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| author | C2D <50617709+i404788@users.noreply.github.com> | 2022-08-01 02:07:09 +0200 |
|---|---|---|
| committer | C2D <50617709+i404788@users.noreply.github.com> | 2022-08-01 00:11:40 +0000 |
| commit | 1c2c7a3a65954bd82f7b9c1f7d2d25b674053917 (patch) | |
| tree | 9eb5c2f53f0997ff78de0edcc5b948bd7de4983a | |
| parent | afef014832f30e8e783d4524e0933cffe91d944c (diff) | |
| download | seaweedfs-1c2c7a3a65954bd82f7b9c1f7d2d25b674053917.tar.xz seaweedfs-1c2c7a3a65954bd82f7b9c1f7d2d25b674053917.zip | |
Added details on database requirements
| -rw-r--r-- | k8s/helm_charts2/README.md | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/k8s/helm_charts2/README.md b/k8s/helm_charts2/README.md index c5615522c..715dcffa7 100644 --- a/k8s/helm_charts2/README.md +++ b/k8s/helm_charts2/README.md @@ -1,6 +1,6 @@ -## SEAWEEDFS - helm chart (2.x) +# SEAWEEDFS - helm chart (2.x) -### info: +## Info: * master/filer/volume are stateful sets with anti-affinity on the hostname, so your deployment will be spread/HA. * chart is using memsql(mysql) as the filer backend to enable HA (multiple filer instances) @@ -9,12 +9,26 @@ and backup/HA memsql can provide. with ENV. * cert config exists and can be enabled, but not been tested. -### prerequisites -kubernetes node have labels which help to define which node(Host) will run which pod. +## Prerequisites +### Database +A running MySQL-compatible database is expected by default, as specified in the `values.yaml` at `filer.extraEnvironmentVars`. +This database should be pre-configured and initialized by running: +```sql +CREATE TABLE IF NOT EXISTS filemeta ( + dirhash BIGINT COMMENT 'first 64 bits of MD5 hash value of directory field', + name VARCHAR(1000) BINARY COMMENT 'directory or file name', + directory TEXT BINARY COMMENT 'full path to parent directory', + meta LONGBLOB, + PRIMARY KEY (dirhash, name) +) DEFAULT CHARSET=utf8; +``` -s3/filer/master needs the label **sw-backend=true** +Alternative database can also be configured (e.g. leveldb) following the instructions at `filer.extraEnvironmentVars`. -volume need the label **sw-volume=true** +### Node Labels +Kubernetes node have labels which help to define which node(Host) will run which pod: +* s3/filer/master needs the label **sw-backend=true** +* volume need the label **sw-volume=true** to label a node to be able to run all pod types in k8s: ``` @@ -29,7 +43,7 @@ please set/update the corresponding affinity rule in values.yaml to an empty one ```affinity: ""``` -### PVC - storage class ### +## PVC - storage class ### on the volume stateful set added support for K8S PVC, currently example with the simple local-path-provisioner from Rancher (comes included with k3d / k3s) @@ -38,7 +52,7 @@ https://github.com/rancher/local-path-provisioner you can use ANY storage class you like, just update the correct storage-class for your deployment. -### current instances config (AIO): +## current instances config (AIO): 1 instance for each type (master/filer+s3/volume) you can update the replicas count for each node type in values.yaml, |