---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66552 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 8.2G 30G 22% / 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 743 4978 4 2511 7198 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:9f:54:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82032sec preferred_lft 82032sec inet6 fe80::f816:3eff:fe9f:546b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66552) 04/05/26 _x86_64_ (2 CPU) 00:21:54 LINUX RESTART (2 CPU) 00:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:00 23.20 3.08 17.85 2.26 232.16 3196.34 1126.39 00:50:30 1.17 0.00 1.15 0.02 0.00 14.70 1.26 01:00:10 16.08 0.33 1.83 13.92 41.60 79.31 110548.99 01:10:01 1.38 0.00 1.37 0.02 0.00 277.14 0.60 01:20:20 1.45 0.00 1.43 0.02 0.01 269.06 1.15 01:30:10 1.91 0.00 1.86 0.04 0.00 24.24 2.09 Average: 7.39 0.56 4.20 2.63 44.75 634.93 17996.18 00:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:00 5183876 7260868 511544 6.29 84204 2157400 765136 8.33 717888 1927464 204 00:50:30 5070068 7147540 624872 7.68 84336 2157784 861640 9.38 813412 1927976 188 01:00:10 5070076 7176476 595504 7.32 84612 2186276 850480 9.26 796516 1945348 136 01:10:01 5076108 7261004 510080 6.27 84756 2263844 781252 8.51 728876 2023032 164 01:20:20 4828284 7093172 676640 8.32 84956 2342508 944020 10.28 891836 2101796 172 01:30:10 4797940 7063564 705936 8.68 85180 2342992 1000360 10.90 897600 2102500 164 Average: 5004392 7167104 604096 7.43 84674 2241801 867148 9.44 807688 2004686 171 00:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 82.91 58.86 675.12 12.65 0.00 0.00 0.00 0.00 00:50:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:30 ens3 15.72 13.83 291.48 0.99 0.00 0.00 0.00 0.00 01:00:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 66.67 64.77 1258.04 4.27 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 23.57 22.65 500.14 1.55 0.00 0.00 0.00 0.00 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 27.65 26.64 526.28 1.81 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 11.09 10.35 197.09 0.74 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 37.52 32.50 569.24 3.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66552) 04/05/26 _x86_64_ (2 CPU) 00:21:54 LINUX RESTART (2 CPU) 00:30:10 CPU %user %nice %system %iowait %steal %idle 00:40:00 all 11.22 0.00 1.81 0.67 0.07 86.23 00:40:00 0 7.84 0.00 1.78 0.58 0.08 89.73 00:40:00 1 14.59 0.00 1.84 0.75 0.07 82.74 00:50:30 all 0.47 0.00 0.20 0.01 0.10 99.22 00:50:30 0 0.42 0.00 0.22 0.01 0.13 99.22 00:50:30 1 0.52 0.00 0.19 0.00 0.07 99.21 01:00:10 all 1.18 0.00 0.68 0.05 0.10 97.98 01:00:10 0 0.83 0.00 0.41 0.09 0.09 98.58 01:00:10 1 1.53 0.00 0.96 0.02 0.12 97.38 01:10:01 all 0.72 0.00 0.26 0.03 0.11 98.88 01:10:01 0 0.67 0.00 0.26 0.03 0.08 98.96 01:10:01 1 0.77 0.00 0.27 0.03 0.13 98.80 01:20:20 all 0.71 0.00 0.23 0.03 0.11 98.92 01:20:20 0 0.58 0.00 0.13 0.02 0.08 99.20 01:20:20 1 0.84 0.00 0.34 0.03 0.14 98.64 01:30:10 all 0.55 0.00 0.32 0.01 0.10 99.01 01:30:10 0 0.60 0.00 0.29 0.01 0.09 99.01 01:30:10 1 0.51 0.00 0.35 0.02 0.12 99.01 Average: all 2.44 0.00 0.58 0.13 0.10 96.75 Average: 0 1.80 0.00 0.51 0.12 0.09 97.48 Average: 1 3.09 0.00 0.65 0.14 0.11 96.01