Cassandra and MongoDB are both âNoSQLâ databases, but the reality is that they are very different . They have very different strengths and value propositions â so any comparison has to be a nuanced one. Letâs start with initial requirementsâ¦ Neither of these databases replace RDBMS, nor are they âACIDâ databases.
If your laptop is running on no more than 512MB of RAM with Windows XP or no more than 1GB of RAM with Windows Vista or Windows 7, you should upgrade. You'll notice a significant difference in system performance after upgrading to 2GB with XP or Vista, or to 4GB with Windows 7.
The best high performance laptops have Intel Core i7 processors and at least 4GB installed RAM. These laptops have fast processors operating at speed greater than 2 GHz.Also, hard drives with large capacity are included in the top rated high performance laptops.he best high performance laptops have Intel Core i7 processors and at least 4GB installed RAM. These laptops have fast processors operating at speed greater than 2 GHz.