Reduce Packet Loss
Jul 9, 2007
I have smokeping monitoring my game servers and so far in the little time that it has been running all my game servers have been encountering an average of 4 to 10% packet loss. Are there are tweaks i can run on the server computer to reduce packet loss? (registry modifications, etc.)
I downloaded a TCP tweak program called "TCP Optimizer" is it safe to run on a Windows 2003 Server OS?
The colo connection is an OC 192 and i have a 100Mbit ethernet card.
Here are my current TCP settings:
Quote:
[SYSTEMCurrentControlSetServicesTcpipParameters]
TcpWindowSize=-1
GlobalMaxTcpWindowSize=-1
EnablePMTUDiscovery=-1
EnablePMTUBHDetect=-1
SackOpts=-1
DefaultTTL=-1
TcpMaxDupAcks=-1
Tcp1323Opts=-1
DisableUserTOSSetting=-1
DefaultTOSValue=-1
[SYSTEMCurrentControlSetServicesAfdParameters]
DefaultReceiveWindow=-1
[SoftwareMicrosoftWindowsCurrentVersionInternet Settings]
MaxConnectionsPerServer=-1
MaxConnectionsPer1_0Server=-1
[SYSTEMCurrentControlSetServicesICSharingSettingsGeneral]
InternetMTU=-1
[SOFTWAREMicrosoftWindowsCurrentVersionExplorerRemoteComputerNameSpace{D6277990-4C6A-11CF-8D87-00AA0060F5BF}]
{D6277990-4C6A-11CF-8D87-00AA0060F5BF}=-1
[SYSTEMCurrentControlSetServicesDnscacheParameters]
MaxNegativeCacheTtl=-1
NegativeCacheTime=-1
NetFailureCacheTime=-1
NegativeSOACacheTime=-1
[SOFTWAREPoliciesMicrosoftWindowsPsched]
NonBestEffortLimit=-5
[SYSTEMCurrentControlSetServicesTcpipServiceProvider]
LocalPriority=499
HostsPriority=500
DnsPriority=2000
NetbtPriority=2001
[SystemCurrentControlSetServicesLanmanServerParameters]
SizReqBuf=-1
[SYSTEMCurrentControlSetServicesNdisWanParametersProtocols]
ProtocolMTU=-2
[SYSTEMCurrentControlSetServicesTcpipParametersInterfaces{D63AC0FA-D2C9-4D83-B057-31A353516AB3}]
MTU=-1
TcpWindowSize=-1
[SYSTEMCurrentControlSetServicesPschedParametersAdapters{D63AC0FA-D2C9-4D83-B057-31A353516AB3}]
NonBestEffortLimit=-2
[SYSTEMCurrentControlSetServicesTcpipParametersInterfaces{8190D94A-3B2D-45C4-998D-312E99D6061D}]
MTU=-1
TcpWindowSize=-1
[SYSTEMCurrentControlSetServicesPschedParametersAdapters{8190D94A-3B2D-45C4-998D-312E99D6061D}]
NonBestEffortLimit=-2
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Mar 15, 2007
I am noticing some packet loss on one of my boxes, most notably when i'm accessing the webmail (however i'm pretty sure it's not that)
Can anyone offer some tips as to how to nail this down?
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Dec 23, 2007
I have a dedicated windows 2003 server at a colocation facility that i use for game server hosting. Over the past 7 months, packet loss has become horrible with random periods of massive lag. My host says it's something on my end. I use a firewall with SPI enabled. Could that be causing it?
Strange thing is, the first few months my server was at that colo, they only had around 40 other servers on a single OC-192 pipe and i never had packet loss despite having the same SPI firewall. But now they have over 300 servers on the same OC-192 pipe. Could the packet loss be caused by my SPI firewall or them overloading the network with servers?
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Jun 10, 2009
Basically I registered with a new host. They sent me the details with obviously includes the IP address. I tested the IP address on just-ping.com and it came back with all of them having between 80% to 100% packet loss. Surely this is not normal is it? I havent moved my domain yet but it doesnt look good does it? Should I cancel?
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Jul 11, 2008
Anyone else experiencing packet loss with a GoDaddy VDS?
I'm in the 208.109.93 subnet.
--- google.com ping statistics ---
200 packets transmitted, 53 received, 73% packet loss, time 199086ms
rtt min/avg/max/mdev = 41.970/42.813/46.022/0.994 ms
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Dec 11, 2007
with two 3com 3870 switches.
Our setup looks like this
Computer A (GigE) Switch 1 (gigE) Media Converter (Fiber Run) Media Converter (gigE) Switch 2 (gigE) Computer B
We have a cross connect in our data center that uses media converters (fiber) to regular 1000FD on each end.
Each end of the 1000FD handoff is plugged into port 1 of the 3870's (switch 1 and switch 2).
Pinging from Computer A to Computer B we receive a 50% packet loss.
Pinging from Computer B to Switch 1, no packet loss.
Pinging from Computer A to Switch 2, 50% packet loss.
Looking in the interface, the port 1's on each switch auto negotiate to 1000FD, however flow control shows as off.
We asked our data center to run tests on the media converts and fiber runs and everything comes back 100% fine. Has anyone seen a weird issue like this before with 3com switches not playing nicely with media converters?
I have no clue whats going on and our data center said the fiber run/media converter is fine... [url]
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May 17, 2009
I have a home CentOS server and here is my issue
When I try to connect to it via SSH its laggy and often times out. I also notice packet loss.
My home network is 100 Mbps and the router is a crappy netgear WPN824 V3
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Nov 3, 2007
Recently I have been having this problem with two high traffic servers on two different network.
Both servers are Quad-Core Xeons with CentOS 4.5 x86_64 and they are on 100mbps full duplex network. Software configuration is Nginx+Apache+MYSQL control panel is Directadmin.
The servers are serving lots static files and some php scripts.
When the servers start push near or over 30mbps, there will be packet loss when I ping them. around 5% loss, push more bandwidth the more packet loss. I have checked all the log files, I don't see any unusual errors.
Server Load is fine. The NICs were on 100mbps full-duplex mode.
The datacenters claim the networks were fine and all the other servers running on the same switches were fine with no packet loss.
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Mar 19, 2007
I'm trying to find out why a single interface is causing packet loss on my entire network.
The network consists of four 2924's trunked to a 3550. I have about 20 vlans and a single default route for all traffic my uplink.
The network is perfect until I enable a single server. After I issue a 'no shut' on the interface packet loss is anywhere from 5% to 20% for anything going through the 3550 or even pings from the 3550 to other switches or the uplink.
Here's the statistics/settings of the interface after 1 minute of activity:
Code:
interface FastEthernet0/1
description 228
switchport access vlan 58
switchport mode dynamic desirable
speed 100
duplex full
spanning-tree portfast
FastEthernet0/1 is up, line protocol is up (connected)
Hardware is Fast Ethernet, address is 0014.f2e6.df01 (bia 0014.f2e6.df01)
Description: 228
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 6/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, media type is 10/100BaseTX
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:00:00, output hang never
Last clearing of "show interface" counters 00:01:01
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 2536000 bits/sec, 924 packets/sec
5 minute output rate 341000 bits/sec, 469 packets/sec
60922 packets input, 21630544 bytes, 0 no buffer
Received 0 broadcasts (0 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 2 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
31585 packets output, 2859788 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out
Transmit FastEthernet0/1 Receive
3583183 Bytes 27018085 Bytes
39516 Unicast frames 76403 Unicast frames
46 Multicast frames 0 Multicast frames
0 Broadcast frames 0 Broadcast frames
0 Discarded frames 0 No dest, unicast
0 Too old frames 0 No dest, multicast
0 Deferred frames 0 No dest, broadcast
0 1 collision frames
0 2 collision frames 0 FCS errors
0 3 collision frames 0 Oversize frames
0 4 collision frames 0 Undersize frames
0 5 collision frames 0 Collision fragments
0 6 collision frames
0 7 collision frames 4355 Minimum size frames
0 8 collision frames 56237 65 to 127 byte frames
0 9 collision frames 1205 128 to 255 byte frames
0 10 collision frames 14 256 to 511 byte frames
0 11 collision frames 67 512 to 1023 byte frames
0 12 collision frames 14528 1024 to 1518 byte frames
0 13 collision frames
0 14 collision frames 0 Flooded frames
0 15 collision frames 3 Overrun frames
0 Excessive collisions 0 VLAN filtered frames
0 Late collisions 0 Source routed frames
0 Good (1 coll) frames 0 Valid oversize frames
0 Good(>1 coll) frames 0 Pause frames
0 Pause frames 0 Symbol error frames
0 VLAN discard frames 0 Invalid frames, too large
0 Excess defer frames 0 Valid frames, too large
0 Too large frames 0 Invalid frames, too small
3672 64 byte frames 0 Valid frames, too small
34066 127 byte frames
2152 255 byte frames
110 511 byte frames
38 1023 byte frames
28 1518 byte frames
CPU utilization for five seconds: 13%/3%; one minute: 12%; five minutes: 9%
77 1317620 3220725 409 9.27% 8.35% 6.20% 0 IP Input
How does 1400 packets/second (4mbits) cause my 3550 to drop packets?
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Jul 6, 2008
a tool that can measure how much packet loss we are having on a given server by looking at the packets being sent from it. I.e, something than looks at all TCP/80 connections and measures how many packets and bytes are being retransmitted vs actual packets and bytes sent.
This documents explains it:
[url]
We need this to measure network performance of different hosts where we have dedicated servers. This would be a good way of measuring performance with the actual data of our users.
Does anyone know of such tool? I.e, something that can say
2532 packets/second - 132 retransmits/second (4.8%)
25.43Mbps/sec total traffic - 24.84 Mbps/sec actual data sent - 0.59Mbps retransmits
Even better if it can then break it out on IP prefixes. like
192.0/16: 0.2% retransmits
192.1/16: 3.2% retransmits
192.2.16: 0.3% retransmits
192.3/16: 22.5% retransmits
192.4/16: 0.3% retransmits
This would be a good indicator of connectivity between the host where the tests are ran and other specific hosts.
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Aug 1, 2009
I am facing high ping and packet loss issues with a server hosted at hetzner.de (CentOS + WHM)
For some unknown reason pings go high and stay like this (average 1500ms) until I reboot the server.
Here is a screenshot of tracert from server to me: [url]
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Mar 8, 2008
I recently switched over to SoftLayer for dedicated hosting and the servers are great. However we've been getting hit on and off with massive (50-80%) packet loss, which has been crippling our performance and causing all sorts of problems
I put in a support ticket and they linked me to the Internet Health Report website and said it was due to one of their bandwidth providers (I think Global CrossinG) and not on their internal network and to be patient as it could take time to resolve
Are any other SoftLayer customers going through this? Is this an unusual occurrence? I feel like if it was really one of their partners that it would be affecting a lot of their customers and it would be a high priority issue right?
I'm kind of stuck on what to do; I just invested a lot of energy into moving content onto these new servers and am concerned about whether to wait it out or whether to start finding a new company. This kind of packet loss is really unacceptable...
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Jun 10, 2008
root@server [~]# tail -f /var/log/messages
Jun 10 14:14:49 server kernel: printk: 56 messages suppressed.
Jun 10 14:14:49 server kernel: ip_conntrack: table full, dropping packet.
Jun 10 14:14:54 server kernel: printk: 59 messages suppressed.
Jun 10 14:14:54 server kernel: ip_conntrack: table full, dropping packet.
Jun 10 14:14:59 server kernel: printk: 85 messages suppressed.
Jun 10 14:14:59 server kernel: ip_conntrack: table full, dropping packet.
Jun 10 14:15:04 server kernel: printk: 90 messages suppressed.
Jun 10 14:15:04 server kernel: ip_conntrack: table full, dropping packet.
Jun 10 14:15:09 server kernel: printk: 58 messages suppressed.
Jun 10 14:15:09 server kernel: ip_conntrack: table full, dropping packet.
Jun 10 14:15:14 server kernel: printk: 70 messages suppressed.
Jun 10 14:15:14 server kernel: ip_conntrack: table full, dropping packet.
Jun 10 14:15:19 server kernel: printk: 193 messages suppressed.
Jun 10 14:15:19 server kernel: ip_conntrack: table full, dropping packet.
Anyone know what this is about?
Using Centos / Cpanel
Linux server.domain.com 2.6.9-67.0.15.ELsmp #1 SMP Thu May 8 10:52:19 EDT 2008 i686 i686 i386 GNU/Linux
root@server [~]# sysctl net.ipv4.netfilter.ip_conntrack_max
net.ipv4.netfilter.ip_conntrack_max = 65536
I ran this in the meantime.
sysctl -w net.ipv4.netfilter.ip_conntrack_max=72000
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Mar 18, 2008
Last year my web host stated that my site was over utilizing allowed resources for my plan. Specifically, they state that I was overusing the CPU. At the time, I had to upgrade my plan in order to stay online. I would like to move to a new host, but the prospective hosts are all suggesting a dedicated server because of my CPU usage. I don't want to pay that kind of money, so I would really like to curb the CPU problem. Does anyone know how to reduce the CPU of a Wordpress blog? I tried posting this question over at Wordpress.org, but I haven't received a single reply.
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Mar 18, 2008
My server details
Intel 2.4 Ghz P4 Celeron
os-redhat
RAM-2GB DDR
harddisk-160+50Gb
bandwith-3000Gb
now iam haveing more that 0.50-1.20 cpu useage,also cpu useage is also increased i hosted only 6 site out what only one site use MSQL all other site are plain download site,how to reduce the cpu load can u figure me out this issue also give me some tips to reduce the cpu usage
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Jul 3, 2008
13438 nobody 15 0 42276 22m 13m R 22 2.2 1:51.94 httpd
10620 nobody 16 0 41928 16m 8468 S 19 1.7 0:28.54 httpd
11397 nobody 15 0 41524 12m 4784 S 18 1.3 0:06.04 httpd
10745 nobody 15 0 42376 14m 5316 S 17 1.4 0:06.62 httpd
The values in bold are the CPU percentage taken up by each apache process.
So i had to need to each apache process,who can i reduce it?what config i have to change to reduce it?
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Jul 6, 2008
we have a dual xeon 2.8G +2G ram CPANEL server normally load is well under2 and stable
we also use Incremental Backup and choose Per Account Only for MySQL backup
This server mainly hosts a big site, whose SQL is 1.2G big
Everytime server is running backup, load burst to 7 and accessing to website hanged. We are thinking to change SQL backup method to Entire MySQL Directory , but was told while it is processing SQL server will be stopped ?? wil Entire MySQL Directory reduce server load while processing SQL backup?
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Jul 7, 2007
apparently the sysctl commands / config does not work for VPS's. any way to reduce the time_wait period? got nearly 900 connections in that state!
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Jan 24, 2007
I know there is no device can protect you from ddos attacks, but I wonder which one is the best to help you reduce the attacks? It might be intelligent to "feel" the attacks? Brand names from Cisco, Foundry, Nokia...?
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May 3, 2009
What is the best way to handle prevent data loss in the event a hard drive goes bad in a server. We have never had one go yet but I can only imagine what a server load of domains suddenly losing their databases or sites. (giving that they didn't back their stuff up).
I know one was is a RAID setup. I just wanted to hear more.
What about if you need to move everyone from one server to another due to major upgrades? Like adding more hdd space.
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Apr 26, 2008
i have two servers with whm/cpanel and centos,
i host my domain.com on server-A and create a account with subdomain sub.domain.com on server-A,
some days later,
i move the account website to server-B,
a> i change the domain of sub.domain.com to sub2.domain.com on server-A from whm,
b> and i edit the dns from whm and add a a address record to point to the server-B.
i think my setting is right and the link will run well,
but i am not sure why sometimes people can not link the sub.domain.com,
and they check do the check "ping sub.domain.com",
and they will get the ip of original server-A,
because it assail me for months and i'm not sure how to fix it completely.
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Mar 3, 2009
How to reduce downtime - multiple name servers ?
Say I have two different hosting accounts at two different web hosts. One at host1.com and another at host2.com. In both the hosts I keep the same files. I use an external registrar and use the name servers for one of my domains as follows:
ns1.host1.com
ns1.host2.com
ns2.host1.com
ns2.host2.com
What would happen in that case, if say host1 is down sometime? Will the name servers point to host2.com?
If this could work, then the probability of downtime of a site would become almost 0 .
Google will like this ?
Another question is how to easily sincronize both cpanel accounts?
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Apr 18, 2009
Few months ago I bought new small VPS box (OpenVZ, 128 MB RAM) in order to place there a new monitoring node of my site monitoring system. Such small amount of RAM is a challenge for operating system optimisation techniques (OpenVZ doesn’t have “swap” as Xen does).
First of all I discovered that apache2-mpm-worker (Apache implementation that uses threads) consumes more memory (100MB) than the classic version that use separate processes (20MB). I had to switch to apache2-mpm-prefork version then.
Next unpleasant suprise: small Python app eats 100MB of virtual memory! I checked that virtual (not resident) memory is taken into account by VPS. I applied some tools to locate memory bottleneck, but without success. Next I added logs with current memory usage to track call that causes big memory consumption. I tracked the following line:
server = WSGIServer(app)
is guilty for high memory increase. After few minutes of googling I located problem: default stack size for a thread. Details:This line creates few threads to handle concurrent calls
Stack size is counted towards virtual memory
Default stack size is very high on Linux (8MB)
Every thread uses separate stack
=> multi threaded application will use at least number_of_threads * 8MB virtual memory!
First solution: use limits.conf file. I altered /etc/security/limits.conf file and changed default stack size. But I couldn’t make this change to alter Python scripts called from Apache (any suggestions why?).
Second (working) solution: lower default stack size using ulimit. For processes launched from Apache I altered /etc/init.d/apache2 script and added:
ulimit -s 256
Now every thread (in apache / Python application) will use only 128 kB of virtual memory (I lowered VSZ from 70 MB to 17 MB this way). Now I have additional space to enlarge MySQL buffers to make DB operations faster.
There’s even better place to inject ulimit system-wide: you can insert this call in:
/etc/init.d/rc
script. Then ulimit will be applied to all daemons (as Apache) and all login sessions. I reduced virtual memory usage by 50% this way.
Note: you may increase stack size on stack overflow errors. In my opinion 256 kb is safe option for most systems, you may increase if in doubt. Still memory savings are big.
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May 8, 2009
I have been faced with a packet flooding issue.
Quick scenario, I run a few public game servers, and we have had a member go insane.
This member has been using a piece of software, to do a simple DDoS attack, and when they perform this attack, it laggs everybody out, and takes down the individual game server.
While this is occurring, I have been watching with a network analyzer program, and noticed the packets go sky high (from 4.4k to 150k+).
So, I am in need of a quick, piece of software that can block flood attacks, or whatever is going on.
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Feb 22, 2008
my server sql keeps loss db connection during 'cpbackup' in progresss.
below are my.cnf settings. can someone suggest me how to tweak to optimize?
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
skip-locking
skip-innodb
query_cache_limit=1M
query_cache_size=128M
query_cache_type=1
max_user_connections=200
max_connections=500
interactive_timeout=10
wait_timeout=20
connect_timeout=20
thread_cache_size=128
key_buffer=512M
join_buffer=1M
max_allowed_packet=16M
table_cache=1024
record_buffer=1M
sort_buffer_size=4M
read_buffer_size=4M
max_connect_errors=10
thread_concurrency=8
myisam_sort_buffer_size=64M
server-id=1
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Apr 24, 2007
We just had an issue with our colo provider. The thing is, from the day we ordered our colo with them we ordered, signed, and paid for a GigE (1000Mbps) port. We have been using and paying for a GigE pipe and 300Mbps worth of bandwidth for the past 11 months.
Just this month we find out that our colo provider actually only drop us a 100Mbit connection and not the GigE which we paid for and signed for on the contract.
I asked our sales rep there, he replied to us saying that we should have "asked" for a GigE drop, since many of their customers are buying GigE while their switches does not support GigE, so they said, they ussually drop 100Mbit anyway.
That does not seem right, right? Our switches from the first day has been GigE enabled even with 4 fiber optic port on each managed switch on every rack we have.
We have suffered loss and damages, as soon as they switched our port to GigE last week, our bandwidth usage immediately shows we are using 125Mbps with some spike of 800Mbps for a fracture of a moment.
All these times, we experience slowness, we always thought that it was our equipment or something, but it turns out that it's the pipe drop which is causing the problem.
Now, I have a dilema. If say we demand a compensation and become hostile asking for loss and damages compensation, which literally cost us hundreds of thousands of dollars of loss in these past 11 months, I am affraid that our colo provider will be giving us a hard time. We have hundreds of servers there. We don't plan to move, since it will be a lot of trouble.
The thing is they said that it was our fault, that we did not checked that the drop was not 1Gbps. We always have the impression that it was 1Gbps, but we did not checked it though. But still we bought 1Gbps and we paid for it and the contract also says so.
What do you think I should do? Should I "demand" the compensation? Or just leave it be, so we won't get a hard time for our growth in this provider. We will be moving to our own facility, but not anytime soon, probably in 2009, but again it depends on our cash flow, etc.
Anyway, who's fault is this? Is this our fault that we did not check what we bought? Or is it the provider fault, who dropped 100Mbit pipe while we buy and asked for GigE?
I would not want to come to a point wher there will be a legal complaint filed though. Would like to settle this for a good resolution. What steps would you suggest we take?
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Apr 20, 2009
its 2am night here, and my sites are down....now there is no way i have too much traffic at midnight, also all my websites are new !
this is happening consistently since today morning and im getting no support apart from jargon filled replies from customer care
how do i tweak apache settings and what settings do i make to avoid this ?
im wondering what will happen after few months when my websites actually have good traffic coming in ?
We have checked your server. Please see the load average and process list given below:
The value 4.42 was the CPU load average at the time. A normal load should be below 1.00. I could see that Apache service is causing high load in your server.
So you can tweak Apache in order to reduce the CPU load. Please check and let us know if you need any further assistance.
++++++++++++++++++
[root@chi07 ~]# vzctl exec 18403 w
03:16:20 up 2 min, 0 users, load average: 4.42, 1.42, 0.50
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
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Feb 24, 2008
1) Use PHP as isapi module
2) Open Internet Information Services (IIS) Manager > Right Click On "Web Sites" select properties > Click Service Tab > Open HTTP Compression > Select Compress Application Files and Compress Static Files
3) Use eAccelerator (PHP accelerator, optimizer, and dynamic content cache) with This options;
eaccelerator.shm_size="64"
eaccelerator.cache_dir="c: mpmmcache"
eaccelerator.enable="1"
eaccelerator.optimizer="1"
eaccelerator.check_mtime="1"
eaccelerator.debug="0"
eaccelerator.filter=""
eaccelerator.shm_max="0"
eaccelerator.shm_ttl="0"
eaccelerator.shm_prune_period="0"
eaccelerator.shm_only="0"
eaccelerator.compress="1"
eaccelerator.compress_level="9"
eaccelerator.keys = "shm"
eaccelerator.sessions = "shm"
eaccelerator.content = "shm"
4) Don't load this extensions,
extension=php_mbstring.dll
extension=php_domxml.dll
extension=php_xslt.dll
Only use this Extensions in php.ini
extension=php_sqlite.dll
extension=php_curl.dll
extension=php_gd2.dll
extension=php_gettext.dll
extension=php_iconv.dll
extension=php_imap.dll
extension=php_mssql.dll
extension=php_sockets.dll
extension="eaccelerator.dll"
upload_tmp_dir= "C:WINDOWSTemp"
This Settings tested on Windows Server 2003 SP2 IIS6 with PHP v4.4.7
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Jun 17, 2009
We have a license application client(IBM/LUM) that connects to a license server outside our network.
The clients works this way... it binds a random port and tries to connect to the remote IP with UDP port 1515.
Through wireshark I could see that it reaches the destionation, although the way back is unreachable.
If I add this random port to our router Port Forward rule, it works perfectly. Although this is not a solution cause the port is changing every time.
Isnt this strange? Other applications open random ports as well and comunication is two-way reachable.
If I connect directly to the internet, it works perfectly as well.
What can I try to do with our ZyWall USG300 Router to fix this situation?
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Mar 2, 2008
I restored a database and got this error:
ERROR 1153 (08S01) at line 2663: Got a packet bigger than
'max_allowed_packet' bytes
why I got this error and how to fix this? vbulletin staff told me that I have to increase the 'max_allowed_packet' in my.cnf, then restart MySQL. Where can I find this file? I use Directadmin control panel for my dedicate server.
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