From adafb5f3c892af2676009ce33f19819e6a13fd18 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Sat, 16 Jan 2010 15:30:30 +0000
Subject: [PATCH] Limit yoweb-scrape backlog parsing to 500K

---
 yoweb-scrape | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/yoweb-scrape b/yoweb-scrape
index e3a7c8c..10cc734 100755
--- a/yoweb-scrape
+++ b/yoweb-scrape
@@ -502,9 +502,15 @@ class ChatLogTracker:
 				# self._v = self._vl[self._vessel]
 		self._date = None
 		self._myself = myself_pi
-		self._f	= file(logfn)
 		self._lbuf = ''
-		self._progress = [0, os.fstat(self._f.fileno()).st_size]
+		self._f	= file(logfn)
+		flen = os.fstat(self._f.fileno()).st_size
+		max_backlog = 500000
+		if flen > max_backlog:
+			startpos = flen - max_backlog
+			self._f.seek(startpos)
+			self._f.readline()
+		self._progress = [0, flen - self._f.tell()]
 		self._disembark_myself()
 		self._need_redisplay = False
 		self._lastvessel = None
-- 
2.30.2