pagespeed FileCacheSizeKb not working ?

[Hoang Le]

Hi,

anyone can help me understand this problem. many thanks !!

i have setting 

pagespeed FileCachePath /var/ngx_pagespeed_cache;
pagespeed FileCacheSizeKb            102400;  #(100MB)
pagespeed FileCacheCleanIntervalMs   3600000;
pagespeed FileCacheInodeLimit        500000;

but i don't know why directory  /var/ngx_pagespeed_cache have more than 2GB and page_speed not clean cache

this is full config page_speed i have used.

Add this config to nginx vhost

#page speed config
pagespeed on;
pagespeed LowercaseHtmlNames on;
pagespeed ModifyCachingHeaders on;
pagespeed EnableFilters combine_css,combine_javascript;
pagespeed PreserveUrlRelativity on;
pagespeed EnableFilters lazyload_images;
pagespeed EnableFilters defer_javascript;
pagespeed EnableFilters recompress_jpeg;
pagespeed EnableFilters recompress_png;
pagespeed EnableFilters rewrite_images;
pagespeed EnableFilters convert_png_to_jpeg;
pagespeed EnableFilters convert_jpeg_to_progressive;
pagespeed EnableFilters convert_jpeg_to_webp;
pagespeed EnableFilters collapse_whitespace,remove_comments;
pagespeed EnableFilters prioritize_critical_css;
pagespeed AllowVaryOn "Accept, Save-Data";
pagespeed InPlaceResourceOptimization on;
pagespeed EnableFilters extend_cache;
pagespeed LazyloadImagesAfterOnload off;
pagespeed LazyloadImagesBlankUrl "https://www.gstatic.com/psa/static/1.gif";
pagespeed EnableCachePurge on;
pagespeed PurgeMethod PURGE;

#pagespeed ForceCaching on;

# pagespeed admin 
#pagespeed StatisticsPath /ngx_pagespeed_statistics;
#pagespeed MessagesPath /ngx_pagespeed_message;
#pagespeed ConsolePath /pagespeed_console;
#pagespeed AdminPath /pagespeed_admin;

# Needs to exist and be writable by nginx.  Use tmpfs for best performance.
pagespeed FileCachePath /var/ngx_pagespeed_cache;
pagespeed FileCacheSizeKb            102400;
pagespeed FileCacheCleanIntervalMs   3600000;
pagespeed FileCacheInodeLimit        500000;

# Ensure requests for pagespeed optimized resources go to the pagespeed handler
# and no extraneous headers get set.
location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
add_header "" "";
}
location ~ "^/pagespeed_static/" { }
location ~ "^/ngx_pagespeed_beacon$" { }

[Otto van der Schaaf]

The cache gets cleaned hourly with your configuration. 

Could it be that it regrows to 2GB really fast after cleaning?

(Note: If the site has a lot of traffic and actually needs multiple GB's of cache to fit a

reasonable working set, having it trimmed down to 100MB every hour may be suboptimal).

Otto

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[Joshua Marantz]

Another possibility is there could be permissions problems cleaning the cache.  Those would probably show up in the nginx logs hourly.

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