---> uname -a: Linux prd-queue-disttest-2c-1g-40219 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 nrip_save 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 7.8G 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 706 5436 4 2086 7235 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:4e:3d:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80938sec preferred_lft 80938sec inet6 fe80::f816:3eff:fe4e:3db5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-40219) 08/23/26 _x86_64_ (2 CPU) 00:32:51 LINUX RESTART (2 CPU) 00:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:12 1.20 0.01 1.19 0.00 0.05 14.60 0.35 01:00:12 22.83 1.09 6.67 15.07 127.82 562.98 109427.95 01:10:12 1.22 0.00 1.21 0.01 0.00 14.23 0.08 01:20:12 1.29 0.00 1.27 0.02 0.01 15.39 0.15 01:30:10 1.53 0.00 1.49 0.04 0.00 18.64 0.60 01:40:12 1.28 0.00 1.26 0.02 0.00 14.91 0.13 01:50:00 1.28 0.00 1.26 0.02 0.00 14.92 0.12 02:00:12 1.65 0.00 1.62 0.03 0.00 19.19 0.35 Average: 4.04 0.14 2.00 1.90 15.99 84.37 13679.17 00:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:12 5710672 7519600 267044 3.28 63564 1921580 531912 5.79 460188 1703152 140 01:00:12 5642032 7486552 296408 3.64 70432 1947428 533516 5.81 478348 1719564 188 01:10:12 5641780 7486760 296208 3.64 70564 1947756 533708 5.81 478352 1720024 172 01:20:12 5669156 7514780 268212 3.30 70764 1948212 533716 5.81 478896 1720544 228 01:30:10 5667780 7513924 268856 3.31 70932 1948548 533884 5.82 478744 1721056 184 01:40:12 5671156 7517804 264988 3.26 71120 1948868 533884 5.82 478780 1721564 16 01:50:00 5671572 7518688 264112 3.25 71264 1949192 533884 5.82 478816 1722032 124 02:00:12 5668516 7516156 266656 3.28 71456 1949524 533988 5.82 478980 1722556 132 Average: 5667833 7509283 274060 3.37 70012 1945138 533562 5.81 476388 1718812 148 00:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 2.04 0.09 0.28 0.06 0.00 0.00 0.00 0.00 01:00:12 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 01:00:12 ens3 9.58 7.38 30.52 1.87 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 2.53 0.16 0.35 0.10 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.85 0.12 0.17 0.09 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 0.58 0.13 0.17 0.09 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 1.11 0.09 0.18 0.06 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 2.69 0.15 0.37 0.11 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.41 0.06 0.08 0.04 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 2.47 1.02 4.01 0.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-40219) 08/23/26 _x86_64_ (2 CPU) 00:32:51 LINUX RESTART (2 CPU) 00:40:12 CPU %user %nice %system %iowait %steal %idle 00:50:12 all 0.19 0.00 0.09 0.03 0.02 99.67 00:50:12 0 0.13 0.00 0.08 0.00 0.02 99.77 00:50:12 1 0.25 0.00 0.09 0.06 0.03 99.57 01:00:12 all 5.00 0.00 0.75 0.52 0.04 93.69 01:00:12 0 6.24 0.00 0.85 0.84 0.04 92.04 01:00:12 1 3.76 0.00 0.66 0.21 0.03 95.34 01:10:12 all 0.25 0.00 0.07 0.03 0.03 99.62 01:10:12 0 0.06 0.00 0.10 0.03 0.04 99.77 01:10:12 1 0.43 0.00 0.04 0.03 0.02 99.48 01:20:12 all 0.22 0.00 0.08 0.02 0.03 99.64 01:20:12 0 0.13 0.00 0.09 0.03 0.03 99.72 01:20:12 1 0.32 0.00 0.07 0.02 0.02 99.57 01:30:10 all 0.27 0.00 0.19 0.02 0.03 99.49 01:30:10 0 0.45 0.00 0.19 0.01 0.02 99.34 01:30:10 1 0.09 0.00 0.19 0.04 0.03 99.65 01:40:12 all 0.23 0.00 0.08 0.04 0.03 99.63 01:40:12 0 0.27 0.00 0.08 0.00 0.03 99.62 01:40:12 1 0.19 0.00 0.07 0.07 0.03 99.64 01:50:00 all 0.24 0.00 0.08 0.02 0.03 99.63 01:50:00 0 0.05 0.00 0.09 0.01 0.03 99.82 01:50:00 1 0.42 0.00 0.06 0.04 0.03 99.45 02:00:12 all 0.26 0.00 0.16 0.03 0.03 99.52 02:00:12 0 0.07 0.00 0.17 0.02 0.03 99.71 02:00:12 1 0.45 0.00 0.15 0.03 0.03 99.34 Average: all 0.83 0.00 0.19 0.09 0.03 98.86 Average: 0 0.93 0.00 0.21 0.12 0.03 98.72 Average: 1 0.74 0.00 0.17 0.06 0.03 99.01