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Taming Discard Latency Spikes

Learned a crucial lesson on read/write latency when fixing a real ScyllaDB issue! Discover how TRIM requests impact NVMe SSDs with XFS online discard enabled. Uncover the problems and explore potential solutions. 

19 minutes
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Patryk Wróbel, Software Engineer at ScyllaDB

Patryk is a C++ and programming enthusiast whose experience includes the development of a compute runtime for GPUs and contributions to the 5G packet scheduler. Since January 2024, he has been rendering services to ScyllaDB as a remote software engineer.