---> uname -a: Linux prd-queue-disttest-2c-1g-19456 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 698 5441 4 2089 7243 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:91:26:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82521sec preferred_lft 82521sec inet6 fe80::f816:3eff:fe91:2646/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-19456) 05/24/26 _x86_64_ (2 CPU) 00:33:00 LINUX RESTART (2 CPU) 00:40:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:27 1.25 0.01 1.23 0.01 0.05 15.29 0.96 01:00:01 2.16 0.27 1.86 0.03 33.45 80.70 0.47 01:10:27 1.41 0.00 1.41 0.00 0.00 16.29 0.00 01:20:27 1.39 0.00 1.39 0.00 0.01 15.96 0.00 01:30:01 1.66 0.00 1.64 0.02 0.00 19.34 0.24 Average: 1.57 0.05 1.50 0.01 6.48 29.06 0.33 00:40:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:27 5703232 7503768 283084 3.48 63124 1914340 532964 5.81 469264 1693768 172 01:00:01 5643200 7470676 315832 3.88 63404 1940740 533028 5.81 478384 1711372 240 01:10:27 5642844 7470844 315660 3.88 63560 1941100 533184 5.81 478580 1711888 124 01:20:27 5643412 7471892 314640 3.87 63712 1941424 533184 5.81 478852 1712364 204 01:30:01 5644216 7473296 313244 3.85 63876 1941852 533184 5.81 478800 1712828 124 Average: 5655381 7478095 308492 3.79 63535 1935891 533109 5.81 476776 1708444 173 00:40:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:27 ens3 2.77 0.12 0.39 0.08 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.96 0.25 3.36 0.05 0.00 0.00 0.00 0.00 01:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:27 ens3 0.99 0.04 5.08 0.03 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 0.59 0.07 0.13 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.45 0.06 0.09 0.04 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 1.16 0.11 1.84 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-19456) 05/24/26 _x86_64_ (2 CPU) 00:33:00 LINUX RESTART (2 CPU) 00:40:27 CPU %user %nice %system %iowait %steal %idle 00:50:27 all 0.26 0.00 0.07 0.02 0.03 99.62 00:50:27 0 0.07 0.00 0.09 0.03 0.04 99.78 00:50:27 1 0.46 0.00 0.06 0.00 0.02 99.46 01:00:01 all 0.38 0.00 0.18 0.03 0.03 99.38 01:00:01 0 0.20 0.00 0.15 0.02 0.03 99.60 01:00:01 1 0.56 0.00 0.22 0.03 0.03 99.16 01:10:27 all 0.20 0.00 0.06 0.01 0.03 99.69 01:10:27 0 0.04 0.00 0.08 0.02 0.04 99.82 01:10:27 1 0.37 0.00 0.05 0.00 0.02 99.57 01:20:27 all 0.25 0.00 0.06 0.01 0.03 99.65 01:20:27 0 0.05 0.00 0.08 0.01 0.04 99.81 01:20:27 1 0.45 0.00 0.04 0.00 0.02 99.49 01:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 01:30:01 0 0.06 0.00 0.16 0.02 0.04 99.73 01:30:01 1 0.47 0.00 0.16 0.01 0.03 99.34 Average: all 0.27 0.00 0.11 0.01 0.03 99.58 Average: 0 0.08 0.00 0.11 0.02 0.04 99.75 Average: 1 0.46 0.00 0.10 0.01 0.02 99.41