---> uname -a: Linux prd-queue-disttest-2c-1g-25533 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 708 5371 4 2157 7233 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:57:01:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82673sec preferred_lft 82673sec inet6 fe80::f816:3eff:fe57:14a/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-25533) 06/07/26 _x86_64_ (2 CPU) 00:32:43 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 15.57 13.54 1.97 0.06 150.73 44.81 6.40 01:00:01 1.28 0.00 1.26 0.02 0.00 15.98 0.23 01:10:10 1.21 0.00 1.20 0.01 0.00 14.86 0.71 01:20:10 1.80 0.26 1.51 0.03 32.05 74.19 1.32 01:30:00 14.61 0.00 1.41 13.19 0.15 18.01 109309.34 Average: 6.87 2.77 1.47 2.63 36.71 33.62 21571.14 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 5638908 7500948 276600 3.40 67076 1963208 528244 5.75 465244 1746476 172 01:00:01 5647568 7510096 267344 3.29 67224 1963532 528396 5.76 465360 1746948 156 01:10:10 5647568 7510596 266876 3.28 67396 1963860 528396 5.76 465420 1747448 160 01:20:10 5584728 7474780 302328 3.72 67740 1990212 528464 5.76 474820 1765068 220 01:30:00 5596328 7487100 289820 3.56 67912 1990716 528536 5.76 474876 1765588 124 Average: 5623020 7496704 280594 3.45 67470 1974306 528407 5.76 469144 1754306 166 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 0.87 0.10 0.14 0.05 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 0.41 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.28 0.06 0.07 0.04 0.00 0.00 0.00 0.00 01:20:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.52 0.27 3.19 0.07 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.25 0.05 0.07 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 0.47 0.11 0.71 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-25533) 06/07/26 _x86_64_ (2 CPU) 00:32:43 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 0.25 0.18 0.15 0.14 0.03 99.25 00:50:10 0 0.28 0.35 0.21 0.25 0.03 98.88 00:50:10 1 0.22 0.00 0.09 0.03 0.04 99.62 01:00:01 all 0.24 0.00 0.18 0.01 0.02 99.55 01:00:01 0 0.09 0.00 0.19 0.01 0.03 99.68 01:00:01 1 0.40 0.00 0.17 0.01 0.02 99.41 01:10:10 all 0.23 0.00 0.07 0.01 0.03 99.66 01:10:10 0 0.36 0.00 0.06 0.00 0.02 99.55 01:10:10 1 0.09 0.00 0.08 0.02 0.03 99.78 01:20:10 all 0.37 0.00 0.09 0.02 0.03 99.49 01:20:10 0 0.26 0.00 0.13 0.02 0.04 99.55 01:20:10 1 0.48 0.00 0.05 0.02 0.02 99.44 01:30:00 all 0.24 0.00 0.16 0.03 0.03 99.53 01:30:00 0 0.15 0.00 0.16 0.01 0.03 99.65 01:30:00 1 0.33 0.00 0.17 0.05 0.03 99.42 Average: all 0.27 0.04 0.13 0.04 0.03 99.50 Average: 0 0.23 0.07 0.15 0.06 0.03 99.46 Average: 1 0.30 0.00 0.11 0.02 0.03 99.53