How to use Disk cache

[Mahesh Wabale]

Hello every one , 

If i have 16 gb ram on my machin , and i have graph database with plocal storage . Recently i heared about concept of Disk Cache .  Using Disk Cache we can stored all our data in RAM , hence it improves  performance . I want to know about How we can use disk cache ? Is there is some configuration for that ? 

I have to store my entire database in RAM , Is it possible to store all database in RAM using disk cache ? If yes How? 

Thanks in Advance . 

[Luigi Dell'Aquila]

Hi Mahesh,

you can change the storage.diskCache.bufferSize parameter, here you will find all the information about that

http://orientdb.com/docs/last/Performance-Tuning.html

Thanks

Luigi

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[Mahesh Wabale]

I  update my orientdb-server-config.xml file as

By server configuration

Put in the <properties> section of the file orientdb-server-config.xml (or orientdb-dserver-config.xml) the entries to configure. Example:

  ...
  <properties>
    <entry name="cache.size" value="10000" />
    <entry name="storage.keepOpen" value="true" />
  </properties>
  ...

but when we see buffer size on console by config command , it is not change , shows  

storage.diskCache.bufferSize       = 1312                           |
| storage.diskCache.writeCachePart   = 30                             |
| storage.diskCache.writeCachePageTTL= 86400                          |
| storage.diskCache.writeCachePageFlushInterval= 100 

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