client_golang 1.21.1 is released!
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Bartłomiej Płotka
Mar 4, 2025, 10:36:05 AMMar 4
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Hi Gophers!
Prometheus client_golang v1.21.1 was released today and make sure to upgrade if you are on 1.21.0. It addresses the performance regression, affecting the general audience, introduced in the optimization attempt for high concurrency use case. Thanks to all who reported this quickly! This patch release also fixes the iOS build.
In the response to this, we will be hardening the release process even further (#1759, #1761) to prevent this in future. Sorry for the inconvenience and happy coding!
The high concurrency optimization is planned to be eventually reintroduced, however in a much safer manner, potentially in a separate API.
Kind Regards,
Bartek Plotka (@bwplotka)
Prometheus client_golang v1.21.1 was released today and make sure to upgrade if you are on 1.21.0. It addresses the performance regression, affecting the general audience, introduced in the optimization attempt for high concurrency use case. Thanks to all who reported this quickly! This patch release also fixes the iOS build.
In the response to this, we will be hardening the release process even further (#1759, #1761) to prevent this in future. Sorry for the inconvenience and happy coding!
The high concurrency optimization is planned to be eventually reintroduced, however in a much safer manner, potentially in a separate API.
Kind Regards,
Bartek Plotka (@bwplotka)
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