A new Chrome extension the great suspender will help you to fix the memory Problem. The great Suspender will temporarily suspend any tabs that are not in Use.it is an Free extension Install it from chrome Web Store.
The extension lets you to manage when to suspend tabs from running in background. You can select from 20 seconds to 3 days. So you can keep your Gmail and 15 other tabs run in the background without affecting your computer memory, at any point you can access those tabs.
If you have not used a tab in while that tab will turn blue and display the message “Tab Suspended Click to reload”, the tab will go to sleep depending on the time you set .you can reload and bring back a tab in single click.
If you want to exclude any websites, you have to add them to “whitelist” which spares selected pages from suspension no matter what. The great suspender has various customization options you can tweak every settings, for example you can set tabs to Sleep while internet is connected or if the computer is running on battery power.
This extension is similar to the memory saving extension OneTab, however great suspender keep our tabs visible and Accessible at any time.