2010 \u5e74 5 \u6708 20 \u65e5\u88dc\u5145<\/strong>
\u5728 Dovecot \u7684 wiki \u4e2d\u6709\u63d0\u5230\uff0cdotlock \u662f\u5f88\u5e38\u898b\u7684 mbox lock \u65b9\u5f0f\uff0c\u4f46\u662f lock \u53ef\u767c\u751f\u5728\u8b80\u53d6 \/ \u5beb\u5165\u5169\u7a2e\u4e8b\u60c5\u4e0a\u9762\uff0c\u800c\u8b80\u53d6\u4e0a dotlock \u65b9\u5f0f\u4e26\u4e0d\u592a\u5177\u6709\u6548\u80fd\uff0c\u6211\u731c\u60f3\u662f\u56e0\u70ba\u8b80\u53d6\u4e0d\u592a\u9700\u8981\u5b8c\u6574\u7684 lock, \u5beb\u5165\u624d\u9700\u8981\u5f88\u56b4\u8b39\u7684 lock \u7684\u7de3\u6545?
\u4e0d\u7ba1\u5982\u4f55\uff0c\u6211\u5011\u767c\u73fe\u5728 dovecot \u5b89\u88dd\u5b8c\u6210\u5f8c\uff0cdovecot \u5728 mbox_read_locks \u7684\u8a2d\u5b9a\u9810\u8a2d\u662f fcntl\uff0cmbox_write_locks \u7684\u8a2d\u5b9a\u9810\u8a2d\u5247\u4f7f\u7528\u4e86 dotlock fcntl\u3002\u63db\u53e5\u8a71\u8aaa dovecot \u60f3\u8981\u4f7f\u7528\u6548\u80fd\u76f8\u5c0d\u8f03\u5feb\u7684 fcntl \u4f86\u8b80 mbox\uff0c\u4f46\u53ef\u4ee5\u8b93\u5176\u4ed6 process (\u53ef\u80fd\u662f\u53e6\u4e00\u500b pop3\uff0c\u6216\u662f postfix) \u63a1\u7528 dotlock \u4f86\u5beb\u3002
\u800c postfix \u9810\u8a2d\u7684\u8a2d\u5b9a\u537b\u662f mailbox_delivery_lock = fcntl, dotlock\uff0c\u770b\u4f86 postfix \u4e5f\u60f3\u4f7f\u7528 fcntl \u4f86 lock \u5b83\u7684 mbox\uff0c\u4f46 dovecot \u7684 wiki \u660e\u767d\u6307\u51fa\uff0c\u5982\u679c lock \u65b9\u6cd5\u7684\u9806\u5e8f\u4e0d\u4e00\u6a23\uff0c\u53ef\u80fd\u6703\u9020\u6210 deadlock\u3002
\u6240\u4ee5\u6211\u5c31\u4ee5 postfix \u4e0d\u52d5\u70ba\u4e3b\uff0c\u628a dovecot \u7684 mbox_write_locks \u9810\u8a2d\u9806\u5e8f\u5c0d\u8abf\uff0c\u4f46\u5e7e\u500b\u6708\u89c0\u5bdf\u4e0b\u4f86\uff0c\u67d0\u500b user \u7684 mbox \u56e0\u70ba\u8d85\u904e 1GB\uff0c\u5e38\u6703\u767c\u751f pop3 \u610f\u5916\u7d42\u6b62\u7684\u60c5\u5f62\uff0c\u6211\u4e0d\u77e5\u9053\u9019\u662f\u600e\u9ebc\u56de\u4e8b\uff0c\u4e5f\u62c9\u9577\u4e86 Outlook \u5728\u6536\u4fe1\u6642\u7684\u903e\u6642\u8a2d\u5b9a\uff0c\u4f46\u662f\u5c31\u4e0d\u898b\u6539\u5584\u3002
\u56e0\u6b64\u6211\u56de\u904e\u982d\u4f86\u601d\u8003\uff0cdovecot \u8981\u8655\u7406\u8b80\u8207\u5beb mbox \u7684\u5de5\u4f5c\uff0cpostfix \u5247\u53ea\u8981\u8655\u7406\u5beb\u9019\u4ef6\u4e8b\uff0c\u6211\u662f\u4e0d\u662f\u61c9\u8a72\u4ee5 dovecot \u7684\u9810\u8a2d\u8a2d\u5b9a\u6bd4\u8f03\u597d\u5462\uff1f\u6240\u4ee5\u6211\u5c31\u628a dovecot \u7684\u8a2d\u5b9a\u8abf\u56de\u4f86\uff0c\u800c\u66f4\u6539\u4e86 postfix \u5beb mbox \u7684 lock \u65b9\u6cd5\u9806\u5e8f\uff0c\u63a5\u4e0b\u4f86\u5c31\u6301\u7e8c\u89c0\u5bdf\u662f\u5426\u6709\u6539\u5584\u4e86…<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528\/etc\/aliases\u7684\u7fa4\u7d44\u65b9\u5f0f\uff0c\u5728Postfix\u70baMBox\u7684\u6a21\u5f0f\u4e0b\uff0c\u56e0\u5916\u7ad9\u9060\u7aef\u9023\u5165\u6536\u4fe1\u6642\u9593\u5f88\u4e45\uff0c\u6545\u6703\u9047\u5230MBOX\u6a21\u5f0f\u4e0b LOCK \u6a94\u6848\u9020\u6210\u91cd\u8907\u6536\u4fe1\u7684\u554f\u984c\uff0c\u89e3\u6c7a\u9019\u500bLOCK\u7684\u6700\u6839\u672c\u65b9\u5f0f\u5c31\u662f\u628a Mbox \u6539\u70ba maildir \u7684\u683c\u5f0f\uff0c\u9019\u5169\u500b\u683c\u5f0f\u7684\u4ecb\u7d39:<\/p>\n
http:\/\/www.extmail.org\/forum\/viewthread.php?tid=10560&extra=page%3D1&frombbs=1<\/p>\n
\u4eca\u5929\u665a\u4e0a\u5728\u82b1\u6642\u9593\u8f49\u683c\u5f0f\u770b\u770b\u3002<\/p>\n
========================================================================<\/p>\n
\u6700\u8fd1\u6211\u53c8\u9047\u5230\u9019\u500b\u554f\u984c,\u5169\u9593\u516c\u53f8\u5408\u4f75\u4f46\u9084\u662f\u5404\u81ea\u7368\u7acb\u7db2\u6bb5,MAIL SERVER \u6574\u5408\u5f8c\u53e6\u4e00\u908a\u5916\u7ad9\u4eba\u592a\u591a,\u53c8\u7fd2\u6163\u7528 mail \u50b3\u6a94, 2M\u4e0a\u50b3\u6bcf\u5929\u90fd\u6eff\u8f09…..\u53c8\u56e0\u7fa4\u7d44\u95dc\u4fc2,\u6bcf\u5c01\u4fe1\u4e00\u5361\u5c31\u662f\u597d\u4e45,\u91cd\u8907\u6536\u4fe1\u72c0\u6cc1\u8d85\u56b4\u91cd,\u4fe1\u4ef6\u5ef6\u6301\u6536\u5230\u4e5f\u662f\u5f88\u8a87\u5f35,\u525b\u81ea\u5df1\u5beb\u4e86\u500bscript,\u7136\u5f8c\u6bcf10\u5206\u9418\u8dd1\u4e00\u6b21,\u540c\u7528\u5230\u555f\u7528\u4e2d\u65b7\u904e\u7a0b\u975e\u5e38\u5fae\u5c0f,\u537b\u53ef\u4ee5\u628amailq\u5167\u8001\u662f\u7a4d50\u5c01\u56e0LOCK\u554f\u984c\u7684\u4fe1\u7d66\u5bc4\u51fa\u53bb\u6e05\u4e7e\u6de8. <\/p>\n
\u5c0f\u63d2\u66f2\u2026\u5982\u679c\u6709\u500b\u5929\u5175\u5bc4\u4e865MB\u4ee5\u4e0a\u7684\u6a94\u6848,\u60f3\u60f3\u770b\u5916\u7ad9\u5982\u679c40\u500b\u4eba\u540c\u6642\u6536\u9019\u4fe1,2M\u4e0a\u50b3\u4e0d\u77e5\u9053\u8981\u50b3\u5230\u4f55\u6642\u624d\u80fd\u628a\u4fe1\u50b3\u7d66\u5927\u5bb6\uff0c\u9019\u6642\u5019\u53c8\u4e2d\u65b7\u5927\u5bb6\u6536\u4fe1\u2026\u2026\u60f3\u60f3USER\u53c8\u8981\u91cd\u6536\u4fe1,\u770b\u4f86\u8981\u7528\u9019\u500bScript\u771f\u7684\u8981\u5c0f\u5fc3.<\/p>\n
#!\/bin\/bash \/etc\/init.d\/dovecot stop postqueue -f \/etc\/init.d\/dovecot start<\/p>\n
\u5df2\u53c3\u7167\u4e0b\u9762\u4fee\u6539,\u66ab\u6642\u505c\u6b62\u4e0a\u9762\u7684SCRIPT,\u661f\u671f\u4e00\u518d\u4f86\u89c0\u5bdf\u5427\u2026\u2026<\/p>\n
=========================================================================<\/p>\n
\u6587\u7ae0\u51fa\u8655:http:\/\/blog.yam.com\/ymwen\/article\/25977088<\/p>\n
mail \u7684 mbox \u6a94\u6848\u7531\u65bc\u6709\u53ef\u80fd\u6709\u5169\u652f\u7a0b\u5f0f\u540c\u6642\u5b58\u53d6\u7684\u554f\u984c\uff0c\u6240\u4ee5\u9700\u8981\u6ce8\u610f file lock \u7684\u554f\u984c\uff0c\u4e0d\u7576\u7684\u8a2d\u5b9a\u53ef\u80fd\u6703\u9020\u6210 deadlock \u7522\u751f\uff0c\u6b64\u6642\u53ea\u80fd\u91cd\u555f mail service \u6216\u5c07 lock \u7684 process kill \u6389\u624d\u80fd\u89e3\u5957\u3002 \u4ee5 mail […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,29],"tags":[339],"_links":{"self":[{"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/365"}],"collection":[{"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=365"}],"version-history":[{"count":2,"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/365\/revisions"}],"predecessor-version":[{"id":433,"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/365\/revisions\/433"}],"wp:attachment":[{"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=365"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.infinity.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}