So recently I switched to Fetcher2 over Fetcher for larger whole web
fetches (50-100M at a time). I found that the URLs generated are not
optimal because they are simply randomized by a hash comparator. In one
crawl on 24 machines it took about 3 days to crawl 30M URLs. In
comparison with ol
Ned Rockson wrote:
So recently I switched to Fetcher2 over Fetcher for larger whole web
fetches (50-100M at a time). I found that the URLs generated are not
optimal because they are simply randomized by a hash comparator. In one
crawl on 24 machines it took about 3 days to crawl 30M URLs. In
Ned Rockson wrote:
So recently I switched to Fetcher2 over Fetcher for larger whole
web fetches (50-100M at a time). I found that the URLs generated
are not optimal because they are simply randomized by a hash
comparator. In one crawl on 24 machines it took about 3 days to
crawl 30M URLs. I
That's really interesting. From the literature I have been reading,
I always though that the politeness policies required a 1s - 5s wait
between queries to the same host. However, I always thought that
regardless of HTTP/1.0 or HTTP/1.1 this was the case and if not, do
we really want to a
Sweet, I'll look into how to go about doing that later today.
On Oct 24, 2007, at 6:06 AM, Andrzej Bialecki wrote:
Ned Rockson wrote:
So recently I switched to Fetcher2 over Fetcher for larger whole
web fetches (50-100M at a time). I found that the URLs generated
are not optimal because th
That's really interesting. From the literature I have been reading,
I always though that the politeness policies required a 1s - 5s wait
between queries to the same host. However, I always thought that
regardless of HTTP/1.0 or HTTP/1.1 this was the case and if not, do
we really want to add t