[Bug]: Jaeger v2 Using CRD OpenTelemetryCollector cannot use 0 replicas to create Elasticsarch Index #7123
Description
What happened?
jaeger 2.6.0 use default replicas(1) to create elasticsearch index when CRD OpenTelemetryCollector use 0 replicas.
relates to
#754
Maybe this condition is affecting
https://github.com/jaegertracing/jaeger/blob/main/internal/storage/elasticsearch/config/config.go#L358
Steps to reproduce
apiVersion: opentelemetry.io/v1beta1
kind: OpenTelemetryCollector
metadata:
name: ${name}
namespace: ${namespace}
spec:
mode: deployment
image: jaegertracing/jaeger:2.6.0
ports:
- name: jaeger
port: 16686
config:
service:
extensions: [jaeger_storage, jaeger_query]
pipelines:
traces:
receivers: [otlp]
exporters: [jaeger_storage_exporter]
extensions:
jaeger_query:
storage:
traces: elasticsearch
jaeger_storage:
backends:
elasticsearch:
elasticsearch:
server_urls:
- http://localhost:9200
indices:
index_prefix: ""
spans:
date_layout: "2006-01-02"
rollover_frequency: "day"
shards: 2
replicas: 0
services:
date_layout: "2006-01-02"
rollover_frequency: "day"
shards: 2
replicas: 0
dependencies:
date_layout: "2006-01-02"
rollover_frequency: "day"
shards: 2
replicas: 0
sampling:
date_layout: "2006-01-02"
rollover_frequency: "day"
shards: 2
replicas: 0
receivers:
otlp:
protocols:
grpc:
endpoint: 0.0.0.0:4317
http:
endpoint: 0.0.0.0:4318
exporters:
jaeger_storage_exporter:
trace_storage: elasticsearch
ES output settings
"number_of_replicas":"1",
{
"jaeger-span-2025-05-14":{
"settings":{
"index":{
"routing":{
"allocation":{
"include":{
"_tier_preference":"data_content"
}
}
},
"mapping":{
"nested_fields":{
"limit":"50"
}
},
"number_of_shards":"2",
"provided_name":"jaeger-span-2025-05-14",
"creation_date":"1747242100856",
"requests":{
"cache":{
"enable":"true"
}
},
"number_of_replicas":"1",
"uuid":"Z5eqFn_BTJObC8Hkssbcmw",
"version":{
"created":"8521000"
}
}
}
}
}Expected behavior
in ES index settings
"number_of_replicas":"0"Relevant log output
elasticsearch index setting
{
"jaeger-span-2025-05-14":{
"settings":{
"index":{
"routing":{
"allocation":{
"include":{
"_tier_preference":"data_content"
}
}
},
"mapping":{
"nested_fields":{
"limit":"50"
}
},
"number_of_shards":"2",
"provided_name":"jaeger-span-2025-05-14",
"creation_date":"1747242100856",
"requests":{
"cache":{
"enable":"true"
}
},
"number_of_replicas":"1",
"uuid":"Z5eqFn_BTJObC8Hkssbcmw",
"version":{
"created":"8521000"
}
}
}
}
}Screenshot
No response
Additional context
No response
Jaeger backend version
v2.6.0
SDK
No response
Pipeline
OTLP > Jaeger v26.0 (using OpenTelemetryCollector CRD) > ES v8.17 storage
Stogage backend
Elasticsearch 8.17
Operating system
Linux
Deployment model
Kubernetes with Opentelemetry-operator
Deployment configs
apiVersion: opentelemetry.io/v1beta1
kind: OpenTelemetryCollector
metadata:
name: ${name}
namespace: ${namespace}
spec:
mode: deployment
image: jaegertracing/jaeger:2.6.0
ports:
- name: jaeger
port: 16686
config:
service:
extensions: [jaeger_storage, jaeger_query]
pipelines:
traces:
receivers: [otlp]
exporters: [jaeger_storage_exporter]
extensions:
jaeger_query:
storage:
traces: elasticsearch
jaeger_storage:
backends:
elasticsearch:
elasticsearch:
server_urls:
- http://localhost:9200
indices:
index_prefix: ""
spans:
date_layout: "2006-01-02"
rollover_frequency: "day"
shards: 2
replicas: 0
services:
date_layout: "2006-01-02"
rollover_frequency: "day"
shards: 2
replicas: 0
dependencies:
date_layout: "2006-01-02"
rollover_frequency: "day"
shards: 2
replicas: 0
sampling:
date_layout: "2006-01-02"
rollover_frequency: "day"
shards: 2
replicas: 0
receivers:
otlp:
protocols:
grpc:
endpoint: 0.0.0.0:4317
http:
endpoint: 0.0.0.0:4318
exporters:
jaeger_storage_exporter:
trace_storage: elasticsearch