redis/memtier_benchmark

NoSQL Redis and Memcache traffic generation and benchmarking tool.

Stars: 1.1k
Forks: 253
Open beginner issues: 0
Indexed issues: 46
Avg merge: 6h 52m
Merged PRs (30d): 8

Dominant language: C++
License: GPL-2.0
Last GitHub push: Sep 1, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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46 open issues indexed

libevent 2.1.12 4 KiB read cap depresses pipelined 1 KiB GET results Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

redis/memtier_benchmark#535 · 1 comment · Opened Sep 16, 2026
Uninitialized flags in setup_socket can disable TCP_NODELAY and cause ~41 ms TLS SET latency Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

redis/memtier_benchmark#534 · 1 comment · Opened Sep 10, 2026
Verify whether bufferevent_write is actually required for READONLY/CLIENT NO-TOUCH on discovered connections, or the original diagnosis was wrong Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

redis/memtier_benchmark#532 · 1 comment · Opened Aug 28, 2026
All CI test cells depend on a personal fork's availability (tests/test_requirements.txt -> fcostaoliveira/RLTest) Open

Difficulty 4/5 3-5 days Newbie friendliness 62/100

redis/memtier_benchmark#530 · Opened Aug 28, 2026
Investigate whether peer_client_has_any_setup_in_progress() gating on is_ready_for_reads() (not is_conn_setup_done()) can livelock read routing Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

redis/memtier_benchmark#529 · Opened Aug 28, 2026
Consider a generic --connection-setup-command flag instead of per-command booleans Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

redis/memtier_benchmark#528 · 2 comments · Opened Aug 27, 2026
Replayed requests can race ahead of the connection-setup ladder (AUTH/SELECT/HELLO/READONLY) after a reconnect Open

Difficulty 4/5 3-5 days Newbie friendliness 50/100

redis/memtier_benchmark#527 · 3 comments · Opened Aug 27, 2026
Support CLIENT NO-TOUCH as a connection-setup command Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

redis/memtier_benchmark#525 · Opened Aug 27, 2026
SIGABRT: m_pending_resp goes negative on multi-channel SUBSCRIBE/PSUBSCRIBE/UNSUBSCRIBE Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 58/100

redis/memtier_benchmark#515 · Opened Jul 31, 2026
Customers commonly exhaust AWS burst credits on Elasticache. Need to measure network, cpu and iops against ec2 instance limits. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

redis/memtier_benchmark#514 · Opened Jul 16, 2026
Only send HELLO when the server supports it (avoid breaking RESP2 against pre-6.0 servers) Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

redis/memtier_benchmark#488 · Opened Jun 24, 2026
Pre-existing latent hang in zipfian arbitrary-command path (test_zipfian_arbitrary_command_mixed_operations) under UBSan Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

redis/memtier_benchmark#482 · Opened Jun 17, 2026
run_stats: add unit-test scaffolding + revert PR #465 workarounds + add #463 regression marker Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

redis/memtier_benchmark#466 · Opened Jun 9, 2026
test harness: read-preference CI cell silently skips all tests Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

redis/memtier_benchmark#462 · 2 comments · Opened Jun 7, 2026
Dead `redis_protocol::write_command_readonly` passes wrong length (16 vs 18 bytes) Open

Difficulty 1/5 Under an hour Newbie friendliness 84/100

redis/memtier_benchmark#461 · Opened Jun 6, 2026
`m_resp3` flips at HELLO write-time, should flip on HELLO ack Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

redis/memtier_benchmark#460 · Opened Jun 6, 2026
RESP3 boolean type (`#t`/`#f`) not handled in IntegerMembership miss-tracking Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

redis/memtier_benchmark#459 · Opened Jun 6, 2026
RESP3 attribute (`|`) prefix pollutes reply mbulk tree Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

redis/memtier_benchmark#458 · Opened Jun 6, 2026
follow-up: monitor + keyless arbitrary read-pref improvements Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

redis/memtier_benchmark#457 · Opened Jun 5, 2026
Support multi-endpoint benchmarks for Redis Active-Active write/read testing Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

redis/memtier_benchmark#452 · Opened Jun 3, 2026
cluster_client: supervisor-abort path leaks partial cluster_client state (LSAN flag) Open

Difficulty 4/5 3-5 days Newbie friendliness 50/100

redis/memtier_benchmark#450 · Opened Jun 3, 2026
monitor-input: downstream c_str() re-truncates NUL bytes in arbitrary command dispatch Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

redis/memtier_benchmark#439 · Opened Jun 2, 2026
CLI-fuzz follow-ups: 17 crash/hang classes (11 share connection-stage retry-loop root cause) Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

redis/memtier_benchmark#426 · Opened Jun 1, 2026
Crash handler is not async-signal-safe (SA_ONSTACK set, sigaltstack never called) — truncates under corrupted-stack crashes Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

redis/memtier_benchmark#412 · Opened May 30, 2026
Audit: latent stack-allocation foot-guns (incl. HIGH-severity unbounded sscanf in memcached parser) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

redis/memtier_benchmark#406 · Opened May 30, 2026
memtier_benchmark rate-limiting oscillations on Amazon Linux 2023 Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

redis/memtier_benchmark#361 · Opened Apr 21, 2026
Support plain command-file input for arbitrary command corpora Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

redis/memtier_benchmark#359 · Opened Mar 21, 2026
The program will exit after about 50% running when key placeholder combined with other data Open

redis/memtier_benchmark#333 · 3 comments · 1 assignee · Opened Jan 28, 2026
When the speed limit parameter value is small, the startup error is reported Open

redis/memtier_benchmark#303 · 1 assignee · Opened Mar 31, 2025
Optimize latency data: remove the time when the benchmark generates data Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

redis/memtier_benchmark#292 · Opened Jan 9, 2025
When using memtier_benchmark version 2.1.2, a bug occurs where duplicate logs and incorrect data are occasionally printed. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

redis/memtier_benchmark#284 · 5 comments · Opened Dec 28, 2024
startup error ：void shard_connection::push_req(request*):Assertion 'm_request_per_cur_interval > 0 ' failed Open

bug

redis/memtier_benchmark#283 · 3 comments · 1 assignee · Opened Dec 28, 2024
When execute EVAL command in cluster mode, 'All Stats' output contains zeros for all the columns except 'Latency' Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

redis/memtier_benchmark#263 · 1 comment · Opened Aug 25, 2024
Add persistency to memtier - reconnect upon failure to connect to redis Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

redis/memtier_benchmark#252 · 2 reactions · Opened Apr 4, 2024
Running multiple commands with different types? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

redis/memtier_benchmark#244 · 2 comments · Opened Dec 5, 2023
arbitrary command with memcached Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

redis/memtier_benchmark#223 · 1 comment · Opened May 18, 2023
Large key-median value causes error even though it is between key-minimum and key-maximum Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

redis/memtier_benchmark#211 · Opened Apr 14, 2023
Bizarre benchmarking result while it generates TLS workloads to Redis Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

redis/memtier_benchmark#210 · Opened Mar 16, 2023
MacOS requires brew path for libssl Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

redis/memtier_benchmark#199 · Opened Dec 28, 2022
Handle `TRYAGAIN` in cluster mode Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

redis/memtier_benchmark#194 · Opened Oct 27, 2022
about to twemproxy Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

redis/memtier_benchmark#164 · 2 comments · Opened Oct 13, 2021
The latency is not accurate Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

redis/memtier_benchmark#126 · Opened May 14, 2020
Inline Help Does Not List Units For Data Size Open

Difficulty 1/5 Under an hour Newbie friendliness 48/100

redis/memtier_benchmark#123 · Opened Apr 26, 2020
memtier_benchmark doest not exit as expected Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

redis/memtier_benchmark#94 · 27 comments · Opened Oct 15, 2019
Sample file for --data-import Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

redis/memtier_benchmark#51 · 3 comments · Opened Apr 11, 2018
memtier crash with assertion failed for time bound heavy datasize tests Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

redis/memtier_benchmark#30 · Opened May 15, 2017

A short digest of beginner-friendly GitHub issues.