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Ultimate Geek
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Topic # 150942 8-Aug-2014 12:24
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Registered users at least would be nice.

"Eventual consistency" even would be ok.

Dumb increments (counts F5) would be better than nothing (seems to work for TradeMe lol). 

Please. 

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  Reply # 1104823 8-Aug-2014 12:25
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Lol, Good old mash F5 trademe. I setup a few VM's and let them run overnight refreshing 5 times a second and lol. had close to 2 million views by the morning.




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563 posts

Ultimate Geek
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  Reply # 1104827 8-Aug-2014 12:33
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TimA: Lol, Good old mash F5 trademe. I setup a few VM's and let them run overnight refreshing 5 times a second and lol. had close to 2 million views by the morning.


Doh, that's not going to fill freitasm with confidence..

 
 
 
 


BDFL - Memuneh
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  Reply # 1104834 8-Aug-2014 12:48
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One of the reasons I removed it was for speed - less database updates, especially in very busy threads.

Not seeing it coming back yet. I am tweaking with the idea of changing something in our database to improve performance, might come back then.





gzt

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  Reply # 1104837 8-Aug-2014 12:52
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I have to admit being morbidly curious about the reason for removing the feature (long ago). Was it commercial sensitivity?

Edit: Posted this prior to above post arriving. I consider it answered.

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  Reply # 1104838 8-Aug-2014 12:53
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Ultimate Geek
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  Reply # 1104840 8-Aug-2014 12:54
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freitasm: One of the reasons I removed it was for speed - less database updates, especially in very busy threads.

Not seeing it coming back yet. I am tweaking with the idea of changing something in our database to improve performance, might come back then.



Is it database I/O or specific row/table locking you're concerned about (hence the latter I suggested eventual consistency so don't need to queue up write locks on a single row/table)?

EDIT: Saw your post above. In that case eventual consistency by writing views to cache then lazily updating a main counter will solve this (the Youtube's etc do this).

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  Reply # 1104846 8-Aug-2014 13:10
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Not I/O, but locking strategy. We currently have very low number of I/O interruptions because almost the entire database is in memory. Transactrion Log is the one thing that consumes I/O mostly, so not a big deal.

We did change to READ COMMITTED SNAPSHOT a while back to improve locking speed and prevent waits.





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  Reply # 1104859 8-Aug-2014 13:31
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freitasm: One of the reasons I removed it was for speed - less database updates, especially in very busy threads.

Would maintaining count only for registered user views be any more feasible in that regard?

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  Reply # 1104867 8-Aug-2014 13:43
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Would be terrible undercounted. The number of visits from non-registered or non-logged in users is much bigger.







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Ultimate Geek
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  Reply # 1104870 8-Aug-2014 13:45
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freitasm: Would be terrible undercounted. The number of visits from non-registered or non-logged in users is much bigger.



Still useful though.

Thread XYZ (999 Registered Views, 0 Replies)

gzt

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  Reply # 1104874 8-Aug-2014 13:52
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I agree, but it would give good indication of community/interest engagement. If counting the other group becomes possible that can be added also. The two figures are complementary and both give useful information.

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  Reply # 1104891 8-Aug-2014 14:23
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The last (big) forum I was Admin for we did away with page views as the hit on performance was such it did not justify keeping for very little benefit, we did away with it.




Mike
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The views stated in my posts are my personal views and not that of any other organisation.

 

 It's our only home, lets clean it up then...

 

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  Reply # 1104892 8-Aug-2014 14:27
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KiwiNZ: The last (big) forum I was Admin for we did away with page views as the hit on performance was such it did not justify keeping for very little benefit, we did away with it.


Cool story, neither assumption applies here

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  Reply # 1104912 8-Aug-2014 14:48
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kenkeniff:
KiwiNZ: The last (big) forum I was Admin for we did away with page views as the hit on performance was such it did not justify keeping for very little benefit, we did away with it.


Cool story, neither assumption applies here


It doesn't ?




Mike
Retired IT Manager. 
The views stated in my posts are my personal views and not that of any other organisation.

 

 It's our only home, lets clean it up then...

 

Take My Advice, Pull Down Your Pants And Slide On The Ice!

 

 


gzt

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  Reply # 1104923 8-Aug-2014 15:05
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KiwiNZ:
kenkeniff:
KiwiNZ: The last (big) forum I was Admin for we did away with page views as the hit on performance was such it did not justify keeping for very little benefit, we did away with it.


Cool story, neither assumption applies here


It doesn't ?

It was exactly the reason freitasm removed it, so it seems a similar performance experience applies.

Please guys don't start a he said/i said and derail the thread. Just leave it there please.

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