Crash while benchmarking

[buraksezer]

Reproduction steps:

1. Create a 10 nodes Olric cluster with docker-compose: docker-compose up --scale olric=10 olric
2. Run memtier_benchmark: memtier_benchmark -p 3320 --command="dm.put bench __key__ brk"

Some of the nodes crash during the test:

olric_8      | 2022/04/10 10:43:13 [DEBUG] memberlist: Stream connection from=172.20.0.2:37290
olric_2      | 2022/04/10 10:43:14 [DEBUG] memberlist: Stream connection from=172.20.0.2:39128
olric_7      | panic: interface conversion: interface {} is int, not uint64
olric_7      |
olric_7      | goroutine 3609 [running]:
olric_7      | github.com/buraksezer/olric/internal/kvstore.(*KVStore).makeTable(0xc000502540)
olric_7      | 	/src/internal/kvstore/kvstore.go:85 +0x265
olric_7      | github.com/buraksezer/olric/internal/kvstore.(*KVStore).Put(0xc000502540, 0xbbf97c?, {0xdc1098, 0xc0005011c0})
olric_7      | 	/src/internal/kvstore/kvstore.go:210 +0xba
olric_7      | github.com/buraksezer/olric/internal/dmap.(*DMap).putEntryOnFragment(0xc000500180?, 0xc0005af380?, {0xdc1098?, 0xc0005011c0?})
olric_7      | 	/src/internal/dmap/put.go:78 +0xb6
olric_7      | github.com/buraksezer/olric/internal/dmap.(*DMap).putOnCluster(0xc000500180, 0xc0005af380)
olric_7      | 	/src/internal/dmap/put.go:321 +0x3c5
olric_7      | github.com/buraksezer/olric/internal/dmap.(*DMap).put(0xc000500180, 0xc0005af380)
olric_7      | 	/src/internal/dmap/put.go:354 +0x2f2
olric_7      | github.com/buraksezer/olric/internal/dmap.(*Service).putCommandHandler(0xc000171320, {0xdc1cf0, 0xc000592c40}, {{0xc0000e37c0, 0x3a, 0x40}, {0xc0008474a0, 0x4, 0x4}})
olric_7      | 	/src/internal/dmap/put_handlers.go:62 +0x225
olric_7      | github.com/buraksezer/olric/internal/server.Handler.ServeRESP({0xc000195830?, 0xc0001956a0?}, {0xdc1cf0, 0xc000592c40}, {{0xc0000e37c0, 0x3a, 0x40}, {0xc0008474a0, 0x4, 0x4}})
olric_7      | 	/src/internal/server/handler.go:68 +0x264
olric_7      | github.com/buraksezer/olric/internal/server.(*ServeMux).ServeRESP(0xc0000105b8, {0xdc1cf0, 0xc000592c40}, {{0xc0000e37c0, 0x3a, 0x40}, {0xc0008474a0, 0x4, 0x4}})
olric_7      | 	/src/internal/server/mux.go:73 +0x368
olric_7      | github.com/tidwall/redcon.handle.func2(0xc000592c40, 0xc0001c1570)
olric_7      | 	/go/pkg/mod/github.com/tidwall/[email protected]/redcon.go:421 +0x212
olric_7      | github.com/tidwall/redcon.handle(0x0?, 0x0?)
olric_7      | 	/go/pkg/mod/github.com/tidwall/[email protected]/redcon.go:434 +0x78
olric_7      | created by github.com/tidwall/redcon.serve
olric_7      | 	/go/pkg/mod/github.com/tidwall/[email protected]/redcon.go:370 +0x5e5
olric_4      | 2022/04/10 10:43:14 [DEBUG] memberlist: Stream connection from=172.20.0.2:59996
olric_1      | 2022/04/10 10:43:14 [DEBUG] memberlist: Stream connection from=172.20.0.2:57542
olric_10     | 2022/04/10 10:43:14 [DEBUG] memberlist: Stream connection from=172.20.0.2:59050
docker_olric_7 exited with code 2


olric_10     | 2022/04/10 10:43:24 [DEBUG] memberlist: Stream connection from=172.20.0.2:59072
olric_8      | panic: interface conversion: interface {} is int, not uint64
olric_8      |
olric_8      | goroutine 180 [running]:
olric_8      | github.com/buraksezer/olric/internal/kvstore.(*KVStore).makeTable(0xc000a72b70)
olric_8      | 	/src/internal/kvstore/kvstore.go:85 +0x265
olric_8      | github.com/buraksezer/olric/internal/kvstore.(*KVStore).Put(0xc000a72b70, 0xbbf97c?, {0xdc1098, 0xc000a5ddc0})
olric_8      | 	/src/internal/kvstore/kvstore.go:210 +0xba
olric_8      | github.com/buraksezer/olric/internal/dmap.(*DMap).putEntryOnFragment(0xc000480000?, 0xc000ae3080?, {0xdc1098?, 0xc000a5ddc0?})
olric_8      | 	/src/internal/dmap/put.go:78 +0xb6
olric_8      | github.com/buraksezer/olric/internal/dmap.(*DMap).putOnCluster(0xc000480000, 0xc000ae3080)
olric_8      | 	/src/internal/dmap/put.go:321 +0x3c5
olric_8      | github.com/buraksezer/olric/internal/dmap.(*DMap).put(0xc000480000, 0xc000ae3080)
olric_8      | 	/src/internal/dmap/put.go:354 +0x2f2     
olric_8      | github.com/buraksezer/olric/internal/dmap.(*Service).putCommandHandler(0xc000276870, {0xdc1cf0, 0xc000522460}, {{0xc000b2d240, 0x3a, 0x40}, {0xc0018ee840, 0x4, 0x4}})
olric_8      | 	/src/internal/dmap/put_handlers.go:62 +0x225
olric_8      | github.com/buraksezer/olric/internal/server.Handler.ServeRESP({0xc0002059a0?, 0xc000205810?}, {0xdc1cf0, 0xc000522460}, {{0xc000b2d240, 0x3a, 0x40}, {0xc0018ee840, 0x4, 0x4}})
olric_8      | 	/src/internal/server/handler.go:68 +0x264              
olric_8      | github.com/buraksezer/olric/internal/server.(*ServeMux).ServeRESP(0xc000208060, {0xdc1cf0, 0xc000522460}, {{0xc000b2d240, 0x3a, 0x40}, {0xc0018ee840, 0x4, 0x4}})
olric_8      | 	/src/internal/server/mux.go:73 +0x368
olric_8      | github.com/tidwall/redcon.handle.func2(0xc000522460, 0xc0002d8150)
olric_8      | 	/go/pkg/mod/github.com/tidwall/[email protected]/redcon.go:421 +0x212
olric_8      | github.com/tidwall/redcon.handle(0xc0004a6000?, 0x0?)
olric_8      | 	/go/pkg/mod/github.com/tidwall/[email protected]/redcon.go:434 +0x78
olric_8      | created by github.com/tidwall/redcon.serve
olric_8      | 	/go/pkg/mod/github.com/tidwall/[email protected]/redcon.go:370 +0x5e5
olric_3      | 2022/04/10 10:43:24 [DEBUG] memberlist: Stream connection from=172.20.0.2:53638
olric_5      | 2022/04/10 10:43:24 [DEBUG] memberlist: Stream connection from=172.20.0.2:41720
olric_9      | 2022/04/10 10:43:24 [DEBUG] memberlist: Stream connection from=172.20.0.2:35484
docker_olric_8 exited with code 2

[buraksezer]

Done 888bb14