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Date: Tue, 13 Nov 2012 21:38:33 -0500
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 <CAENxBwxeMMzPMYoZ0X9o39Gbpy=AhnmfEadbk1eQTcOyWdNPkQ@mail.gmail.com>
Subject: Re: unable to read saved rowcache from disk
From: Edward Capriolo <edlinuxguru@gmail.com>
To: "user@cassandra.apache.org" <user@cassandra.apache.org>
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Yes the row cache "could be" incorrect so on startup cassandra verify they
saved row cache by re reading. It takes a long time so do not save a big
row cache.

On Tuesday, November 13, 2012, Manu Zhang <owenzhang1990@gmail.com> wrote:
> I have a rowcache provieded by SerializingCacheProvider.
> The data that has been read into it is about 500MB, as claimed by
jconsole. After saving cache, it is around 15MB on disk. Hence, I suppose
the size from jconsole is before serializing.
> Now while restarting Cassandra, it's unable to read saved rowcache back.
By "unable", I mean around 4 hours and I have to abort it and remove cache
so as not to suspend other tasks.
> Since the data aren't huge, why Cassandra can't read it back?
> My Cassandra is 1.2.0-beta2.

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Yes the row cache &quot;could be&quot; incorrect so on startup cassandra ve=
rify they saved row cache by re reading. It takes a long time so do not sav=
e a big row cache.<br><br>On Tuesday, November 13, 2012, Manu Zhang &lt;<a =
href=3D"mailto:owenzhang1990@gmail.com">owenzhang1990@gmail.com</a>&gt; wro=
te:<br>
&gt; I have a rowcache provieded by SerializingCacheProvider.=A0<br>&gt; Th=
e data that has been read into it is about 500MB, as claimed by jconsole. A=
fter saving cache, it is around 15MB on disk. Hence, I suppose the size fro=
m jconsole is before serializing.=A0<br>
&gt; Now while restarting Cassandra, it&#39;s unable to read saved rowcache=
 back. By &quot;unable&quot;, I mean around 4 hours and I have to abort it =
and remove cache so as not to suspend other tasks.=A0<br>&gt; Since the dat=
a aren&#39;t huge, why Cassandra can&#39;t read it back?<br>
&gt; My Cassandra is 1.2.0-beta2.

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