feat(adopters): add cncf and linux foundation usage details (openebs#…

…2953) Include the usage details provided under the comment: openebs#2719 (comment) Signed-off-by: kmova <kiran.mova@mayadata.io>
haxorsprogramming · Mar 5, 2020 · 3006572 · 3006572
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diff --git a/ADOPTERS.md b/ADOPTERS.md
@@ -11,6 +11,7 @@ The list of organizations that have publicly shared the usage of OpenEBS:
 | [Arista Networks](https://www.arista.com/en/) | Gerrit (multiple flavors), NPM, Maven, Redis, NFS, Sonarqube, Internal tools | [English](./adopters/arista/README.md) |
 | [CLEW Medical](https://clewmed.com/) | PostgreSQL, Keycloak, RabbitMQ | [English](./adopters/clewmedical/README.md) |
 | [Clouds Sky GmbH](https://cloudssky.com/en/) | Confluent Kafka, Strimzi Kafka, Elasticsearch, Prometheus | [English](./adopters/cloudssky/README.md) |
+| [CNCF, The Linux Foundation](https://www.linuxfoundation.org/) | PostgreSQL, MariaDB, ElasticSearch, Redis, DevStats | [English](./adopters/cncf/README.md) |
 | [Code Wave](https://codewave.eu/) | Bitwarden, Bookstack, Allegros Ralph, Limesurvey, Grafana, Hackmd/Codimd, Minio, Nextcloud, Percona XtraDB Cluster Operator, Nextcloud, Sonarqube, Sentry, Jupyterhub | [English](./adopters/codewave/README.md) |
 | [Comcast](https://github.com/Comcast) | Prometheus, Alertmanager, Influxdb, Helm Chartmuseum | [English](./adopters/comcast/README.md) |
 | [Orange](https://www.orange.com/en/home) | Prometheus, Alertmanager, ChartMuseum, Harbor, GitLab, PostgreSQL, Redis, OpenLdap, RabbitMQ, MySQL, MinIO, Metabase, ... | [English](./adopters/orange/README.md) |

diff --git a/adopters/cncf/README.md b/adopters/cncf/README.md
@@ -0,0 +1,42 @@
+# Company: CNCF, The Linux Foundation
+
+# Stateful Applications that we are running on OpenEBS
+
+CNCF:
+- PostgresSQL (including automatic backups)
+- NFS server (for allowing multiple r/w access)
+- nginx (serving home pages, backups, CSV reports etc)
+- Storage for git repositories clones
+- All DevStats applications (homegrown)
+
+The Linux Foundation:
+- MariaDB database (Helm master + slave replication, automatic backups)
+- ElasticSearch cluster (Helm chart master + 4 slave nodes)
+- Postgres (including automatic backups)
+- Redis
+- Grimoire stack (CHAOSS)
+- Storage for git repositories clones
+- Homegrown tools (SDS - sync data sources, golang orchestrator to fetch Grimoire data)
+
+# Type of OpenEBS Storage Engines behind the above applications
+
+- Local PV - for everything, speed is the main reason. Postgres uses 4-node Patroni stateful deployment (1 master and 3 replication nodes). All runs on bare metal servers from packet.com, stateful DB storage is 4 local PV volumes each about 3.2T size.
+- NFS server (with local PV underlying) for allowing multiple clients access.
+
+# Are you evaluating or already using in development, CI/CD, production?
+
+Used in `test` and `production` deployments (they're separated into different namespaces).
+Everything runs on Kubernetes + Helm.
+
+# Are you using for home use or for your organization?
+
+Used for my organization (Both CNCF and The Linux Foundation)
+
+# A brief description of the use case or details on how OpenEBS is helping your projects.
+
+Installing Kubernetes, then configuring `/var/openebs` on all nodes, then installing OpenEBS, making `openebs-hostpath` default storage engine, installing NFS for shared access. Finally, everything installed in Kubernetes uses OpenEBS.
+
+See:
+- https://github.com/cncf/devstats-helm#setup-per-node-local-storage.
+- https://github.com/cncf/devstats-helm#architecture (Storage section).
+