.
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request to all of the three replicas (R1, R2, R3)
if CL=QUOROM; just 2 of them depending on proximity
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for that read.
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the repair mutations. In this
case,
are you saying that we return the older version to the user rather than
the
latest version that was effected by the write ?
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with
a newer value or time-out, which is the expected case when you don't meet
the required consistency. Please let me know if I'm missing something here.
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is the expected case when you don't meet
the required consistency. Please let me know if I'm missing something
here.
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. Please let me know if I'm missing something
here.
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Subject: Re: What does ReadRepair exactly do?
And we don't send read request to all of the three replicas (R1, R2, R3) if
CL=QUOROM; just 2 of them depending on proximity
On Wed, Oct 24, 2012 at 10:20 PM, Hiller, Dean
dean.hil
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to know.
Zhang, Manu wrote
And we don't send read request to all of the three replicas (R1, R2, R3)
if CL=QUOROM; just 2 of them depending on proximity
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Yes, all this starts because of the call to filter.collateColumns()…
The ColumnFamily is an implementation of o.a.c.dbAbstractColumnContainer , the
methods to add columns on that interface pass through to an implementation of
ISortedColumns.
The implementations of ISortedColumns, e.g.
Hello,
This conversation precisely targets a question that I had been having for a
while - would be grateful if you someone cloud clarify it a little further:
Considering the case of a repair created due to a consistency constraint
(first case in the discussion above), would the following
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the repair mutations. In this case,
are you saying that we return the older version to the user rather than the
latest version that was effected by the write ?
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Is it through filter.collateColumns(resolved, iters, Integer.MIN_VALUE) and
then MergeIterator.get(toCollate, fcomp, reducer) but I don't know what
happens hereafter? How is reconcile exactly been called?
On Mon, Oct 22, 2012 at 6:49 AM, aaron morton aa...@thelastpickle.comwrote:
There are two
There are two processes in cassandra that trigger Read Repair like behaviour.
During a DigestMismatchException is raised if the responses from the replicas
do not match. In this case another read is run that involves reading all the
data. This is the CL level agreement kicking in.
The other
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