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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
You're looking at Filestore because your software can only write to a mounted file system? If so, you could mount a Google Cloud Storage bucket with Fuse. I haven't used Fuse myself in production, but it may be worth trying out for your workload.
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