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    <div class="moz-cite-prefix">在 2014年12月18日 17:33, Chen CH Ji 写道:<br>
    </div>
    <blockquote
cite="mid:OFE06AB214.E57F2ED0-ON48257DB2.00346016-48257DB2.00347629@cn.ibm.com"
      type="cite">
      <p><font face="sans-serif" size="2">AFAIK, quota will expire in 24
          hours </font><br>
        <br>
        <font face="sans-serif" size="2">cfg.IntOpt('reservation_expire',</font><br>
        <font face="sans-serif" size="2">               default=86400,</font><br>
        <font face="sans-serif" size="2">               help='Number of
          seconds until a reservation expires'),</font><br>
        <br>
        <font face="sans-serif" size="2">Best Regards! <br>
        </font></p>
    </blockquote>
    <font size="2">hi Kevin, <br>
      but that is not reliable,  user/op can change the default value.<br>
      shall we just leave as the quota reservation there can do not
      commit/rollback ?<br>
      I don't think there will be much more we can do.<br>
    </font>
    <blockquote
cite="mid:OFE06AB214.E57F2ED0-ON48257DB2.00346016-48257DB2.00347629@cn.ibm.com"
      type="cite">
      <p><font face="sans-serif" size="2">
          <br>
          Kevin (Chen) Ji 纪 晨<br>
          <br>
          Engineer, zVM Development, CSTL<br>
          Notes: Chen CH Ji/China/IBM@IBMCN   Internet:
          <a class="moz-txt-link-abbreviated" href="mailto:jichenjc@cn.ibm.com">jichenjc@cn.ibm.com</a><br>
          Phone: +86-10-82454158<br>
          Address: 3/F Ring Building, ZhongGuanCun Software Park,
          Haidian District, Beijing 100193, PRC </font><br>
        <br>
        <img src="cid:part1.03090404.06040908@linux.vnet.ibm.com"
          alt="Inactive hide details for "Eli Qiao(Li Yong
          Qiao)" ---12/18/2014 04:34:32 PM---hi all, can anyone
          tell if we call quotas.reserv" border="0" height="16"
          width="16"><font color="#424282" face="sans-serif" size="2">"Eli
          Qiao(Li Yong Qiao)" ---12/18/2014 04:34:32 PM---hi all, can
          anyone tell if we call quotas.reserve() but never call</font><br>
        <br>
        <font color="#5F5F5F" face="sans-serif" size="1">From: </font><font
          face="sans-serif" size="1">"Eli Qiao(Li Yong Qiao)"
          <a class="moz-txt-link-rfc2396E" href="mailto:taget@linux.vnet.ibm.com"><taget@linux.vnet.ibm.com></a></font><br>
        <font color="#5F5F5F" face="sans-serif" size="1">To: </font><font
          face="sans-serif" size="1">"OpenStack Development Mailing List
          (not for usage questions)"
          <a class="moz-txt-link-rfc2396E" href="mailto:openstack-dev@lists.openstack.org"><openstack-dev@lists.openstack.org></a></font><br>
        <font color="#5F5F5F" face="sans-serif" size="1">Date: </font><font
          face="sans-serif" size="1">12/18/2014 04:34 PM</font><br>
        <font color="#5F5F5F" face="sans-serif" size="1">Subject: </font><font
          face="sans-serif" size="1">[openstack-dev] [nova][resend with
          correct subject prefix] ask for usage of quota reserve</font><br>
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        size="2" width="100%"><br>
      <br>
      <br>
      <font face="sans-serif" size="3">hi all,<br>
        can anyone tell if we call quotas.reserve() but never call
        quotas.commit() or quotas.rollback().<br>
        what will happen?<br>
        <br>
        for example:<br>
      </font>
      <ul style="padding-left: 18pt">
        <font face="sans-serif" size="2">1. </font><font
          face="sans-serif" size="3">when doing resize, we call
          quotas.reserve() to reservea a delta quota.(new_flavor -
          old_flavor)</font><br>
        <font face="sans-serif" size="2">2. </font><font
          face="sans-serif" size="3">for some reasons, nova-compute
          crashed, and not chance to call quotas.commit() or
          quotas.rollback() </font><font face="sans-serif" size="3"><i>(called
            by finish_resize in nova/compute/manager.py)</i></font><br>
        <font face="sans-serif" size="2">3. </font><font
          face="sans-serif" size="3">next time restart nova-compute
          server, is the delta quota still reserved , or do we need any
          other operation on quotas?</font>
      </ul>
      <br>
      <font face="sans-serif" size="3">Thanks in advance<br>
        -Eli.</font>
      <p><font face="sans-serif" size="3">ps: this is related to patch :
          Handle RESIZE_PREP status when nova compute do init_instance(</font><a
          moz-do-not-send="true"
          href="https://review.openstack.org/#/c/132827/"><font
            color="#0000FF" face="sans-serif" size="3"><u>https://review.openstack.org/#/c/132827/)</u></font></a>
      </p>
      <p><tt><font size="3">-- <br>
            Thanks Eli Qiao(</font></tt><a moz-do-not-send="true"
          href="mailto:qiaoly@cn.ibm.com"><tt><font color="#0000FF"
              size="3"><u>qiaoly@cn.ibm.com</u></font></tt></a><tt><font
            size="3">)</font></tt><tt><font size="2">_______________________________________________<br>
            OpenStack-dev mailing list<br>
            <a class="moz-txt-link-abbreviated" href="mailto:OpenStack-dev@lists.openstack.org">OpenStack-dev@lists.openstack.org</a><br>
          </font></tt><tt><font size="2"><a moz-do-not-send="true"
              href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev</a></font></tt><tt><font
            size="2"><br>
          </font></tt>
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      <pre wrap="">_______________________________________________
OpenStack-dev mailing list
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<a class="moz-txt-link-freetext" href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev</a>
</pre>
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    <br>
    <pre class="moz-signature" cols="72">-- 
Thanks,
Eli (Li Yong) Qiao</pre>
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