Hi,
On 06/23/2016 08:05 PM, Luke Bakken wrote:
I think the documentation for multi backend could use some
improvement. Once you configure Riak to use the "multi" storage
backend, you must then *name* backends to be used by your bucket
types:
Here is a configuration that you can use, that would create two
backends, one using the memory backend that is *named*
"my_memory_backend", and one using the leveldb backend that is named
"my_leveldb_backend":
In riak.conf:
storage_backend = multi
multi_backend.my_memory_backend.storage_backend = memory
multi_backend.my_leveldb_backend.storage_backend = leveldb
The following is an example of setting a leveldb-specific setting for
the "my_leveldb_backend" named backend:
multi_backend.my_leveldb_backend.leveldb.maximum_memory.percent = 70
According to this, my memory_backend.max_memory_per_vnode setting should
look like this, right?
multi_backend.my_memory_backend.storage_backend = memory
multi_backend.my_memory_backend.memory_backend.max_memory_per_vnode = 1G
Which gives:
10:20:08.249 [error] Error generating configuration in phase
transform_datatypes
10:20:08.249 [error] Error transforming datatype for:
multi_backend.my_memory_backend.memory_backend.max_memory_per_vnode
Trying:
multi_backend.my_memory_backend.max_memory_per_vnode = 1G
yields:
10:21:33.109 [error] You've tried to set
multi_backend.my_memory_backend.max_memory_per_vnode, but there is no
setting with that name.
10:21:33.109 [error] Did you mean one of these?
10:21:33.204 [error] multi_backend.$name.memory_backend.max_memory_per_vnode
10:21:33.204 [error] memory_backend.max_memory_per_vnode
10:21:33.204 [error] multi_backend.$name.leveldb.maximum_memory.percent
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