Bourne shell syntax, not Bash syntax. Change "|&" to "2>&1 |" since that's the
traditional way to redirect stdout and stderr to a pipe

tsan documentation says 2-20x, so set it at 20x
asan documentation says 1.2-2.7x, so set it at 3x
msan documentation says 2-4x, so set it at 4x
This is now much less optimistic than before

2. Reactive tsan tests for qps_test
3. Set CPU load for qps_openloop_test
4. Divide qps_openloop_test Poisson rate by the slowdown factor of
   the configuration

This reverts commit 5152cd29.

it on to the CQ like any other.

from the end2end test thread itself (done by adding a TLS on that thread)

Also clang-format

poll overrides in such a way as to avoid polling races

since tsan slows things down a lot and may complicate issues such
as shutdown.

I also added some unrequested const's

Revive it in tests as well

type

it was not actually even included in the library or the test suite.

operator overloads)