Tip of the Day: Performance Analytics Stats Break Down

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  • Updated 4 years ago
In Delphix 4.0 there have been a lot of improvements in the Analytics GUI, please reference the following for more information:
  • CPU Utilization:Total CPU utilization for all CPUs. This statistic includes both kernel and user time.
  • Network Throughput: Measures throughput in bytes and packets, broken down by sent vs. received data and by network interface. Each network interface shows four graphed lines: bytes sent, bytes received, packets sent, and packets received. To help easily correlate bytes and packets, the same color is used for both bytes and packet values.
  • Disk IO:Measures a number of IO operations, and the latencies and throughput of the underlying storage layer. The statistic is represented by the graphs - a column chart for IO operations, a heat map for latency distribution, and a line chart for throughput. IO operations are grouped by reads and writes. A shaded rectangle on a latency heat map represents an IO operation (read or write) which falls within a particular time range (bucket). The shading of rectangles depends on the number of IO operations that fall within a particular bucket - the higher the count the darker the shading.
  • NFS: Measures a number of IO operations and the latencies and throughput of the NFS server layer in the Delphix Engine. Its graphical representation is similar to the Disk IO graph. It is useful to diagnose performance of dSources and VDBs that use NFS mounts (Oracle, PostgreSQL).
  • iSCSI: Measures the number of IO operations, and the latencies and throughput, of the iSCSI server layer in the Delphix Engine. Its graphical representation is similar to the Disk IO graph. It is useful to diagnose performance of Microsoft SQL Server dSources and VDBs.

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Posted 4 years ago

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