---> uname -a: Linux prd-queue-disttest-2c-1g-6577 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 5521 4 2005 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:0d:95:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82870sec preferred_lft 82870sec inet6 fe80::f816:3eff:fe0d:95c9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-6577) 03/21/26 _x86_64_ (2 CPU) 02:54:28 LINUX RESTART (2 CPU) 03:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:08 1.36 0.01 1.35 0.00 0.05 16.22 0.12 03:20:01 1.19 0.00 1.19 0.00 0.01 14.33 0.12 03:30:08 1.63 0.01 1.59 0.02 0.59 19.32 0.74 03:40:01 14.36 0.00 1.29 13.07 0.15 15.98 109108.04 03:50:01 1.82 0.32 1.47 0.03 39.01 72.04 1.40 Average: 4.05 0.07 1.38 2.60 7.98 27.62 21615.29 03:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:08 5798352 7510476 280588 3.45 61572 1831032 527640 5.75 466540 1609916 156 03:20:01 5799128 7511724 279352 3.43 61728 1831348 527776 5.75 466644 1610392 160 03:30:08 5778660 7491976 299060 3.68 61924 1831852 527808 5.75 466888 1610976 132 03:40:01 5786576 7500444 290528 3.57 62104 1832224 527808 5.75 466860 1611500 132 03:50:01 5751260 7493760 296644 3.65 62420 1860232 724948 7.90 484100 1628632 140 Average: 5782795 7501676 289234 3.56 61950 1837338 567196 6.18 470206 1614283 144 03:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:08 ens3 2.82 0.17 0.47 0.15 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.52 0.04 0.06 0.01 0.00 0.00 0.00 0.00 03:30:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 0.90 0.12 0.16 0.07 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.50 0.12 0.14 0.07 0.00 0.00 0.00 0.00 03:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 0.99 0.23 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 1.15 0.13 0.79 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-6577) 03/21/26 _x86_64_ (2 CPU) 02:54:28 LINUX RESTART (2 CPU) 03:00:07 CPU %user %nice %system %iowait %steal %idle 03:10:08 all 0.26 0.00 0.09 0.05 0.03 99.57 03:10:08 0 0.26 0.00 0.09 0.07 0.03 99.56 03:10:08 1 0.27 0.00 0.09 0.02 0.03 99.59 03:20:01 all 0.24 0.00 0.08 0.03 0.03 99.62 03:20:01 0 0.08 0.00 0.08 0.04 0.04 99.76 03:20:01 1 0.40 0.00 0.07 0.03 0.02 99.49 03:30:08 all 0.30 0.00 0.19 0.06 0.03 99.41 03:30:08 0 0.32 0.00 0.19 0.06 0.03 99.41 03:30:08 1 0.29 0.00 0.18 0.07 0.04 99.42 03:40:01 all 0.24 0.00 0.09 0.06 0.03 99.58 03:40:01 0 0.25 0.00 0.07 0.06 0.03 99.59 03:40:01 1 0.23 0.00 0.12 0.06 0.04 99.56 03:50:01 all 0.38 0.00 0.13 0.04 0.03 99.42 03:50:01 0 0.28 0.00 0.13 0.05 0.04 99.51 03:50:01 1 0.49 0.00 0.13 0.03 0.03 99.33 Average: all 0.29 0.00 0.11 0.05 0.03 99.52 Average: 0 0.24 0.00 0.11 0.06 0.03 99.56 Average: 1 0.33 0.00 0.12 0.04 0.03 99.48