Comments (4)
ack, it is a minor bug.
change that is need is an additional if statement that checks for randrw.
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@keesturam touchstone deals with related concerns. It's not ripsaw's job to calculate %deviation. ripsaw is just an operator that runs a benchmark. snafu is just a benchmark wrapper that digests the output data and injects it into elasticsearch. What we do from there is up to us. Alex has an fio grafana dashboard that calculates it, here's an example. Avi has a script that generates %deviation for smallfile data, same method could be used by OCS QE for fio if this is appropriate. Or we could try to build this code into the fio-client pod so that when it is done injecting per-pod results into ES, it would go the extra mile and compute aggregate results, %deviation across samples, etc. @acalhounRH does this seem technically feasible?
Smallfile used to have an orchestrator process that would run all the workload processes, then aggregate per-thread results into cluster-level results before Kubernetes came along, but right now it can't because there is no shared filesystem, there is just elastic search and a bunch of smallfile pods synchronized by redis. Someone (Avi?) suggested that smallfile should have an "orchestration" pod much like fio does, so when all the smallfile worker pods finish, the orchestrator pod could go into ES and finish reducing the data, much like Avi's script is doing. Instead of using a shared filesystem like smallfile used to do, Redis could be used for synchronization, and ES is the shared repository where the data can be placed and found. I like that idea.
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@bengland2 Implementation of arriving at a standard deviation is available in the analyzed results. It works for sequential workload and doesn't work on random workload. As I understand from the conversation with @acalhounRH this is a minor bug that needs to be fixed.
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Related Issues (20)
- Add CLI Option to Purge Empty Fields in ES
- Determine and Implement Versioning Schema
- ElasticSearch Unified Index HOT 3
- Addition of Collectors and Sample Abstraction Request HOT 2
- Create Signal Protocol HOT 4
- Extend Common Benchmark Fields HOT 4
- [Proposal] Index Environment Metadata for every benchmark HOT 4
- Quay trigger sometimes fails HOT 2
- snafu base image HOT 16
- 2 things I don't like about current cache dropping HOT 1
- backlog of ES results results in failure to get yielded results to ES?
- Inconsistent Benchmark and Quay Image Names HOT 10
- Can the grafana dashboard metric percentiles of bandwidth/latency in the fio ES index can use compare different run? HOT 5
- run_snafu does not protect against bad JSON data in certain failures HOT 2
- FIO and SF failed to run HOT 8
- Uperf test fails but does not exit with error HOT 2
- Elasticsearch: credential authentication HOT 5
- centos image resources .repo points to wrong URL
- scale_openshift_wrapper should expose parameters to target machineset from different labels HOT 1
- uperf Docker Image creation fails on ppc64le HOT 3
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