This statistic shows the number of seconds tracked within the session table, which is the effective time window in which the Decoder can link together sessions.
As discussed above, due to the handling of leap seconds in Unix time, the number of seconds elapsed since the Unix epoch is slightly greater than the Unix time number for times later than the epoch.
If the ttl is greater than 0, APC will attempt to remove expired entries. apc. gc_ttl integer The number of seconds that a cache entry may remain on the garbage-collection list.
Because of the treatment of seconds leaps in Unix time, as explained above, the number of seconds since the Unix era is slightly larger than the Unix time for periods later than the era.
If you are passing an integer to any of these methods, you should update your code to ensure you are now passing the number of seconds you wish the item to remain in the cache.
This map--(Applause)-- this map shows the number of seconds that American network and cable news organizations dedicated to news stories, by country, in February of 2007-- just one year ago.
When a number of seconds since epoch(1 Jan 1970) is written to this file, all entries in the cache that were last updated before that file become invalidated and will be flushed out.
Most(UNIX) systems store dates internally as signed 32-bit integers which contain the number of seconds since 1st January 1970, so the magic boundary to worry about is the year 2038 and not 2000.
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