---> uname -a: Linux prd-queue-disttest-2c-1g-4436 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 709 5504 4 2011 7231 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:c2:31:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82552sec preferred_lft 82552sec inet6 fe80::f816:3eff:fec2:31e0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-4436) 04/19/26 _x86_64_ (2 CPU) 00:33:34 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.19 0.01 1.18 0.00 0.05 14.87 0.24 01:00:30 1.20 0.00 1.19 0.02 0.00 15.44 0.22 01:10:30 1.23 0.00 1.22 0.01 0.00 14.73 0.60 01:20:01 1.35 0.02 1.32 0.02 0.64 16.62 1.30 01:30:30 13.68 0.00 1.35 12.33 0.14 17.74 102810.72 Average: 3.83 0.01 1.25 2.57 0.16 15.89 21377.10 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5784416 7502152 288252 3.54 61704 1836524 561664 6.12 474040 1615668 184 01:00:30 5772856 7491100 299284 3.68 61872 1836856 561668 6.12 475304 1616168 176 01:10:30 5786016 7504760 285592 3.51 62044 1837184 561668 6.12 476824 1616668 124 01:20:01 5768884 7488304 302048 3.71 62220 1837684 561824 6.12 477620 1617224 280 01:30:30 5777552 7497672 292612 3.60 62404 1838188 561824 6.12 479696 1617756 200 Average: 5777945 7496798 293558 3.61 62049 1837287 561730 6.12 476697 1616697 193 00:40:03 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 3.06 0.19 0.51 0.16 0.00 0.00 0.00 0.00 01:00:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:30 ens3 0.73 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:30 ens3 0.68 0.07 3.86 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.66 0.05 0.28 0.02 0.00 0.00 0.00 0.00 01:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:30 ens3 0.61 0.10 0.13 0.06 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 1.14 0.10 0.97 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-4436) 04/19/26 _x86_64_ (2 CPU) 00:33:34 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.24 0.00 0.08 0.01 0.04 99.63 00:50:01 0 0.20 0.00 0.09 0.01 0.04 99.66 00:50:01 1 0.29 0.00 0.06 0.01 0.04 99.60 01:00:30 all 0.24 0.00 0.14 0.01 0.04 99.58 01:00:30 0 0.39 0.00 0.13 0.00 0.03 99.44 01:00:30 1 0.09 0.00 0.15 0.01 0.04 99.71 01:10:30 all 0.25 0.00 0.06 0.01 0.04 99.64 01:10:30 0 0.05 0.00 0.07 0.00 0.04 99.84 01:10:30 1 0.45 0.00 0.05 0.02 0.03 99.45 01:20:01 all 0.24 0.00 0.07 0.01 0.03 99.64 01:20:01 0 0.09 0.00 0.09 0.01 0.04 99.77 01:20:01 1 0.39 0.00 0.05 0.01 0.02 99.52 01:30:30 all 0.25 0.00 0.16 0.03 0.04 99.53 01:30:30 0 0.27 0.00 0.16 0.05 0.04 99.47 01:30:30 1 0.22 0.00 0.16 0.00 0.04 99.59 Average: all 0.24 0.00 0.10 0.01 0.04 99.60 Average: 0 0.20 0.00 0.11 0.01 0.04 99.63 Average: 1 0.28 0.00 0.10 0.01 0.04 99.58