In case you have an oracle exadata database machine, always use 100% percent for collecting optimizer statistics on your tables/schemas , in order to benefit from the smart scans .
http://uhesse.com/2012/07/04/no-smart-scan-with-auto_sample_size/
New Tool: xstack - Completely Passive eBPF Linux Stack Profiling Without
Any Tracepoints
-
I just added another tool into my 0x.tools toolset: xstack is a
lightweight, completely passive stack profiler for Linux that uses eBPF
task iterators to s...
Acum o zi
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