N1ql Q3 10kSops fail with pthread_create failed

From hades cluster build 1891

http://perf.jenkins.couchbase.com/job/hades/3265/
Indexer node is http://perf.jenkins.couchbase.com/job/hades/3265/artifact/172.23.100.45.zip

016-03-22T19:32:10.637-07:00 [Info] logReaderStat:: MAINT_STREAM MutationCount 20140000
runtime/cgo: pthread_create failed: Resource temporarily unavailable
SIGABRT: abort
PC=0x33d6e32925 m=2

goroutine 0 [idle]:

goroutine 1 [select]:
runtime.gopark(0x12d5490, 0xc82338b2a8, 0x107d748, 0x6, 0x18, 0x2)
/home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/proc.go:262 +0x163 fp=0xc82338b040 sp=0xc82338b018
runtime.selectgoImpl(0xc82338b2a8, 0x0, 0x18)
/home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/select.go:392 +0xa67 fp=0xc82338b200 sp=0xc82338b040
runtime.selectgo(0xc82338b2a8)
/home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/select.go:215 +0x12 fp=0xc82338b220 sp=0xc82338b200
github.com/couchbase/indexing/secondary/indexer.(*indexer).run(0xc8200bc480)
/home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/indexer.go:461 +0x292 fp=0xc82338b378 sp=0xc82338b220
github.com/couchbase/indexing/secondary/indexer.NewIndexer(0xc82015e900, 0x0, 0x0, 0x0, 0x0)
/home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/indexer.go:347 +0x3aad fp=0xc82338bc28 sp=0xc82338b378
main.main()
/home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/cmd/indexer/main.go:108 +0x14a4 fp=0xc82338bf40 sp=0xc82338bc28
runtime.main()
/home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/proc.go:188 +0x2b0 fp=0xc82338bf90 sp=0xc82338bf40
runtime.goexit()
/home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82338bf98 sp=0xc82338bf90

goroutine 17 [syscall, 46 minutes, locked to thread]:
runtime.goexit()
/home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc820074fb8 sp=0xc820074fb0

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