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diff src/http/ngx_http_cache.h @ 7705:3781de64e747

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Cache: keep c->body_start when Vary changes (ticket #2029). If the variant hash doesn't match one we used as a secondary cache key, we switch back to the original key. In this case, c->body_start was kept updated from an existing cache node overwriting the new response value. After file cache update, it led to discrepancy between a cache node and cache file seen as critical errors "file cache .. has too long header".
author Sergey Kandaurov <pluknet@nginx.com>
date Wed, 09 Sep 2020 19:26:27 +0300
parents 847fd35f94de
children
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--- a/src/http/ngx_http_cache.h
+++ b/src/http/ngx_http_cache.h
@@ -117,6 +117,7 @@ struct ngx_http_cache_s {
     unsigned                         purged:1;
     unsigned                         reading:1;
     unsigned                         secondary:1;
+    unsigned                         update_variant:1;
     unsigned                         background:1;
 
     unsigned                         stale_updating:1;