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From: Stefano Ortolani <ostefano@gmail.com>
Date: Sat, 20 May 2017 11:31:21 +0100
Message-ID: <CAKy_Ewa8tQoEn+4o7OPopcOaesVJE-KYNCe+_0Fafh2g_z9ewQ@mail.gmail.com>
Subject: Re: Is it safe to upgrade 2.2.6 to 3.0.13?
To: Varun Gupta <varung@uber.com>
Cc: Nicolas Guyomar <nicolas.guyomar@gmail.com>, Xihui He <xihuihe@gmail.com>,
	user@cassandra.apache.org
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archived-at: Sat, 20 May 2017 10:31:52 -0000

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Hi Varun,

can you elaborate a bit more? I have seen a schema change being pushed, but
that was just the first restart. After that, everything has been smooth so
far (including several schema changes, all of them verified via "describe").

Thanks!
Stefano

On Sat, May 20, 2017 at 2:10 AM, Varun Gupta <varung@uber.com> wrote:

> We upgraded from 2.2.5 to 3.0.11 and it works fine. I will suggest not to
> go with 3.013, we are seeing some issues with schema mismatch due to which
> we had to rollback to 3.0.11.
>
> Thanks,
> Varun
>
> On May 19, 2017, at 7:43 AM, Stefano Ortolani <ostefano@gmail.com> wrote:
>
> Here (https://github.com/apache/cassandra/blob/cassandra-3.0/NEWS.txt) is
> stated that the minimum supported version for the 2.2.X branch is 2.2.2.
>
> On Fri, May 19, 2017 at 2:16 PM, Nicolas Guyomar <
> nicolas.guyomar@gmail.com> wrote:
>
>> Hi Xihui,
>>
>> I was looking for this documentation also, but I believe datastax removed
>> it, and it is not available yet on the apache website
>>
>> As far as I remember, intermediate version was needed if  C* Version <
>> 2.1.7.
>>
>> You should be safe starting from 2.2.6, but testing the upgrade on a
>> dedicated platform is always a good idea.
>>
>> Nicolas
>>
>> On 19 May 2017 at 09:02, Xihui He <xihuihe@gmail.com> wrote:
>>
>>> Hi All,
>>>
>>> We are planning to upgrade our production cluster to 3.x, but I can't
>>> find the upgrade guide anymore.
>>> Can I upgrade to 3.0.13 from 2.2.6 directly? Is a interim version
>>> necessary?
>>>
>>> Thanks,
>>> Xihui
>>>
>>
>>
>

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<div dir=3D"ltr">Hi Varun,=C2=A0<div><br><div>can you elaborate a bit more?=
 I have seen a schema change being pushed, but that was just the first rest=
art. After that, everything has been smooth so far (including several schem=
a changes, all of them verified via &quot;describe&quot;).</div></div><div>=
<br></div><div>Thanks!</div><div>Stefano</div></div><div class=3D"gmail_ext=
ra"><br><div class=3D"gmail_quote">On Sat, May 20, 2017 at 2:10 AM, Varun G=
upta <span dir=3D"ltr">&lt;<a href=3D"mailto:varung@uber.com" target=3D"_bl=
ank">varung@uber.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex=
"><div dir=3D"auto"><div>We upgraded from 2.2.5 to 3.0.11 and it works fine=
. I will suggest not to go with 3.013, we are seeing some issues with schem=
a mismatch due to which we had to rollback to 3.0.11.<br><br>Thanks,<div>Va=
run</div></div><div><div class=3D"h5"><div><br>On May 19, 2017, at 7:43 AM,=
 Stefano Ortolani &lt;<a href=3D"mailto:ostefano@gmail.com" target=3D"_blan=
k">ostefano@gmail.com</a>&gt; wrote:<br><br></div><blockquote type=3D"cite"=
><div><div dir=3D"ltr">Here (<a href=3D"https://github.com/apache/cassandra=
/blob/cassandra-3.0/NEWS.txt" target=3D"_blank">https://github.com/apache/<=
wbr>cassandra/blob/cassandra-3.0/<wbr>NEWS.txt</a>) is stated that the mini=
mum supported version for the 2.2.X branch is 2.2.2.</div><div class=3D"gma=
il_extra"><br><div class=3D"gmail_quote">On Fri, May 19, 2017 at 2:16 PM, N=
icolas Guyomar <span dir=3D"ltr">&lt;<a href=3D"mailto:nicolas.guyomar@gmai=
l.com" target=3D"_blank">nicolas.guyomar@gmail.com</a>&gt;</span> wrote:<br=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex"><div dir=3D"ltr">Hi Xihui,<div><br></div><d=
iv>I was looking for this documentation also, but I believe datastax remove=
d it, and it is not available yet on the apache website</div><div><br></div=
><div>As far as I remember, intermediate version was needed if =C2=A0C* Ver=
sion &lt; 2.1.7.</div><div><br></div><div>You should be safe starting from =
2.2.6, but testing the upgrade on a dedicated platform is always a good ide=
a.</div><span class=3D"m_9024909006629351297HOEnZb"><font color=3D"#888888"=
><div><br></div><div>Nicolas</div></font></span></div><div class=3D"m_90249=
09006629351297HOEnZb"><div class=3D"m_9024909006629351297h5"><div class=3D"=
gmail_extra"><br><div class=3D"gmail_quote">On 19 May 2017 at 09:02, Xihui =
He <span dir=3D"ltr">&lt;<a href=3D"mailto:xihuihe@gmail.com" target=3D"_bl=
ank">xihuihe@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_=
quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1=
ex"><div dir=3D"ltr">Hi All,<div><br></div><div>We are planning to upgrade =
our production cluster to 3.x, but I can&#39;t find the upgrade guide anymo=
re.</div><div>Can I upgrade to 3.0.13 from 2.2.6 directly? Is a interim ver=
sion necessary?</div><div><br></div><div>Thanks,</div><div>Xihui</div></div=
>
</blockquote></div><br></div>
</div></div></blockquote></div><br></div>
</div></blockquote></div></div></div></blockquote></div><br></div>

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