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From: Vitalii Tymchyshyn <vit@tym.im>
Date: Mon, 07 Mar 2016 15:57:56 +0000
Message-ID: 
 <CABWW-d07PWN6gcDrAzdiT5NMBnVqrk-_Fw1wpsZeNdJMgeXgjQ@mail.gmail.com>
Subject: Re: zookeeper client session write-read consistency
To: user@zookeeper.apache.org
Cc: zookeeper-user@hadoop.apache.org
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How about a reconnect to another server between the write and the next read=
?
Curious about both cases maintaining the session and establishing a new one
with some higher level retrier like Curator.

=D0=9F=D0=BD, 7 =D0=B1=D0=B5=D1=80. 2016 07:50 =D0=BA=D0=BE=D1=80=D0=B8=D1=
=81=D1=82=D1=83=D0=B2=D0=B0=D1=87 Alexander Shraer <shralex@gmail.com> =D0=
=BF=D0=B8=D1=88=D0=B5:

> The server to which the client is connected will buffer the read until th=
e
> write is executed and applied to its state, so the read will necessarily
> return a value at least as recent as the one written by the write in your
> example. ZK guarantees that async operations are executed in order of
> invocation.
> On Mar 6, 2016 23:57, "wayne" <fluffyfluffybear@gmail.com> wrote:
>
> Thanks Chris! I appreciate the answer a lot!
>
> What you said made perfect sense in the case that request are sent
> synchronously (which was my assumption :)). What if the requests are sent
> asynchronously? e.g. If I call AsyncWrite, AsyncRead within a session, wh=
en
> the AsyncRead is executed, the previous AsyncWrite's result might not hav=
e
> been returned to the client yet, then there is no way for the client to
> know
> the previous AsyncWrite's zxid, correct? In that case, could the situatio=
n
> I
> mentioned in my previous post happen?
>
>
>
> --
> View this message in context:
>
> http://zookeeper-user.578899.n2.nabble.com/zookeeper-client-session-write=
-read-consistency-tp7579330p7582099.html
> Sent from the zookeeper-user mailing list archive at Nabble.com.
>

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