[prev in list] [next in list] [prev in thread] [next in thread]
List: apache-httpd-dev
Subject: Re: [apache]maxconnectionsperchild problem
From: Frank Gingras <thumbs () apache ! org>
Date: 2022-04-14 16:05:08
Message-ID: CAOY50mtqWOJL0vOmN3i5N7+hmCZKmQVPESYG6ooA17KYBOSmNg () mail ! gmail ! com
[Download RAW message or body]
[Attachment #2 (text/plain)]
You should direct your questions to users@httpd.apache.org instead.
In the meantime, what mpm are you using?
On Thu, 14 Apr 2022 at 07:42, 刘孟 <liumeng@telemap.com.cn> wrote:
> I am sorry that is there anybody can answer my question?
>
>
>
> Hello, Mr Mentor
>
>
>
> I tried to translat it to English, please forgive my poor English
>
>
>
> Recently, when using the forwarding function of Apache, the
>
> The [maxconnectionsperchild] parameter in the MPM is ambiguous within the
> company.
>
>
>
> During the peak hours of the company's internal servers, the number of sub
> processes(hpptd) of
>
> each server is about 1000,[Maxconnectionsperchild] is currently set to 0.
> In order to be able to
>
> resolve the access target regularlyIn DNS, we plan to adjust the value of
> [maxconnectionsperchild]
>
> to make each child process in half a day that It can be restarted once.
>
>
>
> My question is After setting this parameter, if it is possible that 1000
> processes are arrive at the same time
>
> resulting in service interruption?
>
>
>
> Current server setting of [maxsparechlid = 20] and [minspareechlid = 10]
>
> If [maxconnectionsperchild] is set, should the settings of these two
> values be adjusted synchronously
>
> (the purpose is not to restart all child processes at the same time during
> peak service)
>
>
>
> If there is insufficient information, please let me konw.
>
> There is my phone below, you can communicate by phone.
>
> But I'm sorry that I just can speak Chinese or Japanese
>
>
>
> Best regares
>
> Have a nice work
>
>
>
>
> -------------------------------------------------------------------------------------------
>
> 刘孟 Liu Meng
>
> Project Development Dept.
>
> Tel : 010 82306399-7526 /Phone : 18500386112
>
>
>
> 北京図迅豊達信息技術有限公司 \
> 北京市海淀区北清路永豊路交差点東南 四維図新ビルA－8F
> Address : 8Floor,A Block,NavInfo Building, Southeast Crossing of BeiQing
> Rd. and YongFeng Rd., HaiDian District, Beijing（100094）
>
>
> -------------------------------------------------------------------------------------------
>
>
>
> *发件人:* 刘孟 <liumeng@telemap.com.cn>
> *发送时间:* 2022年4月12日 17:20
> *收件人:* dev@httpd.apache.org
> *主题:* [apache]maxconnectionsperchild problem
>
>
>
> 工程师，您好
>
>
>
> 请允许我冒昧的用中文进行提问。
>
>
>
> 最近在使用 apache 的转发功能时，对于 prefork模式下的
>
> MaxConnectionsPerChild 参数，公司内部产生了歧义。
>
>
>
> 公司内部服务器高峰时，每台服务器的子进程数量在1000左右，
>
> 目前 MaxConnectionsPerChild 设置的是0。 为了能够定时解析访问目 \
> 的
> NDS，我们计划通过调整 \
> MaxConnectionsPerChild的值使得每个子进程在半天
> 左右可以重启一次。
>
>
>
> 请问一下，这个参数设置以后，会不会出现 \
> 1000个进程刚好同一时间到达设置
> 的访问次数而同时终止， 成服务中断的现象出现。
>
>
>
> 目前服务器 maxsparechlid =20 minsparechlid = 10
>
> 如果设置了MaxConnectionsPerChild，是否应该同步调整这两个值的设置
>
> （目的是服务高峰时不要出现所有子进程同时重启的现象）
>
>
>
> 如有信息不足还请回信。
>
> 下方有我的电话，可以电话沟通。
>
> 可以用中文以及日语
>
> 日本語の対応はできます。
>
>
>
> 百忙之中打扰了。
>
> 祝 工作愉快
>
>
>
>
>
>
> -------------------------------------------------------------------------------------------
>
> 刘孟 Liu Meng
>
> Project Development Dept.
>
> Tel : 010 82306399-7526 /Phone : 18500386112
>
>
>
> 北京図迅豊達信息技術有限公司 \
> 北京市海淀区北清路永豊路交差点東南 四維図新ビルA－8F
> Address : 8Floor,A Block,NavInfo Building, Southeast Crossing of BeiQing
> Rd. and YongFeng Rd., HaiDian District, Beijing（100094）
>
>
> -------------------------------------------------------------------------------------------
>
>
>
[Attachment #3 (text/html)]
<div dir="ltr">You should direct your questions to <a \
href="mailto:users@httpd.apache.org">users@httpd.apache.org</a> \
instead.<div><br></div><div>In the meantime, what mpm are you \
using?</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On \
Thu, 14 Apr 2022 at 07:42, 刘孟 <<a \
href="mailto:liumeng@telemap.com.cn">liumeng@telemap.com.cn</a>> \
wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px \
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="ZH-CN">
<div class="gmail-m_-2772271791710496861WordSection1">
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" \
style="color:rgb(31,73,125)">I</span><span lang="EN-US" style="color:rgb(31,73,125)"> \
am sorry that is there anybody can answer my question?</span><span \
lang="EN-US"><u></u><u></u></span></p> <p class="MsoNormal" align="left" \
style="text-align:left"><span lang="EN-US" style="color:rgb(31,73,125)"><u></u> \
<u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">Hello, Mr Mentor<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)"><u></u> \
<u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">I tried to translat it to English, please forgive my \
poor English<u></u><u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)"><u></u> <u></u></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="color:rgb(31,73,125)">Recently, when using the forwarding \
function of Apache, the<u></u><u></u></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="color:rgb(31,73,125)">The [maxconnectionsperchild] parameter in \
the MPM is ambiguous within the company.<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)"><u></u> \
<u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">During the peak hours of the company's internal \
servers, the number of sub processes(hpptd) of <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">each server is \
about 1000,[Maxconnectionsperchild] is currently set to 0. In order to be able to \
<u></u><u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">resolve the access target regularlyIn DNS, we plan to \
adjust the value of [maxconnectionsperchild]<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">to make each child \
process in half a day that It can be restarted once.<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)"><u></u> \
<u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">My question is After setting this parameter, if it is \
possible that 1000 processes are arrive at the same time<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">resulting in \
service interruption?<u></u><u></u></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="color:rgb(31,73,125)"><u></u> <u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">Current server \
setting of [maxsparechlid = 20] and [minspareechlid = 10]<u></u><u></u></span></p> \
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">If \
[maxconnectionsperchild] is set, should the settings of these two values be adjusted \
synchronously<u></u><u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">(the purpose is not to restart all child processes at \
the same time during peak service)<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)"><u></u> \
<u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">If there is insufficient information, please let me \
konw.<u></u><u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">There is my phone below, you can communicate by \
phone.<u></u><u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">But I</span><span style="color:rgb(31,73,125)">'<span \
lang="EN-US">m sorry that I just can speak Chinese or \
Japanese<u></u><u></u></span></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)"><u></u> <u></u></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="color:rgb(31,73,125)">Best regares<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">Have a nice \
work<u></u><u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)"><u></u> <u></u></span></p> <div>
<p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">-------------------------------------------------------------------------------------------<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125)">刘孟 </span><span \
lang="EN-US" style="color:rgb(31,73,125)">Liu Meng<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">Project Development \
Dept.<u></u><u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)">Tel : 010 82306399-7526 /Phone : \
18500386112<u></u><u></u></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="color:rgb(31,73,125)"><u></u> <u></u></span></p> <p class="MsoNormal"><span \
lang="JA" style="font-family:"Yu \
Gothic",sans-serif;color:rgb(31,73,125)">北京図迅豊達信息技術有限公司</span><span \
lang="JA" style="color:rgb(31,73,125)"> </span><span lang="JA" \
style="font-family:"Yu \
Gothic",sans-serif;color:rgb(31,73,125)"> 北京市海淀区北清路永豊路交差点東南 四維図新ビル</span><span \
lang="EN-US" style="color:rgb(31,73,125)">A</span><span lang="JA" \
style="font-family:"Yu \
Gothic",sans-serif;color:rgb(31,73,125)">－</span><span lang="EN-US" \
style="color:rgb(31,73,125)">8F<u></u><u></u></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="color:rgb(31,73,125)">Address : 8Floor,A Block,NavInfo Building, \
Southeast Crossing of BeiQing Rd. and YongFeng Rd., HaiDian District, \
Beijing</span><span lang="JA" style="font-family:"Yu \
Gothic",sans-serif;color:rgb(31,73,125)">（</span><span lang="EN-US" \
style="color:rgb(31,73,125)">100094</span><span lang="JA" style="font-family:"Yu \
Gothic",sans-serif;color:rgb(31,73,125)">）</span><span lang="JA" \
style="color:rgb(31,73,125)"> </span><span lang="EN-US" \
style="color:rgb(31,73,125)"><u></u><u></u></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="color:rgb(31,73,125)">-------------------------------------------------------------------------------------------<u></u><u></u></span></p>
</div>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)"><u></u> \
<u></u></span></p> <div>
<div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt \
solid rgb(225,225,225);padding:3pt 0cm 0cm"> <p class="MsoNormal" align="left" \
style="text-align:left"><b><span style="font-size:11pt">发件人<span \
lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:11pt"> \
</span><span style="font-size:11pt">刘孟<span lang="EN-US"> <<a \
href="mailto:liumeng@telemap.com.cn" target="_blank">liumeng@telemap.com.cn</a>> \
<br> </span><b>发送时间<span lang="EN-US">:</span></b><span lang="EN-US"> \
2022</span>年<span lang="EN-US">4</span>月<span lang="EN-US">12</span>日<span \
lang="EN-US"> 17:20<br> </span><b>收件人<span lang="EN-US">:</span></b><span \
lang="EN-US"> <a href="mailto:dev@httpd.apache.org" target="_blank"> \
dev@httpd.apache.org</a><br> </span><b>主题<span lang="EN-US">:</span></b><span \
lang="EN-US"> [apache]maxconnectionsperchild problem<u></u><u></u></span></span></p> \
</div> </div>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US"><u></u> \
<u></u></span></p> <p class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">工程师，您好</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span lang="EN-US"><u></u> \
<u></u></span></p> <p class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">请允许我冒昧的用中文进行提问。</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span lang="EN-US"><u></u> \
<u></u></span></p> <p class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">最近在使用</span><span lang="EN-US"> apache \
</span><span style="font-family:等线">的转发功能时，对于</span><span \
lang="EN-US"> prefork</span><span style="font-family:等线">模式下的</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span \
lang="EN-US">MaxConnectionsPerChild </span><span \
style="font-family:等线">参数，公司内部产生了歧义。</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span lang="EN-US"><u></u> \
<u></u></span></p> <p class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">公司内部服务器高峰时，每台服务器的子进程数量在</span><span \
lang="EN-US">1000</span><span style="font-family:等线">左右，</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">目前</span><span lang="EN-US"> MaxConnectionsPerChild \
</span><span style="font-family:等线">设置的是</span><span \
lang="EN-US">0</span><span style="font-family:等线">。</span> <span \
style="font-family:等线">为了能够定时解析访问目 的</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span lang="EN-US">NDS</span><span \
style="font-family:等线">，我们计划通过调整</span><span lang="EN-US"> \
MaxConnectionsPerChild</span><span \
style="font-family:等线">的值使得每个子进程在半天</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">左右可以重启一次。</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span lang="EN-US"><u></u> \
<u></u></span></p> <p class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">请问一下，这个参数设置以后，会不会出现</span><span \
lang="EN-US"> 1000</span><span \
style="font-family:等线">个进程刚好同一时间到达设置</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">的访问次数而同时终止， \
成服务中断的现象出现。</span><span lang="EN-US"><u></u><u></u></span></p> \
<p class="gmail-m_-2772271791710496861MsoPlainText"><span lang="EN-US"><u></u> \
<u></u></span></p> <p class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">目前服务器</span><span lang="EN-US"> maxsparechlid \
=20 minsparechlid = 10<u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">如果设置了</span><span \
lang="EN-US">MaxConnectionsPerChild</span><span \
style="font-family:等线">，是否应该同步调整这两个值的设置</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">（目的是服务高峰时不要出现所有子进程同时重启的现象）</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span lang="EN-US"><u></u> \
<u></u></span></p> <p class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">如有信息不足还请回信。</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">下方有我的电话，可以电话沟通。</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span lang="JA" \
style="font-family:等线">可以用中文以及日语</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span lang="JA" \
style="font-family:等线">日本語の対応はできます。</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span lang="EN-US"><u></u> \
<u></u></span></p> <p class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">百忙之中打扰了。</span><span \
lang="EN-US"><u></u><u></u></span></p> <p \
class="gmail-m_-2772271791710496861MsoPlainText"><span \
style="font-family:等线">祝</span> <span style="font-family:等线"> \
工作愉快</span><span lang="EN-US"><u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p> <p \
class="MsoNormal"><span \
lang="EN-US">-------------------------------------------------------------------------------------------<u></u><u></u></span></p>
<p class="MsoNormal">刘孟 <span lang="EN-US">Liu Meng<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Project Development \
Dept.<u></u><u></u></span></p> <p class="MsoNormal"><span lang="EN-US">Tel : 010 \
82306399-7526 /Phone : 18500386112<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p> <p \
class="MsoNormal"><span lang="JA" style="font-family:"Yu \
Gothic",sans-serif">北京図迅豊達信息技術有限公司</span><span \
lang="JA"> </span><span lang="JA" style="font-family:"Yu \
Gothic",sans-serif"> 北京市海淀区北清路永豊路交差点東南 四維図新ビル</span><span \
lang="EN-US">A</span><span lang="JA" style="font-family:"Yu \
Gothic",sans-serif">－</span><span lang="EN-US">8F<u></u><u></u></span></p> <p \
class="MsoNormal"><span lang="EN-US">Address : 8Floor,A Block,NavInfo Building, \
Southeast Crossing of BeiQing Rd. and YongFeng Rd., HaiDian District, \
Beijing</span><span lang="JA" style="font-family:"Yu \
Gothic",sans-serif">（</span><span lang="EN-US">100094</span><span lang="JA" \
style="font-family:"Yu Gothic",sans-serif">）</span><span lang="JA"> \
</span><span lang="EN-US"><u></u><u></u></span></p> <p class="MsoNormal"><span \
lang="EN-US">-------------------------------------------------------------------------------------------<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
</div>
</div>
</blockquote></div>
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic