Four easy changes reduced the total memory usage of Spark’s Node.js backend from 4+ GB to ~360 MB: Convert plain data objects to class instances. De-duplicate immutable string values. Carefully choose how you calculate percentiles. Represent timestamps as numbers.
SPARK is checking whether public content stored on Filecoin can be retrieved. This post explains how SPARK samples Filecoin deals to find content that is expected to be publicly retrievable.
SPARK is checking whether public content stored on Filecoin can be retrieved. This post explains how SPARK Spark discovers the CIDs (content identifiers) of the data stored in Filecoin deals.
On April 18th 2024, the overall Filecoin retrieval success rate (RSR), as measured by Spark, was 1.22%. Many Storage Providers were simply not serving retrievals. On the 25th September 2024, Spark measured the overall Filecoin RSR at 12.8%, a 10.5x improvement.
Spark sees 10x improvement in Filecoin retrievability
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Miroslav Bajtoš
