Optimisations in HTML generation: do not keep calling get_indices()

[sgt/agedu] / TODO

diff --git a/TODO b/TODO
index f34f507..c11cd11 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,22 +1,6 @@
 TODO list for agedu
 ===================
 
- - adjust the default web server address selection.
-    + some systems (e.g. OS X) don't like us binding to random
-      localhost addresses. So if that fails, try falling back to
-      127.0.0.1 proper (and a randomly selected port) before giving
-      up.
-    + since binding to port 80 isn't generally feasible, we should
-      adjust the default behaviour when the user specifies --addr
-      with no port: it should select port zero, and then print the
-      port number on standard output. (Possibly also print the URL
-      as usual, in that situation: translate INADDR_ANY to
-      INADDR_LOOPBACK and then do the same as when we made the
-      entire address up ourself.)
-
- - we should munmap in all operating modes where we mmapped,
-   otherwise chaining them will run out of address space
-
  - we could still be using more of the information coming from
    autoconf. Our config.h is defining a whole bunch of HAVE_FOOs for
    particular functions (e.g. HAVE_INET_NTOA, HAVE_MEMCHR,
@@ -30,16 +14,6 @@ TODO list for agedu
       controversial; IIRC it's all in POSIX, for one thing. So more
       likely this should simply wait until somebody complains.
 
- - it would be useful to support a choice of indexing strategies.
-   The current system's tradeoff of taking O(N log N) space in order
-   to be able to support any age cutoff you like is not going to be
-   ideal for everybody. A second more conventional mechanism which
-   allows the user to specify a number of fixed cutoffs and just
-   indexes each directory on those alone would undoubtedly be a
-   useful thing for large-scale users. This will require
-   considerable thought about how to make the indexers pluggable at
-   both index-generation time and query time.
-
  - IPv6 support in the HTTP server
     * of course, Linux magic auth can still work in this context; we
       merely have to be prepared to open one of /proc/net/tcp or
@@ -86,3 +60,16 @@ TODO list for agedu
       agedu dump file on standard output. Then one would simply feed
       that over the network connection of one's choice to the rest
       of agedu running on Unix as usual.
+
+ - it might conceivably be useful to support a choice of indexing
+   strategies. The current "continuous index" mechanism' tradeoff of
+   taking O(N log N) space in order to be able to support any age
+   cutoff you like is not going to be ideal for everybody. A second
+   more conventional "discrete index" mechanism which allows the
+   user to specify a number of fixed cutoffs and just indexes each
+   directory on those alone would undoubtedly be a useful thing for
+   large-scale users. This will require considerable thought about
+   how to make the indexers pluggable at both index-generation time
+   and query time.
+    * however, now we have the cut-down version of the continuous
+      index, the space saving is less compelling.