goroutine 6701990 [running]:
runtime/pprof.writeGoroutineStacks(0xb325a0, 0xc000874000, 0x0, 0x0)
	/usr/local/go/src/runtime/pprof/pprof.go:679 +0x9d
runtime/pprof.writeGoroutine(0xb325a0, 0xc000874000, 0x2, 0x40c1b6, 0xc0000da160)
	/usr/local/go/src/runtime/pprof/pprof.go:668 +0x44
runtime/pprof.(*Profile).WriteTo(0xfe06e0, 0xb325a0, 0xc000874000, 0x2, 0xc000874000, 0xd)
	/usr/local/go/src/runtime/pprof/pprof.go:329 +0x3da
net/http/pprof.handler.ServeHTTP(0xc00034c071, 0x9, 0xb3c660, 0xc000874000, 0xc000136000)
	/usr/local/go/src/net/http/pprof/pprof.go:245 +0x33a
net/http/pprof.Index(0xb3c660, 0xc000874000, 0xc000136000)
	/usr/local/go/src/net/http/pprof/pprof.go:268 +0x6f1
net/http.HandlerFunc.ServeHTTP(0xa92cb8, 0xb3c660, 0xc000874000, 0xc000136000)
	/usr/local/go/src/net/http/server.go:2007 +0x44
net/http.(*ServeMux).ServeHTTP(0xff48c0, 0xb3c660, 0xc000874000, 0xc000136000)
	/usr/local/go/src/net/http/server.go:2387 +0x1bd
net/http.serverHandler.ServeHTTP(0xc0003dc000, 0xb3c660, 0xc000874000, 0xc000136000)
	/usr/local/go/src/net/http/server.go:2802 +0xa4
net/http.(*conn).serve(0xc0004303c0, 0xb3e020, 0xc000676040)
	/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(0x7f96cd755010, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:184 +0x55
internal/poll.(*pollDesc).wait(0xc00012ea18, 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(0xc00012ea00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:384 +0x1f8
net.(*netFD).accept(0xc00012ea00, 0xc000409c30, 0x71f964, 0xc0003dc0a0)
	/usr/local/go/src/net/fd_unix.go:238 +0x42
net.(*TCPListener).accept(0xc0003da060, 0x66876f4d, 0xc000409c30, 0x4b90f6)
	/usr/local/go/src/net/tcpsock_posix.go:139 +0x32
net.(*TCPListener).Accept(0xc0003da060, 0xc000409c80, 0x18, 0xc000000180, 0x71ee7e)
	/usr/local/go/src/net/tcpsock.go:261 +0x47
net/http.(*Server).Serve(0xc0003dc000, 0xb3c3a0, 0xc0003da060, 0x0, 0x0)
	/usr/local/go/src/net/http/server.go:2896 +0x286
net/http.(*Server).ListenAndServe(0xc0003dc000, 0xc0003dc000, 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 18 [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 20 [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 25 [IO wait]:
internal/poll.runtime_pollWait(0x7f96cd754f40, 0x72, 0xffffffffffffffff)
	/usr/local/go/src/runtime/netpoll.go:184 +0x55
internal/poll.(*pollDesc).wait(0xc00012ea98, 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(0xc00012ea80, 0xc0003c5000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf
net.(*netFD).Read(0xc00012ea80, 0xc0003c5000, 0x1000, 0x1000, 0x7f96cf9bd008, 0xba0, 0x7f96cd5ae648)
	/usr/local/go/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc0000cc370, 0xc0003c5000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:184 +0x68
net/http.(*connReader).Read(0xc0003d83f0, 0xc0003c5000, 0x1000, 0x1000, 0x44539c, 0x403b74, 0x6c9d600203000)
	/usr/local/go/src/net/http/server.go:785 +0xf4
bufio.(*Reader).fill(0xc0000cf680)
	/usr/local/go/src/bufio/bufio.go:100 +0x103
bufio.(*Reader).ReadSlice(0xc0000cf680, 0xa, 0x7f96cd40d658, 0xc0008cb9a8, 0x40c1b6, 0xc0007ae200, 0x100)
	/usr/local/go/src/bufio/bufio.go:359 +0x3d
bufio.(*Reader).ReadLine(0xc0000cf680, 0xc0008cb9b0, 0xc0004bc000, 0x7f96cf9bd008, 0x0, 0x40ca28, 0x30)
	/usr/local/go/src/bufio/bufio.go:388 +0x34
net/textproto.(*Reader).readLineSlice(0xc000506060, 0xc0007ae200, 0xc00012ea80, 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(0xc0000cf680, 0x0, 0xc0007ae200, 0x0, 0x0)
	/usr/local/go/src/net/http/request.go:1012 +0x92
net/http.(*conn).readRequest(0xc00013c640, 0xb3e020, 0xc0000a5b80, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/http/server.go:965 +0x15f
net/http.(*conn).serve(0xc00013c640, 0xb3e020, 0xc0000a5b80)
	/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 35 [select, 304557 minutes]:
database/sql.(*DB).connectionOpener(0xc00040a000, 0xb3e020, 0xc0003386c0)
	/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 36 [select, 304557 minutes]:
database/sql.(*DB).connectionResetter(0xc00040a000, 0xb3e020, 0xc0003386c0)
	/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 6701991 [IO wait]:
internal/poll.runtime_pollWait(0x7f96cd754b30, 0x72, 0xffffffffffffffff)
	/usr/local/go/src/runtime/netpoll.go:184 +0x55
internal/poll.(*pollDesc).wait(0xc00014c098, 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(0xc00014c080, 0xc0007a00a1, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf
net.(*netFD).Read(0xc00014c080, 0xc0007a00a1, 0x1, 0x1, 0x1001080, 0x1001090, 0x1001080)
	/usr/local/go/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc00011a000, 0xc0007a00a1, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:184 +0x68
net/http.(*connReader).backgroundRead(0xc0007a0090)
	/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