I couldn't, because I already migrate all data, myself
Stop mongos, on the second shards execute insert to first shards and delete from it
However, I did not see any error messages in log, at all mongod, mongos instances
Azat Khuzhin.
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There's a query, to another collection, this played role?
And also what about yields?
Azat Khuzhin.
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That collection not shaded
But even if was sharded, it must migrate 1 chunk in hour (1 hour is also very alloy I think), which mongo don't
Azat Khuzhin.
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See also the IRC channel -- freenode.net#mongodb
Azat Khuzhin
Are you using ext4?
ext3, but you already write that ext4 is better
On Tue, May 15, 2012 at 12:32 PM, gregor wrote:
Are you using ext4?
On Tuesday, May 15, 2012 9:13:48 AM UTC+1, Azat Khuzhin wrote:
I'v already migrate all data myself.
So maybe at weekends I try doing this on ec2 instance.
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Azat Khuzhin
if you ask me if I convert ext3 -> ext4, the answer is - no. I can't do this at this time.
This is not because of disk IO slows process
iostat shows that reads/writes to disk not so much, as it could be. The same situation with process resources.
On shard00 (first, the same machine mongos runs)
Yes, space enough
Now I do some tests on ec2shard (moveChunk) & unshard (removeshard)
When I finished, and if not forget, I post my results here
On Tue, May 22, 2012 at 2:03 PM, Azat Khuzhin <a3at...@gmail.com> wrote:
Maybe but don't sure.
And if there is a queries to shard, that I what to remove, not many and that will be find() by field, by that field collection have index
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Azat Khuzhin