[Sblim-devel] New Release: SFCB 1.4.7

[David H. <hel...@us...>]

Hi Folks,

We end the year with our final release of 2013: SFCB 1.4.7.  There are a 
few patches to fix some memory leaks with long running sfcc clients, and 
the usual handful of bug fixes, mostly for things that would occur only in 
unusual cases.

There are a couple of new sfcb.cfg properties: sslDhParamsFilePath 
supports the use of an external Diffie Hellman (DH) parameters file, and 
sslEcDhCurveName allows the user to set the "curve name" for Elliptic 
Curve Diffie Hellman (ECDH) key generation.  These options can be used 
with openssl cipher suites supporting "ephemeral" Diffie Hellman (DHE) key 
exchange algorithms.  Ephemeral key exchange enhances security by 
decoupling the private key used to generate the session key, from the 
private key associated with the server certificate.  This provides 
"forward secrecy" while maintaining a key exchange algorithm compatible 
with a conventional RSA-based server certificate.  See the .cfg file 
comments for more info.

Perhaps the most fun new feature is SFCB_LABELPROCS.  This will label each 
SFCB process by adding some identifying information to the cmdline so that 
it appears in 'ps' output.  This provides an easy way to identify each 
running SFCB process without having to rely on the "sfcb-ps.sh" or 
"sfcbproc" utilities.  This really enhances visibility and is a great 
troubleshooting tool.

Further, when using the ps command's -T or H options, you can see a 
labeled view with thread-level granularity, which is something you can't 
really do with "sfcb-ps.sh" or "sfcbproc".  (Individual threads are not 
labeled per se; that is, each thread of a process has the same label.  But 
you can easily see which threads belong to which process, and you can see 
the individual thread ids for each.)

For example, before starting sfcb:

$ export SFCB_LABELPROCS=100

Get a view of running sfcb processes:

$ watch 'ps -efT H | grep sfcb[d]'

Thanks to all who contributed to this release, especially Chris who fixed 
up the SFCC issues and Klaus Kampf who made a big contribution to 
LABELPROCS.

You can see the NEWS file for full list of changes.  The new release is 
tagged (SFCB_1_4_7) in git and the tarball is posted to the SourceForge 
download page.

http://sourceforge.net/projects/sblim/files/sblim-sfcb/1.4%20branch%20%28current%29/

Next release I'll be focusing on some long standing shutdown and process 
hang issues.

-Dave H.

SBLIM Team