:
trace:
{{- if .Values.storage.trace.block.version }}
block:
version: {{.Values.storage.trace.block.version}}
{{- if .Values.storage.trace.block.dedicated_columns}}
parquet_dedicated_columns:
{{ .Values.storage.trace.block.dedicated_columns | toYaml | nindent 8}}
{{- end }}
{{- end }}
pool:
max_workers: {{ .Values.storage.trace.pool.max_workers }}
queue_depth: {{ .Values.storage.trace.pool.queue_depth }}
backend: {{.Values.storage.trace.backend}}
{{- if eq .Values.storage.trace.backend "s3"}}
s3:
{{- toYaml .Values.storage.trace.s3 | nindent 6}}
{{- end }}
{{- if eq .Values.storage.trace.backend "gcs"}}
gcs:
{{- toYaml .Values.storage.trace.gcs | nindent 6}}
{{- end }}
{{- if eq .Values.storage.trace.backend "azure"}}
azure:
{{- toYaml .Values.storage.trace.azure | nindent 6}}
{{- end }}
blocklist_poll: 5m
local:
path: /var/tempo/traces
wal:
path: /var/tempo/wal

What do you see instead?

level=warn ts=2024-11-24T19:30:25.336663437Z caller=wal.go:110 msg="failed to replay block. removing." file=e0f96804-c124-4b4c-80a0-06035a98f189+single-tenant+vParquet4 err="error reading wal meta json: /bitnami/grafana-tempo/data/wal/e0f96804-c124-4b4c-80a0-06035a98f189+single-tenant+vParquet4/meta.json: open /bitnami/grafana-tempo/data/wal/e0f96804-c124-4b4c-80a0-06035a98f189+single-tenant+vParquet4/meta.json: no such file or directory"

[carrodher]

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