memory-mapped-files

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Is there really no mremap in Darwin?

I\'m trying to find out how to remap memory-mapped files on a Mac (when I want to expand the available space).[详细]

2023-01-12 11:32 分类：问答
Is the data in a memory-mapped file guaranteed to flush sequentially?

I\'m trying to implement a file storage mechanism which holds a number of variably-sized records in a sin开发者_运维问答gle file with the guarantee that the set of records will always be recoverable i[详细]

2023-01-08 13:19 分类：问答
Does SetFileBandwidthReservation affect memory-mapped file performance?

Does this function affect Memory-mapped file performance? Here\'s the problem I need to solve: I have two applications competing for disk access: \"reader\" and \"updater\". Whole system runs on Win[详细]

2023-01-03 15:21 分类：问答
How to unmap a file from memory mapped using FileChannel in java?

I am mapping a file(\"sample.txt\") to memory using FileChannel.map() and then closing the channel using fc.close(). After this when I write to the file using FileOutputStream, I am getting the follow[详细]

2023-01-02 00:59 分类：问答
Memory-Mapped Files & Transparent Persistence of Java Objects

Greeting All, I want to achieve transparent persistence of Java objects through memory-mapped files (utilize the OS paging/swapping mechanism).[详细]

2023-01-01 16:44 分类：问答
Optimal storage of data structure for fast lookup and persistence

Scenario I have the following methods: public void AddItemSecurity(int itemId, int[] userIds) public int[] GetValidItemIds(int userId)[详细]

2022-12-25 06:33 分类：问答
Need Recommendation for a Page Loader (html content)

A client has asked for a page loader, something \"attractive\" to let the visitor know that the content is on its way. This is for standard html content - text, images, etc.[详细]

2022-12-23 03:46 分类：问答
Fast cross platform algorithm for reading/writing file in C++

I want to pose a seemingly simple question that i can\'t find the answer nowhere. Is there a FAST modern algorithm for file input and/or output that can be compiled with all standard compliant C++ com[详细]

2022-12-18 06:15 分类：问答
Using C++ Boost memory mapped files to create disk-back data structures

I have been looking into using Boost.Interprocess to create a disk-backed data structure. The examples on Boost Documentation (http://www.boost.org/doc/libs/1_41_0/doc/html/interprocess.html) are all[详细]

2022-12-16 14:03 分类：问答
Why do I get "Not enough storage is available to process this command" using Java MappedByteBuffers?

I have a very large array of doubles that I am using a disk-based file and a paging List of MappedByteBuffers to handle, see this question for more background.I am running on Windows XP using Java 1.5[详细]

2022-12-14 20:25 分类：问答