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Slice filter.

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Splits a request into subrequests, each providing a specific range of response.
The variable "$slice_range" must be used to set subrequest range and proper
cache key.  The directive "slice" sets slice size.

The following example splits requests into 1-megabyte cacheable subrequests.

server {
    listen 8000;

    location / {
        slice 1m;

        proxy_cache cache;
        proxy_cache_key $uri$is_args$args$slice_range;
        proxy_set_header Range $slice_range;
        proxy_cache_valid 200 206 1h;
        proxy_pass http://127.0.0.1:9000;
    }
}
This commit is contained in:
Roman Arutyunyan
2015-12-07 16:30:48 +03:00
parent 1b478c50de
commit 8ba626ccd7
6 changed files with 567 additions and 6 deletions
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15
auto/modules
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@@ -73,6 +73,11 @@ if [ $HTTP_SSI = YES ]; then
fi
if [ $HTTP_SLICE = YES ]; then
HTTP_POSTPONE=YES
fi
if [ $HTTP_ADDITION = YES ]; then
HTTP_POSTPONE=YES
fi
@@ -110,6 +115,7 @@ fi
# ngx_http_copy_filter
# ngx_http_range_body_filter
# ngx_http_not_modified_filter
# ngx_http_slice_filter
HTTP_FILTER_MODULES="$HTTP_WRITE_FILTER_MODULE \
$HTTP_HEADER_FILTER_MODULE \
@@ -179,6 +185,12 @@ if [ $HTTP_USERID = YES ]; then
HTTP_SRCS="$HTTP_SRCS $HTTP_USERID_SRCS"
fi
if [ $HTTP_SLICE = YES ]; then
HTTP_SRCS="$HTTP_SRCS $HTTP_SLICE_SRCS"
else
HTTP_SLICE_FILTER_MODULE=""
fi
if [ $HTTP_V2 = YES ]; then
have=NGX_HTTP_V2 . auto/have
@@ -461,7 +473,8 @@ if [ $HTTP = YES ]; then
$HTTP_AUX_FILTER_MODULES \
$HTTP_COPY_FILTER_MODULE \
$HTTP_RANGE_BODY_FILTER_MODULE \
$HTTP_NOT_MODIFIED_FILTER_MODULE"
$HTTP_NOT_MODIFIED_FILTER_MODULE \
$HTTP_SLICE_FILTER_MODULE"
NGX_ADDON_DEPS="$NGX_ADDON_DEPS \$(HTTP_DEPS)"
fi