I got this
# HELP mchange_pooleddatasource_1bqq1hg9r1jg9ztp1vpvod0_1d06f631_logintimeout mchange pooleddatasource 1bqq1hg9r1jg9ztp1vpvod0_1d06f631_loginTimeout
# TYPE mchange_pooleddatasource_1bqq1hg9r1jg9ztp1vpvod0_1d06f631_logintimeout counter
mchange_pooleddatasource_1bqq1hg9r1jg9ztp1vpvod0_1d06f631_logintimeout 0.0
# HELP mchange_pooleddatasource_1bqq1hg9r1jg9ztp1vpvod0_38cd4b86_logintimeout mchange pooleddatasource 1bqq1hg9r1jg9ztp1vpvod0_38cd4b86_loginTimeout
# TYPE mchange_pooleddatasource_1bqq1hg9r1jg9ztp1vpvod0_38cd4b86_logintimeout counter
mchange_pooleddatasource_1bqq1hg9r1jg9ztp1vpvod0_38cd4b86_logintimeout 0.0
These values is not meaningful and change (I think) when application restart. Is there a way to rename it to something meaningful?
1bqq1hg9r1jg9ztp1vpvod0
1d06f631
38cd4b86