About
spark is a performance profiler, made up of three main components.
Profiler
spark can help to diagnose performance problems and bottlenecks with its built-in profiler.Memory Inspection
spark can produce full heap dumps, present a summary of what’s using the most memory, and monitor GC activity.Health Reporting
spark monitors and reports a number of key metrics which are useful for tracking performance over time.Viewer
This website is also an online viewer for spark data.
In order to use it:
- Generate a profile or heap summary using the appropriate spark commands.
- After the data has been uploaded, click the link to open the viewer.
You can also generate or export a .sparkprofile or .sparkheap file and open it by dragging it into the box below.
Drag & drop a profile/heap file here or click to select
(only.sparkprofile or .sparkheap files are accepted)