<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div><span></span></div><div><br></div> <div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div dir="ltr"> ----- Forwarded Message -----<br> <font face="Arial" size="2"> <b><span style="font-weight:bold;">From:</span></b> MarianG <mariang_iasi@yahoo.com><br> <b><span style="font-weight: bold;">To:</span></b> "nightly-testers@mozilla.org" <nightly-testers@mozilla.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Monday, August 5, 2013 10:01 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> [Not Responding] and high cpu usage caused by deleting History<br> </font> </div> <div class="y_msg_container"><br><div id="yiv9658428107"><div><div style="color:#000;background-color:#fff;font-family:arial,
helvetica, sans-serif;font-size:12pt;"><div id="yiv9658428107"><div><div style="color:#000;background-color:#fff;font-family:arial, helvetica, sans-serif;font-size:12pt;"><div id="yiv9658428107yui_3_7_2_38_1375683757917_39">Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:25.0) Gecko/20100101 Firefox/25.0 ID:20130804030207 CSet: 0a63cd911b4f</div><div id="yiv9658428107yui_3_7_2_38_1375683757917_90"><br id="yiv9658428107yui_3_7_2_38_1375683757917_181"></div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:arial, helvetica, sans-serif;background-color:transparent;font-style:normal;" id="yiv9658428107yui_3_7_2_38_1375683757917_178">I i tried to delete history month by month.<br></div><div id="yiv9658428107yui_3_7_2_38_1375683757917_226" style="color:rgb(0, 0, 0);font-size:16px;font-family:arial, helvetica, sans-serif;background-color:transparent;font-style:normal;">I observed
that my browser stopped responding.</div><div id="yiv9658428107yui_3_7_2_38_1375683757917_250" style="color:rgb(0, 0, 0);font-size:16px;font-family:arial, helvetica, sans-serif;background-color:transparent;font-style:normal;">So I tried to capture CPU status ( see image) - i have an i7 quad core (8 logic) at 3.5 GHz and 16 GB of RAM on Windows 8 x64.<br></div><div id="yiv9658428107yui_3_7_2_38_1375683757917_323" style="color:rgb(0, 0, 0);font-size:16px;font-family:arial, helvetica, sans-serif;background-color:transparent;font-style:normal;">25% - when it begin deleting, after several second it goes to "not responding" and hits 90%.<br></div><div id="yiv9658428107yui_3_7_2_38_1375683757917_68"><br id="yiv9658428107yui_3_7_2_38_1375683757917_73"></div></div></div></div></div></div></div><br><br></div> </div> </div> </div></body></html>