{"id":177,"date":"2009-05-15T05:11:55","date_gmt":"2009-05-15T12:11:55","guid":{"rendered":"http:\/\/cknotes.com\/?p=177"},"modified":"2009-05-15T05:11:55","modified_gmt":"2009-05-15T12:11:55","slug":"ftp-upload-speed","status":"publish","type":"post","link":"https:\/\/cknotes.com\/ftp-upload-speed\/","title":{"rendered":"FTP Upload Speed"},"content":{"rendered":"<p><strong>Question:<\/strong><\/p>\n<p>We&#8217;re rather puzzled by what appears to be capped speeds on uploads,<br \/>\ndespite no cap being set.  Testing uploads, we&#8217;re seeing about 350<br \/>\nKB\/s via the Ck library to our (local network) FTP server.  A<br \/>\nFileZilla transfer of the same file to the same server can happily hit<br \/>\nup to 7MB\/s.<\/p>\n<p>I realize Ck supports bandwidth throttling, but those values are at<br \/>\ntheir default value of 0.<\/p>\n<p>I&#8217;ve attached the relevant test code.  There is one test file that<br \/>\ngets uploaded first, then we loop over an array of files.  The first<br \/>\nfile is tiny, then there&#8217;s a larger file (usually 20mb+), and on that<br \/>\nI see the ~350KB\/s speeds.<\/p>\n<p>Is this a familiar problem?  Any known solutions, workarounds or<br \/>\ndiagnostics you can suggest?<\/p>\n<p><strong>Answer:<\/strong><\/p>\n<p>Try setting the SendBufferSize property to a larger value.  Perhaps<br \/>\n1MB instead of the default 64K.<br \/>\n<strong><br \/>\nCustomer Response:<\/strong><\/p>\n<p>Thanks &#8211; that was the problem.  Even with 512k buffers, I can happily max<br \/>\nout our local bandwidth.<\/p>\n<p><strong>Note:<\/strong> The default value for the SendBufferSize property will be change to 512K.  This change will be documented in the release notes when the new version is available, as well as in the online documentation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question: We&#8217;re rather puzzled by what appears to be capped speeds on uploads, despite no cap being set. Testing uploads, we&#8217;re seeing about 350 KB\/s via the Ck library to our (local network) FTP server. A FileZilla transfer of the same file to the same server can happily hit up to 7MB\/s. I realize Ck [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[440,507],"class_list":["post-177","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-ftp","tag-performance"],"_links":{"self":[{"href":"https:\/\/cknotes.com\/wp-json\/wp\/v2\/posts\/177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cknotes.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cknotes.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cknotes.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cknotes.com\/wp-json\/wp\/v2\/comments?post=177"}],"version-history":[{"count":0,"href":"https:\/\/cknotes.com\/wp-json\/wp\/v2\/posts\/177\/revisions"}],"wp:attachment":[{"href":"https:\/\/cknotes.com\/wp-json\/wp\/v2\/media?parent=177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cknotes.com\/wp-json\/wp\/v2\/categories?post=177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cknotes.com\/wp-json\/wp\/v2\/tags?post=177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}