---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11232 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 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 785 5174 4 2270 7156 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:7d:3f:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80172sec preferred_lft 80172sec inet6 fe80::f816:3eff:fe7d:3f59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11232) 05/06/26 _x86_64_ (2 CPU) 01:58:40 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:09 1.31 0.02 1.28 0.00 1.22 15.57 0.12 02:20:09 1.24 0.01 1.23 0.01 0.07 14.71 0.72 02:30:00 1.36 0.00 1.33 0.03 0.00 16.62 664.21 02:40:02 1.83 0.26 1.55 0.03 31.92 74.05 1.21 02:50:09 13.70 0.00 1.28 12.42 0.15 15.53 107965.87 03:00:00 1.39 0.00 1.36 0.03 0.00 16.99 663.90 03:10:09 23.07 2.98 17.91 2.18 224.89 3123.16 571.82 03:20:09 1.46 0.00 1.45 0.01 0.00 43.75 0.15 03:30:01 1.62 0.00 1.60 0.02 0.35 47.62 0.27 03:40:09 1.38 0.00 1.38 0.00 0.00 69.14 0.03 Average: 4.88 0.33 3.06 1.49 26.16 347.71 11087.65 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:09 6292428 7538620 281964 3.47 30548 1421552 527108 5.74 445848 1183100 128 02:20:09 6290196 7536936 283632 3.49 30752 1421888 527108 5.74 446048 1183640 200 02:30:00 6295968 7543268 277260 3.41 30964 1422216 527244 5.74 446080 1184180 168 02:40:02 6241544 7515816 304292 3.74 31352 1448456 527308 5.74 455296 1201724 252 02:50:09 6241072 7515944 304008 3.74 31548 1448836 527308 5.74 455348 1202276 288 03:00:00 6245152 7520676 299292 3.68 31744 1449288 531140 5.79 458292 1202792 176 03:10:09 5274432 7397464 374080 4.60 85088 2202044 645668 7.03 605812 1963344 128 03:20:09 5261632 7392676 378880 4.66 85244 2209908 653660 7.12 605560 1971364 600 03:30:01 5250764 7389892 381584 4.69 85416 2217816 653972 7.12 606232 1979340 204 03:40:09 5232720 7388584 382900 4.71 85580 2234376 661396 7.20 613344 1996036 1076 Average: 5862591 7473988 326789 4.02 52824 1747638 578191 6.30 513786 1506780 322 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 1.34 0.05 0.13 0.01 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.38 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 1.28 0.03 3.89 0.01 0.00 0.00 0.00 0.00 02:40:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 0.53 0.23 3.14 0.05 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.23 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.34 0.09 0.13 0.08 0.00 0.00 0.00 0.00 03:10:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:09 ens3 79.32 54.32 303.46 12.66 0.00 0.00 0.00 0.00 03:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:09 ens3 24.88 21.30 4.54 2.58 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 22.88 21.40 4.63 3.18 0.00 0.00 0.00 0.00 03:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:09 ens3 24.82 24.18 5.26 3.62 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.69 12.23 32.91 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11232) 05/06/26 _x86_64_ (2 CPU) 01:58:40 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:09 all 0.24 0.00 0.09 0.03 0.03 99.60 02:10:09 0 0.21 0.00 0.09 0.00 0.03 99.67 02:10:09 1 0.27 0.00 0.10 0.06 0.03 99.54 02:20:09 all 0.26 0.00 0.08 0.06 0.03 99.57 02:20:09 0 0.06 0.00 0.09 0.02 0.03 99.79 02:20:09 1 0.47 0.00 0.07 0.10 0.02 99.35 02:30:00 all 0.23 0.00 0.17 0.01 0.03 99.57 02:30:00 0 0.13 0.00 0.17 0.01 0.03 99.66 02:30:00 1 0.33 0.00 0.16 0.01 0.03 99.48 02:40:02 all 0.37 0.00 0.11 0.06 0.02 99.44 02:40:02 0 0.36 0.00 0.08 0.10 0.03 99.43 02:40:02 1 0.37 0.00 0.13 0.03 0.02 99.44 02:50:09 all 0.27 0.00 0.10 0.05 0.02 99.57 02:50:09 0 0.46 0.00 0.07 0.00 0.02 99.44 02:50:09 1 0.07 0.00 0.12 0.09 0.02 99.70 03:00:00 all 0.33 0.00 0.17 0.01 0.02 99.47 03:00:00 0 0.32 0.00 0.15 0.00 0.02 99.51 03:00:00 1 0.34 0.00 0.18 0.02 0.02 99.43 03:10:09 all 12.89 0.00 1.85 1.47 0.07 83.72 03:10:09 0 15.18 0.00 1.99 1.38 0.07 81.38 03:10:09 1 10.60 0.00 1.71 1.56 0.07 86.07 03:20:09 all 3.70 0.00 0.31 0.01 0.07 95.91 03:20:09 0 3.03 0.00 0.28 0.02 0.07 96.60 03:20:09 1 4.36 0.00 0.34 0.01 0.07 95.22 03:30:01 all 3.70 0.00 0.44 0.56 0.07 95.23 03:30:01 0 3.04 0.00 0.45 1.11 0.07 95.33 03:30:01 1 4.36 0.00 0.44 0.01 0.07 95.12 03:40:09 all 4.93 0.00 0.35 0.01 0.07 94.64 03:40:09 0 5.96 0.00 0.38 0.01 0.08 93.57 03:40:09 1 3.90 0.00 0.32 0.01 0.06 95.70 Average: all 2.70 0.00 0.37 0.23 0.04 96.66 Average: 0 2.89 0.00 0.38 0.26 0.04 96.42 Average: 1 2.51 0.00 0.36 0.19 0.04 96.90