System load average over 1.5 while cpu idle
Running 10.9.4. My load averages are continuously around 1.5 or higher while my cpu is around 95% idle, no apps running, I've just rebooted and logged in. This is very common now for my machine. Any suggestions? Thanks
On Unix systems that are idle I generally see near-zero load averages. I would expect OS X to be in that general vicinity and seem to recall seeing near-zero numbers in the past when the system is idle.
Similar Messages
-
Frequent heap dumps and system load average
Dear Experts,
Performance of our development has gone worst. There has been frequent Heap Dumps and Paging, also System Load Average '/Kernel/SAPJVM/SystemProblemReporting/System Load Average' is over 133%.
We are using NW731 with EP core.
JVM parameters arememory are according to SAP recommendations
-Xms4096m
-Xmx4096m
-XX:NewSize=1365m
-XX:MaxNewSize=1365m
-XX:PermSize=1024m
-XX:MaxPermSize=1024m
-XX:NewRatio=6
SCS, Application and Database are on single host.
Number of nodes=2.
Physical memory size is 15GB
Appreciate your assistance in analyzing and fixing the performance issue.
Thanks,
KumarHi Divyanshu,
I was away on to another project for configuring change control tool.
As mentioned earlier I don't have OS access.
But could able to download Thread Dumps via NWA as mentioned by David...., but couldn't able to open them.
Opened OOM.hprof file through MAT to check leak suspects etc. I could hardly understand as it is my first Java AS project ....here is bits and pieces from the dump analyzer tool.
Leap Suspects:
Problem Suspect 1:
The thread com.sap.engine.core.thread.execution.CentralExecutor$SingleThread @ 0x58dcd248 HTTP Worker [@662359980] keeps local variables with total size 3,66,84,54,240 (89.70%) bytes.
The memory is accumulated in one instance of "java.lang.Object[]" loaded by "<system class loader>".
The stacktrace of this Thread is available. See stacktrace.
And here is the stacktrace...
HTTP Worker [@662359980]
at java.lang.OutOfMemoryError.<init>()V (OutOfMemoryError.java:25)
at java.lang.reflect.Array.newInstance(Ljava/lang/Class;I)Ljava/lang/Object; (Array.java:52)
at oracle.jdbc.driver.BufferCache.get(Ljava/lang/Class;I)Ljava/lang/Object; (BufferCache.java:226)
at oracle.jdbc.driver.PhysicalConnection.getByteBuffer(I)[B (PhysicalConnection.java:7665)
at oracle.jdbc.driver.T4C8TTIClob.read([BJJZ[CI)J (T4C8TTIClob.java:226)
at oracle.jdbc.driver.T4CConnection.getChars(Loracle/sql/CLOB;JI[C)I (T4CConnection.java:3211)
at oracle.sql.CLOB.getChars(JI[C)I (CLOB.java:459)
at oracle.jdbc.driver.OracleClobReader.needChars(I)Z (OracleClobReader.java:187)
at oracle.jdbc.driver.OracleClobReader.read([CII)I (OracleClobReader.java:142)
at java.io.Reader.read([C)I (Reader.java:123)
at com.sap.sql.jdbc.common.CommonWrappedReader.read([C)I (CommonWrappedReader.java:108)
at com.technidata.core.persistency.sql.QueryResult.getString(Ljava/lang/String;)Ljava/lang/String; (QueryResult.java:190)
at com.technidata.em.facility.controller.PC_EmissionRes.getEmissionResBo(Lde/technidata/ecs/persist/sql/persistency/iface/IQueryResult;)Lcom/technidata/em/facility/detail/EmissionResBo; (PC_EmissionRes.java:2235)
at com.technidata.em.facility.controller.PC_EmissionRes.readData(JJJJLjava/sql/Date;Ljava/sql/Date;Ljava/lang/String;ZJI)Ljava/util/List; (PC_EmissionRes.java:682)
at com.technidata.em.facility.controller.PC_EmissionRes.readData(JJJLjava/sql/Date;Ljava/sql/Date;ZI)Ljava/util/List; (PC_EmissionRes.java:599)
at com.technidata.em.facility.controller.PC_EmissionRes.readData(Lcom/technidata/em/facility/TypeCapArgument;)Ljava/util/List; (PC_EmissionRes.java:573)
at com.technidata.em.facility.ESourceBo.getTypeCapData(Ljava/lang/String;Lcom/technidata/em/facility/TypeCapArgument;Ljava/lang/String;Ljava/lang/String;)Ljava/util/List; (ESourceBo.java:707)
at com.technidata.em.facility.mgmt.EmissionResTable.initialize(Z)V (EmissionResTable.java:1793)
at com.technidata.em.facility.mgmt.EmissionResTable.init(Lcom/sap/tc/webdynpro/progmodel/api/IWDCustomEvent;Ljava/lang/String;)V (EmissionResTable.java:1454)
at com.technidata.em.facility.mgmt.wdp.InternalEmissionResTable.wdInvokeEventHandler(Ljava/lang/String;Lcom/sap/tc/webdynpro/progmodel/api/IWDCustomEvent;)Ljava/lang/Object; (InternalEmissionResTable.java:723)
at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(Ljava/lang/String;Lcom/sap/tc/webdynpro/progmodel/api/IWDCustomEvent;)Ljava/lang/Object; (DelegatingView.java:142)
at com.sap.tc.webdynpro.progmodel.components.Component.fireEvent(Ljava/lang/String;Ljava/lang/String;Ljava/util/Map;)V (Component.java:492)
at com.technidata.em.facility.mgmt.wdp.InternalTabsInterface.wdFireEventInitTab(Ljava/lang/String;)V (InternalTabsInterface.java:398)
at com.technidata.em.facility.mgmt.EmissionResWinInterfaceView.onPlugIn(Lcom/sap/tc/webdynpro/progmodel/api/IWDCustomEvent;)V (EmissionResWinInterfaceView.java:97)
at com.technidata.em.facility.mgmt.wdp.InternalEmissionResWinInterfaceView.wdInvokeEventHandler(Ljava/lang/String;Lcom/sap/tc/webdynpro/progmodel/api/IWDCustomEvent;)Ljava/lang/Object; (InternalEmissionResWinInterfaceView.java:95)
at com.sap.tc.webdynpro.progmodel.generation.DelegatingWindow.invokeEventHandler(Ljava/lang/String;Lcom/sap/tc/webdynpro/progmodel/api/IWDCustomEvent;)Ljava/lang/Object; (DelegatingWindow.java:121)
please help me fix the performance issue. And let me know if I can provide some details to help you analyse further.
Thanks,
Kumar -
Load averages over 1.00 after upgrading to Mavericks
Hi,
I have recently upgraded to OS X Mavericks on my old Macbook Pro (Late-2007, 4GB RAM) and I noticed that the load averages are always above 1.00, even when CPU is almost 100% idle. I know load averages don't reflect only CPU but after a reboot I see the same. Could this be because it's an old Macbook and it takes more resources from it to run the new OS X 10.9? This is so strange.
Thanks for reading!
L.I'm having the same "issue" since I first upgraded to Mavericks from Lion. At first I thought it had something to do with the way processes are scheduled/handled in Mavericks but now I realize that I DO get load averages below 1.0 (~0.7-0.8, never below this), but only when completely idle.
I have an early 2011 Macbook 2.7 GHz i7with 16 GB RAM, so I find this kinda weird.
Are you using any particular applications/extensions?
(see also http://apple.stackexchange.com/questions/106828/avg-load-goes-up-after-upgrading -to-mavericks, altough there is no solution here). -
High load averages, low CPU usage
HI,
I recently upgraded to Lion and I am noticing high load averages ~0.7 for my system. The CPU is, however ~95% idle. I am not running any intensive apps. I first thought it is an I/O issue, but I have almost 500 MB free memory, and there is no disk activity. The system is perfectly fine, with all the eye candy/animations running smoothly. Is this a bug?
Thanks for any help.Same problem here
Did a clean install of Lion, moved everything manually. System was clean and running fast. Then, for some reason started to slow down after a few months. My last system (macbook snow leopard) was running fine for 3 years.
I noticed HIGH load averages (over 2.5!) while CPU is ideling (only 'round 30% for user and system). System is slow and CPU gets hot, resulting in loud fan noise.
Googled a lot, did standard maintenance tasks, tried to pinpoint cause - nothing so far. Will update when I find out more. Maybe someone else has a clue or Apple releases a fix. Fingers crossed. -
How do I limit the user creat new connect when CPU idle 5%?
my oracle database is 9.2.0.7,
I want to limited the new connection by created when the server (sun solars 5.9) cpu idle <5 % ?> I want to limited the new connection by created when the server (sun solars 5.9) cpu idle <5 % ?
This makes absolutely no sense at all. Not even borderline idiotic - it has invaded the land of idiots looking to conquer and become the biggest one of them all. :-)
But there is actually a very easy way to do it. Outside the database in a script, run uptime. It provides the system load averages for the past 1, 5, and 15 minutes. Use awk to extract these load numbers and use that to make the decision whether connectivity can be allowed or must be denied.
Next check if the Oracle Listener is up. If up and connectivity must be denied, shut it down. If down and connectivity must be allowed, start it. Else, leave it as is.
Then sleep for a few minutes and repeat.
To make this into a proper daemon, you can simply add it to /etc/inittab and have the kernel running it for you and respawning it when it runs into a problem and dies. -
Persistent Active Requests causing high CPU usage and load average
Hi, we've deployed a JSP application on standalone OC4J talking to Oracle DB. The whole thing runs on Sun Solaris. On some occasions (still investigating what causes this), the number of active requests rises (as seen from EM console) and never drops down. The weird thing is, the load average numbers are proportional to the number of persistent active request. If there are 3 active requests, load avg will be [3.x 3.x 3.x], and whenever persistent active request exist, CPU usage will shoot up to over 90% (usually between 95% - 100%). When the system is running normally, CPU usage is usually less than 20%. Is it possible to track down this problem and how? Many thanks.
BlueAeon
Welcome to Apple Discussions!!
The icons on the right of the menu bar … show a beachball when I put the cursor over themWell, if this was your only problem I would put it down to a corrupt preference or cache file. Nevertheless, it is worth seeing how much this helps.
The file you need to trash is 'systemuiserver.plist'. But there are potentially two of them, plus it is best to delete your caches as well, so ...
In "/Users/<yourname>/Library/Caches", delete everything
In "/Users/<yourname>/Library/Preferences", delete com.apple.systemuiserver.plist
In "/Users/<yourname>/Library/Preferences/ByHost", delete com.apple.systemuiserver.xxx.plist where 'xxx' is a 12 digit (hexadecimal) numeric string.
See if this improves the situation, and post back with any remaining oddities. -
Hi Experts,
I have a SOA deployed on AS 10.1.3.2 which is integerated with BI EE 10.1.3.2 on OHEL 4.
With this setup, I have seeing very high load average on cpu side. When I stop the soa oc4j the load average comes to normal level of under 1. While with soa process started it goes as high as 15 which is pretty abnormal.
Any pointers to debug what could be the issue will be helpfu.
Thanks,
RishiHi Experts,
I have a SOA deployed on AS 10.1.3.2 which is integerated with BI EE 10.1.3.2 on OHEL 4.
With this setup, I have seeing very high load average on cpu side. When I stop the soa oc4j the load average comes to normal level of under 1. While with soa process started it goes as high as 15 which is pretty abnormal.
Any pointers to debug what could be the issue will be helpfu.
Thanks,
Rishi -
Why is my load average always above 1 regardless of cpu usage?
My load average is often ridiculous. For example, when I wake from sleep it's usually 45 or so. Even when I'm doing nothing with the machine (CPU is about 10% in each core) I still see load averages of 1.2 to 1.6 or so. Why would this happen?
Is there a way to figure out what is causing the load?Activity Monitor could see what happens on your MacBook.
Resetting SMC could solve the problem.
Intel-based Macs: Resetting the System Management Controller (SMC) -
Averaging output over one second while taking a 5Hz sample
Aloha Everyone,
I'm a engineering student tasked with understanding how to use SignalExpress2013 with a USB-6341 device. This is my situation. I have an anemometer that feeds a voltage to the USB device betwee 0-4V. I am taking this data at 5Hz. I need to then have this data averaged to 1Hz, i.e. take the average of every 5 values and the result is the data for that 1 second in time. Therefore, on the time averaging step settings I chose the following:
Input signal: ai0
Weighting mode: linear Block avg.
Number of avg.: 5
However I don't understand how to interpret the data below. Can someone please explain how SignalExpress arrives with the values in the "time_avg_signal.txt" file?
Attachments:
Voltage.txt 1 KB
time_avg_signal.txt 1 KBSorry, the original files were the wrong ones. I have attached a new set. This is what I need:
Given these values with dt = 0.2 seconds (these are the first 10 in the VoltageNew.txt set): -0.5991051, -0.6234424, -0.6560018, -0.6711304, -0.6767214, -0.6734326, -0.6661971, -0.6665260, 8.590291, 7.792382
I need the average over a second like this (dt= 1 second): -0.50994, 2.875303
In other words, average the first 5 values, then average the next 5 values, rinse and repeat.
I felt that I had the settings properly inputted as shown in my previous message, but instead I'm getting what's shown in the "time_avg_signalNew.txt" file. My questions are:
1) What algorithm is SE using to come up with new numbers such as the values listed in the 2nd quintuple-set of values?
2) is there a way to format these files to have the timestamps running down the spreadsheet instead of just giving a start time and a dt value?
Attachments:
time_avg_signalNew.txt 3 KB
VoltageNew.txt 2 KB -
Load average peaks every ~3 hours
Hi all. I have a quick question, which should be easy to solve, but I haven't been able to yet.
Approximately every 3.2 hours (the period is very regular, and a bit more than 3 hours), the load average on my XServe climbs up to 1.0, stays there for a few minutes, then falls back down to its average level (normally less than 0.1). (I've graphed it out which is why I know it's so regular). But I haven't for the life of me been able to figure out what's doing this. When it spikes up like that, 'top' still shows a relatively idle CPU (~95% idle), 'ps alx' shows only the 'ps' command itself having an 'R' STAT flag, and 'sudo fs_usage' shows periodic bits of activity, but nothing crazy. How can I find out what's going on? I know that a load average of 1.0 isn't all that high and the server still feels responsive during these spikes, but it should be mostly idling closer to 0.0. I want to make sure that if something is starting to bog down the server that I nip it in the bud before it starts to become a real issue.
Any advice on what might be causing this, or what I can use to figure out what's contributing to the load average during these times?
Thanks!
DanGood point about Remote Desktop and Chicken of the
VNC. When the server was originally set up remotely
several years ago, I didn't have a fast enough
Internet connection to make remote GUI concepts like
those practical at all (ever try running them through
dialup?), so I quickly became a fan of the command
I already had an ADSL line when I discovered VNC, but if anyone rmembers Timbuctu..
It was a commercial program that did the same thing as VNC, but with a different approach.
I used it with a 14400 baud modem under System 7.5. I could see the menus drawing themselves... =:-|
line. Perhaps I should revisit it now that I have a
broadband connection, but Mac user though I am, I've
always been a Unix command line guy at heart
Good. It helps a lot.
I'm still descovering some new unix conterpart of many of the system GUI programs.
And as far as the cron jobs go, according to the
various files in /var/cron/tabs, I have a few entries
that are set to run at specific times per day, but
nothing of a periodic nature of every few hours. And
the strange thing is that it isn't periodic by an
integer number of hours - it's periodic by a bit over
3 hours. From the graphs I've made of load average,
its periodicity is very close to 3.2 hours. I also
Hmm.. You're right.
cron is scheduling jobs by the hour, minutes,etc, but not a mix of them. Unless its scheduled every 200 minuts (or so).
checked with 'ps aux' and there don't seem to be any
hung processes or something that's been running for
an inordinate amount of time, other than those
processes which started when the server was
originally booted.
The server has been running since July 28, 2006 (297
days) and only recently (within the past week or so)
started to exhibit this behavior as far as I know.
Hmm.. This could point to some system update..
No processes are currently running with an abnormal
amount of CPU time taken - currently, the lead is
pretty much a tie between 'hwmond' and 'configd',
with about 2700 minutes each. This works out to
about 9 minutes/day, so it doesn't seem too bad to
me.
I know, I could just reboot the machine and see if
the problem goes away. But there are two main
reasons I haven't done so. First, I really want to
know what's happening, and even if rebooting the
machine does fix the problem, I won't have learned
anything from it and there would be nothing to
prevent this from happening again. And secondly, I
Holy words. You're **** right.
had a bad experience once where rebooting the machine
remotely didn't run smoothly - for some reason, the
primary hard drive didn't spin up quick enough to be
recognized, and it booted into its secondary recovery
hard drive, which didn't enable me any kind of remote
access to the machine... so it meant several hours of
downtime while I drove to the XServe's location to
manually restart it again. The box's availability is
critical to a business' operations, so I don't want
to risk the possibility of downtime unless all else
fails.
Ok. Sorry I could be of no help anymore, but it's difficult to understand sitting in front of a (far away) screen.
This seem one of those "Sherlock Holmes" cases.. You need to take everything into account and if all fails what remains, though unlikely, is the truth.
(This shoud be a citation)
Dan
Ciao,
Ermanno -
Performance problem while CPU is 80% Idel ?
Hi,
My end users are claim for performance problem during execution of batch process.
As you can see there are 1,745 statement executing each second.
Awr report shows 98.1% of the time , waits on CPU .
Also Awr report shows that Host CPU is :79.9% Idel.
The second wait event shows only 212 seconds waits on db file sequential read.
Yet , 4 minute in 1 hour period is seems not an issue.
Please advise
DB Name DB Id Instance Inst Num Startup Time Release RAC
QERP xxx erp 1 21-Jan-13 15:40 11.2.0.2.0 ; NO
Host Name Platform CPUs Cores Sockets Memory(GB)
erptst HP-UX IA (64-bit) 16 16 4 127.83
Snap Id Snap Time Sessions Curs/Sess
Begin Snap: 40066 22-Jan-13 20:00:52 207 9.6
End Snap: 40067 22-Jan-13 21:00:05 210 9.6
Elapsed: 59.21 (mins)
DB Time: 189.24 (mins)
Cache Sizes Begin End
~~~~~~~~~~~ ---------- ----------
Buffer Cache: 8,800M 8,800M Std Block Size: 8K
Shared Pool Size: 1,056M 1,056M Log Buffer: 49,344K
Load Profile Per Second Per Transaction Per Exec Per Call
~~~~~~~~~~~~ --------------- --------------- ---------- ----------
DB Time(s): 3.2 ; 0.1 ; 0.00 ; 0.05
DB CPU(s): 3.1 ; 0.1 ; 0.00 ; 0.05
Redo size: 604,285.1 ; 27,271.3
Logical reads: 364,792.3 ; 16,463.0
Block changes: 3,629.5 ; 163.8
Physical reads: 21.5 ; 1.0
Physical writes: 95.3 ; 4.3
User calls: 68.7 ; 3.1
Parses: 212.9 ; 9.6
Hard parses: 0.3 ; 0.0
W/A MB processed: 1.2 ; 0.1
Logons: 0.3 ; 0.0
Executes: 1,745.2 ; 78.8
Rollbacks: 1.2 ; 0.1
Transactions: 22.2
Instance Efficiency Percentages (Target 100%)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Buffer Nowait %: 100.00 ; Redo NoWait %: 100.00
Buffer Hit %: 99.99 ; In-memory Sort %: 100.00
Library Hit %: 99.95 ; Soft Parse %: 99.85
Execute to Parse %: 87.80 ; Latch Hit %: 99.99
Parse CPU to Parse Elapsd %: 74.76 ; % Non-Parse CPU: 99.89
Shared Pool Statistics Begin End
Memory Usage %: 75.37 ; 76.85
% SQL with executions>1: 95.31 ; 85.98
% Memory for SQL w/exec>1: 90.33 ; 82.84
Top 5 Timed Foreground Events
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Avg
wait % DB
Event Waits Time(s) (ms) time Wait Class
DB CPU 11,144 98.1
db file sequential read 52,714 214 4 1.9 User I/O
SQL*Net break/reset to client 29,050 6 0 .1 Applicatio
log file sync 2,536 6 2 .0 Commit
buffer busy waits 4,338 2 1 .0 Concurrenc
Host CPU (CPUs: 16 Cores: 16 Sockets: 4)
~~~~~~~~ Load Average
Begin End %User %System %WIO %Idle
0.34 ; 0.33 ; 19.7 ; 0.4 ; 1.8 ; 79.9Nikolay Savvinov wrote:
if the users are complaining about performance of the batch process, then that's what you should be looking at, not the entire system.I find it strange to see "end users" and "the batch process" in the same sentence (as it was in the first post). "End users" gives me the feeling of a significant number of concurrent sessions with people waiting for results in real time at the far end, while "batch process" carries the image a small number of large scale processes running overnight to prepare the data for the following morning.
I mention this because my first view of the AWR output was: you've got 16 CPUs, only three in use, virtually no users, and doing very little work, how can the users complain. (One answer, of course, is that the 13 CPUs could be locked out of use as far as Oracle is concerned). On the second read I decided that the "users" had gone home, and the complaint was simply that the batch process wasn't completing in time.
In this case I think "the entire system" IS "the batch process"
Determine which stored procedures and/or SQL statements took longer than usual and then find out why. Most likely you'll be able to find
everything you need in AWR views (DBA_HIST_SQL%) and ASH archive (DBA_HIST_ACTIVE_SESS_HISTORY).
If the batch process has changed dramatically and recently, then a simple first step might be to look at the current AWR report, find the few most time-consuming SQL statements, and use the awrsqrpt.sql script to find their history of execution plans.
But I'd also just look at the expensive SQL - bearing in mind, particularly, that there are very few user calls per second, yet many hundred executions per second: it strikes me that there could be quite a lot of PL/SQL going on doing something a little bit expensive many times or some PL/SQL function that calls some SQL that used to be called rarely from an SQL statement but is now (due, perhaps to a change in plan) being called much more frequently - so check SQL Ordered by Executions.
Regards
Jonathan Lewis -
Very high "load average" in top
Hi,
our OES11SP1 two-server-cluster (fully patched) shows a very high "load
average" (>50, up to 110) in top in some circumstances. There are no
problems in normal operation, but administrator actions like shutdown or
cluster migrate might trigger the problem.
For example when I enter 'halt', then there is the following line in
/var/log/messages:
Sep 12 20:27:18 srv1 shutdown[14675]: shutting down for system halt
more than 20 minutes later:
Sep 12 20:51:19 srv1 init: Switching to runlevel: 0
Within thes 20 minutes nothing happens, but "average load" goes up to at
least 50, with ndsd at top. Access to storage related tools and commands is
not possible, for example 'nss /pool' hangs without any output.
This happens on nearly every shutdown, but from time to time it doesn't. The
same will sometimes be triggered by a cluster migrate.
This only happens with our OES11SP1 cluster, it does not happen with OES11
and OES2SP3; the only other difference I'm aware of: Novell CIFS is only
running on the OES11SP1 cluster.
Any ideas?
Thanks,
MirkoSorry for the delay, it seems it's a bad habit of me to ask questions
immediately before holidays...
Yes, these servers have replicas, all of them... Cache size is set to 195328
KB, which is about twice the DIB size. IIRC this was a recommendation I read
somewhere at Novell. But I'll check that information again.
Thanks,
Mirko
kjhurni wrote:
>
> Mirko Guldner;2283539 Wrote:
>> top shows ndsd on top - but it's there in normal operation too, so I
>> don't
>> know if this means something.. (?) And it's not always the CPU which is
>> at
>> 100% - I have an example screenshot with: load average 50.20, 51.61,
>> 41.0
>> 3.2%us, 1.0%sy, 0.0%ni, 77.0%id 18%wa 0.0%hi 0.3%si 0.0%st. But this is
>> only
>> an example - this differs.
>>
>> Thanks,
>> Mirko
>>
>> kjhurni wrote:
>>
>> >
>> > Mirko Guldner;2283448 Wrote:
>> >> Hi,
>> >>
>> >> our OES11SP1 two-server-cluster (fully patched) shows a very high
>> "load
>> >> average" (>50, up to 110) in top in some circumstances. There are no
>> >> problems in normal operation, but administrator actions like
>> shutdown
>> >> or
>> >> cluster migrate might trigger the problem.
>> >>
>> >> For example when I enter 'halt', then there is the following line in
>> >> /var/log/messages:
>> >>
>> >> Sep 12 20:27:18 srv1 shutdown[14675]: shutting down for system halt
>> >>
>> >> more than 20 minutes later:
>> >>
>> >> Sep 12 20:51:19 srv1 init: Switching to runlevel: 0
>> >>
>> >> Within thes 20 minutes nothing happens, but "average load" goes up
>> to
>> >> at
>> >> least 50, with ndsd at top. Access to storage related tools and
>> commands
>> >> is
>> >> not possible, for example 'nss /pool' hangs without any output.
>> >>
>> >> This happens on nearly every shutdown, but from time to time it
>> doesn't.
>> >> The
>> >> same will sometimes be triggered by a cluster migrate.
>> >>
>> >> This only happens with our OES11SP1 cluster, it does not happen with
>> >> OES11
>> >> and OES2SP3; the only other difference I'm aware of: Novell CIFS is
>> >> only
>> >> running on the OES11SP1 cluster.
>> >>
>> >> Any ideas?
>> >>
>> >> Thanks,
>> >> Mirko
>> >
>> > Which process(es) does top show as being the culprit?
>> >
>> > In the past (on OES2 SP3) we had issues with CIFS causing ncp to
>> cause
>> > high utilization, but that was fixed a while ago.
>> >
>> > --Kevin
>> >
>> >
>
> I have seen ncp issues cause high ndsd utilization, but we've not yet
> upgraded our cluster or DS servers to OES11 yet (waiting for new
> hardware to go in place first).
>
> Out of curiosity, are the servers with high utilization also replica
> servers? For some reason, during one of our upgrades on a replica
> server (we have a server that contains all R/W copies of everything),
> the cache size got set down really low and that caused all sorts of
> issues.
>
> Maybe one of my collegues will wander by and offer additional insight,
> as this may be eDir related and/or NCP related. Not sure if triggering
> a core manually would help (but you'd have to send that to Novell and
> open an SR to get it read).
>
> IF you suspect CIFS, do you have the ability to temporarily shut off
> CIFS for like a few days to see if that's the culprit?
>
> -
Hello all,
I'd like to know what does mean the values that appears in load averages. When I execute the prstat command, return these values for example:
Total: 69 processes, 153 lwps, load averages: 0.07, 0.06, 0.06
What are they these values?
Thanks!man uptime(1)
DESCRIPTION
The uptime command prints the current time, the length of
time the system has been up, and the average number of jobs
in the run queue over the last 1, 5 and 15 minutes. It is,
essentially, the first line of a w(1) command.
The real world interpretation is how many processes are vieing for full cpu contention at any particular time. It will end up being a relative figure (based on number of cpus installed in your machine), and based on the output of the original post, unless you have processes blocking away, your system appears to be very idle from a cpu consumption point of view.
Regards,
Jeff -
[SOLVED] High load average in X at idle
Hello Archers,
Recently my laptop has been showing abnormally high 1-minute load averages (~0.20-0.80 on a dual-core machine) at idle whenever I have X running. This figure has always settled down to 0.00 after a while, and indeed it does when I exit to the console. What's puzzling is that top reports a less-extreme 2-3% CPU usage number, with X taking 1% at most (still high, though, considering I'm running a very lightweight DWM setup). To be sure, this does heat up the CPU noticeably. I don't think I've changed anything on my system except for routine updating, and I've made sure my .xinitrc script isn't the culprit.
Any ideas on why this is?
EDIT: Marked as [SOLVED].
Last edited by ktkhuong (2010-08-27 00:28:45)Kernel .35.
https://bbs.archlinux.org/viewtopic.php?id=103346
Last edited by karol (2010-08-26 10:33:35) -
Hi,
How the load average in a solaris system is calculated. What is the threshold level of load average, which could be panic to server.
Regards,
SivaWe had a large system with over 100 cpu's running Solaris 10, and the highest load point average (LPA) that I saw was over 1000. The system was slow but did not panic.
I believe that the LPA divided by the number of cpu's will tell you the number of jobs per cpu which are runnable. If the LPA is larger that the number of CPU's then you are time slicing between the available jobs, and getting less than a full slice per job.
Maybe you are looking for
-
Aggregate tables in Administration tool
Hello! I have a problem when I want to create aggregate tables. I create query with Aggregate Persistence, but when I run it in Job Manager in it is running but it never ends. Can you help me please?! Regards, Karin
-
Multiple XML transformed to one HTML
Can any one please help and tell me how to transform many small xml's to one html using one style sheet. What I want to do is to transform many small xml's(summary.xml, detail.xml etc) into one HTML using one or many xsl. Thanks, Vijayan
-
How to stop a sound from loading ? my_sound.unload or something ?
I want the sound to stop loading when I press the stop button, I have: var my_sound:Sound = new Sound(_root); my_sound.onLoad = function() { my_sound.start(); preload_btn.onRelease = function() { my_sound.loadSound("some_sound.mp3", false); stop_btn.
-
Files corruption? - Large squares of each layer are erased when opening files.
Hello, I have a problem with my PSD files: I create a documents with multiple layers. When saving the files look OK, then when I close and re-open them, some part of each layer simply aren't here anymore. Squares of approximately 350px by 350px are e
-
How Do I accurately measure digital Polses using a compact field point
Hi All, My Goal Is to measure the speed of an item by measuring the difference between operation of 2 switches. Pulse can be between 100 msec and hours. I require > 100 uSec Accuracy @ 100 msec, 1msec @ 1 Sec etc... This architecture is fixed, What I