From fc7584f5a012ff5919156ecc8a0a414985218883 Mon Sep 17 00:00:00 2001
From: Steve Yen <steve.yen@gmail.com>
Date: Fri, 23 Mar 2018 16:56:37 -0700
Subject: [PATCH] scorch zap prealloc extra locs for future growth

---
 index/scorch/segment/zap/posting.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/index/scorch/segment/zap/posting.go b/index/scorch/segment/zap/posting.go
index e994617a..cf1e1ab0 100644
--- a/index/scorch/segment/zap/posting.go
+++ b/index/scorch/segment/zap/posting.go
@@ -495,10 +495,10 @@ func (i *PostingsIterator) Next() (segment.Posting, error) {
 		if cap(i.nextLocs) >= int(rv.freq) {
 			i.nextLocs = i.nextLocs[0:rv.freq]
 		} else {
-			i.nextLocs = make([]Location, rv.freq)
+			i.nextLocs = make([]Location, rv.freq, rv.freq * 2)
 		}
 		if cap(i.nextSegmentLocs) < int(rv.freq) {
-			i.nextSegmentLocs = make([]segment.Location, rv.freq)
+			i.nextSegmentLocs = make([]segment.Location, rv.freq, rv.freq * 2)
 		}
 		rv.locs = i.nextSegmentLocs[0:rv.freq]
 		for j := 0; j < int(rv.freq); j++ {