log shows the following:
client mode check start 2017-10-10 07:40:58.303980858 +0000 UTC
client mode check start 2017-10-10 07:41:01.305266634 +0000 UTC
client mode check start 2017-10-10 07:41:04.506058547 +0000 UTC
fatal error: runtime: out of memory
runtime stack:
runtime.throw(0xb5637a, 0x16)
/usr/local/go/src/runtime/panic.go:596 +0x95
runtime.sysMap(0xc554320000, 0x2f120000, 0xf77200, 0xf8fdf8)
/usr/local/go/src/runtime/mem_linux.go:216 +0x1d0
runtime.(*mheap).sysAlloc(0xf76a80, 0x2f120000, 0x422741)
/usr/local/go/src/runtime/malloc.go:440 +0x374
runtime.(*mheap).grow(0xf76a80, 0x1788e, 0x0)
/usr/local/go/src/runtime/mheap.go:774 +0x62
runtime.(*mheap).allocSpanLocked(0xf76a80, 0x1788e, 0x200)
/usr/local/go/src/runtime/mheap.go:678 +0x44f
runtime.(*mheap).alloc_m(0xf76a80, 0x1788e, 0x100000000, 0xc400000000)
/usr/local/go/src/runtime/mheap.go:562 +0xe2
runtime.(*mheap).alloc.func1()
/usr/local/go/src/runtime/mheap.go:627 +0x4b
runtime.systemstack(0x7fe77911fda8)
/usr/local/go/src/runtime/asm_amd64.s:343 +0xab
runtime.(*mheap).alloc(0xf76a80, 0x1788e, 0x100000000, 0xf79710)
/usr/local/go/src/runtime/mheap.go:628 +0xa0
runtime.largeAlloc(0x2f11c000, 0x7fe77b116900, 0xc40000003a)
/usr/local/go/src/runtime/malloc.go:807 +0x93
runtime.mallocgc.func1()
/usr/local/go/src/runtime/malloc.go:702 +0x3e
runtime.systemstack(0xc42001b300)
/usr/local/go/src/runtime/asm_amd64.s:327 +0x79
runtime.mstart()
/usr/local/go/src/runtime/proc.go:1132
goroutine 335 [running]:
runtime.systemstack_switch()
/usr/local/go/src/runtime/asm_amd64.s:281 fp=0xc430e1aa18 sp=0xc430e1aa10
runtime.mallocgc(0x2f11c000, 0x0, 0x0, 0x0)
/usr/local/go/src/runtime/malloc.go:703 +0x930 fp=0xc430e1aab8 sp=0xc430e1aa18
runtime.growslice(0xa443a0, 0xc508e20000, 0x25a7c000, 0x25a7c000, 0x25a80000, 0xc430e1ab88, 0x479c02, 0x59dc7990)
/usr/local/go/src/runtime/slice.go:140 +0x23e fp=0xc430e1ab40 sp=0xc430e1aab8
git.tap4fun.com/platform-server/beats/libbeat/common/streambuf.(*Buffer).doAppend(0xc420642820, 0xc4405cc000, 0x4000, 0x4000, 0xc42062a101, 0xffffffffffffffff, 0x1, 0xffffffffffffffff)
/pf-dept/src/git.tap4fun.com/platform-server/beats/libbeat/common/streambuf/streambuf.go:143 +0x4ad fp=0xc430e1abd0 sp=0xc430e1ab40
git.tap4fun.com/platform-server/beats/libbeat/common/streambuf.(*Buffer).Append(0xc420642820, 0xc4405cc000, 0x4000, 0x4000, 0x4000, 0x0)
/pf-dept/src/git.tap4fun.com/platform-server/beats/libbeat/common/streambuf/streambuf.go:158 +0x57 fp=0xc430e1ac20 sp=0xc430e1abd0
git.tap4fun.com/platform-server/beats/filebeat/harvester/reader.(*Line).advance(0xc420140380, 0x9, 0x9)
/pf-dept/src/git.tap4fun.com/platform-server/beats/filebeat/harvester/reader/line.go:115 +0x160 fp=0xc430e1ace8 sp=0xc430e1ac20
git.tap4fun.com/platform-server/beats/filebeat/harvester/reader.(*Line).Next(0xc420140380, 0xa2b3a0, 0xc421cbb200, 0xc4202245e8, 0x77ad2d, 0xc420013100, 0xa2b3a0)
/pf-dept/src/git.tap4fun.com/platform-server/beats/filebeat/harvester/reader/line.go:57 +0x35 fp=0xc430e1ad70 sp=0xc430e1ace8
git.tap4fun.com/platform-server/beats/filebeat/harvester/reader.Encode.Next(0xc420140380, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x13, ...)
/pf-dept/src/git.tap4fun.com/platform-server/beats/filebeat/harvester/reader/encode.go:30 +0x5e fp=0xc430e1ae28 sp=0xc430e1ad70
git.tap4fun.com/platform-server/beats/filebeat/harvester/reader.(*StripNewline).Next(0xc42062a1c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc420224750, ...)
/pf-dept/src/git.tap4fun.com/platform-server/beats/filebeat/harvester/reader/strip_newline.go:16 +0x66 fp=0xc430e1aed0 sp=0xc430e1ae28
git.tap4fun.com/platform-server/beats/filebeat/harvester/reader.(*Timeout).Next.func1(0xc420124080)
/pf-dept/src/git.tap4fun.com/platform-server/beats/filebeat/harvester/reader/timeout.go:51 +0x52 fp=0xc430e1afd8 sp=0xc430e1aed0
runtime.goexit()
/usr/local/go/src/runtime/asm_amd64.s:2197 +0x1 fp=0xc430e1afe0 sp=0xc430e1afd8
created by git.tap4fun.com/platform-server/beats/filebeat/harvester/reader.(*Timeout).Next
/pf-dept/src/git.tap4fun.com/platform-server/beats/filebeat/harvester/reader/timeout.go:57 +0x24b
goroutine 1 [chan receive]:
git.tap4fun.com/platform-server/beats/filebeat/beater.(*Filebeat).Run(0xc420376d40, 0xc4201a6180, 0x0, 0x0)
/pf-dept/src/git.tap4fun.com/platform-server/beats/filebeat/beater/filebeat.go:138 +0xc1b
git.tap4fun.com/platform-server/beats/libbeat/beat.(*Beat).launch(0xc4201a6180, 0xb73558, 0x0, 0x0)
/pf-dept/src/git.tap4fun.com/platform-server/beats/libbeat/beat/beat.go:210 +0x706
git.tap4fun.com/platform-server/beats/libbeat/beat.Run(0xb4a0bd, 0x8, 0x0, 0x0, 0xb73558, 0xc4200001a0, 0xc4200001a0)
/pf-dept/src/git.tap4fun.com/platform-server/beats/libbeat/beat/beat.go:135 +0x65
main.main()
/app/filebeat/main.go:22 +0x57
goroutine 17 [syscall, 2 minutes, locked to thread]:
runtime.goexit()
/usr/local/go/src/runtime/asm_amd64.s:2197 +0x1
goroutine 23 [syscall, 2 minutes]:
os/signal.signal_recv(0x0)
/usr/local/go/src/runtime/sigqueue.go:116 +0x104
os/signal.loop()
/usr/local/go/src/os/signal/signal_unix.go:22 +0x22
created by os/signal.init.1
/usr/local/go/src/os/signal/signal_unix.go:28 +0x41
goroutine 7 [sleep]:
time.Sleep(0xb2d05e00)
/usr/local/go/src/runtime/time.go:59 +0xf9
git.tap4fun.com/platform-server/beats/libbeat/cfgfile.ClientMode(0x1000004d2, 0x0, 0x0, 0x0)
/pf-dept/src/git.tap4fun.com/platform-server/beats/libbeat/cfgfile/config_check.go:167 +0x2ff
created by git.tap4fun.com/platform-server/beats/libbeat/cfgfile.CheckConfigViaRPC
/pf-dept/src/git.tap4fun.com/platform-server/beats/libbeat/cfgfile/config_check.go:81 +0x1d2
goroutine 47 [IO wait]:
net.runtime_pollWait(0x7fe7788e90d0, 0x72, 0xe98400)
/usr/local/go/src/runtime/netpoll.go:164 +0x59
net.(*pollDesc).wait(0xc420218068, 0x72, 0xe926c8, 0xc425caa060)
/usr/local/go/src/net/fd_poll_runtime.go:75 +0x38
net.(*pollDesc).waitRead(0xc420218068, 0xffffffffffffffff, 0x0)
/usr/local/go/src/net/fd_poll_runtime.go:80 +0x34
net.(*netFD).accept(0xc420218000, 0x0, 0xe96500, 0xc425caa060)
/usr/local/go/src/net/fd_unix.go:430 +0x1e5
net.(*TCPListener).accept(0xc4201381d0, 0xc425ccc080, 0xa6dec0, 0xffffffffffffffff)
/usr/local/go/src/net/tcpsock_posix.go:136 +0x2e