Sergey Sidorov

Sergey Sidorov

Software Engineer, Storage Engine

Sergey is an infrastructure engineer focused on distributed storage and compute systems for large-scale data and AI/ML workloads. At Elastic, he works on Elasticsearch’s storage engine and query infrastructure. Previously, at Meta, he built serverless compute and storage infrastructure supporting some of the company’s largest distributed systems.
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Articles by Sergey Sidorov
How we built PromQL into Elasticsearch
Elasticsearch Labs

How we built PromQL into Elasticsearch

PromQL runs on the same Elasticsearch compute engine as ES|QL, with no plugin and no separate process to operate. Getting there meant changing how the engine evaluates time windows and builds grouping keys.

Sergey Sidorov