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-rw-r--r--src/usage_text.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/src/usage_text.h b/src/usage_text.h
index 5f11fde4..e0e77f45 100644
--- a/src/usage_text.h
+++ b/src/usage_text.h
@@ -242,7 +242,21 @@
#define TEXT_MAX_CONCURRENT_DOWNLOADS \
_(" -j, --max-concurrent-downloads=N Set maximum number of parallel downloads for\n" \
" every static (HTTP/FTP) URL, torrent and metalink.\n" \
- " See also --split option.")
+ " See also --split and --optimize-concurrent-downloads options.")
+#define TEXT_OPTIMIZE_CONCURRENT_DOWNLOADS\
+ _(" --optimize-concurrent-downloads[=true|false|A:B] Optimizes the number of\n" \
+ " concurrent downloads according to the bandwidth\n" \
+ " available. aria2 uses the download speed observed\n" \
+ " in the previous downloads to adapt the number of\n" \
+ " downloads launched in parallel according to the rule\n" \
+ " N = A + B Log10(speed in Mbps). The coefficients\n" \
+ " A and B can be customized in the option arguments\n" \
+ " with A and B separated by a colon. The default values\n" \
+ " (A=5,B=25) lead to using typically 5 parallel\n" \
+ " downloads on 1Mbps networks and above 50 on 100Mbps\n" \
+ " networks. The number of parallel downloads remains\n" \
+ " constrained under the maximum defined by the\n" \
+ " max-concurrent-downloads parameter.")
#define TEXT_LOAD_COOKIES \
_(" --load-cookies=FILE Load Cookies from FILE using the Firefox3 format\n" \
" and Mozilla/Firefox(1.x/2.x)/Netscape format.")