Yoast would slow down wp-admin at Site Ground

Hi,

I noticed my sites back-end were very slow as soon as they were hosted at Site Ground. So I submitted a ticket and here is the Site Ground tech support reply:

I decided to trace the process spawned by the WordPress scripts. The script responsible for creating and editing posts and pages was responding quite slow and the reason for that is the timeouts appears to be due to the wordpress-seo plugin:

Code:
0.000060 read(4, "\1\0\0\1\4V\0\0\2\3def\26annuair9_creer-un-site\22wp_yoast_seo_links\22wp_yoast_seo_links\3url\3url\f\366\0\374\3\0\0\375\1\20\0\0\0^\0\0\3\3def\26annuair9_creer-un-site\22wp_yoast_seo_links\22wp_yoast_seo_links\7post_id\7post_id\f?\0\24\0\0\0\10)P\0\0\0l\0\0\4\3def\26annuair9_creer-un-site\22wp_yoast_seo_links\22wp_yoast_seo_links\16target_post_id\16target_post_id\f?\0\24\0\0\0\10!\20\0\0\0X\0\0\5\3def\26annuair9_creer-un-site\22wp_yoast_seo_links\22wp_yoast_seo_links\4type\4type\f\366\0 \0\0\0\375\1P\0\0\0\5\0\0\6\376\0\0\2\0\5\0\0\7\376\0\0\2\0", 16384) = 415 <0.000025>
0.000190 poll([{fd=4, events=POLLIN|POLLPRI}], 1, 0) = 0 (Timeout) <0.000011>
0.000036 write(4, "7\0\0\0\3DELETE FROM <code>wp_yoast_seo_links</code> WHERE <code>post_id</code> = 695", 59) = 59 <0.000015>
0.000046 read(4, "\7\0\0\1\0\0\0\2\0\0\0", 16384) = 11 <0.000147>
0.000223 poll([{fd=4, events=POLLIN|POLLPRI}], 1, 0) = 0 (Timeout) <0.000027>
0.000052 write(4, "+\0\0\0\3SHOW FULL COLUMNS FROM <code>wp_yoast_seo_meta</code>", 47) = 47 <0.000016>

Code:
0.000362 sendto(5, "add 2ec3f9789a96cc89ebe48adfbwp_:options:wpseo_sitemap_1_cache_validator 0 0 5\r\n5XVjh\r\n", 87, MSG_NOSIGNAL, NULL, 0) = 87 <0.000044>
0.000090 recvfrom(5, "STORED\r\n", 8196, MSG_NOSIGNAL, NULL, NULL) = 8 <0.000013>
0.000321 poll([{fd=4, events=POLLIN|POLLPRI}], 1, 0) = 0 (Timeout) <0.000016>
0.000049 write(4, "|\0\0\0\3UPDATE <code>wp_options</code> SET <code>option_value</code> = '5Yazw', <code>autoload</code> = 'no' WHERE <code>option_name</code> = 'wpseo_sitemap_1_cache_validator'", 128) = 128 <0.000015>
0.000062 read(4, "0\0\0\1\0\1\0\2\0\0\0(Rows matched: 1 Changed: 1 Warnings: 0", 16384) = 52 <0.002556>
0.002676 sendto(5, "set 2ec3f9789a96cc89ebe48adfbwp_:options:wpseo_sitemap_1_cache_validator 0 0 5\r\n5Yazw\r\n", 87, MSG_NOSIGNAL, NULL, 0) = 87 <0.000080>
0.000143 recvfrom(5, "STORED\r\n", 8196, MSG_NOSIGNAL, NULL, NULL) = 8 <0.000013>
0.000090 sendto(5, "get 2ec3f9789a96cc89ebe48adfbwp_:options:wpseo_sitemap_page_cache_validator\r\n", 77, MSG_NOSIGNAL, NULL, 0) = 77 <0.000038>
0.000078 recvfrom(5, "END\r\n", 8196, MSG_NOSIGNAL, NULL, NULL) = 5 <0.000012>
0.000102 poll([{fd=4, events=POLLIN|POLLPRI}], 1, 0) = 0 (Timeout) <0.000014>

Best Regards,

Adem Sherifov
Technical Support Team

What do you think?

Best regards,
Florence.