---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2906 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: 5599.86 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 780 4819 4 2643 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:b1:6a:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5049sec preferred_lft 5049sec inet6 fe80::f816:3eff:feb1:6a1b/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-2906) 04/16/26 _x86_64_ (2 CPU) 00:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:12 1.76 0.02 1.73 0.02 0.81 20.61 0.21 00:20:12 1.81 0.11 1.68 0.03 3.05 23.61 481.13 00:30:02 1.74 0.00 1.72 0.02 0.00 18.95 0.38 00:40:12 22.81 2.96 17.69 2.16 222.60 3052.45 946.74 00:50:12 1.41 0.00 1.40 0.01 0.00 15.76 0.97 01:00:12 1.93 0.00 1.89 0.04 0.00 22.56 1.68 01:10:02 1.85 0.00 1.81 0.04 0.00 391.07 1.63 01:20:12 1.87 0.00 1.84 0.04 0.00 237.19 1.06 01:30:12 1.81 0.00 1.77 0.04 0.00 20.96 0.72 Average: 4.15 0.35 3.53 0.27 25.57 427.83 161.12 00:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:12 6087524 7486292 322708 3.97 54632 1540076 567712 6.18 497964 1309472 244 00:20:12 6134772 7495112 313796 3.86 54764 1501468 564988 6.15 496544 1270780 236 00:30:02 6139084 7499896 308940 3.80 54900 1501796 565052 6.15 496508 1271244 216 00:40:12 5017608 7205712 555792 6.83 103964 2239516 831564 9.06 784804 2012912 124 00:50:12 4912912 7101492 660024 8.12 104072 2239892 927772 10.11 880228 2013396 208 01:00:12 4934156 7123480 637644 7.84 104184 2240536 960732 10.46 846132 2014020 264 01:10:02 4835200 7135840 624176 7.68 104332 2350668 961484 10.47 848200 2124296 276 01:20:12 4542776 6911180 847868 10.43 104444 2417384 1080912 11.77 1023544 2191124 180 01:30:12 4612956 6981944 777092 9.56 104564 2417824 1033412 11.26 975320 2191692 264 Average: 5246332 7215661 560893 6.90 87762 2049907 832625 9.07 761027 1822104 224 00:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:12 ens3 0.24 0.14 0.07 0.58 0.00 0.00 0.00 0.00 00:20:12 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:12 ens3 0.21 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.51 0.12 0.18 0.10 0.00 0.00 0.00 0.00 00:40:12 lo 1.30 1.30 0.11 0.11 0.00 0.00 0.00 0.00 00:40:12 ens3 80.67 63.68 670.27 12.27 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 23.58 18.69 306.59 1.32 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 78.83 73.34 1197.08 4.82 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 36.84 33.98 557.55 2.28 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 34.21 31.80 529.68 2.73 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 12.51 12.07 197.43 0.83 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 29.87 26.10 385.50 2.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2906) 04/16/26 _x86_64_ (2 CPU) 00:00:12 CPU %user %nice %system %iowait %steal %idle 00:10:12 all 0.25 0.00 0.09 0.01 0.04 99.62 00:10:12 0 0.05 0.00 0.11 0.01 0.05 99.78 00:10:12 1 0.45 0.00 0.06 0.00 0.03 99.45 00:20:12 all 0.64 0.00 0.21 0.01 0.04 99.11 00:20:12 0 0.77 0.00 0.20 0.01 0.03 99.00 00:20:12 1 0.51 0.00 0.21 0.01 0.05 99.22 00:30:02 all 0.23 0.00 0.14 0.01 0.04 99.58 00:30:02 0 0.28 0.00 0.13 0.00 0.03 99.56 00:30:02 1 0.18 0.00 0.15 0.01 0.05 99.61 00:40:12 all 10.72 0.00 1.70 0.49 0.06 87.04 00:40:12 0 11.01 0.00 1.65 0.55 0.06 86.73 00:40:12 1 10.43 0.00 1.74 0.43 0.06 87.34 00:50:12 all 0.50 0.00 0.21 0.01 0.09 99.19 00:50:12 0 0.49 0.00 0.25 0.00 0.11 99.15 00:50:12 1 0.51 0.00 0.17 0.01 0.08 99.23 01:00:12 all 1.03 0.00 0.62 0.01 0.09 98.24 01:00:12 0 0.68 0.00 0.36 0.00 0.08 98.88 01:00:12 1 1.39 0.00 0.88 0.01 0.11 97.61 01:10:02 all 0.88 0.00 0.28 0.01 0.10 98.73 01:10:02 0 0.62 0.00 0.11 0.01 0.06 99.19 01:10:02 1 1.14 0.00 0.46 0.01 0.13 98.26 01:20:12 all 0.75 0.00 0.27 0.01 0.10 98.86 01:20:12 0 0.99 0.00 0.43 0.01 0.13 98.44 01:20:12 1 0.52 0.00 0.12 0.01 0.07 99.28 01:30:12 all 0.49 0.00 0.27 0.01 0.09 99.14 01:30:12 0 0.53 0.00 0.33 0.01 0.11 99.02 01:30:12 1 0.46 0.00 0.21 0.01 0.08 99.25 Average: all 1.74 0.00 0.42 0.06 0.07 97.70 Average: 0 1.73 0.00 0.40 0.07 0.07 97.73 Average: 1 1.75 0.00 0.45 0.06 0.07 97.68