TechDan Luualmost 11 years ago
Reading postmortems
12 min read
A study of 48 critical failures in Cassandra, HBase, HDFS, MapReduce, and Redis found that 92% stem from incorrectly handled errors. 25% of bugs come from ignoring an error, 8% from catching the wrong exception, and 2% from incomplete TODOs. Cascading failures from sequential bugs are common.
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