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Benedict commented on CASSANDRA-6696:
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Linking CASSANDRA-7551 to remember to roll
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Brandon Williams commented on CASSANDRA-6696:
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A simple approach would be
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Jonathan Ellis commented on CASSANDRA-6696:
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Do we have per-vnode severity?
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Brandon Williams commented on CASSANDRA-6696:
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No, but I guess it wouldn't
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Jonathan Ellis commented on CASSANDRA-6696:
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Not serving stale data is good,
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Marcus Eriksson commented on CASSANDRA-6696:
Just pushed a version to
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Marcus Eriksson commented on CASSANDRA-6696:
summing up the discussion;
*
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Marcus Eriksson commented on CASSANDRA-6696:
bq. we can gain a lot by not
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Tupshin Harper commented on CASSANDRA-6696:
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I may be misunderstanding, but
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Marcus Eriksson commented on CASSANDRA-6696:
not really, note that we take
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Tupshin Harper commented on CASSANDRA-6696:
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It does, thanks.
Drive
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Marcus Eriksson commented on CASSANDRA-6696:
bq. flush to L0 we write
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Benedict commented on CASSANDRA-6696:
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bq. only merge with the individual L1s once
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Jonathan Ellis commented on CASSANDRA-6696:
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It looks like what HBase does
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Benedict commented on CASSANDRA-6696:
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I'd note that it appears what they're doing
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Jonathan Ellis commented on CASSANDRA-6696:
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HBase doesn't have compaction
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Tupshin Harper commented on CASSANDRA-6696:
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They are basically splittable
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Tupshin Harper commented on CASSANDRA-6696:
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Hbase actually has pluggable
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Benedict commented on CASSANDRA-6696:
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bq. That doesn't apply to us
It might
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Jonathan Ellis commented on CASSANDRA-6696:
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Right, I assumed we're going to
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Benedict commented on CASSANDRA-6696:
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bq. Right, I assumed we're going to be
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Marcus Eriksson commented on CASSANDRA-6696:
Pushed a semi-working
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Benedict commented on CASSANDRA-6696:
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I think we may be able to get a good
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Marcus Eriksson commented on CASSANDRA-6696:
this special cases compaction
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Benedict commented on CASSANDRA-6696:
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Or (somewhat handwavy, just to give a basic
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Marcus Eriksson commented on CASSANDRA-6696:
I don't think it would
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Tupshin Harper commented on CASSANDRA-6696:
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+1. To the extent that we can
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Benedict commented on CASSANDRA-6696:
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The problem here is packing vnodes fairly
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Jonathan Ellis commented on CASSANDRA-6696:
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bq. doing per-vnode sstables
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Jonathan Ellis commented on CASSANDRA-6696:
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bq. either we need to ensure
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Jonathan Ellis commented on CASSANDRA-6696:
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bq. With good OS tuning, I'm
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Benedict commented on CASSANDRA-6696:
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bq. assuming that every vnode is of roughly
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Tupshin Harper commented on CASSANDRA-6696:
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bq. We can add
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Tupshin Harper commented on CASSANDRA-6696:
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bq. Well the assumption is
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Jonathan Ellis commented on CASSANDRA-6696:
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To clarify: vnodes are not
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Tupshin Harper commented on CASSANDRA-6696:
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Agreed. Seems quite sufficient
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Benedict commented on CASSANDRA-6696:
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Adding or removing a node becomes an
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Jonathan Ellis commented on CASSANDRA-6696:
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How's that?
Drive replacement
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Benedict commented on CASSANDRA-6696:
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You have to rerun your knapsack algorithm
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Tupshin Harper commented on CASSANDRA-6696:
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bq. or we probably need to have
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Jonathan Ellis commented on CASSANDRA-6696:
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But I don't think yours
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Benedict commented on CASSANDRA-6696:
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bq. if a new node steals from a range that
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Tupshin Harper commented on CASSANDRA-6696:
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True. I merely mean to say that
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Jonathan Ellis commented on CASSANDRA-6696:
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I think if you draw it out on
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Benedict commented on CASSANDRA-6696:
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I may be misunderstanding your proposal: I
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Jonathan Ellis commented on CASSANDRA-6696:
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Why do we care about adjacent
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Benedict commented on CASSANDRA-6696:
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Adjacent N is another way of saying all
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Jonathan Ellis commented on CASSANDRA-6696:
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Okay, but I think that's
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Benedict commented on CASSANDRA-6696:
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bq. Okay, but I think that's clearly a
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Jonathan Ellis commented on CASSANDRA-6696:
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would it simplify things to
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Jonathan Ellis commented on CASSANDRA-6696:
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If I have 256 vnodes and 8
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Marcus Eriksson commented on CASSANDRA-6696:
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Drive replacement in JBOD
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Marcus Eriksson commented on CASSANDRA-6696:
pushed a new version to
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Jeremy Hanna commented on CASSANDRA-6696:
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Do you mean dropping support for a
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Marcus Eriksson commented on CASSANDRA-6696:
In those cases I think it
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Marcus Eriksson commented on CASSANDRA-6696:
btw, being able to not care
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Benedict commented on CASSANDRA-6696:
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+1 on dropping separate flush dir. This is
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Marcus Eriksson commented on CASSANDRA-6696:
[~benedict] do you mean
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Benedict commented on CASSANDRA-6696:
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Just a suggestion (not 100% certain it is
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Benedict commented on CASSANDRA-6696:
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A further suggestion: whilst we know vnodes
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Marcus Eriksson commented on CASSANDRA-6696:
pushed a new version to
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Jonathan Ellis commented on CASSANDRA-6696:
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Can you add javadoc for
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Marcus Eriksson commented on CASSANDRA-6696:
bq. Why is it
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Marcus Eriksson commented on CASSANDRA-6696:
bq. Can we drop BOP/OPP in
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Marcus Eriksson commented on CASSANDRA-6696:
bq. It seems to me it might
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Marcus Eriksson commented on CASSANDRA-6696:
Been poking this, wip-patch
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Jonathan Ellis commented on CASSANDRA-6696:
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Can we drop BOP/OPP in 3.0?
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Benedict commented on CASSANDRA-6696:
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It seems to me it _might_ also be simpler,
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Benedict commented on CASSANDRA-6696:
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Had a quick glance, and have one initial
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Benedict commented on CASSANDRA-6696:
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Last thoughts for the day: only major
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Jonathan Ellis commented on CASSANDRA-6696:
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bq. So if there are
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Benedict commented on CASSANDRA-6696:
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bq. Let's state for the record that solving
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sankalp kohli commented on CASSANDRA-6696:
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With this, the whole
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Benedict commented on CASSANDRA-6696:
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One possibility here is that we could split
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Jonathan Ellis commented on CASSANDRA-6696:
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bq. the whole
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Benedict commented on CASSANDRA-6696:
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bq. if you lose data then you scrub/repair;
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