* Permanently resolve the memory exhaustion in AMQP

Introduce;
- `MEMORY_PROFILING_DUMP_PATH`
- `MEMORY_PROFILING_TIME_INTERVAL`
environment variables and make `startMemoryProfiler` method more parameterized.

* Fix a leak in HTTP

* Revert "Fix a leak in HTTP"

This reverts commit 9d46820ff3730bc5ef80f90243a42b12e8f695fb.

* Set maximum AMQP message size to 16MB

* Set `GOGC` to 12800

* Remove some commented out lines and an unnecessary `else if`