---> uname -a: Linux prd-queue-disttest-2c-1g-8180 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: 5600.00 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 5528 4 2005 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:d6:27:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82623sec preferred_lft 82623sec inet6 fe80::f816:3eff:fed6:2754/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8180) 03/23/26 _x86_64_ (2 CPU) 01:44:23 LINUX RESTART (2 CPU) 01:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:10 1.57 0.01 1.55 0.02 0.05 18.77 0.47 02:10:10 1.30 0.00 1.30 0.00 0.00 14.74 0.00 02:20:09 1.39 0.00 1.38 0.01 0.01 15.55 0.60 02:30:04 2.29 0.32 1.92 0.05 40.41 77.01 1.69 02:40:01 14.39 0.00 1.42 12.97 0.15 16.22 108468.92 Average: 4.18 0.07 1.51 2.60 8.08 28.40 21621.31 01:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:10 5785932 7497892 293180 3.61 61684 1830712 535968 5.84 465452 1610228 132 02:10:10 5785680 7498112 292892 3.60 61836 1831048 536080 5.84 465536 1610708 144 02:20:09 5785176 7498116 292896 3.60 62020 1831364 536080 5.84 465560 1611216 132 02:30:04 5744204 7485996 304580 3.75 62360 1859548 536080 5.84 477020 1628364 184 02:40:01 5742740 7485208 305268 3.75 62520 1860056 536080 5.84 477216 1628876 124 Average: 5768746 7493065 297763 3.66 62084 1842546 536058 5.84 470157 1617878 143 01:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 3.30 0.17 0.54 0.14 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 0.86 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.37 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.51 0.21 3.06 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.34 0.05 0.08 0.03 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 1.08 0.10 0.76 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8180) 03/23/26 _x86_64_ (2 CPU) 01:44:23 LINUX RESTART (2 CPU) 01:50:09 CPU %user %nice %system %iowait %steal %idle 02:00:10 all 0.27 0.00 0.17 0.14 0.02 99.40 02:00:10 0 0.24 0.00 0.16 0.26 0.02 99.32 02:00:10 1 0.30 0.00 0.19 0.02 0.02 99.48 02:10:10 all 0.26 0.00 0.08 0.01 0.01 99.64 02:10:10 0 0.07 0.00 0.09 0.01 0.02 99.82 02:10:10 1 0.45 0.00 0.07 0.01 0.01 99.46 02:20:09 all 0.26 0.00 0.07 0.01 0.01 99.66 02:20:09 0 0.05 0.00 0.09 0.01 0.02 99.84 02:20:09 1 0.46 0.00 0.05 0.01 0.01 99.48 02:30:04 all 0.38 0.00 0.20 0.02 0.01 99.39 02:30:04 0 0.30 0.00 0.16 0.00 0.01 99.52 02:30:04 1 0.45 0.00 0.24 0.04 0.02 99.26 02:40:01 all 0.25 0.00 0.08 0.07 0.01 99.58 02:40:01 0 0.45 0.00 0.05 0.08 0.01 99.41 02:40:01 1 0.06 0.00 0.12 0.05 0.02 99.76 Average: all 0.28 0.00 0.12 0.05 0.01 99.54 Average: 0 0.22 0.00 0.11 0.07 0.01 99.58 Average: 1 0.34 0.00 0.13 0.02 0.01 99.49