Hi, i'm interesting in implementation how ceph store wal in raw block
device in rocksdb?
As i know rocksdb uses fs to put files, i find blobdb in rocksdb code in
utilities does ceph uses it?
Or how ceph uses rocksdb to put kv in raw block device?
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вс, 2 дек. 2018 г., 20:38 Paul Emmerich paul.emmer...@croit.io:
> 10 copies for a replicated setup seems... excessive.
>
I'm try to create golang package for simple key-val store that used ceph
crushmap to distribute data.
For each namespace attach ceph crushmap rule.
>
Hi, i need help with crushmap
I have
3 regions - r1 r2 r3
5 dc - dc1 dc2 dc3 dc4 dc5
dc1 dc2 dc3 in r1
dc4 in r2
dc5 in r3
Each dc have 3 nodes with 2 disks
I need to have 3 rules
rule1 to have 2 copies on two nodes in each dc - 10 copies total failure
domain dc
rule2 to have 2 copies on two
lay 11.4.6.13676)
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Vasiliy Tolstov,
e-mail: v.tols...@selfip.ru
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Why avoid cache tier? Does this only for erasure or for replicated too?
вс, 26 Авг 2018, 7:42 Konstantin Shalygin :
> > Configuration:
> > rbd - erasure pool
> > rbdtier - tier pool for rbd
> >
> > ceph osd tier add-cache rbd rbdtier 549755813888
> > ceph osd tier cache-mode rbdtier writeback
>
ceph crush map.
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Vasiliy Tolstov,
e-mail: v.tols...@selfip.ru
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