09-11-2019
Now I recall some of the problems I used to have with mod_pagespeed......
mod_pagespeed give a tiny increase in page speed with the big cost of caching and when we make a change on the site and try to clear the cache, the cache does not clear propertly or correctly
and it is very hard to work on the site, debug things, etc. due to the caching of all this code and the problems trying to clear the various caches.
So, I turned it off (again) for now.
I tried to clear the cache and it will not clear easily but again, it may be because we have to clear the cache on both the server side and the client side; all of which is too much work.
As I always try to explain to people over the years; all the "optimizations" come at a "cost" and the major cost for mod_pagespeed is a cache of a written pages (HTML, CSS, Javascript) which can be very difficult to manage if you are making any changes to the code or debugging something; and I started making changes to the code based on the W3C validator; but it's hard to work on this with mod_pagespeed caching, rewriting code, etc.
Anyway, its off again ... because the pages load fast already and mod_pagespeed does not really help that much and has very little or nothing to do with the issue I posted about, which is:
Your site has been switched to Mobile First Indexing by Google.
Cheers!
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LEARN ABOUT HPUX
dbc_min_pct
dbc_max_pct(5) OBSOLETED dbc_max_pct(5)
NAME
dbc_max_pct, dbc_min_pct, bufcache_max_pct, bufpages, nbuf - OBSOLETED kernel tunable parameter
DESCRIPTION
These tunables have been obsoleted and removed. Do not make any changes to these tunables, as they have no effect on the kernel.
Use the file cache tunables and (see filecache_max(5)).
In previous releases, the tunables and were used to set limits to the dynamic buffer cache, and the tunables and were used for tuning the
buffer cache when a static cache was desired.
This release of HP-UX offers improved file caching technology and improved physical memory control associated to caching file I/O data.
The number of tunable parameters used to control file caching memory usage is reduced from five to two, and previous usability issues are
addressed.
Restrictions on Changing
These tunables should not be modified. Attempting to tune any of the obsolete buffer cache tunables, or results in an error.
Use the tunables and to set limits on the file cache. Note that, on a any given system, the optimum values of these two new tunables are
not necessarily equivalent to the optimum values of the obsolete buffer cache tunable values in the older systems. You should first deter-
mine if the new default values yield acceptable performance on your system, before attempting to change the values of the new file cache
tunables.
AUTHOR
and were developed by HP.
SEE ALSO
filecache_max(5).
Kernel Tunable Parameter dbc_max_pct(5)