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Pavel Yaskevich commented on CASSANDRA-6746:
[~benedict] I think you can
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Benedict commented on CASSANDRA-6746:
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I've updated the ticket to a minor
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Pavel Yaskevich commented on CASSANDRA-6746:
Thanks @Ryan
Reads have a
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Benedict commented on CASSANDRA-6746:
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bq. maybe there is something wrong with
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Pavel Yaskevich commented on CASSANDRA-6746:
Well, what I wanted to check
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Benedict commented on CASSANDRA-6746:
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@enigmacurry looks kosher.
It won't be
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Benedict commented on CASSANDRA-6746:
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CASSANDRA-6916 is my proposed solution to
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Pavel Yaskevich commented on CASSANDRA-6746:
bq. In practice, moving the
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Benedict commented on CASSANDRA-6746:
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I assumed that the idea is to turn off
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Pavel Yaskevich commented on CASSANDRA-6746:
The idea is pretty simple -
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Pavel Yaskevich commented on CASSANDRA-6746:
[~enigmacurry] I almost
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Ryan McGuire commented on CASSANDRA-6746:
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Sure. Do you still want the
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Pavel Yaskevich commented on CASSANDRA-6746:
[~enigmacurry] No, let's not
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Ryan McGuire commented on CASSANDRA-6746:
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[~xedin] Here's results for
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Pavel Yaskevich commented on CASSANDRA-6746:
[~enigmacurry] Yes, it would
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Ryan McGuire commented on CASSANDRA-6746:
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I ran a mixed read / write workload
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Pavel Yaskevich commented on CASSANDRA-6746:
[~enigmacurry] Thanks for the
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Ryan McGuire commented on CASSANDRA-6746:
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@benedict can you confirm if my
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Ryan McGuire commented on CASSANDRA-6746:
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Unfortunately, I currently don't
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Pavel Yaskevich commented on CASSANDRA-6746:
[~enigmacurry] Thanks for the
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Pavel Yaskevich commented on CASSANDRA-6746:
[~enigmacurry] Are the drives
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Ryan McGuire commented on CASSANDRA-6746:
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No:
{code}
hdparm -I /dev/sdb |
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Pavel Yaskevich commented on CASSANDRA-6746:
I guess I should have been
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Ryan McGuire commented on CASSANDRA-6746:
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The default on these machines was
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Ryan McGuire commented on CASSANDRA-6746:
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I can also try this on ssd
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Pavel Yaskevich commented on CASSANDRA-6746:
Would be awesome if you could
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Edward Capriolo commented on CASSANDRA-6746:
{quote}
FWIW, I'd be okay
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Benedict commented on CASSANDRA-6746:
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Probably a good idea since we use standard
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Jonathan Ellis commented on CASSANDRA-6746:
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FWIW, I'd be okay with dropping
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Jonathan Ellis commented on CASSANDRA-6746:
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I think compaction and new
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Benedict commented on CASSANDRA-6746:
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I will do some empirical testing so we have
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Ryan McGuire commented on CASSANDRA-6746:
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Let me know if you have any patches
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Pavel Yaskevich commented on CASSANDRA-6746:
[~iamaleksey] asked me to
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Benedict commented on CASSANDRA-6746:
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[~xedin] judging by how severe the slow
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Benedict commented on CASSANDRA-6746:
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Also, on POSIX_FADV_RANDOM: I experimented
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Pavel Yaskevich commented on CASSANDRA-6746:
bq. judging by how severe
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Benedict commented on CASSANDRA-6746:
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bq. I'm not sure how are you doing that,
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Pavel Yaskevich commented on CASSANDRA-6746:
So the better test would be
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Benedict commented on CASSANDRA-6746:
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bq. I get that, but the reason this was
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Jonathan Ellis commented on CASSANDRA-6746:
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CASSANDRA-2635
Reads have a
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Benedict commented on CASSANDRA-6746:
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It seems like all of the discussion on the
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Jonathan Ellis commented on CASSANDRA-6746:
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The 2635 issue description is
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Benedict commented on CASSANDRA-6746:
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But that's the opposite issue, surely? They
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Jonathan Ellis commented on CASSANDRA-6746:
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I'm not sure that's a good
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Benedict commented on CASSANDRA-6746:
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What makes you say we'll blow away our hot
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Ryan McGuire commented on CASSANDRA-6746:
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Oh, and in particular [~benedict],
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Jonathan Ellis commented on CASSANDRA-6746:
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bq. if true we do not
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Benedict commented on CASSANDRA-6746:
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2.0:
INFO [main] 2014-02-27 18:54:12,724
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Jonathan Ellis commented on CASSANDRA-6746:
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bq. The result being that we do
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Benedict commented on CASSANDRA-6746:
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bq. Nothing is WONTNEEDed.
On compaction
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Jonathan Ellis commented on CASSANDRA-6746:
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bq. On compaction we DONTNEED
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Jonathan Ellis commented on CASSANDRA-6746:
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bq. on flush, we actively
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Jonathan Ellis commented on CASSANDRA-6746:
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Looks like this was the
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Jonathan Ellis commented on CASSANDRA-6746:
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(But we really should support
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Benedict commented on CASSANDRA-6746:
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bq. Now I wonder if that's deliberate or
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Ryan McGuire commented on CASSANDRA-6746:
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I tried re-running this with a
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Ryan McGuire commented on CASSANDRA-6746:
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tried flushing and waiting 5
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