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.
Newegg can help! Consider these scenarios: 1  If you are upgrading your laptop or replacing a failed laptop HDD, then you definitely want an internal laptop hard drive. 2  If storage is your primary concern, then look for an internal laptop hard drive with a large capacity and a 5400RPM speed. For a faster performing laptop, consider paying extra for an SSD. They generally offer faster read/write speeds than the average internal notebook hard drive.