---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26057 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 7.9G 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 780 5112 4 2349 7161 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:fb:14:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 49587sec preferred_lft 49587sec inet6 fe80::f816:3eff:fefb:14f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26057) 06/10/26 _x86_64_ (2 CPU) 00:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.84 0.02 1.81 0.02 0.83 21.52 0.23 00:20:11 1.86 0.10 1.73 0.03 3.00 23.91 472.97 00:30:08 1.78 0.00 1.76 0.02 0.00 20.30 0.35 00:40:01 25.75 3.02 20.40 2.33 228.10 3494.71 1328.43 00:50:12 1.53 0.00 1.51 0.01 0.00 17.30 1.06 01:00:12 1.82 0.00 1.78 0.04 0.00 21.38 2.24 01:10:01 2.22 0.04 1.84 0.33 1.10 59.43 1888.72 Average: 5.22 0.45 4.38 0.39 32.99 517.96 523.00 00:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6119956 7516504 292312 3.59 54512 1538196 550424 6.00 472240 1309564 280 00:20:11 6124748 7482932 325812 4.01 54652 1499632 547256 5.96 470672 1270920 264 00:30:08 6131376 7490136 318608 3.92 54764 1500088 549088 5.98 472148 1271364 324 00:40:01 5112860 7393212 363368 4.47 105868 2326012 642132 6.99 596692 2103272 244 00:50:12 5112116 7392932 363736 4.47 106000 2326396 642228 7.00 596996 2103788 296 01:00:12 5109944 7391236 365260 4.49 106132 2326748 643252 7.01 597156 2104272 252 01:10:01 5295132 7388672 377208 4.64 106456 2147156 632752 6.89 612328 1924812 11028 Average: 5572305 7436518 343758 4.23 84055 1952033 601019 6.55 545462 1726856 1813 00:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.40 0.07 0.09 0.03 0.00 0.00 0.00 0.00 00:20:11 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:20:11 ens3 0.69 0.06 0.10 0.02 0.00 0.00 0.00 0.00 00:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:08 ens3 0.72 0.13 0.19 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 64.84 44.81 320.79 11.58 0.00 0.00 0.00 0.00 00:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 3.14 0.31 0.49 0.13 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.75 0.25 0.12 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 5.56 3.95 7.70 1.93 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 10.78 7.02 46.63 1.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26057) 06/10/26 _x86_64_ (2 CPU) 00:00:10 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.09 0.01 0.03 99.63 00:10:01 0 0.45 0.00 0.07 0.02 0.01 99.44 00:10:01 1 0.04 0.00 0.11 0.00 0.04 99.81 00:20:11 all 0.58 0.00 0.21 0.01 0.03 99.17 00:20:11 0 0.60 0.00 0.20 0.01 0.02 99.17 00:20:11 1 0.57 0.00 0.21 0.01 0.04 99.17 00:30:08 all 0.23 0.00 0.16 0.01 0.03 99.58 00:30:08 0 0.40 0.00 0.15 0.01 0.02 99.42 00:30:08 1 0.05 0.00 0.16 0.01 0.03 99.74 00:40:01 all 11.62 0.01 1.68 0.59 0.05 86.05 00:40:01 0 12.83 0.01 1.88 0.67 0.04 84.58 00:40:01 1 10.42 0.01 1.48 0.52 0.05 87.52 00:50:12 all 0.37 0.00 0.13 0.01 0.06 99.44 00:50:12 0 0.40 0.00 0.10 0.00 0.04 99.46 00:50:12 1 0.33 0.00 0.16 0.02 0.07 99.41 01:00:12 all 0.40 0.00 0.22 0.01 0.05 99.31 01:00:12 0 0.32 0.00 0.28 0.02 0.07 99.32 01:00:12 1 0.48 0.00 0.17 0.01 0.04 99.31 01:10:01 all 0.84 0.00 0.21 0.02 0.05 98.88 01:10:01 0 1.08 0.00 0.24 0.01 0.06 98.61 01:10:01 1 0.59 0.00 0.19 0.03 0.04 99.15 Average: all 2.02 0.00 0.38 0.10 0.04 97.46 Average: 0 2.28 0.00 0.41 0.10 0.04 97.17 Average: 1 1.77 0.00 0.35 0.09 0.04 97.75