How we build and operate the Keboola data platform
Ondřej Hlaváček
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Ondřej Hlaváček
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3 min read
Dogfooding: Papertrail, Snowflake and JSON logs
We're piping a lot of logs into Papertrail. From server logs to application events, everything goes there. The speed, powerful search and…
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Ondřej Hlaváček
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2 min read
Parallel Multipart Uploads to S3 in PHP
Being a Keboola Connection developer has some benefits. Due to it's async/batch nature I don't have to worry about milliseconds or dive…
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Ondřej Hlaváček
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3 min read
Querying JSON Ad-hoc in Snowflake
Sometimes I end up with a serialized JSON stored in a relational database (or in a CSV file). It often contains data structures that are…
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Ondřej Hlaváček
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2 min read
OpenRefine PHP Client
A week or two ago I started playing with OpenRefine and its integration with Keboola Connection. Couple years ago I remember playing with…