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Home » Eclipse Projects » Mylyn » Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable
Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable [message #67598] Wed, 01 April 2009 16:20 Go to next message
David M. Karr is currently offline David M. KarrFriend
Messages: 813
Registered: July 2009
Senior Member
I was running Mylyn 3.0.5, Eclipse 3.4.2, JDK 1.6.0_10, and Ubuntu 8.10.
I found it would often completely freeze Eclipse when I switched the
active task, forcing me to eventually kill the process. I tried to do
this very infrequently and carefully (it seemed like the full Activation
dialog was the only "safe" way to do it) because of that. Today I made
the unfortunate decision to try to upgrade to Mylyn 3.1.0. Now Eclipse is
completely unusable. I started it up 45 minutes ago, and it still hasn't
let me do anything. How do I downgrade back to 3.0.5 without starting
Eclipse, as I can't get to the Update Manager now?
Re: Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable [message #67620 is a reply to message #67598] Wed, 01 April 2009 17:10 Go to previous messageGo to next message
David M. Karr is currently offline David M. KarrFriend
Messages: 813
Registered: July 2009
Senior Member
I guess I've achieved the downgrade. I never noticed the "Revert
Configuration" feature before. That came in handy. I'm now back working,
and rarely touching Mylyn. I'd love for that to change. Perhaps when I
get a faster computer.
Re: Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable [message #67722 is a reply to message #67620] Thu, 02 April 2009 07:30 Go to previous messageGo to next message
Jörg Thönnes is currently offline Jörg ThönnesFriend
Messages: 229
Registered: July 2009
Senior Member
Hi David,

would be interesting to hear what connectors your are using, which version control etc.

Maybe there is some fine point where the performance could be easily improved.

Just wondering: What computer you are using?

Cheers, Jörg

On 04/01/09 19:10, David M. Karr wrote:
> I guess I've achieved the downgrade. I never noticed the "Revert
> Configuration" feature before. That came in handy. I'm now back
> working, and rarely touching Mylyn. I'd love for that to change.
> Perhaps when I get a faster computer.
>
Re: Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable [message #67743 is a reply to message #67722] Thu, 02 April 2009 15:47 Go to previous messageGo to next message
David M. Karr is currently offline David M. KarrFriend
Messages: 813
Registered: July 2009
Senior Member
I'm not using any connectors or source-code control. I'm just creating
local tasks.

The computer is 7 years old with an Athlon processor, with max 1.5gb RAM.
It's obviously relatively slow.
Re: Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable [message #67800 is a reply to message #67743] Fri, 03 April 2009 08:00 Go to previous message
Jörg Thönnes is currently offline Jörg ThönnesFriend
Messages: 229
Registered: July 2009
Senior Member
On 04/02/09 17:47, David M. Karr wrote:
> I'm not using any connectors or source-code control. I'm just creating
> local tasks.
>
> The computer is 7 years old with an Athlon processor, with max 1.5gb
> RAM. It's obviously relatively slow.

OK, the remaining point to check is if you alter files outside Eclipse.

Example: We do code generation using ant tasks, and if I run this ant task outside Eclipse,
at some point Eclipse detects these files as changed and does a refresh.

Now Mylyn considers every changed/refreshed file as interesting to a task if this task is active.
This can be partially controlled by Window / Preferences / Tasks / Resources to exclude specific
file or directories from monitoring. If I remember correctly, there is also a bug which tracks
improvements to the way to exclude resources from monitoring.

Another notable change is that if you synchronize resources from source control, these ones are now
not automatically added to the Mylyn context. This is Mylyn 3.1.

So please check if this could apply to you and come back here or a file a bug if you feel that there
is need for improvement.

Cheers, Jörg
Re: Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable [message #597266 is a reply to message #67598] Wed, 01 April 2009 17:10 Go to previous message
David M. Karr is currently offline David M. KarrFriend
Messages: 813
Registered: July 2009
Senior Member
I guess I've achieved the downgrade. I never noticed the "Revert
Configuration" feature before. That came in handy. I'm now back working,
and rarely touching Mylyn. I'd love for that to change. Perhaps when I
get a faster computer.
Re: Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable [message #597313 is a reply to message #67620] Thu, 02 April 2009 07:30 Go to previous message
Jörg Thönnes is currently offline Jörg ThönnesFriend
Messages: 229
Registered: July 2009
Senior Member
Hi David,

would be interesting to hear what connectors your are using, which version control etc.

Maybe there is some fine point where the performance could be easily improved.

Just wondering: What computer you are using?

Cheers, Jörg

On 04/01/09 19:10, David M. Karr wrote:
> I guess I've achieved the downgrade. I never noticed the "Revert
> Configuration" feature before. That came in handy. I'm now back
> working, and rarely touching Mylyn. I'd love for that to change.
> Perhaps when I get a faster computer.
>
Re: Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable [message #597319 is a reply to message #67722] Thu, 02 April 2009 15:47 Go to previous message
David M. Karr is currently offline David M. KarrFriend
Messages: 813
Registered: July 2009
Senior Member
I'm not using any connectors or source-code control. I'm just creating
local tasks.

The computer is 7 years old with an Athlon processor, with max 1.5gb RAM.
It's obviously relatively slow.
Re: Mylyn 3.0.5 in Eclipse 3.4.2 slow, upgrade to 3.1.0 is now unusable [message #597347 is a reply to message #67743] Fri, 03 April 2009 08:00 Go to previous message
Jörg Thönnes is currently offline Jörg ThönnesFriend
Messages: 229
Registered: July 2009
Senior Member
On 04/02/09 17:47, David M. Karr wrote:
> I'm not using any connectors or source-code control. I'm just creating
> local tasks.
>
> The computer is 7 years old with an Athlon processor, with max 1.5gb
> RAM. It's obviously relatively slow.

OK, the remaining point to check is if you alter files outside Eclipse.

Example: We do code generation using ant tasks, and if I run this ant task outside Eclipse,
at some point Eclipse detects these files as changed and does a refresh.

Now Mylyn considers every changed/refreshed file as interesting to a task if this task is active.
This can be partially controlled by Window / Preferences / Tasks / Resources to exclude specific
file or directories from monitoring. If I remember correctly, there is also a bug which tracks
improvements to the way to exclude resources from monitoring.

Another notable change is that if you synchronize resources from source control, these ones are now
not automatically added to the Mylyn context. This is Mylyn 3.1.

So please check if this could apply to you and come back here or a file a bug if you feel that there
is need for improvement.

Cheers, Jörg
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