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Mark Ray edited this page Nov 20, 2018
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Version 5.7 (11/20/2018) - See What's New!
- Download latest RPM or DEB package on the Releases page
LinuxKI Quick Reference Guide
LinuxKI Frequently Asked Questions
LinuxKI MasterClass
Contact Mark Ray at [email protected]
- LinuxKI Mainpage
- LinuxKI Basic Documentation
- LinuxKI 7.10 - New!!
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LinuxKI Warnings
- High System CPU utilization during memory allocations, deallocations, and page faults
- RunQ delays for critical processes can impact performance in a variety of ways
- Performance degradation on Microsoft Windows due to TCP interrupt timeouts
- Microsoft SQLServer scaling issues caused by SQL auto statistics
- Excessive page faults on KVM host
- Large IOs (>1MB) causing performance degradation on servers with PCIe Smart Array Controllers
- Oracle column tracking causing high CPU usage by Oracle processes
- Side-Channel Attack mitigation
- High SYS CPU time by processes reading /proc/stat such
- hugetlb_fault lock contention
- Excessive CPU time in pcc_cpufreq driver
- Excessive poll() calls by Oracle
- High wait time in md_flush()
- High BLOCK SoftIRQ times
- Network Latency Tuned profile
- Power vs. Performance
- Unaligned Direct IO
- NUMA Balancing
- NUMA Off
- SAP DB2 semget
- Semaphore Lock Scaling
- Tasklet IRQs
- Unterminated ixgbe NICs
- Poor Direct IO Reads
- RHEL 7.3 / SLES 12SP2 Multipath bug
- Barrier Writes