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Performance Monitoring - RHEL 7.4
Post 303021948 by Peasant on Tuesday 21st of August 2018 08:09:55 AM
08-21-2018
Moderator
Well, i cannot say fascinated, since i've used it on home computer (fairly complex smartos environment with dozens of machines).
Currently i use Cacti, since i do not wish not to use agent software if
possible.
I just don't trust anyone
Check out the new Cacti, it's quite nice nowdays and even looks fancy.
SNMP is quite enough for 95% of monitoring. To bad is not widely accepted.
For else i have (for now) crontab with various stats* and plot.
This is for drill down analysis if required.
As for Prometheus, i actually love those kind of products you mention.
A lot of options and features, complex.
It's a kind of product you think upfront what you want, then fire and forget.
As for features - if we talk whole stack....
I like API - get graph with URL, inputting what you want directly into url.
When you draw a graph from gui it gives you a nice URL to use as well (or send around).
Language is not strange to me (GO), i personally like it and explored it a bit, should work on just any unix out there.
Alerting API is quite broad. From mails to endpoint API(s) to various stuff.
Last but not least, official client libs for java, ruby, go and scala.
Other unofficial in large numbers.
Include metrics in your apps is something i have yet to see from others
This can lower the debug time and/or expensive software such as dynatrace.
Since you are a ruby fan, take it for a spin
It's really fast with nginx infront(reverse proxy and internal load balancer), even on couple of AMD FM1 cores @ home, running that and dozens of smartos vms in virtualbox.
I'm willing to suggest this product to replace Cacti completely in my work environment, gradually for new projects.
I'm writing this as totally not affiliated with Prometheus or Cacti in any way.
Regards
Peasant.
Currently i use Cacti, since i do not wish not to use agent software if
possible.
I just don't trust anyone
Check out the new Cacti, it's quite nice nowdays and even looks fancy.
SNMP is quite enough for 95% of monitoring. To bad is not widely accepted.
For else i have (for now) crontab with various stats* and plot.
This is for drill down analysis if required.
As for Prometheus, i actually love those kind of products you mention.
A lot of options and features, complex.
It's a kind of product you think upfront what you want, then fire and forget.
As for features - if we talk whole stack....
I like API - get graph with URL, inputting what you want directly into url.
When you draw a graph from gui it gives you a nice URL to use as well (or send around).
Language is not strange to me (GO), i personally like it and explored it a bit, should work on just any unix out there.
Alerting API is quite broad. From mails to endpoint API(s) to various stuff.
Last but not least, official client libs for java, ruby, go and scala.
Other unofficial in large numbers.
Include metrics in your apps is something i have yet to see from others
This can lower the debug time and/or expensive software such as dynatrace.
Since you are a ruby fan, take it for a spin
It's really fast with nginx infront(reverse proxy and internal load balancer), even on couple of AMD FM1 cores @ home, running that and dozens of smartos vms in virtualbox.
I'm willing to suggest this product to replace Cacti completely in my work environment, gradually for new projects.
I'm writing this as totally not affiliated with Prometheus or Cacti in any way.
Regards
Peasant.
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LEARN ABOUT OPENSOLARIS
cpc_access
cpc_access(3CPC) CPU Performance Counters Library Functions cpc_access(3CPC) NAME
cpc_access - test access CPU performance counters SYNOPSIS
cc [ flag... ] file... -lcpc [ library... ] #include <libcpc.h> int cpc_access(void); DESCRIPTION
Access to CPU performance counters is possible only on systems where the appropriate hardware exists and is correctly configured. The cpc_access() function must be used to determine if the hardware exists and is accessible on the platform before any of the interfaces that use the counters are invoked. When the hardware is available, access to the per-process counters is always allowed to the process itself, and allowed to other processes mediated using the existing security mechanisms of /proc. RETURN VALUES
Upon successful completion, cpc_access() returns 0. Otherwise, it returns -1 and sets errno to indicate the error. By default, two common errno values are decoded and cause the library to print an error message using its reporting mechanism. See cpc_seterrfn(3CPC) for a description of how this behavior can be modified. ERRORS
The cpc_access() function will fail if: EAGAIN Another process may be sampling system-wide CPU statistics. ENOSYS CPU performance counters are inaccessible on this machine. This error can occur when the machine supports CPU performance coun- ters, but some software components are missing. Check to see that all CPU Performance Counter packages have been correctly installed. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ |ATTRIBUTE TYPE |ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ |Interface Stability |Obsolete | +-----------------------------+-----------------------------+ SEE ALSO
cpc(3CPC), cpc_open(3CPC), cpc_seterrfn(3CPC), libcpc(3LIB), proc(4), attributes(5) NOTES
The cpc_access() function exists for binary compatibility only. Source containing this function will not compile. This function is obsolete and might be removed in a future release. Applications should use cpc_open(3CPC) instead. SunOS 5.11 28 Mar 2005 cpc_access(3CPC)