# Benchmarks fail to run; AssertTrue failing and many files not found errors

**URL:** <https://discuss.dgraph.io/t/benchmarks-fail-to-run-asserttrue-failing-and-many-files-not-found-errors/15467>\
**Category:** Badger\
**Created:** [September 2, 2021, 11:56pm UTC](https://discuss.dgraph.io/t/benchmarks-fail-to-run-asserttrue-failing-and-many-files-not-found-errors/15467 "2021-09-02T23:56:23Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![odeke-em](https://yyz1.discourse-cdn.com/flex007/user_avatar/discuss.dgraph.io/odeke-em/32/1572_2.png) [@odeke-em](https://discuss.dgraph.io/u/odeke-em)\
**Post date:** [September 2, 2021, 11:56pm UTC](https://discuss.dgraph.io/t/benchmarks-fail-to-run-asserttrue-failing-and-many-files-not-found-errors/15467/1 "2021-09-02T23:56:23Z")

</div>

### What version of Go are you using (`go version`)?

```
$ go version
go1.17 and above
```

### What operating system are you using?

Darwin AMD64 and Linux AMD64

### What version of Badger are you using?

Latest at master

### Does this issue reproduce with the latest master?

Yes

### Steps to Reproduce the issue

Run: go test -run=^$ -bench=. ./…

### What Badger options were set?

Irrelevant

### What did you do?

Ran go test -run=^$ -bench=. ./…

### What did you expect to see?

Benchmarks running successfully

### What did you see instead?

Failures such as at [https://dashboard.github.orijtech.com/benchmark/d206b261e034432ea90062f7d05298f3](https://dashboard.github.orijtech.com/benchmark/d206b261e034432ea90062f7d05298f3)

 ![Screen Shot 2021-09-02 at 4.55.35 PM](https://canada1.discourse-cdn.com/flex007/uploads/dgraph/original/2X/a/ad6a0b7baac9feb5fd1c4a39db7910cee12b2382.png)

or inlined below

```shell
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 266MB
Badger DB Size = 266MB
Badger DB Size = 266MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 138MB
Badger DB Size = 266MB
Badger DB Size = 266MB
Badger DB Size = 266MB
Badger DB Size = 266MB
Badger DB Size = 271MB
Badger DB Size = 271MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 266MB
Badger DB Size = 266MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 266MB
Badger DB Size = 266MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 266MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 261MB
Badger DB Size = 266MB
Badger DB Size = 266MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 133MB
Badger DB Size = 4MB
goos: darwin
goarch: amd64
pkg: github.com/dgraph-io/badger/v3
cpu: Intel(R) Core(TM) i7-7920HQ CPU @ 3.10GHz
BenchmarkDbGrowth-8 1	2662133998 ns/op
BenchmarkIteratePrefixSingleKey/Key_lookups-8 20538 60202 ns/op
--- BENCH: BenchmarkIteratePrefixSingleKey/Key_lookups-8
    iterator_test.go:389: Inner b.N: 1
    iterator_test.go:389: Inner b.N: 100
    iterator_test.go:389: Inner b.N: 10000
    iterator_test.go:389: Inner b.N: 20538
--- FAIL: BenchmarkReadWrite/0.1,0064
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.2,0064
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.5,0064
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/1.0,0064-8 1681110 679.4 ns/op
--- FAIL: BenchmarkReadWrite/0.1,0128
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.2,0128
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.5,0128
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/1.0,0128-8 1693291 821.5 ns/op
--- FAIL: BenchmarkReadWrite/0.1,0256
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.2,0256
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/0.5,0256-8 --- FAIL: BenchmarkReadWrite/0.5,0256-8
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/1.0,0256-8 1444701 838.2 ns/op
--- FAIL: BenchmarkReadWrite/0.1,0512
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/0.2,0512-8 --- FAIL: BenchmarkReadWrite/0.2,0512-8
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/0.5,0512-8 --- FAIL: BenchmarkReadWrite/0.5,0512-8
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/1.0,0512-8 1000000 1028 ns/op
--- FAIL: BenchmarkReadWrite/0.1,1024
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.2,1024
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/0.5,1024-8 --- FAIL: BenchmarkReadWrite/0.5,1024-8
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/1.0,1024-8 730362 1599 ns/op
--- FAIL: BenchmarkReadWrite/0.1,2048
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.2,2048
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/0.5,2048-8 --- FAIL: BenchmarkReadWrite/0.5,2048-8
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/1.0,2048-8 728871 1619 ns/op
--- FAIL: BenchmarkReadWrite/0.1,4096
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.2,4096
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/0.5,4096-8 --- FAIL: BenchmarkReadWrite/0.5,4096-8
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/1.0,4096-8 810337 1443 ns/op
--- FAIL: BenchmarkReadWrite/0.1,8192
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.2,8192
    value_test.go:999: Benchmark Read: file with ID: 0 not found
--- FAIL: BenchmarkReadWrite/0.5,8192
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/1.0,8192-8 608974 3093 ns/op
--- FAIL: BenchmarkReadWrite/0.1,16384
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/0.2,16384-8 --- FAIL: BenchmarkReadWrite/0.2,16384-8
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/0.5,16384-8 --- FAIL: BenchmarkReadWrite/0.5,16384-8
    value_test.go:999: Benchmark Read: file with ID: 0 not found
BenchmarkReadWrite/1.0,16384-8 413230 5424 ns/op
--- FAIL: BenchmarkReadWrite
FAIL
exit status 1
FAIL	github.com/dgraph-io/badger/v3	24.698s
? github.com/dgraph-io/badger/v3/badger	[no test files]
PASS
ok github.com/dgraph-io/badger/v3/badger/cmd	0.185s
? github.com/dgraph-io/badger/v3/fb	[no test files]
? github.com/dgraph-io/badger/v3/integration/testgc	[no test files]
? github.com/dgraph-io/badger/v3/options	[no test files]
PASS
ok github.com/dgraph-io/badger/v3/pb	0.125s
goos: darwin
goarch: amd64
pkg: github.com/dgraph-io/badger/v3/skl
cpu: Intel(R) Core(TM) i7-7920HQ CPU @ 3.10GHz
BenchmarkReadWrite/frac_0-8 3406040 592.4 ns/op
BenchmarkReadWrite/frac_1-8 3862806 538.2 ns/op
BenchmarkReadWrite/frac_2-8 3675747 449.2 ns/op
BenchmarkReadWrite/frac_3-8 4236542 439.5 ns/op
BenchmarkReadWrite/frac_4-8 4333861 481.5 ns/op
BenchmarkReadWrite/frac_5-8 4962127 437.8 ns/op
BenchmarkReadWrite/frac_6-8 4705632 391.7 ns/op
BenchmarkReadWrite/frac_7-8 5508822 381.5 ns/op
BenchmarkReadWrite/frac_8-8 6713448 371.4 ns/op
BenchmarkReadWrite/frac_9-8 9627369 286.1 ns/op
BenchmarkReadWrite/frac_10-8 75438462 19.25 ns/op
BenchmarkReadWriteMap/frac_0-8 2072919 619.9 ns/op
BenchmarkReadWriteMap/frac_1-8 2122689 659.0 ns/op
BenchmarkReadWriteMap/frac_2-8 2581789 550.6 ns/op
BenchmarkReadWriteMap/frac_3-8 2666620 579.6 ns/op
BenchmarkReadWriteMap/frac_4-8 2620176 459.6 ns/op
BenchmarkReadWriteMap/frac_5-8 3492739 466.9 ns/op
BenchmarkReadWriteMap/frac_6-8 3408771 429.2 ns/op
BenchmarkReadWriteMap/frac_7-8 3092889 381.4 ns/op
BenchmarkReadWriteMap/frac_8-8 3651278 388.6 ns/op
BenchmarkReadWriteMap/frac_9-8 5022050 316.3 ns/op
BenchmarkReadWriteMap/frac_10-8 27253212 45.83 ns/op
BenchmarkWrite-8 2539417 485.4 ns/op
BenchmarkSortedWrites/builder-8 14127122 81.66 ns/op
BenchmarkSortedWrites/skiplist-8 2876838 428.7 ns/op
BenchmarkSortedWrites/buffer-8 11663541 96.54 ns/op
PASS
ok github.com/dgraph-io/badger/v3/skl	57.185s
goos: darwin
goarch: amd64
pkg: github.com/dgraph-io/badger/v3/table
cpu: Intel(R) Core(TM) i7-7920HQ CPU @ 3.10GHz
BenchmarkBuilder/no_compression-8 6 178909954 ns/op 465.04 MB/s
BenchmarkBuilder/encryption-8 5 202071472 ns/op 411.74 MB/s
BenchmarkBuilder/zstd_compression/level_1-8 5 218277258 ns/op 381.17 MB/s
BenchmarkBuilder/zstd_compression/level_3-8 5 233518275 ns/op 356.29 MB/s
BenchmarkBuilder/zstd_compression/level_15-8 5 210951725 ns/op 394.40 MB/s
2021/09/02 16:55:40 Assert failed
github.com/dgraph-io/badger/v3/y.AssertTrue
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/y/error.go:55
github.com/dgraph-io/badger/v3/table.(*Table).blockCacheKey
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/table/table.go:664
github.com/dgraph-io/badger/v3/table.(*Table).block
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/table/table.go:567
github.com/dgraph-io/badger/v3/table.(*Iterator).seekToLast
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/table/iterator.go:240
github.com/dgraph-io/badger/v3/table.(*Iterator).Rewind
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/table/iterator.go:417
github.com/dgraph-io/badger/v3/table.(*Table).initBiggestAndSmallest
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/table/table.go:433
github.com/dgraph-io/badger/v3/table.OpenTable
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/table/table.go:332
github.com/dgraph-io/badger/v3/table.CreateTable
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/table/table.go:270
github.com/dgraph-io/badger/v3/table.getTableForBenchmarks
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/table/table_test.go:858
github.com/dgraph-io/badger/v3/table.BenchmarkRead
	/Users/emmanuelodeke/go/src/github.com/dgraph-io/badger/table/table_test.go:706
testing.(*B).runN
	/Users/emmanuelodeke/go/src/go.googlesource.com/go/src/testing/benchmark.go:192
testing.(*B).run1.func1
	/Users/emmanuelodeke/go/src/go.googlesource.com/go/src/testing/benchmark.go:232
runtime.goexit
	/Users/emmanuelodeke/go/src/go.googlesource.com/go/src/runtime/asm_amd64.s:1446
exit status 1
FAIL	github.com/dgraph-io/badger/v3/table	12.762s
PASS
ok github.com/dgraph-io/badger/v3/trie	0.154s
goos: darwin
goarch: amd64
pkg: github.com/dgraph-io/badger/v3/y
cpu: Intel(R) Core(TM) i7-7920HQ CPU @ 3.10GHz
BenchmarkBuffer/bytes-buffer-8 947842 1128 ns/op
BenchmarkBuffer/page-buffer/page-size-1024-8 4220737 413.0 ns/op
PASS
ok github.com/dgraph-io/badger/v3/y	3.591s
FAIL

```

---

<div class="post-metadata">

**Author:** ![Naman](https://yyz1.discourse-cdn.com/flex007/user_avatar/discuss.dgraph.io/naman/32/3498_2.png) [@Naman](https://discuss.dgraph.io/u/Naman)\
**Post date:** [September 10, 2021, 2:32pm UTC](https://discuss.dgraph.io/t/benchmarks-fail-to-run-asserttrue-failing-and-many-files-not-found-errors/15467/2 "2021-09-10T14:32:44Z")

</div>

Thanks for reporting this. It should be fixed by [https://github.com/dgraph-io/badger/pull/1741](https://github.com/dgraph-io/badger/pull/1741)

---

<div class="post-metadata">

**Author:** ![Naman](https://yyz1.discourse-cdn.com/flex007/user_avatar/discuss.dgraph.io/naman/32/3498_2.png) [@Naman](https://discuss.dgraph.io/u/Naman)\
**Post date:** [September 15, 2021, 5:45am UTC](https://discuss.dgraph.io/t/benchmarks-fail-to-run-asserttrue-failing-and-many-files-not-found-errors/15467/3 "2021-09-15T05:45:27Z")

</div>