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SEAWEEDFS - helm chart (2.x)


  • 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) and backup/HA memsql can provide.
  • mysql user/password are created in a k8s secret (secret-seaweedfs-db.yaml) and injected to the filer with ENV.
  • cert config exists and can be enabled, but not been tested.



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:

  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)

Alternative database can also be configured (e.g. leveldb) following the instructions at filer.extraEnvironmentVars.

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:

kubectl label node YOUR_NODE_NAME sw-volume=true,sw-backend=true

on production k8s deployment you will want each pod to have a different host, especially the volume server & the masters, currently all pods (master/volume/filer) have anti-affinity rule to disallow running multiple pod type on the same host. if you still want to run multiple pods of the same type (master/volume/filer) on the same host please set/update the corresponding affinity rule in values.yaml to an empty one:

affinity: ""

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)

you can use ANY storage class you like, just update the correct storage-class for your deployment.

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, need to add more nodes with the corresponding labels.

most of the configuration are available through values.yaml