defragmentation

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H2 Optimize select statement / shutdown defrag

Test Case: drop table master; create table master(id int primary key, fk1 int, fk2 int, fk3 int, dataSvarchar(255),data1 int, data2 int, data3 int, data4 int,data5int,data6 int,data7 int,data8 int,d[详细]

2023-03-25 12:50 分类：问答
Can I optimize a Mercurial clone?

My Mercurial clone has become incredibly slow, presumably due to on-disk fragmentation. Is there a way to optimize it?[详细]

2023-03-17 22:13 分类：问答
File System Filter Driver: Creating a Defragmenter

I\'ve just started working on a file system filter driver that monitors for I/O writes to any file (listening for IRP_MJ_WRITE requests), and defragments the file transparently if it becomes fragmente[详细]

2023-02-28 01:12 分类：问答
(SQL Server) Why GUID or other random value as high-order key will cause fragmentation?

I\'m watching Paul S Randal\'s index fragmentation video at here. In the video, Paul said that GUID or other random values as high-order key will cause page splits which in turn will cause index fragm[详细]

2023-02-10 12:38 分类：问答
Programmatically determine a file's fragmentation status

Is it possible to determine a specific file\'s fragmentation status (that is, the amount of distinct fragments this file occupies)?[详细]

2022-12-25 05:28 分类：问答
How does disk de-fragmenting work?

I\'d like to have a go at writing something which shows the state of a hard drive in terms of how fragmented it is. Maybe even has a go at de-fragmenting it.[详细]

2022-12-19 20:01 分类：问答
Defragmenting Windows Drives as part of an NSIS installer script?

I need to install a piece of software with a lot of files. Our experience showed, that 开发者_如何学Pythonon highly fragmented hard drives that leads to very poor performance. So I want to include aut[详细]

2022-12-10 10:04 分类：问答
Defragmenting SQL indexes

I have been trying to defrag indexes in SQL Server 2005 and nothing seems to work.I have created multiple Maintenance Plans using the wizard but the job always fails.I have run the script from this si[详细]

2022-12-10 09:51 分类：问答