shared location for large files

PHP processes large files. Requirement: there is a 1 GB log file, with about more than 5 million lines. use php to return the last few lines of content. In php, the quickest way to read files is to use one requirement: there is a 1 GB log file, with about more than 5 million lines, use php to return the last few lines of content. In php, the quickest way to read

PHP cannot upload a large file to display Filecouldntbemoved. Is doing a file Upload shared site, want to achieve the file upload function through the following code: formenctypemultipartform-dataactionadd_file.phpmethodpostfieldsetlegendFilloutt is doing a file Upload shared site, want to achieve the file upload function through the following code: It is fo

For some small files, with ordinary file stream can be a good solution, but for large files, such as 2G or more, the file stream is not, so to use the API's memory mapping method, even the memory map, can not map the size of all files at once, so you must take a block map, Handle a small portion at a time.Let's look at

The following is a random reading class for data files that I implemented. A row of large text files can be randomly read. On my machine, the speed of reading a 200,000th MB text file has increased from MS to 3 ms.When reading text files, Readline () is generally used for Row-by-row reading. In this case, the filestrea

the file, and the end positionWhere local files are written:Set where to start writing/* * * Download Thread * */ class Downloadthread extends thread { ... The section @Override publicvoid run () {...) is omitted here. Omitted here section int// Read file location //start initialize download link .......

Solution for MySQL ibdata1 files being too largeHandling the problem that the ibdata1 file of MySQL is too large I encountered a MySQL database installed in yum when installing zabbix monitoring. Later I used it for a while to find that the ibdata1 space under the data Directory was very large, on the contrary, my zabbix database has a small space, which is incon

succeeded", ""); } else { Outjson ("2", "upload" + filefilename + "chunk:" + chunk, "");}}} catch (Exception e) { Outjson ("3", "Upload Failed", ""); } Fileutil.java /** * Specify location to start writing to file * @param tempfile input File * @param the path (path + filename) of the Outpath output file * @throws ioexception */ 7. Effect Drawing The above is a small set of Java in the introduction of the use of Webuploader plu

Please pay attention to my watercress http://www.douban.com/note/484517776/For many large files of the incremental read, if traversing each row than the history of the loss of money or all loaded into memory through the history of the index lookup, is very wasteful of resources, online there are a lot of people's technical blog is written with a for loop readline and a counter to read the increment, this is

Python Multiprocess multipart access to ultra-large files, This example describes how to read large files in multiple parts in Python. We will share this with you for your reference. The details are as follows: Read ultra-large text file