---> uname -a: Linux prd-queue-disttest-2c-1g-29622 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 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 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 709 5376 4 2151 7231 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:90:b3:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82107sec preferred_lft 82107sec inet6 fe80::f816:3eff:fe90:b3d7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-29622) 06/23/26 _x86_64_ (2 CPU) 00:32:50 LINUX RESTART (2 CPU) 00:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 1.29 0.00 1.27 0.01 0.04 16.17 0.37 01:00:04 1.99 0.25 1.71 0.03 30.99 77.88 487.77 01:10:04 1.17 0.00 1.17 0.00 0.00 14.24 0.12 01:20:04 1.19 0.00 1.18 0.00 0.01 14.69 0.00 01:30:04 1.44 0.01 1.41 0.02 0.60 18.29 650.08 01:40:04 14.18 0.00 1.24 12.94 0.15 15.01 107493.58 Average: 3.54 0.05 1.33 2.17 5.30 26.05 18105.07 00:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 5650892 7509344 267792 3.29 67188 1959452 523860 5.71 455620 1743556 220 01:00:04 5592852 7478268 298336 3.67 67532 1985744 721656 7.86 470096 1761428 196 01:10:04 5592628 7478528 298100 3.67 67684 1986068 721868 7.86 470280 1761904 220 01:20:04 5592628 7479024 297580 3.66 67848 1986396 721656 7.86 470476 1762392 316 01:30:04 5601284 7488496 288072 3.54 68016 1987028 723264 7.88 471716 1762940 260 01:40:04 5616456 7504208 272272 3.35 68168 1987400 721656 7.86 470600 1763436 228 Average: 5607790 7489645 287025 3.53 67739 1982015 688993 7.50 468131 1759276 240 00:40:04 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 3.03 0.20 0.51 0.17 0.00 0.00 0.00 0.00 01:00:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.78 0.28 3.21 0.05 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.61 0.07 2.31 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.54 0.09 0.26 0.06 0.00 0.00 0.00 0.00 01:30:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.31 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.40 0.07 0.11 0.06 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.94 0.13 1.08 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-29622) 06/23/26 _x86_64_ (2 CPU) 00:32:50 LINUX RESTART (2 CPU) 00:40:04 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 0.27 0.00 0.07 0.01 0.03 99.63 00:50:04 0 0.47 0.00 0.07 0.01 0.02 99.43 00:50:04 1 0.06 0.00 0.06 0.01 0.03 99.83 01:00:04 all 0.37 0.00 0.17 0.02 0.03 99.40 01:00:04 0 0.61 0.00 0.14 0.03 0.02 99.19 01:00:04 1 0.13 0.00 0.20 0.01 0.04 99.62 01:10:04 all 0.23 0.00 0.07 0.01 0.03 99.67 01:10:04 0 0.05 0.00 0.09 0.01 0.04 99.81 01:10:04 1 0.40 0.00 0.04 0.01 0.02 99.53 01:20:04 all 0.23 0.00 0.06 0.01 0.03 99.67 01:20:04 0 0.25 0.00 0.07 0.01 0.03 99.64 01:20:04 1 0.20 0.00 0.06 0.01 0.03 99.71 01:30:04 all 0.26 0.00 0.17 0.01 0.04 99.53 01:30:04 0 0.36 0.00 0.15 0.01 0.03 99.45 01:30:04 1 0.17 0.00 0.18 0.01 0.04 99.60 01:40:04 all 0.22 0.00 0.08 0.03 0.03 99.64 01:40:04 0 0.05 0.00 0.10 0.05 0.05 99.75 01:40:04 1 0.39 0.00 0.06 0.01 0.02 99.52 Average: all 0.26 0.00 0.10 0.01 0.03 99.59 Average: 0 0.30 0.00 0.10 0.02 0.03 99.55 Average: 1 0.22 0.00 0.10 0.01 0.03 99.64