I think the "store no more..." option is necessary. I use it and set it to 30.
Planet-type feeds generate a massive amount of posts per day which can easily flood you and generate a huge database file. Typically one is not interested in reading each and every post, but check the general mood and see where things are going with the community. You can't possibly read all posts in these cases.
On the other hand, personal feeds have 3 or 4 posts per month, and in those cases you want to keep them for at least a few weeks (I keep them for 30 days).
So yes, I think both options (post quantity and post age) are useful.
Re: Call for feedback: is the option to "Store no more than __ l
I think the "store no more..." option is necessary. I use it and set it to 30.
Planet-type feeds generate a massive amount of posts per day which can easily flood you and generate a huge database file. Typically one is not interested in reading each and every post, but check the general mood and see where things are going with the community. You can't possibly read all posts in these cases.
On the other hand, personal feeds have 3 or 4 posts per month, and in those cases you want to keep them for at least a few weeks (I keep them for 30 days).
So yes, I think both options (post quantity and post age) are useful.