David E. Ross wrote:
On 6/19/2014 7:21 PM, Larry S. wrote:
Doing a profile back-up, and noticed that the folder has become quite a
bit larger than in the past. Looking into it, I see three large files
that stand out. These are:
-- places.sqlite
-- webappsstore.sqlite
-- netpredictions.sqlite (the largest by far, more than half the total).
"Places" sounds familiar, but the other two don't, especially
"netpredictions".
Can anyone tell me what these are, and, in particular, why the last one
is so darn large?
Any help will be greatly appreciated.
Larry S.
These are all databases.
places.sqlite contains your bookmarks and browser history. This
replaced bookmarks.htm quite a few SeaMonkey versions ago.
webappsstore.sqlite is apparently used to implement an HTML5 feature
called "local storage", a form of persistent storage available to
Web-based applications. This was implemented 6-7 years ago. See bug
#335540 at <https://bugzilla.mozilla.org/show_bug.cgi?id=335540> and bug
#422526 at <https://bugzilla.mozilla.org/show_bug.cgi?id=422526>.
netpredictions.sqlite is used in a scheme to predict what domains you
might request next so that a prefetch to a domain-name server (DNS) can
resolve in advance the domain to its IP address. This is supposed to be
controlled by the preference variable network.seer.enabled, which has
the default value "false" (disabled) in SeaMonkey. It appears that even
with network.seer.enabled set to "false", however, the
netpredictions.sqlite database is still created. See bug #881804 at
<https://bugzilla.mozilla.org/show_bug.cgi?id=881804>, possibly
implemented in SeaMonkey 2.24.
I removed netpredictions.sqlite and it has not returned. It seemed to
me to be a potential security problem since it recorded sites I had
visited and it is not cleared by clearing cache or history.
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