grpc @ weaveworks
Post on 22-Mar-2017
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Who Am I?
• Director Software Engineering at Weaveworks
• Home brewer
Previously:
• SRE for Google Analytics
• Founder/CTO at Acunu
• Engineer at XenSource
@tom_wilkie
https://github.com/tomwilkie
Work on https://cloud.weave.works, our service for exploring, deploying and monitoring Micro Services…
1. gRPC for Prometheus
Retriever
scraping
your jobs
Your DC
Weave Cloud
Frontend, Authenticator
Distributor
Ingester
Distributor…
IngesterIngester
DynamoDB S3 http://goo.gl/qsJlrQ
gRPC?
2. gRPC intra service
Retriever
scraping
your jobs
Your DC
Weave Cloud
Frontend, Authenticator
Distributor
Ingester
Distributor…
IngesterIngester
DynamoDB S3
gRPC?
gRPC?
gRPC?
3. gRPC monitoringhttps://github.com/weaveworks/common/blob/master/middleware/
grpc_instrumentation.go
4. HTTP over gRPC
https://www.weave.works/turtles-way-http-grpc/https://github.com/weaveworks/common/tree/master/httpgrpc
FrontendBackendweavecortex
Client
HTTP
gRPC
- Frontend parses HTTP request - Sends generic gRPC request - Backend turns it back in HTTP
5. gRPC Streaming
New system uses gRPC streaming to send data to other ingester.
Now takes ~14s per instance.
leaving instance
weavecortex joining instance
weavecortex
gRPC stream
1. gRPC for Prometheus
2. gRPC from Weave Cloud
3. gRPC monitoring
4. HTTP over gRPC
5. gRPC streaming
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