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How Uber Reduced Their Log Size By 99%

How Uber Reduced Their Log Size By 99%

Uber tackled its massive log storage challenge, generating 5 PB of logs monthly, by utilizing a phased Compressed Log Processing (CLP) approach with Zstandard compression, achieving a 99.4% reduction in storage size by offloading memory-intensive steps to Hadoop Distributed File System (HDFS), thereby extending log retention from three days to a month.


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