Generally for two fixes: race on server connection open and for reduce memory consumption in relay
when dst reads slower than src produces.
Also tcmalloc and dummy built-in memory profiling support was added to investigate possible mem leaks.
What's Changed
- fix route_wait race by @rkhapov in #1249
- add tcmalloc profile support by @rkhapov in #1253
- do not accumulate too large iov by @rkhapov in #1255
Full Changelog: v1.5.1-rc2...v1.5.1-rc3