---> uname -a: Linux prd-queue-disttest-2c-1g-8133 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 686 5526 4 2013 7255 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:50:5a:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82659sec preferred_lft 82659sec inet6 fe80::f816:3eff:fe50:5ab8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8133) 04/26/26 _x86_64_ (2 CPU) 00:32:33 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:18 13.84 0.01 1.28 12.55 0.19 15.48 104956.02 01:00:01 1.42 0.00 1.38 0.03 0.00 17.97 1.35 01:10:01 1.16 0.00 1.14 0.02 0.00 14.14 1.32 01:20:18 1.27 0.00 1.25 0.02 0.01 15.31 1.17 01:30:01 2.19 0.33 1.80 0.06 41.23 79.74 1.59 Average: 4.04 0.07 1.37 2.60 8.06 28.16 21569.81 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:18 5803928 7522896 267724 3.29 61732 1837512 529600 5.77 461488 1616088 132 01:00:01 5791348 7510840 279660 3.44 61936 1837852 529736 5.77 461572 1616604 124 01:10:01 5798696 7518728 271820 3.34 62132 1838180 529760 5.77 461624 1617144 220 01:20:18 5798696 7519256 271308 3.34 62324 1838504 529760 5.77 461816 1617672 136 01:30:01 5750876 7500812 289304 3.56 62632 1867228 529760 5.77 473252 1635200 128 Average: 5788709 7514506 275963 3.39 62151 1843855 529723 5.77 463950 1620542 148 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:18 ens3 1.13 0.06 0.12 0.03 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 0.47 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.41 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.77 0.08 0.77 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.63 0.23 3.24 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 0.69 0.09 0.85 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8133) 04/26/26 _x86_64_ (2 CPU) 00:32:33 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:18 all 0.26 0.00 0.08 0.02 0.03 99.60 00:50:18 0 0.06 0.00 0.11 0.03 0.05 99.76 00:50:18 1 0.46 0.00 0.05 0.02 0.02 99.45 01:00:01 all 0.28 0.00 0.16 0.01 0.04 99.51 01:00:01 0 0.18 0.00 0.18 0.01 0.04 99.59 01:00:01 1 0.39 0.00 0.14 0.01 0.03 99.44 01:10:01 all 0.24 0.00 0.06 0.01 0.03 99.66 01:10:01 0 0.44 0.00 0.04 0.01 0.02 99.50 01:10:01 1 0.04 0.00 0.08 0.01 0.04 99.82 01:20:18 all 0.25 0.00 0.07 0.01 0.03 99.63 01:20:18 0 0.44 0.00 0.05 0.01 0.02 99.47 01:20:18 1 0.06 0.00 0.09 0.00 0.05 99.79 01:30:01 all 0.41 0.00 0.20 0.02 0.04 99.32 01:30:01 0 0.41 0.00 0.20 0.02 0.03 99.33 01:30:01 1 0.42 0.00 0.21 0.02 0.04 99.31 Average: all 0.29 0.00 0.11 0.01 0.03 99.55 Average: 0 0.31 0.00 0.12 0.01 0.03 99.53 Average: 1 0.27 0.00 0.11 0.01 0.04 99.57