---> uname -a: Linux prd-queue-disttest-2c-1g-2351 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: 5600.00 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 711 5504 4 2010 7230 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:82:2f:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82672sec preferred_lft 82672sec inet6 fe80::f816:3eff:fe82:2f47/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-2351) 04/13/26 _x86_64_ (2 CPU) 00:33:10 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.36 0.01 1.35 0.00 0.05 15.89 0.24 01:00:01 14.42 0.00 1.53 12.89 0.15 18.77 107670.83 01:10:03 1.29 0.00 1.28 0.01 0.00 15.15 0.72 01:20:04 1.98 0.32 1.63 0.03 38.97 73.81 1.28 01:30:04 1.49 0.00 1.46 0.04 0.00 18.47 1.43 Average: 4.11 0.07 1.45 2.59 7.84 28.42 21534.18 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5790504 7508244 282612 3.48 61744 1836344 536224 5.84 465148 1615168 124 01:00:01 5781308 7499624 291200 3.58 61928 1836720 536224 5.84 465204 1615700 124 01:10:03 5785632 7504452 286376 3.52 62104 1837052 536224 5.84 465296 1616208 232 01:20:04 5743948 7491412 298896 3.68 62404 1865104 734976 8.01 482476 1633496 252 01:30:04 5747248 7495376 294888 3.63 62592 1865560 734976 8.01 482508 1634012 180 Average: 5769728 7499822 290794 3.58 62154 1848156 615725 6.71 472126 1622917 182 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.28 0.19 0.56 0.17 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.74 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.56 0.06 5.73 0.04 0.00 0.00 0.00 0.00 01:20:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.76 0.26 3.42 0.09 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.34 0.05 0.07 0.03 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 1.13 0.12 1.98 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-2351) 04/13/26 _x86_64_ (2 CPU) 00:33:10 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.26 0.00 0.09 0.01 0.03 99.62 00:50:01 0 0.37 0.00 0.08 0.01 0.03 99.52 00:50:01 1 0.15 0.00 0.10 0.01 0.04 99.71 01:00:01 all 0.22 0.00 0.17 0.02 0.03 99.55 01:00:01 0 0.14 0.00 0.15 0.02 0.03 99.66 01:00:01 1 0.31 0.00 0.20 0.02 0.03 99.45 01:10:03 all 0.25 0.00 0.06 0.01 0.03 99.65 01:10:03 0 0.04 0.00 0.08 0.00 0.04 99.84 01:10:03 1 0.46 0.00 0.05 0.02 0.02 99.46 01:20:04 all 0.37 0.00 0.10 0.02 0.03 99.47 01:20:04 0 0.28 0.00 0.13 0.03 0.04 99.52 01:20:04 1 0.45 0.00 0.07 0.01 0.03 99.43 01:30:04 all 0.24 0.00 0.16 0.01 0.02 99.57 01:30:04 0 0.21 0.00 0.15 0.02 0.02 99.61 01:30:04 1 0.27 0.00 0.17 0.01 0.02 99.54 Average: all 0.27 0.00 0.12 0.01 0.03 99.57 Average: 0 0.21 0.00 0.12 0.01 0.03 99.63 Average: 1 0.33 0.00 0.12 0.01 0.03 99.52