v4.0.0 Alpha.1

[gkorland]

What's New

• Bolt protocol by @AviAvni in Bolt protocol #6
• Vector indexing Capabilities by @swilly22 in Add vector index capabilities #3

Bug Fixes

• String join overflow by @swilly22 in String join overflow #50

Full Changelog: https://github.com/FalkorDB/FalkorDB/commits/v4.0.0-a1

---

This discussion was created from the release v4.0.0 Alpha.1.

[stefanak-michal]

Hi. @AviAvni How did you test bolt protocol implementation? It doesn't feel like it works.

Just by trying to connect sometimes it kills the FalkorDB with long error log. Or by running parametrized query.

C:\Users\stefa>docker run -p 6379:6379 -p 7687:7687 -p 3000:3000 -it -e REDIS_ARGS="--requirepass falkordb" -e FALKORDB_ARGS="BOLT_PORT 7687" --rm falkordb/falkordb:latest
1:C 18 Feb 2026 14:02:15.041 * oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
1:C 18 Feb 2026 14:02:15.041 * Redis version=8.2.3, bits=64, commit=00000000, modified=1, pid=1, just started
1:C 18 Feb 2026 14:02:15.041 * Configuration loaded
1:M 18 Feb 2026 14:02:15.042 * monotonic clock: POSIX clock_gettime
                _._
           _.-``__ ''-._
      _.-``    `.  `_.  ''-._           Redis Open Source
  .-`` .-```.  ```\/    _.,_ ''-._      8.2.3 (00000000/1) 64 bit
 (    '      ,       .-`  | `,    )     Running in standalone mode
 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379
 |    `-._   `._    /     _.-'    |     PID: 1
  `-._    `-._  `-./  _.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |           https://redis.io
  `-._    `-._`-.__.-'_.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |
  `-._    `-._`-.__.-'_.-'    _.-'
      `-._    `-.__.-'    _.-'
          `-._        _.-'
              `-.__.-'

1:M 18 Feb 2026 14:02:15.046 * <graph> GraphBLAS JIT restrict to pre-jit kernels
1:M 18 Feb 2026 14:02:15.047 * <graph> Enabled role change notification
1:M 18 Feb 2026 14:02:15.047 * <graph> Starting up FalkorDB version 4.16.3.
1:M 18 Feb 2026 14:02:15.049 * <graph> Thread pool created, using 24 threads.
1:M 18 Feb 2026 14:02:15.049 * <graph> Maximum number of OpenMP threads set to 24
1:M 18 Feb 2026 14:02:15.049 * <graph> Query backlog size: 1000
1:M 18 Feb 2026 14:02:15.049 * <module> Bolt protocol initialized. Port: 7687
1:M 18 Feb 2026 14:02:15.049 * Module 'graph' loaded from /var/lib/falkordb/bin/falkordb.so
1:M 18 Feb 2026 14:02:15.049 * Server initialized
1:M 18 Feb 2026 14:02:15.049 * Ready to accept connections tcp
   ▲ Next.js 15.5.10
   - Local:        http://localhost:3000
   - Network:      http://0.0.0.0:3000

 ✓ Starting...
 ✓ Ready in 77ms


=== REDIS BUG REPORT START: Cut & paste starting from here ===
1:M 18 Feb 2026 14:02:18.570 # Redis 8.2.3 crashed by signal: 11, si_code: 1
1:M 18 Feb 2026 14:02:18.570 # Accessing address: 0x1000077ae
1:M 18 Feb 2026 14:02:18.570 # Crashed running the instruction at: 0x77ae4d44ea04

------ STACK TRACE ------
EIP:
/lib/x86_64-linux-gnu/libc.so.6(+0x152a04)[0x77ae4d44ea04]

30 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

14 thread-pool-0
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x1caaa4b)[0x77ae4c00aa4b]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

34 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

27 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

29 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

28 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

32 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

26 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

22 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

20 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

23 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

1 redis-server *
/lib/x86_64-linux-gnu/libc.so.6(+0x3c050)[0x77ae4d338050]
/lib/x86_64-linux-gnu/libc.so.6(+0x152a04)[0x77ae4d44ea04]
/var/lib/falkordb/bin/falkordb.so(buffer_read_uint16+0x27)[0x77ae4a5b9c27]
/var/lib/falkordb/bin/falkordb.so(BoltReadHandler+0x8e)[0x77ae4a5b8b2e]
redis-server *:6379(aeMain+0x101)[0x58549bd7f711]
redis-server *:6379(main+0x4a6)[0x58549bd79a16]
/lib/x86_64-linux-gnu/libc.so.6(+0x2724a)[0x77ae4d32324a]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85)[0x77ae4d323305]
redis-server *:6379(_start+0x21)[0x58549bd7b391]

43 bio_close_file
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
redis-server *:6379(bioProcessBackgroundJobs+0x2fb)[0x58549be73afb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

37 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

44 bio_aof
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
redis-server *:6379(bioProcessBackgroundJobs+0x2fb)[0x58549be73afb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

36 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

41 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

39 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

40 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

33 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

31 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

17 redis-server
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_timedwait+0x21c)[0x77ae4d3848bc]
/var/lib/falkordb/bin/falkordb.so(+0x266278)[0x77ae4a5c6278]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

18 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

35 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

45 bio_lazy_free
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
redis-server *:6379(bioProcessBackgroundJobs+0x2fb)[0x58549be73afb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

15 thread-pool-0
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x1caaa4b)[0x77ae4c00aa4b]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

19 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

25 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

24 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

21 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

38 thread-pool-thr
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x33c8fb)[0x77ae4a69c8fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

42 redis-server
/lib/x86_64-linux-gnu/libc.so.6(+0x85f16)[0x77ae4d381f16]
/lib/x86_64-linux-gnu/libc.so.6(pthread_cond_wait+0x1e8)[0x77ae4d3845d8]
/var/lib/falkordb/bin/falkordb.so(+0x2a92d0)[0x77ae4a6092d0]
/lib/x86_64-linux-gnu/libc.so.6(+0x891f5)[0x77ae4d3851f5]
/lib/x86_64-linux-gnu/libc.so.6(__clone+0x40)[0x77ae4d404b40]

32/32 expected stacktraces.

------ STACK TRACE DONE ------

------ REGISTERS ------
1:M 18 Feb 2026 14:02:18.580 #
RAX:00007ffc2591f056 RBX:0000000000000000
RCX:000077ae4ce5eabc RDX:0000000000000002
RDI:00007ffc2591f056 RSI:00000001000077ae
RBP:00007ffc2591f070 RSP:00007ffc2591f048
R8 :0000000000000000 R9 :0000000000000000
R10:0000000000000000 R11:0000000000000246
R12:000077ae4ce48600 R13:fffffffffffffffc
R14:0000000000000000 R15:0000000000000003
RIP:000077ae4d44ea04 EFL:0000000000010202
CSGSFS:002b000000000033
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f057) -> 0000000000000003
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f056) -> 0000000000000000
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f055) -> 0000000000000008
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f054) -> 000077ae4ce320e0
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f053) -> 00007ffc2591f120
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f052) -> 00000000000001a0
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f051) -> 00005854d70aab10
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f050) -> 0fc632c39b544c00
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f04f) -> 0000000000000000
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f04e) -> 0000000200000001
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f04d) -> 000077ae4ce48638
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f04c) -> 000077ae4a5b8b2e
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f04b) -> 00007ffc2591f070
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f04a) -> 0fc632c39b544c00
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f049) -> 000000000000000d
1:M 18 Feb 2026 14:02:18.580 # (00007ffc2591f048) -> 000077ae4a5b9c27

------ INFO OUTPUT ------
# Server
redis_version:8.2.3
redis_git_sha1:00000000
redis_git_dirty:1
redis_build_id:a04aaf496ec7d96e
redis_mode:standalone
os:Linux 6.6.87.2-microsoft-standard-WSL2 x86_64
arch_bits:64
monotonic_clock:POSIX clock_gettime
multiplexing_api:epoll
atomicvar_api:c11-builtin
gcc_version:12.2.0
process_id:1
process_supervised:no
run_id:b8c6738dacaac87225ee6c5affa74d74b595dccf
tcp_port:6379
server_time_usec:1771423338570822
uptime_in_seconds:3
uptime_in_days:0
hz:10
configured_hz:10
lru_clock:9815658
executable:/var/lib/falkordb/redis-server
config_file:
io_threads_active:0
listener0:name=tcp,bind=*,bind=-::*,port=6379

# Clients
connected_clients:0
cluster_connections:0
maxclients:10000
client_recent_max_input_buffer:0
client_recent_max_output_buffer:0
blocked_clients:0
tracking_clients:0
pubsub_clients:0
watching_clients:0
clients_in_timeout_table:0
total_watched_keys:0
total_blocking_keys:0
total_blocking_keys_on_nokey:0

# Memory
used_memory:2580496
used_memory_human:2.46M
used_memory_rss:21430272
used_memory_rss_human:20.44M
used_memory_peak:2580496
used_memory_peak_human:2.46M
used_memory_peak_time:1771423338
used_memory_peak_perc:100.07%
used_memory_overhead:2632544
used_memory_startup:2565792
used_memory_dataset:18446744073709499568
used_memory_dataset_perc:125453915951988736.00%
allocator_allocated:3546656
allocator_active:3764224
allocator_resident:10067968
allocator_muzzy:0
total_system_memory:16466993152
total_system_memory_human:15.34G
used_memory_lua:32768
used_memory_vm_eval:32768
used_memory_lua_human:32.00K
used_memory_scripts_eval:0
number_of_cached_scripts:0
number_of_functions:0
number_of_libraries:0
used_memory_vm_functions:33792
used_memory_vm_total:66560
used_memory_vm_total_human:65.00K
used_memory_functions:192
used_memory_scripts:192
used_memory_scripts_human:192B
maxmemory:0
maxmemory_human:0B
maxmemory_policy:noeviction
allocator_frag_ratio:1.05
allocator_frag_bytes:141536
allocator_rss_ratio:2.67
allocator_rss_bytes:6303744
rss_overhead_ratio:2.13
rss_overhead_bytes:11362304
mem_fragmentation_ratio:8.35
mem_fragmentation_bytes:18864336
mem_not_counted_for_evict:0
mem_replication_backlog:0
mem_total_replication_buffers:0
mem_replica_full_sync_buffer:0
mem_clients_slaves:0
mem_clients_normal:0
mem_cluster_links:0
mem_aof_buffer:0
mem_allocator:jemalloc-5.3.0
mem_overhead_db_hashtable_rehashing:0
active_defrag_running:0
lazyfree_pending_objects:0
lazyfreed_objects:0

# Persistence
loading:0
async_loading:0
current_cow_peak:0
current_cow_size:0
current_cow_size_age:0
current_fork_perc:0.00
current_save_keys_processed:0
current_save_keys_total:0
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1771423335
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
rdb_saves:0
rdb_last_cow_size:0
rdb_last_load_keys_expired:0
rdb_last_load_keys_loaded:0
aof_enabled:0
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:-1
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok
aof_rewrites:0
aof_rewrites_consecutive_failures:0
aof_last_write_status:ok
aof_last_cow_size:0
module_fork_in_progress:0
module_fork_last_cow_size:0

# Threads
io_thread_0:clients=0,reads=0,writes=0

# Stats
total_connections_received:0
total_commands_processed:0
instantaneous_ops_per_sec:0
total_net_input_bytes:0
total_net_output_bytes:0
total_net_repl_input_bytes:0
total_net_repl_output_bytes:0
instantaneous_input_kbps:0.00
instantaneous_output_kbps:0.00
instantaneous_input_repl_kbps:0.00
instantaneous_output_repl_kbps:0.00
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_subkeys:0
expired_keys:0
expired_stale_perc:0.00
expired_time_cap_reached_count:0
expire_cycle_cpu_milliseconds:0
evicted_keys:0
evicted_clients:0
evicted_scripts:0
total_eviction_exceeded_time:0
current_eviction_exceeded_time:0
keyspace_hits:0
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
pubsubshard_channels:0
latest_fork_usec:0
total_forks:0
migrate_cached_sockets:0
slave_expires_tracked_keys:0
active_defrag_hits:0
active_defrag_misses:0
active_defrag_key_hits:0
active_defrag_key_misses:0
total_active_defrag_time:0
current_active_defrag_time:0
tracking_total_keys:0
tracking_total_items:0
tracking_total_prefixes:0
unexpected_error_replies:0
total_error_replies:0
dump_payload_sanitizations:0
total_reads_processed:0
total_writes_processed:0
io_threaded_reads_processed:0
io_threaded_writes_processed:0
io_threaded_total_prefetch_batches:0
io_threaded_total_prefetch_entries:0
client_query_buffer_limit_disconnections:0
client_output_buffer_limit_disconnections:0
reply_buffer_shrinks:0
reply_buffer_expands:0
eventloop_cycles:39
eventloop_duration_sum:5606
eventloop_duration_cmd_sum:0
instantaneous_eventloop_cycles_per_sec:9
instantaneous_eventloop_duration_usec:160
acl_access_denied_auth:0
acl_access_denied_cmd:0
acl_access_denied_key:0
acl_access_denied_channel:0

# Replication
role:master
connected_slaves:0
master_failover_state:no-failover
master_replid:6244b75b79d29a808862d1dc2f9e44f18a52fa8e
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0

# CPU
used_cpu_sys:0.018792
used_cpu_user:0.023490
used_cpu_sys_children:0.001459
used_cpu_user_children:0.000000
used_cpu_sys_main_thread:0.014257
used_cpu_user_main_thread:0.023762

# Modules
module:name=graph,ver=41603,api=1,filters=0,usedby=[],using=[],options=[]
module:name=vectorset,ver=1,api=1,filters=0,usedby=[],using=[],options=[handle-io-errors|handle-repl-async-load]

# Commandstats

# Errorstats

# Latencystats

# Cluster
cluster_enabled:0

# Keyspace

# Keysizes

------ CLIENT LIST OUTPUT ------

------ MODULES INFO OUTPUT ------
# graph_executing commands

------ CONFIG DEBUG OUTPUT ------
slave-read-only yes
proto-max-bulk-len 512mb
replica-read-only yes
lazyfree-lazy-expire no
activedefrag no
io-threads 1
lazyfree-lazy-eviction no
lazyfree-lazy-server-del no
client-query-buffer-limit 1gb
repl-diskless-sync yes
list-compress-depth 0
lazyfree-lazy-user-flush no
sanitize-dump-payload no
lazyfree-lazy-user-del no
repl-diskless-load disabled

------ FAST MEMORY TEST ------
1:M 18 Feb 2026 14:02:18.580 # Bio worker thread #0 terminated
1:M 18 Feb 2026 14:02:18.580 # Bio worker thread #1 terminated
1:M 18 Feb 2026 14:02:18.580 # Bio worker thread #2 terminated
*** Preparing to test memory region 58549c0df000 (2318336 bytes)
*** Preparing to test memory region 5854d7098000 (401408 bytes)
*** Preparing to test memory region 77ae2c000000 (135168 bytes)
*** Preparing to test memory region 77ae34000000 (135168 bytes)
*** Preparing to test memory region 77ae393e4000 (8388608 bytes)
*** Preparing to test memory region 77ae39be5000 (8388608 bytes)
*** Preparing to test memory region 77ae3a3e6000 (8388608 bytes)
*** Preparing to test memory region 77ae3abe7000 (8388608 bytes)
*** Preparing to test memory region 77ae3b3e8000 (8388608 bytes)
*** Preparing to test memory region 77ae3bbe9000 (8388608 bytes)
*** Preparing to test memory region 77ae3c3ea000 (8388608 bytes)
*** Preparing to test memory region 77ae3cbeb000 (8388608 bytes)
*** Preparing to test memory region 77ae3d3ec000 (8388608 bytes)
*** Preparing to test memory region 77ae3dbed000 (8388608 bytes)
*** Preparing to test memory region 77ae3e3ee000 (8388608 bytes)
*** Preparing to test memory region 77ae3ebef000 (8388608 bytes)
*** Preparing to test memory region 77ae3f3f0000 (8388608 bytes)
*** Preparing to test memory region 77ae3fbf1000 (8388608 bytes)
*** Preparing to test memory region 77ae403f2000 (8388608 bytes)
*** Preparing to test memory region 77ae40bf3000 (8388608 bytes)
*** Preparing to test memory region 77ae413f4000 (8388608 bytes)
*** Preparing to test memory region 77ae41bf5000 (8388608 bytes)
*** Preparing to test memory region 77ae423f6000 (8388608 bytes)
*** Preparing to test memory region 77ae42bf7000 (8388608 bytes)
*** Preparing to test memory region 77ae433f8000 (8388608 bytes)
*** Preparing to test memory region 77ae43bf9000 (8388608 bytes)
*** Preparing to test memory region 77ae443fa000 (8388608 bytes)
*** Preparing to test memory region 77ae44bfb000 (8388608 bytes)
*** Preparing to test memory region 77ae453fc000 (8388608 bytes)
*** Preparing to test memory region 77ae45bfd000 (8388608 bytes)
*** Preparing to test memory region 77ae463fe000 (8388608 bytes)
*** Preparing to test memory region 77ae46bfe000 (2097152 bytes)
*** Preparing to test memory region 77ae46dff000 (8388608 bytes)
*** Preparing to test memory region 77ae47600000 (8388608 bytes)
*** Preparing to test memory region 77ae47e00000 (2097152 bytes)
*** Preparing to test memory region 77ae480dd000 (8388608 bytes)
*** Preparing to test memory region 77ae488de000 (8388608 bytes)
*** Preparing to test memory region 77ae490df000 (8388608 bytes)
*** Preparing to test memory region 77ae498e0000 (8388608 bytes)
*** Preparing to test memory region 77ae4a0e0000 (2621440 bytes)
*** Preparing to test memory region 77ae4c5fd000 (12288 bytes)
*** Preparing to test memory region 77ae4c600000 (12582912 bytes)
*** Preparing to test memory region 77ae4d2d5000 (20480 bytes)
*** Preparing to test memory region 77ae4d2fa000 (8192 bytes)
*** Preparing to test memory region 77ae4d4d1000 (53248 bytes)
*** Preparing to test memory region 77ae4d963000 (12288 bytes)
*** Preparing to test memory region 77ae4dc26000 (12288 bytes)
*** Preparing to test memory region 77ae4dd0b000 (8192 bytes)
.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O
Fast memory test PASSED, however your memory can still be broken. Please run a memory test for several hours if possible.

------ DUMPING CODE AROUND EIP ------
Symbol: (null) (base: (nil))
Module: /lib/x86_64-linux-gnu/libc.so.6 (base 0x77ae4d2fc000)
$ xxd -r -p /tmp/dump.hex /tmp/dump.bin
$ objdump --adjust-vma=(nil) -D -b binary -m i386:x86-64 /tmp/dump.bin
------

=== REDIS BUG REPORT END. Make sure to include from START to END. ===

[AviAvni]

it is experimental no ready for production
https://github.com/FalkorDB/FalkorDB/blob/master/tests/flow/test_bolt.py