Re: Limit the size of the header of a newsgroup to fetch

[Allen Yang]

>>>>> "Katsumi" == Katsumi Yamaoka <yamaoka@jpl.org> writes:

    Katsumi> Allen Yang wrote:
    >> I am not an expert of Gnus, and I found an annoying thing
    >> about Gnus is that it will exceed the memory limit when
    >> fetching a newsgroup which reserves a huge number of
    >> articles.

    >> For example:

    >> In my case, there are more than 370,000 articles reside
    >> in a newsgroup on the nntp server. Although I set only
    >> 100 when Gnus asked me the number of articles to fetch
    >> before I entered this group, Gnus still run into the
    >> trouble.

    >> Is there any solution?

    Katsumi> Maybe `gnus-newsgroup-maximum-articles' is yours:

    Katsumi> ,---- (info "(gnus)Selecting a Group") | [...] | In
    Katsumi> groups in some news servers, there might be a big
    Katsumi> gap between a | few very old articles that will
    Katsumi> never be expired and the recent ones. | In such a
    Katsumi> case, the server will return the data like `(1 .
    Katsumi> 30000000)' | for the `LIST ACTIVE group' command,
    Katsumi> for example. Even if there are | actually only the
    Katsumi> articles 1-10 and 29999900-30000000, Gnus doesn't |
    Katsumi> know it at first and prepares for getting 30000000
    Katsumi> articles. However, | it will consume hundreds
    Katsumi> megabytes of memories and might make Emacs get |
    Katsumi> stuck as the case may be. If you use such news
    Katsumi> servers, set the | variable
    Katsumi> `gnus-newsgroup-maximum-articles' to a positive
    Katsumi> number. The | value means that Gnus ignores
    Katsumi> articles other than this number of the | latest
    Katsumi> ones in every group. For instance, the value 10000
    Katsumi> makes Gnus | get only the articles
    Katsumi> 29990001-30000000 (if the latest article number is
    Katsumi> | 30000000 in a group). Note that setting this
    Katsumi> variable to a number might | prevent you from
    Katsumi> reading very old articles. The default value of the
    Katsumi> | variable `gnus-newsgroup-maximum-articles' is
    Katsumi> `nil', which means Gnus | never ignores old
    Katsumi> articles. | [...] `----

Problem solved. I just disabled Gnus to fetch old headers by:

(setq gnus-fetch-old-headers  nil)

Another solution is to make old articles as read by press c in
the group view.

Thanks for your help.