---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2436 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 760 4837 4 2644 7181 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:fe:e5:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5071sec preferred_lft 5071sec inet6 fe80::f816:3eff:fefe:e5d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2436) 04/14/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.01 1.78 0.01 0.81 21.66 0.23 00:20:01 1.86 0.11 1.73 0.02 3.05 23.80 522.17 00:30:02 1.89 0.00 1.87 0.02 0.00 21.19 216.21 00:40:03 23.73 3.01 18.52 2.20 225.95 3094.33 458.48 00:50:01 1.52 0.00 1.51 0.02 0.00 16.78 1.56 01:00:05 1.72 0.00 1.69 0.03 0.00 19.98 1.95 01:10:07 1.69 0.00 1.64 0.04 0.00 400.43 5.50 01:20:01 1.81 0.00 1.77 0.04 0.00 214.28 5.54 01:30:11 1.92 0.00 1.86 0.06 0.00 21.79 5.03 Average: 4.22 0.35 3.60 0.27 25.52 425.59 135.05 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6115524 7516536 292024 3.59 56996 1540080 527760 5.75 471208 1312284 364 00:20:01 6130828 7493412 315032 3.87 57104 1501492 526028 5.73 469824 1273588 240 00:30:02 6133424 7496496 311676 3.83 57264 1501860 581104 6.33 475012 1274072 268 00:40:03 5052028 7241548 519352 6.39 105916 2239084 762148 8.30 740964 2014872 292 00:50:01 4910116 7100080 660856 8.13 106032 2239436 857968 9.34 836180 2015344 252 01:00:05 4910900 7101632 659260 8.11 106148 2240092 904820 9.86 865676 2015988 312 01:10:07 4850648 7158412 601216 7.39 106324 2355844 872464 9.50 834836 2131916 240 01:20:01 4644632 7011404 747100 9.19 106448 2413936 1048356 11.42 961120 2190120 252 01:30:11 4686308 7053680 704856 8.67 106556 2414404 942140 10.26 904080 2190704 172 Average: 5270490 7241467 534597 6.57 89865 2049581 780310 8.50 728767 1824321 266 00:00:00 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 0.21 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.14 0.06 0.04 0.02 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 0.50 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 73.98 53.13 607.20 12.32 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 15.50 12.36 381.82 0.97 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 35.62 35.07 1104.84 2.35 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 18.58 18.32 554.79 1.27 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 16.28 15.96 487.83 1.12 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 6.36 6.07 181.57 0.44 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.57 15.68 368.68 2.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2436) 04/14/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.10 0.01 0.04 99.61 00:10:01 0 0.39 0.00 0.09 0.01 0.03 99.47 00:10:01 1 0.10 0.00 0.10 0.01 0.05 99.75 00:20:01 all 0.59 0.00 0.20 0.01 0.04 99.15 00:20:01 0 0.78 0.00 0.21 0.02 0.04 98.96 00:20:01 1 0.40 0.00 0.20 0.01 0.04 99.35 00:30:02 all 0.27 0.00 0.17 0.01 0.04 99.51 00:30:02 0 0.12 0.00 0.17 0.01 0.05 99.65 00:30:02 1 0.41 0.00 0.17 0.01 0.03 99.37 00:40:03 all 10.82 0.00 1.68 0.52 0.06 86.92 00:40:03 0 14.92 0.00 2.11 0.69 0.08 82.20 00:40:03 1 6.72 0.00 1.24 0.35 0.05 91.64 00:50:01 all 0.54 0.00 0.22 0.01 0.09 99.14 00:50:01 0 0.43 0.00 0.11 0.02 0.08 99.36 00:50:01 1 0.65 0.00 0.32 0.01 0.11 98.91 01:00:05 all 0.91 0.00 0.54 0.01 0.10 98.44 01:00:05 0 1.34 0.00 0.79 0.01 0.10 97.75 01:00:05 1 0.49 0.00 0.29 0.02 0.09 99.12 01:10:07 all 0.85 0.00 0.26 0.02 0.10 98.77 01:10:07 0 0.91 0.00 0.24 0.01 0.12 98.72 01:10:07 1 0.80 0.00 0.27 0.02 0.08 98.82 01:20:01 all 0.75 0.00 0.25 0.01 0.10 98.89 01:20:01 0 0.63 0.00 0.16 0.01 0.08 99.12 01:20:01 1 0.87 0.00 0.35 0.01 0.12 98.65 01:30:11 all 0.50 0.00 0.28 0.01 0.09 99.12 01:30:11 0 0.43 0.00 0.19 0.02 0.06 99.30 01:30:11 1 0.56 0.00 0.37 0.01 0.12 98.94 Average: all 1.72 0.00 0.41 0.07 0.07 97.73 Average: 0 2.22 0.00 0.45 0.09 0.07 97.17 Average: 1 1.22 0.00 0.37 0.05 0.08 98.28