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Description
Grid task tracing is a very specific utility functionality that allows external tools to get a method-level statistics on the main execution flow in GridGain. As almost all kernel level functionality in GridGain the tracing is designed as SPI (Service Provider Interface). It consists of the public API and one or more implementation. Unlike all other SPIs - tracing SPI is optional and GridGain will start normally without tracing SPI implementation provided.
Tracing is not exposed to the user-level and is never accessed directly. Developer can provide tracing SPI implementation in configuration if he or she needs to track and monitor method invocations on the main execution flow within the GridGain.
Tracing SPI
Tracing SPI provides pluggable tracing facility for GridGain. System runtime intercepts main implementation methods and notifies this SPI. Implementations of this SPI provide any necessary processing of interception callbacks like collecting statistics, searching for patterns, passing further to external monitoring console, etc.
