对于主要是写入的数据库，mongodb内存占满之后写入效率会变得不稳定
这个时候，你需要释放内存（可试用db.runCommand({closeAllDatabases:1}) ）实现
下面的c#代码可以用来定时释放内存，使用的时候注意把路径换成你服务器的路径，另外就是修改下释放频率
Technorati 标签:
mongodb
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class
Program
{
static
void
Main(
string
[] args)
{
while
(
true
)
{
new
Thread(
delegate
()
{
Console.WriteLine(
"开始释放"
);
Cmd(
@"echo 正在启动MongoDB
d:
cd D:\mongodb\bin
mongo
use admin
db.runCommand({closeAllDatabases:1})
"
, "bye");
Console.WriteLine(
"释放完成"
);
}).Start();
// 三小时
Thread.Sleep(3 * 3600 * 1000);
}
}
///
/// 执行命令
///
///
///
static
void
Cmd(
string
cmd,
string
end)
{
Process process =
new
Process
{
StartInfo =
{
FileName =
"cmd.exe"
,
UseShellExecute =
false
,
RedirectStandardInput =
true
,
RedirectStandardOutput =
true
,
RedirectStandardError =
true
,
CreateNoWindow =
true
}
};
process.Start();
process.StandardInput.AutoFlush =
true
;
process.StandardInput.WriteLine(cmd);
process.StandardInput.WriteLine(
"exit"
);
var outPut =
""
;
while
(!(outPut = process.StandardOutput.ReadLine()).Contains(end))
{
Console.WriteLine(outPut);
}
Console.WriteLine(outPut);
if
(process.HasExited ==
false
)
//Process is still running.
//Test to see if the process is hung up.
if
(process.Responding)
//Process was responding; close the main window.
process.CloseMainWindow();
else
//Process was not responding; force the process to close.
process.Kill();
process.Close();
}
}
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