---> uname -a: Linux prd-queue-disttest-2c-1g-3759 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 693 5461 4 2078 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:1e:18:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83002sec preferred_lft 83002sec inet6 fe80::f816:3eff:fe1e:18e8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-3759) 04/17/26 _x86_64_ (2 CPU) 02:49:13 LINUX RESTART (2 CPU) 02:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:00 6.45 0.08 6.03 0.34 7.00 1290.04 9.68 03:10:02 1.29 0.01 1.29 0.00 0.05 15.24 0.12 03:20:04 1.33 0.00 1.33 0.00 0.01 15.39 0.00 03:30:05 16.40 13.83 2.46 0.11 190.44 105.58 383.10 03:40:05 1.45 0.00 1.43 0.02 0.00 16.80 1.09 Average: 5.38 2.80 2.49 0.09 39.64 283.99 79.10 02:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:00 5793912 7515896 274988 3.38 61604 1840616 534156 5.82 461936 1619096 124 03:10:02 5793912 7516400 274324 3.37 61772 1840960 534248 5.82 461740 1619604 228 03:20:04 5793672 7516616 274112 3.37 61912 1841276 534248 5.82 461864 1620064 232 03:30:05 5685020 7493380 287828 3.54 65916 1914024 534248 5.82 473980 1684832 224 03:40:05 5696660 7505532 275708 3.39 66100 1914344 534392 5.82 474072 1685336 168 Average: 5752635 7509565 277392 3.41 63461 1870244 534258 5.82 466718 1645786 195 02:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:00 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 5.54 3.40 64.76 0.60 0.00 0.00 0.00 0.00 03:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:02 ens3 1.13 0.06 0.18 0.03 0.00 0.00 0.00 0.00 03:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:04 ens3 0.33 0.02 0.05 0.01 0.00 0.00 0.00 0.00 03:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 0.55 0.29 3.14 0.07 0.00 0.00 0.00 0.00 03:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:05 ens3 0.35 0.05 0.08 0.03 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.56 0.75 13.41 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-3759) 04/17/26 _x86_64_ (2 CPU) 02:49:13 LINUX RESTART (2 CPU) 02:50:13 CPU %user %nice %system %iowait %steal %idle 03:00:00 all 1.59 0.00 0.47 0.10 0.02 97.83 03:00:00 0 2.69 0.00 0.51 0.11 0.02 96.67 03:00:00 1 0.48 0.00 0.42 0.09 0.02 98.99 03:10:02 all 0.23 0.00 0.09 0.03 0.01 99.64 03:10:02 0 0.40 0.00 0.07 0.00 0.01 99.51 03:10:02 1 0.06 0.00 0.11 0.05 0.01 99.77 03:20:04 all 0.21 0.00 0.08 0.02 0.02 99.68 03:20:04 0 0.35 0.00 0.05 0.00 0.01 99.59 03:20:04 1 0.07 0.00 0.11 0.03 0.02 99.77 03:30:05 all 0.40 0.20 0.33 0.19 0.02 98.87 03:30:05 0 0.38 0.38 0.38 0.36 0.02 98.49 03:30:05 1 0.41 0.01 0.28 0.03 0.02 99.25 03:40:05 all 0.27 0.00 0.09 0.01 0.02 99.61 03:40:05 0 0.17 0.00 0.11 0.01 0.02 99.69 03:40:05 1 0.38 0.00 0.08 0.00 0.02 99.52 Average: all 0.53 0.04 0.21 0.07 0.02 99.13 Average: 0 0.79 0.08 0.22 0.10 0.02 98.80 Average: 1 0.28 0.00 0.20 0.04 0.02 99.46