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proxy_cache_lock

Syntax:	`proxy_cache_lock on \| off;`
Default:	`proxy_cache_lock off;`
Context:	`http`, `server`, `location`

This directive appeared in version 1.1.12.

When enabled, only one request at a time will be allowed to populate a new cache element identified according to the proxy_cache_key directive by passing a request to a proxied server. Other requests of the same cache element will either wait for a response to appear in the cache or the cache lock for this element to be released, up to the time set by the proxy_cache_lock_timeout directive.

Links:

https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_cache_lock

doc_nginx

2017-02-09 07:08:08

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