---> uname -a: Linux prd-queue-disttest-2c-1g-47249 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 7.9G 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 698 5436 4 2094 7243 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:81:2a:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80750sec preferred_lft 80750sec inet6 fe80::f816:3eff:fe81:2a87/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-47249) 09/04/26 _x86_64_ (2 CPU) 00:35:52 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 1.36 0.03 1.32 0.01 1.24 16.07 0.56 01:00:01 3.21 0.07 2.37 0.76 8.39 70.63 4056.11 01:10:24 7.00 0.63 5.67 0.70 65.81 526.17 537.20 01:20:24 1.36 0.00 1.36 0.00 0.01 15.71 0.01 01:30:01 1.52 0.00 1.51 0.01 0.00 17.67 219.10 01:40:14 1.38 0.01 1.36 0.00 0.59 16.27 0.04 01:50:24 1.22 0.00 1.22 0.00 0.00 14.83 0.00 02:00:01 1.44 0.00 1.42 0.01 0.00 17.15 219.34 Average: 2.33 0.10 2.05 0.19 9.83 89.28 627.36 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 5701200 7502372 283780 3.49 62904 1915472 528792 5.76 459872 1694488 212 01:00:01 5664276 7424788 360240 4.43 65776 1871304 571656 6.23 501616 1653092 44696 01:10:24 5639908 7489168 293044 3.60 72204 1951360 722400 7.87 485288 1723948 184 01:20:24 5643716 7493472 288732 3.55 72372 1951684 722400 7.87 485368 1724440 184 01:30:01 5634428 7484804 297288 3.66 72492 1952148 722400 7.87 485448 1724892 284 01:40:14 5618300 7469348 312744 3.85 72648 1952648 722404 7.87 485688 1725432 160 01:50:24 5626536 7478068 303972 3.74 72800 1952976 722536 7.87 485868 1725904 188 02:00:01 5625840 7477872 304144 3.74 72940 1953304 722536 7.87 485872 1726380 280 Average: 5644276 7477486 305493 3.76 70517 1937612 679390 7.40 484378 1712322 5774 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 3.40 0.24 0.78 0.18 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 2.07 1.01 3.88 0.41 0.00 0.00 0.00 0.00 01:10:24 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 01:10:24 ens3 9.58 5.40 26.11 1.51 0.00 0.00 0.00 0.00 01:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 0.93 0.09 0.17 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.36 0.10 0.10 0.06 0.00 0.00 0.00 0.00 01:40:14 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 0.35 0.12 0.11 0.06 0.00 0.00 0.00 0.00 01:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 0.41 0.14 0.14 0.09 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.18 0.05 0.04 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 2.21 0.92 4.04 0.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-47249) 09/04/26 _x86_64_ (2 CPU) 00:35:52 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 0.27 0.00 0.08 0.01 0.00 99.63 00:50:04 0 0.11 0.00 0.11 0.01 0.00 99.76 00:50:04 1 0.44 0.00 0.06 0.00 0.00 99.50 01:00:01 all 1.41 0.00 0.32 0.04 0.01 98.23 01:00:01 0 0.30 0.00 0.32 0.02 0.01 99.36 01:00:01 1 2.51 0.00 0.33 0.06 0.01 97.10 01:10:24 all 3.67 0.00 0.54 0.14 0.00 95.65 01:10:24 0 2.84 0.00 0.59 0.19 0.00 96.38 01:10:24 1 4.49 0.00 0.49 0.09 0.00 94.92 01:20:24 all 0.21 0.00 0.08 0.01 0.00 99.70 01:20:24 0 0.05 0.00 0.09 0.01 0.00 99.85 01:20:24 1 0.37 0.00 0.06 0.02 0.00 99.55 01:30:01 all 0.27 0.00 0.16 0.01 0.00 99.56 01:30:01 0 0.28 0.00 0.17 0.00 0.00 99.54 01:30:01 1 0.26 0.00 0.15 0.01 0.00 99.57 01:40:14 all 0.28 0.00 0.08 0.01 0.00 99.63 01:40:14 0 0.37 0.00 0.08 0.00 0.00 99.54 01:40:14 1 0.18 0.00 0.08 0.01 0.00 99.72 01:50:24 all 0.25 0.00 0.08 0.01 0.00 99.65 01:50:24 0 0.05 0.00 0.11 0.00 0.00 99.84 01:50:24 1 0.46 0.00 0.06 0.01 0.00 99.47 02:00:01 all 0.28 0.00 0.17 0.03 0.00 99.52 02:00:01 0 0.06 0.00 0.17 0.00 0.00 99.77 02:00:01 1 0.50 0.00 0.16 0.06 0.00 99.28 Average: all 0.85 0.00 0.19 0.03 0.00 98.93 Average: 0 0.52 0.00 0.21 0.03 0.00 99.24 Average: 1 1.17 0.00 0.17 0.03 0.00 98.62