---> uname -a: Linux prd-queue-disttest-2c-1g-46704 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.7G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 693 5461 4 2076 7248 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:3d:6d:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80751sec preferred_lft 80751sec inet6 fe80::f816:3eff:fe3d:6df4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-46704) 09/02/26 _x86_64_ (2 CPU) 00:33:27 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.41 0.01 1.40 0.00 0.05 16.36 0.35 01:00:10 3.86 0.70 2.85 0.30 93.65 203.96 118.23 01:10:00 7.80 0.40 5.97 1.44 33.65 439.02 1031.17 01:20:01 1.32 0.00 1.30 0.01 0.01 15.95 1.56 01:30:10 1.74 0.00 1.70 0.04 0.00 20.22 2.18 01:40:00 1.38 0.00 1.37 0.02 0.00 15.78 1.59 01:50:02 1.39 0.00 1.38 0.02 0.00 15.92 1.73 02:00:00 15.53 0.00 1.72 13.81 0.15 20.64 108045.89 Average: 4.29 0.14 2.20 1.95 16.06 93.00 13615.54 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5700916 7496780 288680 3.55 63584 1909212 528412 5.76 405564 1744732 124 01:00:10 5658744 7493060 291376 3.58 65120 1945524 529648 5.77 417484 1771952 132 01:10:00 5655176 7487768 294040 3.62 71176 1935504 530956 5.78 424652 1762332 188 01:20:01 5670064 7503280 278412 3.42 71344 1935952 570296 6.21 430868 1762824 240 01:30:10 5657780 7491512 290200 3.57 71508 1936280 531096 5.78 424912 1763320 132 01:40:00 5658208 7492408 289300 3.56 71648 1936604 531096 5.78 425012 1763784 124 01:50:02 5657348 7492012 289700 3.56 71788 1936928 531096 5.78 424816 1764248 240 02:00:00 5652072 7487328 294308 3.62 72016 1937284 531096 5.78 425032 1764804 44 Average: 5663788 7493018 289502 3.56 69773 1934161 535462 5.83 422292 1762250 153 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 2.68 0.13 0.40 0.10 0.00 0.00 0.00 0.00 01:00:10 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 2.38 0.87 3.96 0.39 0.00 0.00 0.00 0.00 01:10:00 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 01:10:00 ens3 10.76 5.88 56.97 1.87 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.00 0.12 0.16 0.08 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.45 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.62 0.12 0.13 0.07 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.21 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.41 0.03 0.05 0.01 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.30 0.90 7.61 0.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-46704) 09/02/26 _x86_64_ (2 CPU) 00:33:27 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.25 0.00 0.09 0.01 0.01 99.64 00:50:00 0 0.44 0.00 0.06 0.01 0.00 99.49 00:50:00 1 0.07 0.00 0.12 0.02 0.01 99.79 01:00:10 all 1.20 0.00 0.32 0.05 0.01 98.42 01:00:10 0 0.48 0.00 0.32 0.08 0.00 99.12 01:00:10 1 1.92 0.00 0.33 0.02 0.01 97.73 01:10:00 all 4.67 0.00 0.67 0.18 0.01 94.47 01:10:00 0 3.82 0.00 0.67 0.08 0.01 95.42 01:10:00 1 5.52 0.00 0.68 0.28 0.01 93.51 01:20:01 all 0.29 0.00 0.12 0.01 0.01 99.57 01:20:01 0 0.10 0.00 0.14 0.01 0.01 99.75 01:20:01 1 0.49 0.00 0.10 0.01 0.00 99.40 01:30:10 all 0.27 0.00 0.21 0.01 0.00 99.50 01:30:10 0 0.14 0.00 0.25 0.00 0.00 99.60 01:30:10 1 0.40 0.00 0.18 0.02 0.00 99.40 01:40:00 all 0.26 0.00 0.08 0.01 0.00 99.64 01:40:00 0 0.46 0.00 0.04 0.01 0.00 99.49 01:40:00 1 0.06 0.00 0.12 0.01 0.01 99.80 01:50:02 all 0.29 0.00 0.08 0.01 0.00 99.62 01:50:02 0 0.52 0.00 0.03 0.00 0.00 99.44 01:50:02 1 0.05 0.00 0.14 0.01 0.01 99.80 02:00:00 all 0.27 0.00 0.21 0.04 0.01 99.48 02:00:00 0 0.32 0.00 0.19 0.07 0.00 99.42 02:00:00 1 0.22 0.00 0.22 0.02 0.01 99.53 Average: all 0.93 0.00 0.22 0.04 0.01 98.80 Average: 0 0.78 0.00 0.21 0.03 0.01 98.97 Average: 1 1.08 0.00 0.24 0.05 0.01 98.63