grep -A 10 -E 'syscall, [0-9][0-9][0-9][0-9]'

goroutine 168747677 [syscall, 58575 minutes]:
github.com/cockroachdb/cockroach/pkg/storage/engine._Cfunc_DBIterNext(0x7f5ce289a300, 0x7f5ce289a300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	_cgo_gotypes.go:867 +0x65
github.com/cockroachdb/cockroach/pkg/storage/engine.(*rocksDBIterator).Next.func1(0x7f5ce289a300, 0x1183f00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2116 +0xa6
github.com/cockroachdb/cockroach/pkg/storage/engine.(*rocksDBIterator).Next(0xc5f183ce70)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2116 +0x5a
github.com/cockroachdb/cockroach/pkg/storage/rditer.(*ReplicaDataIterator).Next(0xc583c77950)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/rditer/replica_data_iter.go:116 +0x34
github.com/cockroachdb/cockroach/pkg/storage.(*kvBatchSnapshotStrategy).Send(0xc601ee5020, 0x305ad00, 0xc6feec83c0, 0x7f5b46237e00, 0xc4ade47430, 0x12109, 0x12025, 0xc6feec8660, 0xc583c778b0, 0xc60430bd00, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/store_snapshot.go:172 +0xc9
--
goroutine 164751550 [syscall, 59542 minutes]:
github.com/cockroachdb/cockroach/pkg/storage/engine._Cfunc_DBDeleteIterRange(0x7f5a69810280, 0x7f5a6990a000, 0xc5ef88ebd0, 0x39, 0x0, 0x0, 0xc5ef88ecb0, 0x39, 0x0, 0x0, ...)
	_cgo_gotypes.go:537 +0x50
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange.func1(0x7f5a69810280, 0x7f5a6990a000, 0xc5ef88ebd0, 0x39, 0x0, 0x0, 0xc5ef88ecb0, 0x39, 0x0, 0x0, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0xe3
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange(0x7f5a69810280, 0x308dd40, 0xc42837f570, 0xc5ef88ebd0, 0x39, 0x70, 0x0, 0x0, 0xc5ef88ecb0, 0x39, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0x30a
github.com/cockroachdb/cockroach/pkg/storage/engine.(*rocksDBBatch).ClearIterRange(0xc6b00786c0, 0x308dd40, 0xc42837f570, 0xc5ef88ebd0, 0x39, 0x70, 0x0, 0x0, 0xc5ef88ecb0, 0x39, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:1680 +0xe2
github.com/cockroachdb/cockroach/pkg/storage.clearRangeData(0x305ad40, 0xc4547e8360, 0xc46a257aa0, 0x30701a0, 0xc4204c4900, 0x308c0c0, 0xc6b00786c0, 0xe25fe01, 0x0, 0x0)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/replica_raftstorage.go:731 +0x4d4
--
goroutine 164658248 [syscall, 59567 minutes]:
github.com/cockroachdb/cockroach/pkg/storage/engine._Cfunc_DBDeleteIterRange(0x7f5cf0c94500, 0x7f5cd47973c0, 0xc52b0907e0, 0x39, 0x0, 0x0, 0xc52b090850, 0x39, 0x0, 0x0, ...)
	_cgo_gotypes.go:537 +0x50
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange.func1(0x7f5cf0c94500, 0x7f5cd47973c0, 0xc52b0907e0, 0x39, 0x0, 0x0, 0xc52b090850, 0x39, 0x0, 0x0, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0xe3
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange(0x7f5cf0c94500, 0x308dd40, 0xc515425e30, 0xc52b0907e0, 0x39, 0x70, 0x0, 0x0, 0xc52b090850, 0x39, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0x30a
github.com/cockroachdb/cockroach/pkg/storage/engine.(*rocksDBBatch).ClearIterRange(0xc4c7043680, 0x308dd40, 0xc515425e30, 0xc52b0907e0, 0x39, 0x70, 0x0, 0x0, 0xc52b090850, 0x39, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:1680 +0xe2
github.com/cockroachdb/cockroach/pkg/storage.clearRangeData(0x305ad40, 0xc6ae2313b0, 0xc639b716e0, 0x30701a0, 0xc4204c4900, 0x308c0c0, 0xc4c7043680, 0x1a272801, 0x0, 0x0)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/replica_raftstorage.go:731 +0x4d4
--
goroutine 96259346 [syscall, 74637 minutes]:
github.com/cockroachdb/cockroach/pkg/storage/engine._Cfunc_DBDeleteIterRange(0x7f5ce416b280, 0x7f5aa7d51000, 0xc5976643c0, 0x34, 0x0, 0x0, 0xc5976644c0, 0x34, 0x0, 0x0, ...)
	_cgo_gotypes.go:537 +0x50
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange.func1(0x7f5ce416b280, 0x7f5aa7d51000, 0xc5976643c0, 0x34, 0x0, 0x0, 0xc5976644c0, 0x34, 0x0, 0x0, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0xe3
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange(0x7f5ce416b280, 0x308dd40, 0xc5f3734fc0, 0xc5976643c0, 0x34, 0x40, 0x0, 0x0, 0xc5976644c0, 0x34, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0x30a
github.com/cockroachdb/cockroach/pkg/storage/engine.(*rocksDBBatch).ClearIterRange(0xc5125da6c0, 0x308dd40, 0xc5f3734fc0, 0xc5976643c0, 0x34, 0x40, 0x0, 0x0, 0xc5976644c0, 0x34, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:1680 +0xe2
github.com/cockroachdb/cockroach/pkg/storage.clearRangeData(0x305ad40, 0xc73f46c360, 0xc593bbf2c0, 0x30701a0, 0xc4204c4900, 0x308c0c0, 0xc5125da6c0, 0x2ed4e301, 0x0, 0x0)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/replica_raftstorage.go:731 +0x4d4
--
goroutine 168370986 [syscall, 58687 minutes]:
github.com/cockroachdb/cockroach/pkg/storage/engine._Cfunc_DBDeleteIterRange(0x7f5a56cae380, 0x7f5b87976d80, 0xc4be7dea10, 0x39, 0x0, 0x0, 0xc4be7dea80, 0x39, 0x0, 0x0, ...)
	_cgo_gotypes.go:537 +0x50
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange.func1(0x7f5a56cae380, 0x7f5b87976d80, 0xc4be7dea10, 0x39, 0x0, 0x0, 0xc4be7dea80, 0x39, 0x0, 0x0, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0xe3
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange(0x7f5a56cae380, 0x308dd40, 0xc6ab02c7e0, 0xc4be7dea10, 0x39, 0x70, 0x0, 0x0, 0xc4be7dea80, 0x39, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0x30a
github.com/cockroachdb/cockroach/pkg/storage/engine.(*rocksDBBatch).ClearIterRange(0xc515c50000, 0x308dd40, 0xc6ab02c7e0, 0xc4be7dea10, 0x39, 0x70, 0x0, 0x0, 0xc4be7dea80, 0x39, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:1680 +0xe2
github.com/cockroachdb/cockroach/pkg/storage.clearRangeData(0x305ad40, 0xc5f03b8c60, 0xc49dbe16e0, 0x30701a0, 0xc4204c4900, 0x308c0c0, 0xc515c50000, 0x2b00ec01, 0x0, 0x0)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/replica_raftstorage.go:731 +0x4d4
--
goroutine 171590602 [syscall, 57407 minutes]:
github.com/cockroachdb/cockroach/pkg/storage/engine._Cfunc_DBDeleteIterRange(0x7f5ce3247180, 0x7f5ce33c2240, 0xc6302ebb90, 0x46, 0x0, 0x0, 0xc6302ebc20, 0x46, 0x0, 0x0, ...)
	_cgo_gotypes.go:537 +0x50
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange.func1(0x7f5ce3247180, 0x7f5ce33c2240, 0xc6302ebb90, 0x46, 0x0, 0x0, 0xc6302ebc20, 0x46, 0x0, 0x0, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0xe3
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange(0x7f5ce3247180, 0x308dd40, 0xc652c8a930, 0xc6302ebb90, 0x46, 0x90, 0x0, 0x0, 0xc6302ebc20, 0x46, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0x30a
github.com/cockroachdb/cockroach/pkg/storage/engine.(*rocksDBBatch).ClearIterRange(0xc482e48fc0, 0x308dd40, 0xc652c8a930, 0xc6302ebb90, 0x46, 0x90, 0x0, 0x0, 0xc6302ebc20, 0x46, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:1680 +0xe2
github.com/cockroachdb/cockroach/pkg/storage.clearRangeData(0x305ad40, 0xc5f6900db0, 0xc5642d2ae0, 0x30701a0, 0xc4204c4900, 0x308c0c0, 0xc482e48fc0, 0x27cdca01, 0x0, 0x0)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/replica_raftstorage.go:731 +0x4d4
--
goroutine 164789826 [syscall, 59531 minutes]:
github.com/cockroachdb/cockroach/pkg/storage/engine._Cfunc_DBDeleteIterRange(0x7f5cf0c94680, 0x7f5cf0ca70c0, 0xc4ba59dce0, 0x39, 0x0, 0x0, 0xc4ba59dd50, 0x39, 0x0, 0x0, ...)
	_cgo_gotypes.go:537 +0x50
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange.func1(0x7f5cf0c94680, 0x7f5cf0ca70c0, 0xc4ba59dce0, 0x39, 0x0, 0x0, 0xc4ba59dd50, 0x39, 0x0, 0x0, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0xe3
github.com/cockroachdb/cockroach/pkg/storage/engine.dbClearIterRange(0x7f5cf0c94680, 0x308dd40, 0xc4832a63f0, 0xc4ba59dce0, 0x39, 0x70, 0x0, 0x0, 0xc4ba59dd50, 0x39, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:2621 +0x30a
github.com/cockroachdb/cockroach/pkg/storage/engine.(*rocksDBBatch).ClearIterRange(0xc705030480, 0x308dd40, 0xc4832a63f0, 0xc4ba59dce0, 0x39, 0x70, 0x0, 0x0, 0xc4ba59dd50, 0x39, ...)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/engine/rocksdb.go:1680 +0xe2
github.com/cockroachdb/cockroach/pkg/storage.clearRangeData(0x305ad40, 0xc428de9c50, 0xc4258a6d80, 0x30701a0, 0xc4204c4900, 0x308c0c0, 0xc705030480, 0x1d356a01, 0x0, 0x0)
	/go/src/github.com/cockroachdb/cockroach/pkg/storage/replica_raftstorage.go:731 +0x4d4