---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30327 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 8.0G 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 759 5116 4 2358 7182 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:eb:e4:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81994sec preferred_lft 81994sec inet6 fe80::f816:3eff:feeb:e4b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30327) 06/25/26 _x86_64_ (2 CPU) 00:40:39 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.59 0.01 1.57 0.01 0.05 18.39 446.57 01:10:22 1.37 0.00 1.37 0.00 0.00 15.72 0.00 01:20:24 1.92 0.25 1.66 0.01 30.89 75.19 0.29 01:30:01 14.85 0.01 1.77 13.07 1.25 20.66 114188.37 01:40:16 1.36 0.00 1.36 0.00 0.00 16.06 0.00 01:50:24 23.00 2.97 17.77 2.26 224.99 3533.97 677.78 Average: 7.30 0.55 4.28 2.47 43.29 619.96 18442.00 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6275536 7522824 297904 3.66 30724 1422236 537860 5.86 444952 1183596 124 01:10:22 6282452 7530260 290464 3.57 30908 1422568 537720 5.86 445024 1184112 132 01:20:24 6261032 7535868 284256 3.50 31264 1448876 735792 8.01 460048 1202008 132 01:30:01 6278220 7553960 266036 3.27 31448 1449560 538020 5.86 454628 1202540 284 01:40:16 6280060 7556440 263588 3.24 31632 1450012 538792 5.87 455908 1203048 168 01:50:24 5136968 7378660 370252 4.55 86976 2312904 661680 7.21 609248 2075676 2160 Average: 6085711 7513002 295417 3.63 40492 1584359 591644 6.44 478301 1341830 500 00:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.58 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 0.87 0.07 5.86 0.03 0.00 0.00 0.00 0.00 01:20:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 1.10 0.28 4.30 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.06 0.07 0.04 0.00 0.00 0.00 0.00 01:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:16 ens3 0.49 0.23 0.11 0.59 0.00 0.00 0.00 0.00 01:50:24 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:24 ens3 84.98 62.54 341.59 15.15 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 14.88 10.66 59.35 2.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30327) 06/25/26 _x86_64_ (2 CPU) 00:40:39 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.15 0.01 0.04 99.50 01:00:01 0 0.32 0.00 0.15 0.01 0.04 99.48 01:00:01 1 0.28 0.00 0.16 0.02 0.04 99.51 01:10:22 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:22 0 0.05 0.00 0.07 0.02 0.04 99.83 01:10:22 1 0.48 0.00 0.06 0.00 0.03 99.43 01:20:24 all 0.37 0.00 0.10 0.02 0.03 99.47 01:20:24 0 0.27 0.00 0.07 0.02 0.03 99.60 01:20:24 1 0.47 0.00 0.12 0.02 0.04 99.35 01:30:01 all 0.25 0.00 0.17 0.03 0.04 99.50 01:30:01 0 0.08 0.00 0.19 0.06 0.05 99.63 01:30:01 1 0.43 0.00 0.16 0.01 0.03 99.38 01:40:16 all 0.23 0.00 0.06 0.01 0.04 99.67 01:40:16 0 0.05 0.00 0.07 0.01 0.04 99.81 01:40:16 1 0.40 0.00 0.05 0.00 0.03 99.52 01:50:24 all 16.84 0.00 1.81 0.58 0.07 80.70 01:50:24 0 25.22 0.00 2.19 0.87 0.08 71.64 01:50:24 1 8.46 0.00 1.44 0.28 0.07 89.76 Average: all 3.07 0.00 0.40 0.11 0.04 96.38 Average: 0 4.37 0.00 0.46 0.17 0.05 94.95 Average: 1 1.77 0.00 0.33 0.05 0.04 97.81