From ff313e0301fbda79c1777cf723192b1a1225a377 Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Fri, 26 Apr 2013 13:01:16 +0000
Subject: [PATCH] * i2psnark: Use smaller piece size for small torrents
---
apps/i2psnark/java/src/org/klomp/snark/Storage.java | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/apps/i2psnark/java/src/org/klomp/snark/Storage.java b/apps/i2psnark/java/src/org/klomp/snark/Storage.java
index 036e0f39b3..adc2811f22 100644
--- a/apps/i2psnark/java/src/org/klomp/snark/Storage.java
+++ b/apps/i2psnark/java/src/org/klomp/snark/Storage.java
@@ -77,7 +77,7 @@ public class Storage
private final AtomicInteger _allocateCount = new AtomicInteger();
/** The default piece size. */
- private static final int MIN_PIECE_SIZE = 256*1024;
+ private static final int DEFAULT_PIECE_SIZE = 256*1024;
/** note that we start reducing max number of peer connections above 1MB */
public static final int MAX_PIECE_SIZE = 2*1024*1024;
/** The maximum number of pieces in a torrent. */
@@ -146,7 +146,13 @@ public class Storage
if (total > MAX_TOTAL_SIZE)
throw new IOException("Torrent too big (" + total + " bytes), max is " + MAX_TOTAL_SIZE);
- int pc_size = MIN_PIECE_SIZE;
+ int pc_size;
+ if (total <= 5*1024*1024)
+ pc_size = DEFAULT_PIECE_SIZE / 4;
+ else if (total <= 10*1024*1024)
+ pc_size = DEFAULT_PIECE_SIZE / 2;
+ else
+ pc_size = DEFAULT_PIECE_SIZE;
int pcs = (int) ((total - 1)/pc_size) + 1;
while (pcs > MAX_PIECES && pc_size < MAX_PIECE_SIZE)
{
--
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