[elephant-cvs] CVS update: elephant/TUTORIAL elephant/TODO elephant/NEWS elephant/INSTALL elephant/ChangeLog
blee at common-lisp.net
blee at common-lisp.net
Thu Sep 2 15:12:02 UTC 2004
Update of /project/elephant/cvsroot/elephant
In directory common-lisp.net:/tmp/cvs-serv5302
Modified Files:
TUTORIAL TODO NEWS INSTALL ChangeLog
Log Message:
update of docs (for openmcl, revisions)
Date: Thu Sep 2 17:11:59 2004
Author: blee
Index: elephant/TUTORIAL
diff -u elephant/TUTORIAL:1.5 elephant/TUTORIAL:1.6
--- elephant/TUTORIAL:1.5 Thu Sep 2 16:39:12 2004
+++ elephant/TUTORIAL Thu Sep 2 17:11:58 2004
@@ -138,10 +138,7 @@
(get-from-root "my other key"))
=> NIL
-As a consequence, btrees have a sort of mishmash eql /
-equalp hashing.
-
-2) Changing substructures are not automatically saved:
+2) Changing substructures is not automatically saved:
* (setf (car foo) T)
=> T
@@ -156,7 +153,7 @@
maintain, deserialization must re-cons the entire object
every time. Plus, one of the reasons to use a database
is if your objects can't fit into main memory all at
- once!
+ once, so lazy allocation is desirable.
4) Merge-conflicts in heavily multi-process/threaded
situations. More on this later.
@@ -244,11 +241,15 @@
persistent, it cannot later be changed to a transient slot.
Note that the database is read every time you access a slot.
-In particular, if your slot value is not an immediate value,
-this will cons the value. Gets are not an expensive
-operation (I can do a million reads in 30 seconds), but if
-you're concerned, cache values. (In the future we will
-provide automatic value caching.)
+This is a feature, not a bug, especially in concurrent
+situations: you want the most recent commits, right?
+(Sleepycat will give isolation inside of transactions,
+though.) In particular, if your slot value is not an
+immediate value, reading will cons the value. Gets are not
+an expensive operation (I can do a million reads in 30
+seconds), but if you're concerned, cache values. In the
+future we will provide automatic value caching -- "single
+user mode."
Finally, if you for some reason make an instance with a
specified OID which already exists in the database, initargs
@@ -392,7 +393,8 @@
The serializer is definitely fast on fixnums, strings, and
persistent things. It is fairly fast but consing with
-floats and doubles. YMMV with other values.
+floats and doubles. YMMV with other values, though I've
+tried to make them fast.
Using *auto-commit* and not "with-transactions" is a great
way to have a huge number of transactions. You'll find that
@@ -411,3 +413,6 @@
transactions correctly they should be much faster.
If you don't need transactions you can turn them off.
+Opening the DB in less concurrent / transctional modes will
+be supported very soon (it's just an argument change, I
+think.)
Index: elephant/TODO
diff -u elephant/TODO:1.2 elephant/TODO:1.3
--- elephant/TODO:1.2 Thu Sep 2 09:05:36 2004
+++ elephant/TODO Thu Sep 2 17:11:58 2004
@@ -22,6 +22,4 @@
lispy pointer arithmetic
-OpenMCL!
-
performance hacks: class / slot to ID
Index: elephant/NEWS
diff -u elephant/NEWS:1.3 elephant/NEWS:1.4
--- elephant/NEWS:1.3 Tue Aug 31 01:53:32 2004
+++ elephant/NEWS Thu Sep 2 17:11:58 2004
@@ -1,4 +1,12 @@
+September 2, 2004 -
+
+The bad news: there was a bug in 0.1 which made OID
+generation inside of manual transactions deadlock.
+
+The good news: this is fixed, and I've added OpenMCL
+support. So I'm releasing 0.1-p1.
+
August 30, 2004 -
Elephant 0.1 was released August 30th, 2004. This is an
Index: elephant/INSTALL
diff -u elephant/INSTALL:1.6 elephant/INSTALL:1.7
--- elephant/INSTALL:1.6 Thu Sep 2 09:01:37 2004
+++ elephant/INSTALL Thu Sep 2 17:11:58 2004
@@ -3,9 +3,9 @@
Requirements
------------
-CMUCL 19a, SBCL 0.8.13, or Allegro CL 6.2. I've tested
-under FreeBSD and Linux. OpenMCL and Lispworks versions
-will come soon.
+CMUCL 19a, SBCL 0.8.13, OpemMCL 0.14.2, or Allegro CL 6.2.
+I've tested under FreeBSD, Linux and OpenMCL / Darwin. A
+Lispworks version will come if requested.
ASDF - http://www.cliki.net/asdf
Index: elephant/ChangeLog
diff -u elephant/ChangeLog:1.1 elephant/ChangeLog:1.2
--- elephant/ChangeLog:1.1 Tue Aug 31 00:05:41 2004
+++ elephant/ChangeLog Thu Sep 2 17:11:58 2004
@@ -1,2 +1,4 @@
+9/02/2004 - Alpha 0.1-p1: OID counter bugfix, OpenMCL support.
+
8/30/2004 - Alpha 0.1.
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