---> uname -a: Linux prd-queue-disttest-2c-1g-2176 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 691 5523 4 2010 7250 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:7c:7f:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82538sec preferred_lft 82538sec inet6 fe80::f816:3eff:fe7c:7fdd/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-2176) 04/12/26 _x86_64_ (2 CPU) 00:32:36 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.16 0.01 1.15 0.00 0.05 14.55 0.24 01:00:00 1.42 0.00 1.41 0.02 0.00 18.20 0.23 01:10:00 14.11 0.00 1.19 12.91 0.15 14.81 107829.66 01:20:00 1.11 0.00 1.09 0.02 0.01 13.91 1.09 01:30:00 1.99 0.32 1.62 0.05 39.03 68.96 1.52 Average: 3.96 0.07 1.29 2.60 7.85 26.09 21566.84 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5790860 7508468 282168 3.47 61676 1836336 528072 5.75 461788 1615184 196 01:00:00 5780576 7498700 291928 3.59 61840 1836664 528136 5.75 461828 1615688 156 01:10:00 5780328 7499020 291632 3.59 62012 1837044 528288 5.75 461900 1616228 176 01:20:00 5780328 7499516 291152 3.58 62176 1837368 528288 5.75 462116 1616724 180 01:30:00 5605688 7353688 436400 5.37 62484 1865552 726916 7.92 611064 1634024 2176 Average: 5747556 7471878 318656 3.92 62038 1842593 567940 6.19 491739 1619570 577 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 0.94 0.11 0.15 0.06 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.42 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.41 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.45 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.60 0.22 3.10 0.05 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 0.56 0.10 0.70 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-2176) 04/12/26 _x86_64_ (2 CPU) 00:32:36 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.26 0.00 0.07 0.02 0.03 99.63 00:50:00 0 0.21 0.00 0.08 0.01 0.03 99.66 00:50:00 1 0.30 0.00 0.06 0.03 0.02 99.59 01:00:00 all 0.27 0.00 0.16 0.01 0.03 99.53 01:00:00 0 0.09 0.00 0.17 0.01 0.04 99.69 01:00:00 1 0.45 0.00 0.14 0.02 0.02 99.38 01:10:00 all 0.24 0.00 0.08 0.04 0.03 99.62 01:10:00 0 0.14 0.00 0.10 0.05 0.04 99.67 01:10:00 1 0.35 0.00 0.05 0.02 0.02 99.56 01:20:00 all 0.25 0.00 0.07 0.02 0.03 99.64 01:20:00 0 0.45 0.00 0.05 0.03 0.02 99.45 01:20:00 1 0.05 0.00 0.08 0.01 0.04 99.83 01:30:00 all 0.36 0.00 0.19 0.14 0.03 99.28 01:30:00 0 0.41 0.00 0.18 0.18 0.02 99.20 01:30:00 1 0.32 0.00 0.21 0.09 0.03 99.36 Average: all 0.28 0.00 0.11 0.04 0.03 99.54 Average: 0 0.26 0.00 0.12 0.06 0.03 99.53 Average: 1 0.29 0.00 0.11 0.03 0.02 99.54