Merge pull request #4229 from esl/pools/per_host_type #1076

Job	Run time
edoc on OTP 25.2	2m 15s
dialyzer on OTP 25.2	5m 13s
dynamic domains pgsql_mnesia on OTP 26.1.2	18m 37s
internal_mnesia on OTP 26.1.2	18m 53s
dynamic domains mysql_redis on OTP 26.1.2	17m 34s
pgsql_mnesia on OTP 26.1.2	21m 39s
dynamic domains odbc_mssql_mnesia on OTP 26.1.2	20m 35s
mysql_redis on OTP 26.1.2	21m 52s
dynamic domains pgsql_mnesia on OTP 25.3.2.6	18m 4s
centos_7 package	6m 53s
small_tests on OTP 25.3.2.6	9m 21s
odbc_mssql_mnesia on OTP 26.1.2	23m 40s
ubuntu_xenial package	5m 28s
small_tests on OTP 26.1.2	7m 46s
ldap_mnesia on OTP 26.1.2	17m 56s
elasticsearch_and_cassandra_mnesia on OTP 26.1.2	6m 33s
ldap_mnesia on OTP 25.3.2.6	17m 21s
xref on OTP 25.2	2m 5s
pgsql_mnesia on OTP 25.3.2.6	21m 26s
coveralls_webhook	0s
	4h 23m 11s

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