Latest stable SOLR version

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Latest stable SOLR version

Gunalan V
Hello,

In our project we are planning to use SOLR and I'm new to it. So, what is
the latest stable version we can use and that is supported by Apache?

Kindly let me know your suggestions because we started with installing SOLR
6.2 but heard that there are many issues and need to be upgraded to 6.3 or
so.


Thanks,
GVK
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Re: Latest stable SOLR version

Walter Underwood
We have been running 6.5.1 in production since May. I would not run anything before that.

The new metrics code caused performance problems. That was fixed in 6.5.0.

There was a memory leak talking to Zookeeper. That was fixed in 6.5.1.

Solr 6.6.1 should be released very soon.

wunder
Walter Underwood
[hidden email]
http://observer.wunderwood.org/  (my blog)


> On Sep 11, 2017, at 8:36 AM, Gunalan V <[hidden email]> wrote:
>
> Hello,
>
> In our project we are planning to use SOLR and I'm new to it. So, what is
> the latest stable version we can use and that is supported by Apache?
>
> Kindly let me know your suggestions because we started with installing SOLR
> 6.2 but heard that there are many issues and need to be upgraded to 6.3 or
> so.
>
>
> Thanks,
> GVK

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Re: Latest stable SOLR version

Gunalan V
Thank You!

I believe 6.6 should have fixed all the previous version issues. But in 6.6
is there any major issues noticed?  if so I will go with 6.5.1 else will
proceed with 6.6.

Kindly confirm!



GVK

On Mon, Sep 11, 2017 at 10:59 AM, Walter Underwood <[hidden email]>
wrote:

> We have been running 6.5.1 in production since May. I would not run
> anything before that.
>
> The new metrics code caused performance problems. That was fixed in 6.5.0.
>
> There was a memory leak talking to Zookeeper. That was fixed in 6.5.1.
>
> Solr 6.6.1 should be released very soon.
>
> wunder
> Walter Underwood
> [hidden email]
> http://observer.wunderwood.org/  (my blog)
>
>
> > On Sep 11, 2017, at 8:36 AM, Gunalan V <[hidden email]> wrote:
> >
> > Hello,
> >
> > In our project we are planning to use SOLR and I'm new to it. So, what is
> > the latest stable version we can use and that is supported by Apache?
> >
> > Kindly let me know your suggestions because we started with installing
> SOLR
> > 6.2 but heard that there are many issues and need to be upgraded to 6.3
> or
> > so.
> >
> >
> > Thanks,
> > GVK
>
>
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Re: Latest stable SOLR version

Alessandro Hoss
Solr 6.6.1 was already released on September 7:

http://www.apache.org/dyn/closer.lua/lucene/solr/6.6.1
Release notes: https://lucene.apache.org/solr/6_6_1/changes/Changes.html

Guess you should give it a try.

On Mon, Sep 11, 2017 at 1:15 PM Gunalan V <[hidden email]> wrote:

> Thank You!
>
> I believe 6.6 should have fixed all the previous version issues. But in 6.6
> is there any major issues noticed?  if so I will go with 6.5.1 else will
> proceed with 6.6.
>
> Kindly confirm!
>
>
>
> GVK
>
> On Mon, Sep 11, 2017 at 10:59 AM, Walter Underwood <[hidden email]>
> wrote:
>
> > We have been running 6.5.1 in production since May. I would not run
> > anything before that.
> >
> > The new metrics code caused performance problems. That was fixed in
> 6.5.0.
> >
> > There was a memory leak talking to Zookeeper. That was fixed in 6.5.1.
> >
> > Solr 6.6.1 should be released very soon.
> >
> > wunder
> > Walter Underwood
> > [hidden email]
> > http://observer.wunderwood.org/  (my blog)
> >
> >
> > > On Sep 11, 2017, at 8:36 AM, Gunalan V <[hidden email]> wrote:
> > >
> > > Hello,
> > >
> > > In our project we are planning to use SOLR and I'm new to it. So, what
> is
> > > the latest stable version we can use and that is supported by Apache?
> > >
> > > Kindly let me know your suggestions because we started with installing
> > SOLR
> > > 6.2 but heard that there are many issues and need to be upgraded to 6.3
> > or
> > > so.
> > >
> > >
> > > Thanks,
> > > GVK
> >
> >
>
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Re: Latest stable SOLR version

Shawn Heisey-2
In reply to this post by Gunalan V
On 9/11/2017 9:36 AM, Gunalan V wrote:
> In our project we are planning to use SOLR and I'm new to it. So, what is
> the latest stable version we can use and that is supported by Apache?

As of four days ago, the latest release is 6.6.1.  This is a point
release, intended to fix known bugs in the 6.6.0 version without adding
any new features.

All releases are considered "stable", or they would not be released. 
Every attempt is made to find and fix problems before release, but bugs
do happen.

> Kindly let me know your suggestions because we started with installing SOLR
> 6.2 but heard that there are many issues and need to be upgraded to 6.3 or
> so.

If you need a search engine to be up and in production quickly, the
recommendation right now is the latest version - 6.6.1.  This is the
thirteenth release in the 6.x line, and represents over a year of new
features and bugfixes since the 6.0.0 release.

The 7.0 release is underway right now, and could be announced as soon as
later this week.  It also might end up delayed.  That depends on whether
problems are found and if so, what those problems are.

If you have a longer timeframe before you need to be online, it would
probably be a good idea to plan on testing 7.0 when it is released, and
be ready to upgrade your test environment to new 7.x versions as they
come out.  You could choose to test 6.6.1 and 7.x concurrently, and go
with whichever version you can get working correctly.

My personal feeling is that a brand new major release (x.0 version)
should not be deployed into production without an extensive amount of
testing.  That applies to ANY software, not just Solr.  It's not that I
think the 7.0 version is going to be bad software.  It's just that it
hasn't received any widespread user testing yet, so any major problems
are currently unknown.  The developers do a lot of testing, but they can
only come up with so many test scenarios.  Real-world installations tend
to be better at sniffing out bugs.

Thanks,
Shawn

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Re: Latest stable SOLR version

Gunalan V
Thanks Shawn!

On Mon, Sep 11, 2017 at 2:01 PM, Shawn Heisey <[hidden email]> wrote:

> On 9/11/2017 9:36 AM, Gunalan V wrote:
> > In our project we are planning to use SOLR and I'm new to it. So, what is
> > the latest stable version we can use and that is supported by Apache?
>
> As of four days ago, the latest release is 6.6.1.  This is a point
> release, intended to fix known bugs in the 6.6.0 version without adding
> any new features.
>
> All releases are considered "stable", or they would not be released.
> Every attempt is made to find and fix problems before release, but bugs
> do happen.
>
> > Kindly let me know your suggestions because we started with installing
> SOLR
> > 6.2 but heard that there are many issues and need to be upgraded to 6.3
> or
> > so.
>
> If you need a search engine to be up and in production quickly, the
> recommendation right now is the latest version - 6.6.1.  This is the
> thirteenth release in the 6.x line, and represents over a year of new
> features and bugfixes since the 6.0.0 release.
>
> The 7.0 release is underway right now, and could be announced as soon as
> later this week.  It also might end up delayed.  That depends on whether
> problems are found and if so, what those problems are.
>
> If you have a longer timeframe before you need to be online, it would
> probably be a good idea to plan on testing 7.0 when it is released, and
> be ready to upgrade your test environment to new 7.x versions as they
> come out.  You could choose to test 6.6.1 and 7.x concurrently, and go
> with whichever version you can get working correctly.
>
> My personal feeling is that a brand new major release (x.0 version)
> should not be deployed into production without an extensive amount of
> testing.  That applies to ANY software, not just Solr.  It's not that I
> think the 7.0 version is going to be bad software.  It's just that it
> hasn't received any widespread user testing yet, so any major problems
> are currently unknown.  The developers do a lot of testing, but they can
> only come up with so many test scenarios.  Real-world installations tend
> to be better at sniffing out bugs.
>
> Thanks,
> Shawn
>
>
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Re: Latest stable SOLR version

Gunalan V
In reply to this post by Alessandro Hoss
Thanks Alessandro!

On Mon, Sep 11, 2017 at 11:31 AM, Alessandro Hoss <[hidden email]> wrote:

> Solr 6.6.1 was already released on September 7:
>
> http://www.apache.org/dyn/closer.lua/lucene/solr/6.6.1
> Release notes: https://lucene.apache.org/solr/6_6_1/changes/Changes.html
>
> Guess you should give it a try.
>
> On Mon, Sep 11, 2017 at 1:15 PM Gunalan V <[hidden email]> wrote:
>
> > Thank You!
> >
> > I believe 6.6 should have fixed all the previous version issues. But in
> 6.6
> > is there any major issues noticed?  if so I will go with 6.5.1 else will
> > proceed with 6.6.
> >
> > Kindly confirm!
> >
> >
> >
> > GVK
> >
> > On Mon, Sep 11, 2017 at 10:59 AM, Walter Underwood <
> [hidden email]>
> > wrote:
> >
> > > We have been running 6.5.1 in production since May. I would not run
> > > anything before that.
> > >
> > > The new metrics code caused performance problems. That was fixed in
> > 6.5.0.
> > >
> > > There was a memory leak talking to Zookeeper. That was fixed in 6.5.1.
> > >
> > > Solr 6.6.1 should be released very soon.
> > >
> > > wunder
> > > Walter Underwood
> > > [hidden email]
> > > http://observer.wunderwood.org/  (my blog)
> > >
> > >
> > > > On Sep 11, 2017, at 8:36 AM, Gunalan V <[hidden email]>
> wrote:
> > > >
> > > > Hello,
> > > >
> > > > In our project we are planning to use SOLR and I'm new to it. So,
> what
> > is
> > > > the latest stable version we can use and that is supported by Apache?
> > > >
> > > > Kindly let me know your suggestions because we started with
> installing
> > > SOLR
> > > > 6.2 but heard that there are many issues and need to be upgraded to
> 6.3
> > > or
> > > > so.
> > > >
> > > >
> > > > Thanks,
> > > > GVK
> > >
> > >
> >
>