---> uname -a: Linux prd-queue-disttest-2c-1g-30569 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 711 5429 4 2088 7229 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:58:d2:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82541sec preferred_lft 82541sec inet6 fe80::f816:3eff:fe58:d27e/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-30569) 06/26/26 _x86_64_ (2 CPU) 00:33:21 LINUX RESTART (2 CPU) 00:40:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:29 1.23 0.01 1.22 0.00 0.05 14.90 0.24 01:00:30 1.33 0.00 1.32 0.01 0.00 16.34 0.25 01:10:31 1.25 0.00 1.24 0.01 0.00 15.18 0.72 01:20:12 1.25 0.00 1.23 0.02 0.01 14.81 1.24 01:30:30 1.93 0.25 1.65 0.04 30.07 75.31 1.45 Average: 1.40 0.05 1.33 0.02 6.21 27.67 0.78 00:40:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:29 5691984 7495072 291112 3.58 63524 1916196 535824 5.84 465328 1696324 212 01:00:30 5685196 7488772 297432 3.66 63668 1916524 535824 5.84 465456 1696800 220 01:10:31 5683772 7487836 298400 3.67 63832 1916848 536096 5.84 465752 1697288 144 01:20:12 5683268 7487800 298436 3.67 64000 1917148 536096 5.84 465876 1697756 184 01:30:30 5637672 7469280 316396 3.89 64320 1943632 734040 8.00 480236 1715668 132 Average: 5676378 7485752 300355 3.69 63869 1922070 575576 6.27 468530 1700767 178 00:40:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:29 ens3 3.36 0.17 0.48 0.10 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 0.60 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:31 ens3 1.20 0.20 9.31 0.14 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.59 0.14 0.16 0.10 0.00 0.00 0.00 0.00 01:30:30 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:30 ens3 0.88 0.49 3.14 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 1.33 0.21 2.65 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-30569) 06/26/26 _x86_64_ (2 CPU) 00:33:21 LINUX RESTART (2 CPU) 00:40:30 CPU %user %nice %system %iowait %steal %idle 00:50:29 all 0.27 0.00 0.08 0.01 0.03 99.62 00:50:29 0 0.45 0.00 0.09 0.01 0.02 99.43 00:50:29 1 0.09 0.00 0.07 0.01 0.03 99.80 01:00:30 all 0.26 0.00 0.15 0.04 0.02 99.54 01:00:30 0 0.30 0.00 0.15 0.07 0.02 99.46 01:00:30 1 0.22 0.00 0.14 0.01 0.03 99.61 01:10:31 all 0.24 0.00 0.06 0.01 0.05 99.64 01:10:31 0 0.30 0.00 0.05 0.01 0.07 99.56 01:10:31 1 0.18 0.00 0.07 0.01 0.03 99.72 01:20:12 all 0.22 0.00 0.07 1.01 0.02 98.67 01:20:12 0 0.05 0.00 0.10 1.98 0.03 97.84 01:20:12 1 0.39 0.00 0.04 0.05 0.01 99.51 01:30:30 all 0.39 0.00 0.19 0.32 0.02 99.08 01:30:30 0 0.30 0.00 0.24 0.53 0.02 98.92 01:30:30 1 0.49 0.00 0.15 0.10 0.01 99.25 Average: all 0.28 0.00 0.11 0.27 0.03 99.31 Average: 0 0.28 0.00 0.13 0.51 0.03 99.05 Average: 1 0.27 0.00 0.09 0.03 0.02 99.58