---> uname -a: Linux prd-queue-disttest-2c-1g-57539 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 728 5393 4 2108 7213 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:76:5c:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79617sec preferred_lft 79617sec inet6 fe80::f816:3eff:fe76:5cc4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-57539) 09/23/26 _x86_64_ (2 CPU) 00:34:26 LINUX RESTART (2 CPU) 00:40:44 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:44 1.21 0.01 1.21 0.00 0.05 15.24 0.00 01:00:36 2.65 0.00 2.42 0.24 0.00 146.38 293.38 01:10:44 7.74 0.43 5.99 1.32 36.43 437.07 5232.21 01:20:06 15.94 0.01 1.40 14.53 0.17 16.41 114634.73 01:30:36 1.50 0.00 1.48 0.02 0.00 17.76 0.22 01:40:44 1.38 0.00 1.38 0.00 0.00 16.30 0.11 01:50:26 1.35 0.00 1.35 0.00 0.00 15.93 0.00 02:00:44 1.63 0.00 1.61 0.02 0.00 19.66 0.22 02:10:16 1.37 0.00 1.37 0.00 0.00 16.15 0.00 02:20:16 1.39 0.00 1.39 0.00 0.00 16.27 0.00 Average: 3.54 0.04 1.97 1.53 3.73 72.39 11349.62 00:40:44 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:44 5627572 7477048 307488 3.78 63476 1962912 728868 7.94 481560 1731972 160 01:00:36 5626252 7485616 298240 3.67 65336 1970548 730308 7.95 482856 1741468 160 01:10:44 5604512 7469200 312036 3.84 75844 1963000 731568 7.97 491076 1737836 124 01:20:06 5618952 7484196 297032 3.65 75964 1963404 731760 7.97 491140 1738276 228 01:30:36 5611464 7477204 303980 3.74 76080 1963768 731768 7.97 491348 1738756 160 01:40:44 5616028 7482336 298884 3.68 76192 1964220 732292 7.98 492264 1739192 160 01:50:26 5615776 7482520 298708 3.67 76332 1964516 732352 7.98 492384 1739628 196 02:00:44 5611104 7478500 302592 3.72 76500 1965008 732352 7.98 492724 1740148 188 02:10:16 5612900 7480740 300360 3.69 76648 1965296 732416 7.98 492696 1740592 56 02:20:16 5613216 7481528 299564 3.68 76784 1965628 732560 7.98 492836 1741064 128 Average: 5615778 7479889 301888 3.71 73916 1964830 731624 7.97 490088 1738893 156 00:40:44 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:44 ens3 2.92 0.08 0.22 0.05 0.00 0.00 0.00 0.00 01:00:36 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:36 ens3 1.56 0.70 0.74 0.38 0.00 0.00 0.00 0.00 01:10:44 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:10:44 ens3 11.47 7.33 27.78 2.20 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 1.25 0.13 0.25 0.12 0.00 0.00 0.00 0.00 01:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:36 ens3 0.69 0.09 0.15 0.07 0.00 0.00 0.00 0.00 01:40:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:44 ens3 1.67 0.57 0.41 2.21 0.00 0.00 0.00 0.00 01:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:26 ens3 0.47 0.09 0.05 0.42 0.00 0.00 0.00 0.00 02:00:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:44 ens3 0.39 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 0.47 0.12 0.15 0.09 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.33 0.07 0.07 0.03 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 2.14 0.93 3.03 0.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-57539) 09/23/26 _x86_64_ (2 CPU) 00:34:26 LINUX RESTART (2 CPU) 00:40:44 CPU %user %nice %system %iowait %steal %idle 00:50:44 all 0.23 0.00 0.08 0.01 0.00 99.67 00:50:44 0 0.04 0.00 0.09 0.01 0.00 99.85 00:50:44 1 0.42 0.00 0.07 0.01 0.00 99.49 01:00:36 all 1.19 0.00 0.24 0.04 0.01 98.52 01:00:36 0 1.83 0.00 0.29 0.02 0.01 97.85 01:00:36 1 0.55 0.00 0.19 0.06 0.00 99.19 01:10:44 all 4.52 0.00 0.65 0.18 0.01 94.64 01:10:44 0 4.92 0.00 0.67 0.31 0.01 94.09 01:10:44 1 4.11 0.00 0.64 0.06 0.01 95.18 01:20:06 all 0.26 0.00 0.09 0.04 0.00 99.60 01:20:06 0 0.45 0.00 0.04 0.02 0.00 99.48 01:20:06 1 0.07 0.00 0.14 0.07 0.00 99.73 01:30:36 all 0.28 0.00 0.14 0.01 0.00 99.57 01:30:36 0 0.48 0.00 0.12 0.01 0.00 99.39 01:30:36 1 0.08 0.00 0.17 0.01 0.00 99.74 01:40:44 all 0.16 0.00 0.07 0.01 0.00 99.76 01:40:44 0 0.09 0.00 0.06 0.00 0.00 99.86 01:40:44 1 0.23 0.00 0.09 0.02 0.00 99.66 01:50:26 all 0.17 0.00 0.06 0.01 0.00 99.75 01:50:26 0 0.08 0.00 0.07 0.00 0.00 99.85 01:50:26 1 0.27 0.00 0.05 0.02 0.00 99.66 02:00:44 all 0.30 0.00 0.14 0.01 0.00 99.55 02:00:44 0 0.06 0.00 0.17 0.00 0.00 99.77 02:00:44 1 0.54 0.00 0.11 0.02 0.00 99.32 02:10:16 all 0.25 0.00 0.06 0.01 0.00 99.67 02:10:16 0 0.05 0.00 0.09 0.00 0.00 99.85 02:10:16 1 0.46 0.00 0.03 0.02 0.00 99.48 02:20:16 all 0.24 0.00 0.07 0.03 0.00 99.65 02:20:16 0 0.03 0.00 0.09 0.01 0.00 99.86 02:20:16 1 0.45 0.00 0.06 0.05 0.00 99.45 Average: all 0.77 0.00 0.16 0.04 0.00 99.03 Average: 0 0.81 0.00 0.17 0.04 0.00 98.98 Average: 1 0.73 0.00 0.16 0.03 0.00 99.08