goroutine 9538827 [running]:
runtime/pprof.writeGoroutineStacks(0xb325a0, 0xc0004100e0, 0x0, 0x0)
	/usr/local/go/src/runtime/pprof/pprof.go:679 +0x9d
runtime/pprof.writeGoroutine(0xb325a0, 0xc0004100e0, 0x2, 0x40c1b6, 0xc0001242c0)
	/usr/local/go/src/runtime/pprof/pprof.go:668 +0x44
runtime/pprof.(*Profile).WriteTo(0xfe06e0, 0xb325a0, 0xc0004100e0, 0x2, 0xc0004100e0, 0xd)
	/usr/local/go/src/runtime/pprof/pprof.go:329 +0x3da
net/http/pprof.handler.ServeHTTP(0xc00013c041, 0x9, 0xb3c660, 0xc0004100e0, 0xc00035a400)
	/usr/local/go/src/net/http/pprof/pprof.go:245 +0x33a
net/http/pprof.Index(0xb3c660, 0xc0004100e0, 0xc00035a400)
	/usr/local/go/src/net/http/pprof/pprof.go:268 +0x6f1
net/http.HandlerFunc.ServeHTTP(0xa92cb8, 0xb3c660, 0xc0004100e0, 0xc00035a400)
	/usr/local/go/src/net/http/server.go:2007 +0x44
net/http.(*ServeMux).ServeHTTP(0xff48c0, 0xb3c660, 0xc0004100e0, 0xc00035a400)
	/usr/local/go/src/net/http/server.go:2387 +0x1bd
net/http.serverHandler.ServeHTTP(0xc000410000, 0xb3c660, 0xc0004100e0, 0xc00035a400)
	/usr/local/go/src/net/http/server.go:2802 +0xa4
net/http.(*conn).serve(0xc000132140, 0xb3e020, 0xc00055c000)
	/usr/local/go/src/net/http/server.go:1890 +0x875
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2927 +0x38e

goroutine 1 [IO wait]:
internal/poll.runtime_pollWait(0x7f1842fdcea8, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:184 +0x55
internal/poll.(*pollDesc).wait(0xc0001ba518, 0x72, 0x0, 0x0, 0xa644ae)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:92
internal/poll.(*FD).Accept(0xc0001ba500, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:384 +0x1f8
net.(*netFD).accept(0xc0001ba500, 0xc00042bc30, 0x71f964, 0xc0004100a0)
	/usr/local/go/src/net/fd_unix.go:238 +0x42
net.(*TCPListener).accept(0xc0001ab1e0, 0x66fdc9cb, 0xc00042bc30, 0x4b90f6)
	/usr/local/go/src/net/tcpsock_posix.go:139 +0x32
net.(*TCPListener).Accept(0xc0001ab1e0, 0xc00042bc80, 0x18, 0xc000000180, 0x71ee7e)
	/usr/local/go/src/net/tcpsock.go:261 +0x47
net/http.(*Server).Serve(0xc000410000, 0xb3c3a0, 0xc0001ab1e0, 0x0, 0x0)
	/usr/local/go/src/net/http/server.go:2896 +0x286
net/http.(*Server).ListenAndServe(0xc000410000, 0xc000410000, 0xa69f4c)
	/usr/local/go/src/net/http/server.go:2825 +0xb7
net/http.ListenAndServe(...)
	/usr/local/go/src/net/http/server.go:3080
main.main()
	/go/src/github.com/free/sql_exporter/cmd/sql_exporter/main.go:68 +0x7e5

goroutine 6 [chan receive]:
github.com/free/sql_exporter/vendor/github.com/golang/glog.(*loggingT).flushDaemon(0xff4be0)
	/go/src/github.com/free/sql_exporter/vendor/github.com/golang/glog/glog.go:882 +0x8b
created by github.com/free/sql_exporter/vendor/github.com/golang/glog.init.0
	/go/src/github.com/free/sql_exporter/vendor/github.com/golang/glog/glog.go:410 +0x26f

goroutine 19 [chan receive]:
github.com/free/sql_exporter/vendor/github.com/ClickHouse/clickhouse-go.init.0.func1()
	/go/src/github.com/free/sql_exporter/vendor/github.com/ClickHouse/clickhouse-go/bootstrap.go:50 +0x4b
created by github.com/free/sql_exporter/vendor/github.com/ClickHouse/clickhouse-go.init.0
	/go/src/github.com/free/sql_exporter/vendor/github.com/ClickHouse/clickhouse-go/bootstrap.go:47 +0x66

goroutine 22 [select, 433434 minutes]:
database/sql.(*DB).connectionOpener(0xc000438000, 0xb3e020, 0xc00010eb80)
	/usr/local/go/src/database/sql/sql.go:1052 +0xe8
created by database/sql.OpenDB
	/usr/local/go/src/database/sql/sql.go:722 +0x15d

goroutine 13 [IO wait, 2 minutes]:
internal/poll.runtime_pollWait(0x7f1842fdcdd8, 0x72, 0xffffffffffffffff)
	/usr/local/go/src/runtime/netpoll.go:184 +0x55
internal/poll.(*pollDesc).wait(0xc000354618, 0x72, 0x1000, 0x1000, 0xffffffffffffffff)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:92
internal/poll.(*FD).Read(0xc000354600, 0xc000422000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf
net.(*netFD).Read(0xc000354600, 0xc000422000, 0x1000, 0x1000, 0x0, 0x3030320000000000, 0xede8fc0c7)
	/usr/local/go/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc00000e128, 0xc000422000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:184 +0x68
net/http.(*connReader).Read(0xc00036a630, 0xc000422000, 0x1000, 0x1000, 0xc000021b00, 0xfa404c, 0x203000)
	/usr/local/go/src/net/http/server.go:785 +0xf4
bufio.(*Reader).fill(0xc000086f60)
	/usr/local/go/src/bufio/bufio.go:100 +0x103
bufio.(*Reader).ReadSlice(0xc000086f60, 0xa, 0x28, 0xc00042d9a8, 0x40c1b6, 0xc00035b100, 0x100)
	/usr/local/go/src/bufio/bufio.go:359 +0x3d
bufio.(*Reader).ReadLine(0xc000086f60, 0xc00042d9b0, 0xc00006c700, 0x7f184528d008, 0x0, 0x40ca28, 0x30)
	/usr/local/go/src/bufio/bufio.go:388 +0x34
net/textproto.(*Reader).readLineSlice(0xc0007ceed0, 0xc00035b100, 0xc000354600, 0x0, 0x0, 0x4313cc)
	/usr/local/go/src/net/textproto/reader.go:57 +0x6c
net/textproto.(*Reader).ReadLine(...)
	/usr/local/go/src/net/textproto/reader.go:38
net/http.readRequest(0xc000086f60, 0x0, 0xc00035b100, 0x0, 0x0)
	/usr/local/go/src/net/http/request.go:1012 +0x92
net/http.(*conn).readRequest(0xc0000c10e0, 0xb3e020, 0xc000021a80, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/http/server.go:965 +0x15f
net/http.(*conn).serve(0xc0000c10e0, 0xb3e020, 0xc000021a80)
	/usr/local/go/src/net/http/server.go:1817 +0x6d4
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2927 +0x38e

goroutine 23 [select, 433434 minutes]:
database/sql.(*DB).connectionResetter(0xc000438000, 0xb3e020, 0xc00010eb80)
	/usr/local/go/src/database/sql/sql.go:1065 +0xfb
created by database/sql.OpenDB
	/usr/local/go/src/database/sql/sql.go:723 +0x193

goroutine 9538828 [IO wait]:
internal/poll.runtime_pollWait(0x7f1842fdca98, 0x72, 0xffffffffffffffff)
	/usr/local/go/src/runtime/netpoll.go:184 +0x55
internal/poll.(*pollDesc).wait(0xc000354198, 0x72, 0x0, 0x1, 0xffffffffffffffff)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:92
internal/poll.(*FD).Read(0xc000354180, 0xc00034e6d1, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf
net.(*netFD).Read(0xc000354180, 0xc00034e6d1, 0x1, 0x1, 0xc000674050, 0xb3e0a0, 0xc0006e1740)
	/usr/local/go/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc00010a000, 0xc00034e6d1, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:184 +0x68
net/http.(*connReader).backgroundRead(0xc00034e6c0)
	/usr/local/go/src/net/http/server.go:677 +0x58
created by net/http.(*connReader).startBackgroundRead
	/usr/local/go/src/net/http/server.go:673 +0xd4