Grafana Loki     .oss-single__page-letterhead:after { background-image: url(/static/img/loki_hero.jpg) !important; } .oss-single__page-letterhead:after { opacity: 0.6 !important; } .oss-single__page-letterhead:after { -webkit-filter: blur(1px) !important; -moz-filter: blur(1px) !important; -o-filter: blur(1px) !important; -ms-filter: blur(1px) !important; filter: blur(1px) !important; }    Github
Loki is a horizontally-scalable, highly-available, multi-tenant log aggregation system inspired by Prometheus. It is designed to be very cost effective and easy to operate. It does not index the contents of the logs, but rather a set of labels for each log stream.