Extremely Slow Wireless Performance on an Extended Network

Hi
My network setup consists of a Time Capsule (early 2009) wireless network that is being extended by an AirPort Extreme (early 2007) which has an Xbox 360 connected to it via ethernet.
1) Everything seems fine on the MacBook Pro (wireless N) when connected to the Time Capsule and I can get the full speed of my broadband connection (8Mbit). However, when the MacBook Pro connects to the AirPort Extreme, in another room, my broadband speed drops to around 2Mbit, however the transfer rate usually remains unchanged (between 78 and 130).
I know it has nothing to do with the positioning of the base stations, as when I turn off the AirPort Extreme, the MacBook Pro, in the same room, has the full internet speed.
This is really annoying as I rely on my Xbox 360 for heavy video streaming and content downloads.
2) When the Xbox 360 is downloading something, any internet served by the AirPort Extreme becomes totally unusable and dead.
3) Additionally, the AirPort Extreme sometimes insists on extending the 5Ghz network from the Time Capsule which only provides a rate of around 10.
Please help me!
Thanks

To insure that your AirPort Extreme is extending the 2.4 GHz band from your Time Capsule:
Open AirPort Utility, select the Time Capsule and click Manual Setup
Click the Wireless tab below the row of icons
Click the Wireless Options button
Assign a separate name for your 5 GHz network. (By default, AirPort Utility will automatically add "5 GHz" to your network name.)
Click Update to save your changes
Then check to make sure that your AirPort Extreme is setup to extend the 2.4 GHz band from the Time Capsule, not the "5 GHz" network.
If you perform a Factory Default Reset on the Time Capsule, it will not affect your stored backups on the Time Capsule disk.

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Macbook Air Extremely Slow Wireless

Hello All,
Got my brand new MB-Air and from the get-go noticed extremely slow wireless performance. I did a bit of digging and here is what I found.
The MB-Air works OK with cheap (consumer) wireless APs, however when used in conjunction with the commercial APs most of which use the Atheros chipset the performance is horrible. I found that when connecting to APs that use Atheros' commercial chipset, the MB-Air connects with 802.11 G specs instead of N even when the signal metrics are excellent such as -39 RSSI.
Moreover, even With the 802.11 G connection at 54Mbps the performance is both sluggish and latent. Small file transfers have a 50/50 shot at working and large file transfers seem to die reliably. Albeit this could be an issue with Apple's implementation of SMB / Samba which is rather poor.
I have tried to turn off Bluetooth to see if my experience is different. We'll see.
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Sitting side-by-side, my MBA was averaging less than 1 Mb/s on downloads, and my MBP more than 9 Mb/s. The MBP was fully ten times faster. As you can imagine, viewing videos was a ragged, unpleasant experience on the MBA.
I'm using an early wireless-N Belkin router, so it didn't show up on airport utility, thus i couldn't change channels there as proposed on this thread. But to isolate the problem, at my brother's suggestion i took both computers to a Starbucks, and observed the two computers downloading there at equal speeds. So clearly the problem wasn't with my MBA, but my router.
I went to Belkin's website to figure out how to change channels on the router, and checked for firmware updates. There was one, so i figured I'd do that before attacking the "changing channels" task. I upgraded the firmware, and with that simple fix my MBA is happily zipping along now with >9 Mb/s downloads, same as the MBP. More than TEN times faster than before. My iPhone download speeds increased more than tenfold, too.
My advice, if you're having wireless problems with your MBA: First make sure your router's running the latest firmware.

Firefox 4 is extremely slow to perform any function on my lap top compared to previous versions. Why? And how do I change this!

Firefox 4 is extremely slow to perform any function on my lap top compared to previous versions. Why? And how do I change this!

Firefox 21 and Firefox 22 running on Windows 7 have been reported to take a long time to "wake up" from sleep. I realize hibernation is different than sleep, but... this is the closest match for your description.
Some users have reported that this problem is resolved in Firefox 23 (currently in beta). Others have had inconsistent luck with minimizing Firefox before letting Windows sleep and other measures.
Please check out this (very long) thread for more information: [https://support.mozilla.org/questions/961898 browser freezes after resuming from sleep]
Or jump to the part about Firefox 23: https://support.mozilla.org/questions/961898?page=3#answer-457321
The fact that this just started recently suggests perhaps it is related to another program or update, but I don't think anyone has confirmed the exact interaction that causes the problem.

EXTREMELY SLOW XQUERY PERFORMANCE AND SLOW DOCUMENT INSERTS

EXTREMELY SLOW XQUERY PERFORMANCE AND SLOW DOCUMENT INSERTS.
Resolution History
12-JUN-07 15:01:17 GMT
### Complete Problem Description ###
A test file is being used to do inserts into a schemaless XML DB. The file is inserted and then links are made to 4
different collection folders under /public. The inserts are pretty slow (about
15 per second and the file is small)but the xquery doesn't even complete when
there are 500 documents to query against.
The same xquery has been tested on a competitors system and it has lightening fast performance there. I know it
should likewise be fast on Oracle, but I haven't been able to figure out what
is going on except that I suspect somehow a cartesian product is the result of
the query on Oracle.
### SQLXML, XQUERY, PL/SQL syntax used ###
Here is the key plsql code that calls the DBMS_XDB procedures:
CREATE OR REPLACE TYPE "XDB"."RESOURCEARRAY" AS VARRAY(500) OF VARCHAR2(256);
PROCEDURE AddOrReplaceResource(
resourceUri VARCHAR2,
resourceContents SYS.XMLTYPE,
public_collections in ResourceArray
) AS
b BOOLEAN;
privateResourceUri path_view.path%TYPE;
resource_exists EXCEPTION;
pragma exception_init(resource_exists,-31003);
BEGIN
/* Store the document in private folder */
privateResourceUri := GetPrivateResourceUri(resourceUri);
BEGIN
b := dbms_xdb.createResource(privateResourceUri, resourceContents);
EXCEPTION
WHEN resource_exists THEN
DELETE FROM resource_view WHERE equals_path(res, privateResourceUri)=1;
b := dbms_xdb.createResource(privateResourceUri, resourceContents);
END;
/* add a link in /public/<collection-name> for each collection passed in */
FOR i IN 1 .. public_collections.count LOOP
BEGIN
dbms_xdb.link(privateResourceUri,public_collections(i),resourceUri);
EXCEPTION
WHEN resource_exists THEN
dbms_xdb.deleteResource(concat(concat(public_collections(i),'/'),resourceUri));
dbms_xdb.link(privateResourceUri,public_collections(i),resourceUri);
END;
END LOOP;
COMMIT;
END;
FUNCTION GetPrivateResourceUri(
resourceUri VARCHAR2
) RETURN VARCHAR2 AS
BEGIN
return concat('/ems/docs/',REGEXP_SUBSTR(resourceUri,'[a-zA-z0-9.-]*$'));
END;
### Info for XML Querying ###
Here is the XQuery and a sample of the output follows:
declare namespace c2ns="urn:xmlns:NCC-C2IEDM";
for $cotEvent in collection("/public")/event
return
<cotEntity>
{$cotEvent}
{for $d in collection("/public")/c2ns:OpContextMembership[c2ns:Entity/c2ns:EntityIdentifier
/c2ns:EntityId=xs:string($cotEvent/@uid)]
return
$d
</cotEntity>
Sample output:
<cotEntity><event how="m-r" opex="o-" version="2" uid="XXX541113454" type="a-h-G-" stale="2007-03-05T15:36:26.000Z"
start="2007-03-
05T15:36:26.000Z" time="2007-03-05T15:36:26.000Z"><point ce="" le="" lat="5.19098483230079" lon="-5.333597827082126"
hae="0.0"/><de
tail><track course="26.0" speed="9.26"/></detail></event></cotEntity>

19-JUN-07 04:34:27 GMT
UPDATE
=======
Hi Arnold,
you wrote -
Please use Sun JDK 1.5 java to perform the test case.Right now I have -
$ which java
/usr/bin/java
$ java -version
java version "1.4.2"
gcj (GCC) 3.4.6 20060404 (Red Hat 3.4.6-3)
sorry as I told you before I am not very knowledgeable in Java. Can you tell me what setting
s I need to change to make use of Sun JDK 1.5. Please note I am testing on Linux
. Do I need to test this on a SUN box? Can it not be modify to run on Linux?
Thanks,
Rakesh
STATUS
=======
@CUS -- Waiting for requested information

Extremely slow wireless xfer from Macbook to USB drive on Airport Extreme

I have tried to set up my external 1TB seagate USB drive to my AE for wireless network storage (only 1 computer on network, but I also have an AppleTV). If the drive is connected directly to my MB the transfer speeds are fine, but when I try to go wireless the speeds are extremely slow - to the point of unusable. I am sure these issues have been discussed previously, but I cant find an obvious solution. Is there anyway to run network diagnostics to see what my MB->AE transfer speeds are and what my AE-WWW speeds are? I dont recall the cable bandwidth that I get from Time Warner - but it is one of the faster options.......

mfirst wrote:
I have tried to set up my external 1TB seagate USB drive to my AE for wireless network storage (only 1 computer on network, but I also have an AppleTV). If the drive is connected directly to my MB the transfer speeds are fine, but when I try to go wireless the speeds are extremely slow
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I dont recall the cable bandwidth that I get from Time Warner - but it is one of the faster options.
I wouldn't expect that to be a factor in the performance you're seeing.

Extremely slow wireless printing with HP Photosmart Premium C309g-m

I'm seeing extremely slow print speeds when printing wirelessly from a Mac or a Windows XP system to a new HP Photosmart Premium C309g-m printer. The printer begins printing immediately when I request a print, but it only prints one line. It will then take about 15 minutes to print the rest of the page, printing each line after a very long pause. Demo page printing doesn't exhibit this problem, only documents from programs like Word 2008, Safari and Firefox (tried firefox on PC and Mac) are affected.
If I connect to the printer through a USB connection it prints fine, so this problem appears to be with wireless printing only.
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Computer: Mac mini (Late 2009 model) (also tried a Windows XP laptop as a comparison, using latest drivers from HP's website)
OS: Mac OS X 10.6.2 with all available updates installed
Computer connection method: Wired Ethernet connection to wireless router
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IP addressing scheme: All addresses are handed out by DHCP server with no reservations of any kind
The TimeCapsule is sitting three inches from the printer and the printer indicates full signal. Connection of the printer to the wireless network and setup of the printer on the Mac went without a hitch. Only when printing a test document did we discover the problem. The wireless network is behaving as expected when accessing the Internet from both Mac and Windows devices (tested with a Dell laptop running XP and a MacBook running OS X 10.6.2), so I don't see any overall problems with the wireless network.
Attempted remedies:
1. Rebooting and powering off, waiting, powering on computer
2. Resetting the print subsystem, turning the printer off and on again and reinstalling the printer
3. Unplugging power from the printer and letting it sit for several minutes before trying to print wirelessly.
None of these worked.
This question was solved.
View Solution.

I don't think there is anything wrong with the DSL modem HW. There might be an issue with how print data is being routed though.
Please try the second experiment where you blank-out the default gateway and DNS entries from the printer's internal web configuration page. Open the printer's internal web page by browsing to its IP address. Select Networking and then Wireless (802.11). Under the IPv4 Configuration tab, select Manual IP:
For Manual IP Address, use the existing printer IP address.
For Manual Subnet Mask, use 255.255.255.0
For Manual Default Gateway, leave blank. This is important.
Select Manual DNS Server:
Leave both the Manual Preferred DNS Server and Manual Alternate DNS Server fields empty. This is important.
Press Apply.
Turn off the DSL modem, the printer and all computers connected to your network. Wait 60 seconds then turn on the DSL modem and then turn on the printer. Then turn on the computers. See if this corrects the printing speed.
Regards / Jim B / Wireless Enthusiasts
( While I'm an embedded wireless systems engineer at work, on this forum I do not represent my former employer, Hewlett-Packard, or my current employer, Microsoft )
+ Click the White Kudos star on the left as a way to say "thank you" for helpful posts.

Macbook pro getting extremely slow in performance

hey guys, my mid 2012 macbook pro , i5, 4gb , 500hdd is getting **** slow in performance it takes a whooping 40 seconds to boot . i use FCPX , motion 5, after effects , lightroom on an daily basis for editing media.. somtimes it takes almost 3 mins to copy a 2 Gb of Full hd videos from flash memory. is there anything i can do to imporve my overall performace?

hey guys, my mid 2012 macbook pro , i5, 4gb , 500hdd is getting **** slow in performance it takes a whooping 40 seconds to boot . i use FCPX , motion 5, after effects , lightroom on an daily basis for editing media.. somtimes it takes almost 3 mins to copy a 2 Gb of Full hd videos from flash memory. is there anything i can do to imporve my overall performace?

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I am getting extremely low wireless throughput on my new WRVS4400N. I am using it with 802.11g laptops, and it doesn't matter what mode I put it in - g only, b/g, g/n, or b/g/n. It connects at 54 mbits/s, and as soon as I start to send data, it drops down to 11, 5.5, or even 1 mbps. It happens with several different laptops with g cards, and none of the wireless settings I've tried seem to help.
It appears other people have had this problem. Is this a known problem? SHould I just return it?
(Mod Note: Edited for non-compliance of forum guidelines.)Message Edited by daikunzeon on 12-08-2006 01:46 PM

hi , using wireless N practically , I've noticed that it works best when u have WPA2 encryption with either AES or TKIP ...try that and observe...

EXTREMELY SLOW WIRELESS NETWORK SPEED !!!

Hi,
I have an AirPort EXTREME conected to internet and an AirPort EXPRESS which I use as a range extender with WDS. My broadband speed is (unfortunatelly) never better than 2.7 Mb/s. I have noticed that my EXPRESS station is working at 54 Mb/s transmit rate while my EXTREME is always between 5 Mb/s and 25 Mb/s, most frequently between 8 and 10 Mb/s. I tried using only the EXTREME station for better monitoring of the traffic and I found that it works even slower, somewhere around 2 Mb/s. I use WPA2 coding and a fixed channel transmission (stand-alone or in WDS).
Is there any reason why transmit rate would drop so significantly? Is there a way to force a higher rate? My transmit rates are low very irrespective of whether I am somewher in the house behind wals or right next to the antena... The internet download time is slow even for just internet pages while downloading any file is quite slow and the connection to my wireless printer/scanner is greatly affected.
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Just to add some of my experiences to the debate.
I use a late-2008 TC and connect it wirelessly to an ISP supplied modem/router and a late-2008 iMac. Because of limitations with the modem/router, I had to use 802.11n at 2.5 GHz. The internet connection is via the modem/router and internet usage from the iMac is fine in all circumstances (it does not go via the TC).
Performance was pretty good with 7.3.2 but when I originally tried to upgrade to 7.4.1, TC backup became very slow and pretty unreliable. In my case, restarting the router got things going again but TC usage was always a pain. So, I reverted to 7.3.2 and ran beautifully for several months.
Then I tried 7.4.2 when it came out and my regular hourly backups became very slow, typically taking 70-80 minutes rather than 2-3 minutes. However, in contrast to 7.4.1, the connection to the TC was very reliable if slow, somewhat different to my experience with 7.4.1.
Switching back to 7.3.2 and TC was back to normal.
Being curious and having time, I decided to try changing things and see what happens. First tried dropping the wireless to use 802.11g. Result with 7.4.2 was excellent - probably a little faster than 7.3.2 with 802.11n. Tried 7.3.2 with 802.11g and that was as good as 7.4.2 with 802.11g.
Then tried letting the modem/router select the wireless channel and 7.4.2 with 802.11n became a lot better but remained at least twice as slow as 7.4.2 with 802.11g (but not 30 times worse).
So, what do I conclude from that? Not exactly sure but there would appear to be something amiss with the 802.11n support on the 2.5 GHz band for the "old" single band TC when using 7.4.2. Perhaps it is more susceptible to interference or something but when faced with identical circumstances (just switching the firmware level, no other change), it is definitely worse to very much worse.
For now I am happy with 802.11g and 7.4.2.

IPhone 5 won't connect to Airport Extreme (1st gen) at end of extended network

See the attached image below for my network setup... The Time Capsule is a 4th gen unit, the Airport Express (Mudroom) is a 2nd gen - both of which are dual band devices (5GHz *and* 2.4GHz at the same time). The Airport Extreme (Workshop) is a 1st gen unit that only supports one band at a time (5Ghz *or* 2.4Ghz, but not at the same time). Don't know if it matters, but the other Airport Express (Living Room Speakers) is a 1st gen "N" unit, again, either 5GHz *or* 2.4GHz at a time.
The Workshop and Mudroom devices are about 100-120' apart, and have a decent connection between the two (I have both units sitting in windows so there is minimal obstruction on a line-of-sight between them).
When I go out to the workshop, my iPhone 5 will not switch over to the device in the shop - it tries to stay connected to the unit in the mudroom, which of course has a weak signal because my iPhone is now inside a metal building.
I've searched online (here and google) to see if perhaps this has something to do with the dual band vs. single band nature of the devices, but haven't come up with anything definitive.
Any ideas? Do I need to get a newer Express to put out in the workshop that supports dual band?
Thanks...

The graphic is fooling you. The Workshop AirPort will not extend the signal unless there is a dotted line directly from the TIme Capsule to the Workshop AirPort. You cannot have another AirPort in "between' the Time Capsule and Workshop AirPort if you want the Workshop AirPort to provide any additional wireless coverage.
For more details, see this Apple Support document note.
If you have a Mac laptop handy, we can do another test to prove that the Workshop AirPort is not extending the signal at all. It is "joining" the network....and it provides no additional wireless coverage that way.
If you want the Workshop AirPort to "extend" there must be a dotted line directly from the Time Capsule to the Workshop AirPort. No other Airports can come "between" the Time Capsule and Workshop AirPort.

After 7.3.1, extremely slow wireless on Xbox 360 and PS3

Everything was running good on my PS3 and Xbox 360 connected wireless to my Airport Extreme. I upgraded to 7.3.1 and now things are running very slow. I also saw some very slow transfers from one Macbook Pro to another, both connected via Wireless N (0.5 MB/sec).
I'd reset the router and modem and have no idea what the deal is. Anybody have any thoughts? I tried connecting my PS3 and Xbox 360 with an ethernet cable and speeds go back to normal. Too bad I can't run a wire where I am now.
Any help is greatly appreciated.
Thanks,
Matt

I'm a bit lay entering this discussion. But I too experienced this problem with my PS3. I benchmarked my AirPort with my old DL524-UP, and amazingly, the AirPort was about 30 to 50% slower both on my PS3 and my PC. So I checked out the settings on the D Link to figure out a variable that might be having an impact. I noticed that the D Link was configured to Channel 6. So I changed the AirPort settings from auto to Channel 6, did another benchmark, and what do you know. Suddenly my PS3 and PC are downloading beautifully. So that's my solution to this widespread problem - manually select channel 6!

[SOLVED] Extremely Slow Wireless on Macbook Pro

SOLVED (Hopefully forever.)
Problem: The b43 and bcma kernel modules do not get along. You'd never know this with kernels up to 3.2.14, as bcma is not automatically loaded and it is not needed with b43. For recent kernels however, it is. It in turn destroys wireless internet speeds.
Solution: The broadcom-wl driver. It used to be portrayed in the Wiki as being something to avoid, but that has changed recently. It offers a better connection and much faster speeds, but can take a little bit more effort to set up. Just a bit.
Broadcom-wl Installation and Setup
1. Install broadcom-wl from the AUR.
2. Uninstall b43-firmware if it's installed.
3. Note what broadcom-wl has put into /etc/modprobe.d. These blacklistings will ensure no interference from other kernel modules. Also make sure you're not blacklisting `wl` or its friends, if you have been.
4. Don't reboot yet. Go to /sys/class/net and use the command:
udevadm info -a -p /sys/class/net/<yourdevice> | grep address | tr [A-Z] [a-z]
(of course replacing <yourdevice> with the names of your interfaces - probably eth0 and wlan0) This will tell you their MAC addresses. Write these down!
5. Go to /etc/udev/rules.d/ and create a file called 10-network.rules. We are going to make custom udev rules so that our interfaces are matched to their proper names at boot time. Here is a template:
SUBSYSTEM=="net", ATTR{address}=="aa:bb:cc:dd:ee:ff", NAME="net0"
SUBSYSTEM=="net", ATTR{address}=="ff:ee:dd:cc:bb:aa", NAME="wifi0"
Enter the MAC addresses (in lower case!) and give them names in the NAME field. Apparently it's a good idea to choose new interface names, different from the default eth0 and wlan0. My file looks like this:
SUBSYSTEM=="net", ATTR{address}=="58:b0:35:f6:45:0c", NAME="wired0"
SUBSYSTEM=="net", ATTR{address}=="f8:1e:df:ea:99:17", NAME="wifi0"
6. Go change ANYTHING that had references to the old interface names. I had to change my rc.conf, as well as settings in my wicd preferences so that it knows what names to look for.
7. Rebuild your kernel image with
sudo mkinitcpio -p linux
(you might not have to do this, but it couldn't hurt.)
8. Save this page. Yes, the html. This is so that you still know what to do in case of problems and no internet.
9. Reboot and enjoy your restored wireless internet.
---- ORIGINAL POST ----
Seems everybody and their grandmothers are having internet problems since 3.3.
On a Macbook Pro, kernel 3.3.2-1.
Here is my problem: http://i.imgur.com/AcqLM.jpg
I made that image before checking the forums, but now that I've looked around I suspect the kernel.
Put up with it until 3.3.3? Or regress?
Last edited by fosskers (2012-08-31 13:00:28)

@fosskers:
Sry, I just told KDE to disable it
@all:
/proc/net/wireless looks pretty bad:
Inter-| sta-| Quality | Discarded packets | Missed | WE
face | tus | link level noise | nwid crypt frag retry misc | beacon | 22
wlan0: 0000 70. -38. -256 0 0 0 514 2 0
After measuring this, I just got kicked out (again):
[ 1072.839997] ieee80211 phy0: wlan0: No probe response from AP 4c:e6:76:22:4f:33 after 500ms, disconnecting.
Now it even refuses to reconnect. This is a full "enable wireless - try connect - fail"-cycle:
[ 1698.359901] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 1698.560136] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1721.394168] wlan0: authenticate with 4c:e6:76:22:4f:33
[ 1721.420074] wlan0: send auth to 4c:e6:76:22:4f:33 (try 1/3)
[ 1721.422002] wlan0: authenticated
[ 1721.423411] wlan0: associate with 4c:e6:76:22:4f:33 (try 1/3)
[ 1721.426883] wlan0: RX AssocResp from 4c:e6:76:22:4f:33 (capab=0x411 status=0 aid=1)
[ 1721.426886] wlan0: associated
[ 1721.428216] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1729.470178] wlan0: deauthenticated from 4c:e6:76:22:4f:33 (Reason: 2)
[ 1729.473907] cfg80211: Calling CRDA to update world regulatory domain [...]
[ 1730.674444] wlan0: authenticate with 4c:e6:76:22:4f:33
[ 1730.700199] wlan0: send auth to 4c:e6:76:22:4f:33 (try 1/3)
[ 1730.702446] wlan0: authenticated
[ 1730.703423] wlan0: associate with 4c:e6:76:22:4f:33 (try 1/3)
[ 1730.706988] wlan0: RX AssocResp from 4c:e6:76:22:4f:33 (capab=0x411 status=0 aid=1)
[ 1730.706997] wlan0: associated
[ 1738.740963] wlan0: deauthenticated from 4c:e6:76:22:4f:33 (Reason: 2)
[ 1738.748937] cfg80211: Calling CRDA to update world regulatory domain [...]
[ 1739.954181] wlan0: authenticate with 4c:e6:76:22:4f:33
[ 1739.980222] wlan0: send auth to 4c:e6:76:22:4f:33 (try 1/3)
[ 1739.982773] wlan0: authenticated
[ 1739.983401] wlan0: associate with 4c:e6:76:22:4f:33 (try 1/3)
[ 1739.987077] wlan0: RX AssocResp from 4c:e6:76:22:4f:33 (capab=0x411 status=0 aid=1)
[ 1739.987086] wlan0: associated
[ 1746.001760] wlan0: deauthenticating from 4c:e6:76:22:4f:33 by local choice (reason=3)
[ 1746.015596] cfg80211: Calling CRDA to update world regulatory domain [...]
Sometimes it does not find any networks at all (iwlist wlan0 scan shows nothing)
Again, everything was fine with kernel < 3.4. (downgrading helps).
Maybe I should start compiling some kernels myself and search the regression with a bisection...

Extremely slow HDD performance on Acer 7551

Has anyone else experienced slow performance on their laptop (I wouldn't think this is specific to the Acer but I suppose its possible) where it takes at least 2 seconds or more for the command to seem to be executed? The login prompt is an obvious first example for me (via the command prompt not a DM) where after I enter my username the Password prompt wont appear for about 2-3 seconds and then even after the password being entered the bash prompt wont appear for another 2-3 seconds. The HDD light is active/blinking during these pauses too so its like its seeking for something on the other end of the drive.
Its a standard laptop HDD speed (5400 RPM) but I wouldn't think this would make the hiccups occur. I never noticed this before in other installations such as Fedora and Ubuntu.
Is it possible that its my partition schema? It is as follows:
sda1 --> /boot
sda2 --> /
sda3 --> /var
sda5 --> /swap (logical)
sda6 --> /home (logical)
sda7 --> /tmp (logical)
I have also tried the standard recommended:
sda1 --> /root
sda2 --> /var
sda3 --> /swap
sda5 --> /home (logical)
and still the issue remains. Is it really just my HDD?

t3kka wrote:Reading around on some other threads I found regarding a slow login to tty I noticed some folks state that a large root partition could be the problem. My HDD is 500GB with the root, var, swap, and home partitions being ~80GB, ~20GB, ~6GB, and then the remainder as in home (respectively). Maybe having a large root partition along with the location of the home partition makes the HDD head travel a much further distance which is physically equated to a delay in login and other actions. With such a large HDD, what would you recommend for partition schemes?
I have a 640 gb 5400rpm drive, and I've installed arch with only a huge root partition on it in the past, and had no speed issues (currently I have a 40gb root and a ~595gb home and a 5 gig swap).
Last edited by bwat47 (2012-06-24 20:56:03)

Extremely slow wireless internet thru Time Capsule

My iMac is connected by wire to Time Capsule and internet speed is great 30+MB/s.
My Mac Mini (approx 60'from TC) connects wirelessly through router to internet. Speed was fine at first and then started slipping. Now near zero to 3MB/s. Tried reboot - seems to help but only momentarily.
Any clue what is going on? If it's just too far away - is there any solution short of moving mini (which isn't workable)? If it's too far away - why did it work fine for several months?
Completely frustrated - Please help!

dencamp wrote:
My iMac is connected by wire to Time Capsule and internet speed is great 30+MB/s.
My Mac Mini (approx 60'from TC) connects wirelessly through router to internet. Speed was fine at first and then started slipping. Now near zero to 3MB/s.
I'd check the strength of the signal and noise you're seeing. On your mini launch AirIPort Utility, then double-click on your base station on the left to enter "manual setup" mode. Pull down the "Base Station" menu and select the "Logs and Statistics" item. In the resulting window select the "Wireless Clients" tab. What values do you see for "Signal" and "Noise" for the mini? This discussion post
http://discussions.apple.com/thread.jspa?messageID=10329543&start=1
describes how to evaluate the relationship between the signal and noise numbers.

Extremely Slow Report Performance

I have a report that I have been using for several years with no problems until recently. I made a change to the stored procedure that the report uses, and now the report will take several hours to run; whereas previously it took less than a minute. The change to the proc was very minor and involved only changing some verbage on a static text field that the procedure returned. The output of the procedure was not changed, and I can run the procedure using SQL management studio in less than 2 seconds. However, as I said Crystal Report takes several hours to run this same stored procedure. I even tried creating a brand new report and using this procedure as the datasource, and it did the same thing. This makes absolutely no sense to me. Can anyone tell me why this is happening? I'm using Crystal Reports 2008 with sp2.

The verify database takes just as long as running the report itself, so it doesn't help. The portion of the proc that was changed was as follows:
This:
set @bodyBlock2 =
'NOTA: En caso de no tener la(s) devolucion(es) solicitada(s), favor de ' +
'anotar en la presente el motivo por el cual no se est entregando la ' +
'devolucion.
Para cualquier duda y/o aclaracion al respecto, quedo de usted en la linea ' +
'de Help Desk
58 64 17 07 or 01 800 509 17 84, lada sin costo.'
Was changed to this:
set @bodyBlock2 =
'NOTA: En caso de no tener la(s) devolucion(es) solicitada(s), favor de ' +
'anotar en la presente el motivo por el cual no se est entregando la ' +
'devolucion.
Para cualquier duda, aclaración o reporte ponemos a su disposición los siguientes
teléfonos 01800 509 1784, 01800 581 2490, lada sin costo o al (55) 5864 1700
extensiones 1757, 1802, 1811, 1791, 1707, 1726, 1762, 1767, 1781, 1792, 1820 o 1838'

Extremely Slow Wireless Performance on an Extended Network

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