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| author | Wu Wenxiang <wu.wenxiang@99cloud.net> | 2013-06-09 12:17:34 +0800 |
|---|---|---|
| committer | Wu Wenxiang <wu.wenxiang@99cloud.net> | 2013-06-14 08:07:41 +0800 |
| commit | b2da4ea131da5e801c860194845acecb4ef6d808 (patch) | |
| tree | 48fab87c8f2fd7431f34d447e71692f944a9a65f /docs/source | |
| parent | 6111bc9dfe374a0dae7839a325246df8abfb5aa3 (diff) | |
Using sql as default driver for tokens
kvs driver for tokens is not a production quality storage method.
The shortcomings of using kvs as storage driver for tokens:
1. It requires load balancer to persist connections to a single
keystone server by token.
2. The memory will grow out of control until token_flush is run.
3. At some point kvs lookups get very slow because there are millions
of keys in the dict.
4. Process restart invalidates all tokens.
Fixes: bug #1188370
Change-Id: Ic726e12d798b843412158a7b92f5e3e3a654811f
Diffstat (limited to 'docs/source')
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