Database maxing : Physical Memory Usage 511 / 512 MB

I've been frantically working with my host to help resolve this issue I've been having. My hosted is continually overloading. The support claims this is the main query causing the issue:

I've disabled all plugins.

Here's some problematic queries...

| 521 | jav1317103072546 | localhost | jav1317103072546 | Query | 17 | Copying to tmp table | SELECT SQL_CALC_FOUND_ROWS wp_posts.ID FROM wp_posts INNER JOIN wp_term_relationships ON (wp_posts |
| 525 | jav1317103072546 | localhost | jav1317103072546 | Query | 16 | Copying to tmp table | SELECT SQL_CALC_FOUND_ROWS wp_posts.ID FROM wp_posts INNER JOIN wp_term_relationships ON (wp_posts |
| 532 | jav1317103072546 | localhost | jav1317103072546 | Query | 13 | Copying to tmp table | SELECT SQL_CALC_FOUND_ROWS wp_posts.ID FROM wp_posts INNER JOIN wp_term_relationships ON (wp_posts |
| 536 | jav1317103072546 | localhost | jav1317103072546 | Query | 12 | Copying to tmp table | SELECT SQL_CALC_FOUND_ROWS wp_posts.ID FROM wp_posts INNER JOIN wp_term_relationships ON (wp_posts |
| 538 | jav1317103072546 | localhost | jav1317103072546 | Query | 11 | Copying to tmp table | SELECT SQL_CALC_FOUND_ROWS wp_posts.ID FROM wp_posts INNER JOIN wp_term_relationships ON (wp_posts |
| 541 | jav1317103072546 | localhost | jav1317103072546 | Query | 11 | Copying to tmp table | SELECT SQL_CALC_FOUND_ROWS wp_posts.ID FROM wp_posts INNER JOIN wp_term_relationships ON (wp_posts |

Seems post meta table has this many rows:

106,915

the whole site goes down sending mysql into a spin/cpu peak.Please help !:facepalm: .Wordpress version 3.9.1, Theme : keremiyaV4