Share server it’s happend exactly after update this plugin. I have a lot other plugins most SEO and Quick Cache so I am a bit surprised this situation. Server support told me that I have a lot ‘requests opened’ and problem is about time it’s ‘open’ around 500s:
aaa.pl 6658 W 324 GET /zz.htm HTTP/1.1 83.28.241.43
6658 W 178 GET /aa.htm HTTP/1.0 157.55.32.110
6658 W 474 GET /bbb.htm HTTP/1.0 85.117.29.130
6658 C 95 GET /cc.htm HTTP/1.1 89.74.239.77
6658 W 355 GET ddd.htm HTTP/1.1 46.112.11.131
6658 W 175 GET /ggg.htm HTTP/1.0 46.105.45.30
6658 W 352 GET /vvv.htm HTTP/1.1 89.70.253.4
6658 W 339 GET /bbb.htm HTTP/1.1 94.223.133.112
6658 W 277 GET /uuu.htm HTTP/1.1 83.30.12.116
6658 W 331 GET /mmm.htm HTTP/1.1 94.246.139.36
6658 W 456 GET /bbb.htm HTTP/1.1 46.112.11.131
6658 C 41 GET /uuu.htm HTTP/1.0 85.117.29.130
The website stats it’s 2 000 to 3 000 users per day. I have just restored older version your mod an problem dissapear so I am sure it’s fault with this version.