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Benedict commented on CASSANDRA-7282:
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Also, as a random aside, I have no idea where I got the
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Benedict commented on CASSANDRA-7282:
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bq. but without Value Types that's a pretty long shot with
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Michael Burman commented on CASSANDRA-7282:
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Yeah, VamEmdeBoas is fine. In theory there are
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Benedict commented on CASSANDRA-7282:
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I've posted a slightly modified gist
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Benedict commented on CASSANDRA-7282:
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Thanks. I'm surprised, and will dig into this a little
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Michael Burman commented on CASSANDRA-7282:
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I updated the original gist
> Faster Memtable
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Benedict commented on CASSANDRA-7282:
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Do you want to post a link to the code before hitting the
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Michael Burman commented on CASSANDRA-7282:
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Updated the code with hopefully what you
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Benedict commented on CASSANDRA-7282:
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Great, thanks. The mismatch in expectations is probably
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Michael Burman commented on CASSANDRA-7282:
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Here you go:
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Benedict commented on CASSANDRA-7282:
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Could you share the code you used for this benchmark? The
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Michael Burman commented on CASSANDRA-7282:
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Out of range tokens were also important for
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Benedict commented on CASSANDRA-7282:
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I actually wonder if we should make this ticket depend on
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Benedict commented on CASSANDRA-7282:
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Hi Michael,
I'll try to review this properly, as I find
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Michael Burman commented on CASSANDRA-7282:
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I've updated this work with the following
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Benedict commented on CASSANDRA-7282:
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bq. +1 for massive understatement.
Thanks.
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Joshua McKenzie commented on CASSANDRA-7282:
From the comments:
bq. We
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Branimir Lambov commented on CASSANDRA-7282:
bq. To add some more data to
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Benedict commented on CASSANDRA-7282:
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bq. This benchmark uses Longs as keys
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Benedict commented on CASSANDRA-7282:
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I've pushed an updated branch
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Jonathan Ellis commented on CASSANDRA-7282:
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bq. It may be we want to harden
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Benedict commented on CASSANDRA-7282:
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Just a note for the future (I haven't yet
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Joshua McKenzie commented on CASSANDRA-7282:
(nits interleaved with the
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Jason Brown commented on CASSANDRA-7282:
I ran benedict's 7282 patch vs. the
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Benedict commented on CASSANDRA-7282:
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We should test both. This change is going
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Benedict commented on CASSANDRA-7282:
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We should be certain to test this with
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Jason Brown commented on CASSANDRA-7282:
Looks like it's not something on my
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Benedict commented on CASSANDRA-7282:
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There's no good reason for that unless your
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Jason Brown commented on CASSANDRA-7282:
Yes, I clear the the cluster every
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Benedict commented on CASSANDRA-7282:
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I hope $data_dir is a shared dir with all
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Jason Brown commented on CASSANDRA-7282:
bq. I hope $data_dir is a shared dir
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Benedict commented on CASSANDRA-7282:
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To add some more data to this discussion, I
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Benedict commented on CASSANDRA-7282:
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Some more numbers, with a warmup dataset to
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Jason Brown commented on CASSANDRA-7282:
Food for thought:
I've reviewed the
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Benedict commented on CASSANDRA-7282:
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I think you may have misunderstood, or I
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Jason Brown commented on CASSANDRA-7282:
damnit, there's a ! operator there
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Jason Brown commented on CASSANDRA-7282:
just an update: running into some
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Jonathan Ellis commented on CASSANDRA-7282:
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bq. it does factor in to the
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Benedict commented on CASSANDRA-7282:
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I'm not sure which statement I made gave
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Benedict commented on CASSANDRA-7282:
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bq. I wouldn't even call this a hashCode to
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Benedict commented on CASSANDRA-7282:
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Uploaded a version with updated comments
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Benedict commented on CASSANDRA-7282:
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Perhaps this is a good opportunity, for our
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Branimir Lambov commented on CASSANDRA-7282:
I have a question about the
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Benedict commented on CASSANDRA-7282:
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For the Murmur3Partitioner, the Token
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Joshua McKenzie commented on CASSANDRA-7282:
{quote}
but if the effect is
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Benedict commented on CASSANDRA-7282:
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As already stated, I disagree. Always, when
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Branimir Lambov commented on CASSANDRA-7282:
This makes sense. Thanks for
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Joshua McKenzie commented on CASSANDRA-7282:
{quote}
does factor in to the
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Benedict commented on CASSANDRA-7282:
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bq. Since this is the case, should we
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Branimir Lambov commented on CASSANDRA-7282:
{quote}I think the constraint
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Benedict commented on CASSANDRA-7282:
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Hmm. Yes. I shouldn't get into these
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Jonathan Ellis commented on CASSANDRA-7282:
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[~jasobrown] could you try this
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Jason Brown commented on CASSANDRA-7282:
[~jbellis] Sure, will try it out
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Benedict commented on CASSANDRA-7282:
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Yes, we want to restrict the workload to
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Aleksey Yeschenko commented on CASSANDRA-7282:
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bq. Yes, we want to
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Benedict commented on CASSANDRA-7282:
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No. You benchmark to isolate performance
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Aleksey Yeschenko commented on CASSANDRA-7282:
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True, but the new more
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Benedict commented on CASSANDRA-7282:
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The new code is not significantly more
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Jason Brown commented on CASSANDRA-7282:
+1 to [~iamaleksey]'s sentiment. Both
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Aleksey Yeschenko commented on CASSANDRA-7282:
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For the record, I'm not
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Benedict commented on CASSANDRA-7282:
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bq. But there definitely is some value in
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Joshua McKenzie commented on CASSANDRA-7282:
Some interesting results on
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Benedict commented on CASSANDRA-7282:
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A few possibilities:
1) very few data
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Ryan McGuire commented on CASSANDRA-7282:
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Here's a trial that incorporates
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Ryan McGuire commented on CASSANDRA-7282:
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memtable_commit_threshold: 0.5 is
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Benedict commented on CASSANDRA-7282:
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memtable_heap_space_in_mb: 4096
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Ryan McGuire commented on CASSANDRA-7282:
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Thanks Benedict, I tried it with
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Ryan McGuire commented on CASSANDRA-7282:
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memtable_cleanup_threshold:0.99 is
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Benedict commented on CASSANDRA-7282:
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Ryan provided me with logs, and we can see
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Joshua McKenzie commented on CASSANDRA-7282:
[~enigmacurry] Any chance you
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Benedict commented on CASSANDRA-7282:
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The only workload we'll easily measure it
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Ryan McGuire commented on CASSANDRA-7282:
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This fell under my radar, I've
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Benedict commented on CASSANDRA-7282:
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Can you compare to the SHA it was based on?
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Ryan McGuire commented on CASSANDRA-7282:
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Here's a test run with default
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Benedict commented on CASSANDRA-7282:
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Just pushed a minor update removing an
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Aleksey Yeschenko commented on CASSANDRA-7282:
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bq. I'm not sure which
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Jonathan Ellis commented on CASSANDRA-7282:
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[~JoshuaMcKenzie] to review
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Aleksey Yeschenko commented on CASSANDRA-7282:
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Can we perf-test it
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Benedict commented on CASSANDRA-7282:
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First version available
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Benedict commented on CASSANDRA-7282:
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[~enigmacurry] how easy would it be to kick
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Benedict commented on CASSANDRA-7282:
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Hmm. Scratch that, I've broken something.
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Ryan McGuire commented on CASSANDRA-7282:
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Probably not til next week..
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Benedict commented on CASSANDRA-7282:
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Next week is fine
Faster Memtable map
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Benedict commented on CASSANDRA-7282:
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There was a minor bug with compatability
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