Re: TCP/IP Port question vis-a-vis firewalls and such on z/OS using Websockets

2014-10-15 Thread David Crayford
On 16/10/2014 6:35 AM, Dave Day wrote: The standard port for a HTTP server to listen on is 80. So lets say I wanted to have my own address space listen on another port, and I wanted to have some javascript running on my desktop use the websockets api to establish a connection with my address s

Re: TCP/IP Port question vis-a-vis firewalls and such on z/OS using Websockets

2014-10-15 Thread Tony Harminc
On 15 October 2014 18:35, Dave Day wrote: > The standard port for a HTTP server to listen on is 80. So lets say I > wanted to have my own address space listen on another port, and I wanted to > have some javascript running on my desktop use the websockets api to > establish a connection with my a

Re: TCP/IP Port question vis-a-vis firewalls and such on z/OS using Websockets

2014-10-15 Thread Charles Mills
Is this for an inside-your-enterprise-firewalls-only sort of application or is there any possibility it will end up exposed to the World Wild Web? Other than the obvious (validating your user and so forth) you need I believe to consider the possibility of Denial of Service attacks. Be very carefu

TCP/IP Port question vis-a-vis firewalls and such on z/OS using Websockets

2014-10-15 Thread Dave Day
The standard port for a HTTP server to listen on is 80. So lets say I wanted to have my own address space listen on another port, and I wanted to have some javascript running on my desktop use the websockets api to establish a connection with my address space. The doc I've been reading sa

Re: Calculation involving SMF CPU Time

2014-10-15 Thread Tony Harminc
On 15 October 2014 02:55, Elardus Engelbrecht wrote: > Ok, After some RTFM in SMF book, POP, macros references, I believe it is > 26.04166 microseconds (one timer unit), which if you multiply it by 38400, > you arrive at 999 999.744 which could be translated to about 1 second AFAIK. This partic

Re: Performance in S9(08) COMP

2014-10-15 Thread Paul Gilmartin
On Wed, 15 Oct 2014 13:02:11 -0400, John Gilmore wrote: > >In general truncations to decimal digits are a bad, even diseased, >idea for binary data. > Reminds me on the time when, on ASSEMBLER-LIST, I wondered why Packed Decimal uses sign-magnitude rather than 10's complement representation. o 10

Re: Performance in S9(08) COMP

2014-10-15 Thread Ron Thomas
Ok. So what i understand is there will not be a performance degradation , the compiler option in our installation is set as Trunc(bin). Thanks Ron T -- For IBM-MAIN subscribe / signoff / archive access instructions, send ema

Re: Performance in S9(08) COMP

2014-10-15 Thread John Gilmore
The range of a signed twos-complement fullword binary integer value F is, by definition, -2^31 <= F <= +2^31 - 1, -2147483648 <= F <= +2147483247. Even the largest and smallest such values contain at least 9 [and sometime 10] notional decimal digits. Where it is still available either the NOTRUN

Re: Performance in S9(08) COMP

2014-10-15 Thread Chase, John
> -Original Message- > From: IBM Mainframe Discussion List On Behalf Of Ron Thomas > Sent: Wednesday, October 15, 2014 8:47 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Performance in S9(08) COMP > > Hi . > > In our cobol programs we have the variables declared as s9(09) COMP, now one >

Re: Performance in S9(08) COMP

2014-10-15 Thread Dale R. Smith
On Wed, 15 Oct 2014 08:46:51 -0500, Ron Thomas wrote: >Hi . > >In our cobol programs we have the variables declared as s9(09) COMP, now one >of the experts in our area is proposing to use s9(08) COMP as this would give >better performace . Could some one please let us know whether the change

Re: Issue with TS3500 Tape Library.

2014-10-15 Thread Lizette Koehler
Do you have hardware support? If so, I would have them come onsite and see if the robot needs to be "taught" Lizette > -Original Message- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Arun Prasad Chinnadurai > Sent: Wednesday, October 15, 2014 6:

Re: REXX syscall spawnp and IPCS

2014-10-15 Thread Elardus Engelbrecht
Paul Gilmartin wrote: >I frequently do similarly for testing: >/* Second assignment prevails. (Comments are good!) */ >parm.1 = "parm for testing" >parm.1 = "parm for production" >... and simply swap the two lines to switch to testing mode. No need to >comment. Your choice. I also

Re: Performance in S9(08) COMP

2014-10-15 Thread Elardus Engelbrecht
Ron Thomas wrote: >In our cobol programs we have the variables declared as s9(09) COMP, now one >of the experts in our area is proposing to use s9(08) COMP as this would give >better performace . Based on what (documentation / experience) did that expert made that suggestion? >Could some one

Issue with TS3500 Tape Library.

2014-10-15 Thread Arun Prasad Chinnadurai
Greetings to all ! On our site we have installed a new TS3500 tape library. When we submit a backup job, the robot inside the library is not picking up the tape using the barcodes (As of now, we are manually moving the tapes to the drive). Also the drive is not ejecting the tape out(moving it

Re: REXX syscall spawnp and IPCS

2014-10-15 Thread Paul Gilmartin
On Wed, 15 Oct 2014 02:04:59 -0500, Elardus Engelbrecht wrote: > >>>parm.1="/userhome/sa/myrexx.rx" >>>parm.1="myrexx.rx" > >Hmm, I looked again at that posted code and found many such double assignments. > I frequently do similarly for testing: /* Second assignment prevails. (Comments are g

Performance in S9(08) COMP

2014-10-15 Thread Ron Thomas
Hi . In our cobol programs we have the variables declared as s9(09) COMP, now one of the experts in our area is proposing to use s9(08) COMP as this would give better performace . Could some one please let us know whether the change is going to provide good performance ? Thanks in Advance R

Re: Article: IBM Brings Real-Time Analytics to System z Mainframe

2014-10-15 Thread Scott Chapman
This article seems to refer to the N3001 announcement (among others) from last week, but doesn't directly reference it. So... http://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=an&subtype=ca&appname=gpateam&supplier=897&letternum=ENUS214-423 (mind the break) I haven't looked at all the

Re: Calculation involving SMF CPU Time

2014-10-15 Thread Lindy Mayfield
Thank you very much for your help, Elardus. I am using this: SMFCPU DS F CPU time in timer units So I am just converting to CPU seconds then. As soon as I noticed "timer units" in the DSECT I realized it. Thanks for checking for me. I'm not sure if I got that number myself from a do

Re: REXX syscall spawnp and IPCS

2014-10-15 Thread Elardus Engelbrecht
Shmuel Metz (Seymour J.) wrote: >>parm.1="/userhome/sa/myrexx.rx" >>parm.1="myrexx.rx" >What are you trying to do? Good question. Hmm, I looked again at that posted code and found many such double assignments. In fact, the first parm.1 could be deleted or commented out. But the second one is