@naman Here is just a cut and paste from the terminal .
I1007 11:08:45.725185 20 log.go:34] [3] [E] LOG Compact 4->5 (1, 9 → 10 tables with 3 splits). [550032 . 550057 550058 549946 549957 549936 549939 549948 549732 549792 .] → [550063 550070 550072 550064 550067 550071 550066 550074 550075 550076 .], took 2.44s
I1007 11:08:45.881801 20 log.go:34] L0 was stalled for 3.987s
I1007 11:08:46.540285 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 2 → 1 tables with 1 splits). [549779 . 550060 549764 .] → [550095 .], took 2.148s
I1007 11:08:48.323989 20 log.go:34] [3] [E] LOG Compact 5->6 (1, 5 → 2 tables with 2 splits). [549795 . 547199 547189 547215 547221 549836 .] → [550105 550100 .], took 2.541s
I1007 11:08:50.330013 20 log.go:34] [1] [E] LOG Compact 5->6 (1, 1 → 1 tables with 1 splits). [550104 . 549983 .] → [550125 .], took 2.277s
I1007 11:08:51.028618 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 5 → 2 tables with 2 splits). [549929 . 545756 545766 545699 545811 545824 .] → [550124 550115 .], took 4.488s
I1007 11:08:52.064273 20 log.go:34] [3] [E] LOG Compact 4->5 (1, 3 → 4 tables with 1 splits). [550073 . 549858 549912 549922 .] → [550130 550132 550133 550134 .], took 2.035s
I1007 11:08:52.807305 20 log.go:34] [0] [E] LOG Compact 5->6 (1, 4 → 2 tables with 2 splits). [549852 . 549965 549374 547205 547218 .] → [550135 550129 .], took 2.807s
I1007 11:08:55.186895 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 2 → 1 tables with 1 splits). [549903 . 550123 549879 .] → [550148 .], took 2.39s
I1007 11:08:55.193260 20 log.go:34] [3] [E] LOG Compact 5->6 (1, 2 → 1 tables with 1 splits). [550134 . 546992 546997 .] → [550147 .], took 3.11s
I1007 11:08:55.656507 20 log.go:34] [0] [E] LOG Compact 0->3 (15, 15 → 24 tables with 5 splits). [550051 550097 550099 550102 550107 550109 550110 550111 550118 550119 550120 550122 550126 550127 550128 . 550084 550085 550083 550089 550090 550094 550077 550082 550092 550093 550078 550086 550087 550081 550088 .] → [550140 550143 550149 550155 550158 550159 550163 550164 550138 550151 550152 550141 550153 550157 550162 550139 550146 550150 550144 550145 550154 550156 550160 550161 .], took 2.777s
I1007 11:08:55.681596 20 log.go:34] L0 was stalled for 4.663s
I1007 11:08:55.848489 20 log.go:34] [1] [E] LOG Compact 5->6 (1, 6 → 3 tables with 2 splits). [550053 . 550125 549964 545821 545818 545823 550121 .] → [550137 550165 550142 .], took 5.478s
I1007 11:09:00.427821 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 2 → 1 tables with 1 splits). [550167 . 549460 549463 .] → [550211 .], took 2.175s
I1007 11:09:00.443277 20 log.go:34] [3] [E] LOG Compact 5->6 (1, 1 → 1 tables with 1 splits). [549906 . 547521 .] → [550210 .], took 2.22s
I1007 11:09:02.475199 20 log.go:34] [0] [E] LOG Compact 0->3 (15, 17 → 22 tables with 5 splits). [550131 550171 550174 550177 550181 550187 550196 550197 550199 550200 550201 550202 550204 550205 550206 . 550140 550149 550163 550164 550138 550151 550152 550141 550153 550157 550162 550139 550146 550150 550144 550145 550154 .] → [550214 550220 550228 550233 550237 550238 550213 550215 550217 550223 550224 550216 550229 550235 550236 550212 550218 550221 550222 550225 550219 550226 .], took 2.02s
I1007 11:09:02.508535 20 log.go:34] L0 was stalled for 3.036s
I1007 11:09:03.826118 20 log.go:34] [3] [E] LOG Compact 4->5 (1, 10 → 12 tables with 4 splits). [550170 . 550052 550063 550070 550072 550064 550067 550071 550066 550074 550075 .] → [550239 550242 550250 550251 550227 550230 550231 550234 550244 550245 550240 550241 .], took 3.324s
I1007 11:09:03.993887 20 log.go:34] [1] [E] LOG Compact 5->6 (1, 2 → 2 tables with 1 splits). [549875 . 547604 549686 .] → [550208 550247 .], took 6.426s
I1007 11:09:04.233536 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 5 → 3 tables with 2 splits). [549985 . 550211 549457 541139 546529 546534 .] → [550252 550254 550232 .], took 3.732s
I1007 11:09:07.795970 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 2 → 1 tables with 1 splits). [549989 . 550232 546602 .] → [550277 .], took 3.434s
I1007 11:09:09.597680 20 log.go:34] [3] [E] LOG Compact 5->6 (1, 1 → 1 tables with 1 splits). [550241 . 550280 .] → [550284 .], took 2.198s
I1007 11:09:10.742841 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 5 → 2 tables with 2 splits). [550186 . 550169 546984 546993 544891 544897 .] → [550292 550285 .], took 2.842s
I1007 11:09:10.929402 20 log.go:34] [1] [E] LOG Compact 4->5 (1, 2 → 2 tables with 1 splits). [550173 . 550267 550269 .] → [550286 550293 .], took 3.779s
I1007 11:09:11.413999 20 log.go:34] [0] [E] LOG Compact 5->6 (1, 7 → 5 tables with 3 splits). [550103 . 550068 550069 550041 545608 545625 545626 550137 .] → [550283 550294 550289 550288 550290 .], took 6.045s
I1007 11:09:13.305924 20 log.go:34] L0 was stalled for 5.866s
I1007 11:09:13.537357 20 log.go:34] [0] [E] LOG Compact 0->3 (15, 15 → 22 tables with 5 splits). [550207 550246 550255 550259 550260 550261 550264 550266 550268 550271 550273 550275 550276 550278 550279 . 550215 550217 550223 550224 550216 550229 550235 550236 550212 550218 550221 550222 550225 550219 550226 .] → [550307 550308 550315 550320 550321 550324 550326 550327 550306 550309 550310 550305 550311 550312 550302 550313 550316 550323 550303 550304 550318 550319 .], took 2.101s
I1007 11:09:13.585414 20 log.go:34] [1] [E] LOG Compact 5->6 (1, 6 → 2 tables with 2 splits). [550132 . 546868 547370 546686 546712 546714 546689 .] → [550314 550328 .], took 2.641s
I1007 11:09:14.261396 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 6 → 2 tables with 2 splits). [550190 . 549927 549909 545609 545619 545620 550281 .] → [550337 550335 .], took 2.044s
I1007 11:09:16.894458 20 log.go:34] [3] [E] LOG Compact 5->6 (1, 6 → 2 tables with 2 splits). [550191 . 550285 544913 544890 544918 544919 545804 .] → [550358 550363 .], took 2.488s
I1007 11:09:18.429385 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 6 → 2 tables with 2 splits). [550130 . 550129 547224 546935 546979 546953 550314 .] → [550377 550374 .], took 2.193s
I1007 11:09:19.591037 20 log.go:34] [1] [E] LOG Compact 5->6 (1, 5 → 2 tables with 2 splits). [550183 . 550328 546725 546732 546972 550301 .] → [550382 550380 .], took 3.015s
I1007 11:09:20.191058 20 log.go:34] [3] [E] LOG Compact 5->6 (1, 3 → 2 tables with 1 splits). [550182 . 550335 549924 549928 .] → [550383 550387 .], took 2.021s
I1007 11:09:20.386750 20 log.go:34] [0] [E] LOG Compact 5->6 (1, 4 → 4 tables with 2 splits). [550166 . 550124 550136 545800 550252 .] → [550381 550385 550367 550370 .], took 5.481s
I1007 11:09:20.794928 20 log.go:34] [2] [E] LOG Compact 5->6 (1, 5 → 3 tables with 2 splits). [550185 . 550359 545036 545048 549940 550337 .] → [550384 550388 550389 .], took 2.35s
I1007 11:09:21.377409 20 log.go:34] L0 was stalled for 3.263s
I1007 11:09:22.693416 20 log.go:34] [1] [E] LOG Compact 5->6 (1, 2 → 1 tables with 1 splits). [550270 . 547536 550210 .] → [550423 .], took 2.62s
I1007 11:09:27.809298 20 log.go:34] [2] [E] LOG Compact 4->5 (1, 7 → 13 tables with 3 splits). [550437 . 550322 550330 550331 550317 550329 550332 550455 .] → [550473 550479 550482 550486 550488 550471 550472 550474 550477 550480 550481 550470 550475 .], took 2.334s
I1007 11:09:28.738771 20 log.go:34] [0] [E] LOG Compact 4->5 (1, 4 → 6 tables with 2 splits). [550443 . 550456 550461 550366 550357 .] → [550487 550492 550495 550496 550483 550485 .], took 2.413s
I1007 11:09:30.109150 20 log.go:34] L0 was stalled for 4.647s
I1007 11:09:30.211382 20 log.go:34] [3] [E] LOG Compact 5->6 (1, 4 → 7 tables with 2 splits). [550286 . 550203 550209 550208 550247 .] → [550476 550489 550493 550500 550518 550490 550499 .], took 5.045s
I1007 11:09:32.305203 20 log.go:34] [0] [E] LOG Compact 4->5 (1, 8 → 10 tables with 3 splits). [550510 . 550333 550334 550487 550492 550495 550496 550483 550485 .] → [550524 550528 550535 550541 550542 550529 550539 550546 550525 550526 .], took 2.075s
I1007 11:09:33.237853 20 log.go:34] [3] [E] LOG Compact 4->5 (1, 8 → 6 tables with 3 splits). [550515 . 550394 550445 550444 550462 550463 550457 550371 550378 .] → [550544 550548 550555 550536 550537 550532 .], took 2.754s
I1007 11:09:37.817001 20 log.go:34] [0] [E] LOG Compact 0->4 (12, 9 → 13 tables with 3 splits). [550469 550527 550530 550534 550545 550547 550549 550554 550560 550564 550567 550571 . 550508 550520 550514 550507 550503 550509 550511 550512 550504 .] → [550580 550577 550585 550592 550594 550578 550579 550590 550595 550596 550581 550587 550588 .], took 2.31s
panic: runtime error: makeslice: len out of range
goroutine 18694554 [running]:
github.com/dgraph-io/badger/v3.(*levelsController).fillTables(0xc0001ce1c0, 0xc015aa1780, 0xc000044000)
/go/pkg/mod/github.com/dgraph-io/badger/v3@v3.0.0-20210916095630-2a9a524b649b/levels.go:1387 +0x453
github.com/dgraph-io/badger/v3.(*levelsController).doCompact(0xc0001ce1c0, 0x0, 0x4, 0x4002e9161999999a, 0x3ffe0e3a62014f9c, 0x0, 0x0, 0x0, 0x4, 0xc00a2d6180, …)
/go/pkg/mod/github.com/dgraph-io/badger/v3@v3.0.0-20210916095630-2a9a524b649b/levels.go:1529 +0x91e
github.com/dgraph-io/badger/v3.(*levelsController).runCompactor.func2(0x4, 0x4002e9161999999a, 0x3ffe0e3a62014f9c, 0x0, 0x0, 0x0, 0x4, 0xc00a2d6180, 0x7, 0x7, …)
/go/pkg/mod/github.com/dgraph-io/badger/v3@v3.0.0-20210916095630-2a9a524b649b/levels.go:466 +0x7a
github.com/dgraph-io/badger/v3.(*levelsController).runCompactor.func3(0xc015aa1f30)
/go/pkg/mod/github.com/dgraph-io/badger/v3@v3.0.0-20210916095630-2a9a524b649b/levels.go:489 +0x158
github.com/dgraph-io/badger/v3.(*levelsController).runCompactor(0xc0001ce1c0, 0x0, 0xc066005ce0)
/go/pkg/mod/github.com/dgraph-io/badger/v3@v3.0.0-20210916095630-2a9a524b649b/levels.go:518 +0x362
created by github.com/dgraph-io/badger/v3.(*levelsController).startCompact
/go/pkg/mod/github.com/dgraph-io/badger/v3@v3.0.0-20210916095630-2a9a524b649b/levels.go:355 +0x89
[Sentry] 2021/10/07 11:09:38 Sending fatal event [48f03d04713045c2a14f76585c4306ad] to o318308.ingest.sentry.io project: 5208688
[Sentry] 2021/10/07 11:09:38 Buffer flushed successfully.