Dear naviservlers,
a short update on the changes in the tip version of Naviserver
and some modules on bitbucket:
- i've not made the big-cleanup of unused functions, but
marked several as deprecated. The server reports
now in the error.log when deprecated (C- or
Tcl-implemented) functions are used.
- the introspection interface for per-server and per-pool
reporting is implemented and works nicely (used e.g. in
the updated nsstats.tcl or in my set of munin plugins).
The old interface (which was not virtual-server and
pool-aware) is marked as deprecated.
- i've moved several locks from global mutexes on all
pools to muxtes per pool where appropriate to further
improve scalability (most people won't notice)
- nsdbpg: i've updated the interface of nsdbpg from
the old string based interface to Tcl_Objs and implemented
for the provided SQL statements a new Tcl_Obj type named
" parsedSQL", which can reduce string copying and the
parsing of SQL statements for the bind-var emulation
significantly. When the Tcl_Obj is preserved, the
SQL statement is processed once (at the first call)
and the resulting C structures are preserved in the
internal representation of the Tcl_Obj. In later calls,
the internal representation of the parsed SQL statement
can be reused without overhead.
- I am updating the documentation whenever i step over
some documentation problems, so it is improving, but
there is still a log way to go.
When downloading the tip version of naviserver, please
get also nsdbpg/nsssl/nsstats when you use these modules.
We are using the tip version of naviserver and the modules
in production since a while. I think, we saw the last crash
last year in october or so.
best regards
-gustaf neumann
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