%CPU utilization is a lie(brendanlong.com)
396 points by BrendanLong | 135 comments
Blog post by Brendan Long arguing that %CPU utilization reported by tools like top misrepresents how close servers are to their actual capacity limits.
2 stories tagged cpu-utilization, newest first.
396 points by BrendanLong | 135 comments
Blog post by Brendan Long arguing that %CPU utilization reported by tools like top misrepresents how close servers are to their actual capacity limits.
470 points by atomlib | 207 comments
Blog post debugging a Java service hitting 3,200% CPU across 32 cores, traced via thread dumps to concurrent unsynchronized TreeMap.put calls.