CEPH RGW 设置 user default_placement为ssd-placement,优化100KB-200KB小文件性能,使用户创建的bucket对象放置到 SSD设备上。

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sudo
radosgw-admin metadata get user:tuanzi > user.md.json vi user.md.json #to add ssd-placement { "key": "user:tuanzi", "ver": { "tag": "__gHSAD0K7rEZcQ2m3qT_RWk", "ver": 1 }, "mtime": "2017-02-27 06:48:17.488750Z", "data": { "user_id": "tuanzi", "display_name": "tuanzi", "email": "", "suspended": 0, "max_buckets": 1000, "auid": 0, "subusers": [], "keys": [ { "user": "tuanzi", "access_key": "xxx", "secret_key": "xxx" } ], "swift_keys": [], "caps": [], "op_mask": "read, write, delete", "default_placement": "ssd-placement", "placement_tags": [], "bucket_quota": { "enabled": false, "max_size_kb": -1, "max_objects": -1 }, "user_quota": { "enabled": false, "max_size_kb": -1, "max_objects": -1 }, "temp_url_keys": [], "attrs": [ { "key": "user.rgw.idtag", "val": "" }, { "key": "user.rgw.manifest", "val": "" } ] } } sudo radosgw-admin metadata put user:tuanzi <user.md.json

 

$ radosgw-admin region get > region.conf.json
$ cat region.conf.json
{ "name": "default",
  "api_name": "",
  "is_master": "true",
  "endpoints": [],
  "master_zone": "",
  "zones": [
        { "name": "default",
          "endpoints": [],
          "log_meta": "false",
          "log_data": "false"}],
  "placement_targets": [
        { "name": "default-placement",
          "tags": []}],
  "default_placement": "default-placement"}


#<edit region config, add a new placement target>

{ "name": "default",
  "api_name": "",
  "is_master": "true",
  "endpoints": [],
  "master_zone": "",
  "zones": [
        { "name": "default",
          "endpoints": [],
          "log_meta": "false",
          "log_data": "false"}],
  "placement_targets": [
        { "name": "default-placement",
          "tags": []},
        { "name": "ssd-placement",
          "tags": []}],
  "default_placement": "default-placement"}

$ radosgw-admin region set < region.conf.json

 

sudo radosgw-admin zone get --rgw-zone=default >zone.json

#先创建在SSD设备上的default.rgw.buckets.data.ssd pool

vi zone.json # add ssd-placement 
{
    "id": "3d240698-79c4-4af0-abab-6b83b340a538",
    "name": "default",
    "domain_root": "default.rgw.data.root",
    "control_pool": "default.rgw.control",
    "gc_pool": "default.rgw.gc",
    "log_pool": "default.rgw.log",
    "intent_log_pool": "default.rgw.intent-log",
    "usage_log_pool": "default.rgw.usage",
    "user_keys_pool": "default.rgw.users.keys",
    "user_email_pool": "default.rgw.users.email",
    "user_swift_pool": "default.rgw.users.swift",
    "user_uid_pool": "default.rgw.users.uid",
    "system_key": {
        "access_key": "",
        "secret_key": ""
    },
    "placement_pools": [
        {
            "key": "default-placement",
            "val": {
                "index_pool": "default.rgw.buckets.index",
                "data_pool": "default.rgw.buckets.data",
                "data_extra_pool": "default.rgw.buckets.non-ec",
                "index_type": 0
            }
        },
        {
            "key": "ssd-placement",
            "val": {
                "index_pool": "default.rgw.buckets.index",
                "data_pool": "default.rgw.buckets.data.ssd",
                "data_extra_pool": "default.rgw.buckets.non-ec",
                "index_type": 0
            }
        }
    ],
    "metadata_heap": "default.rgw.meta",
    "realm_id": ""
}

sudo radosgw-admin zone set --rgw-zone=default --infile zone.json

 

设置以上规则后,再创建的bucket 放置规则是新的ssd-placement规则了。

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