---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31499 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: 5600.00 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 755 5212 4 2266 7186 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:dd:bd:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81343sec preferred_lft 81343sec inet6 fe80::f816:3eff:fedd:bd4d/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-31499) 06/29/26 _x86_64_ (2 CPU) 02:19:27 LINUX RESTART (2 CPU) 02:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 1.96 0.03 1.89 0.03 1.44 31.00 880.47 02:40:09 1.31 0.01 1.30 0.01 0.05 15.59 0.71 02:50:09 1.21 0.00 1.20 0.02 0.00 14.56 1.09 03:00:09 13.98 0.00 1.41 12.56 0.15 17.47 109830.99 03:10:00 1.60 0.26 1.32 0.03 31.47 66.90 1.38 03:20:09 1.35 0.01 1.32 0.02 1.05 23.34 1.25 03:30:09 1.45 0.00 1.44 0.01 0.00 18.23 0.55 03:40:09 26.87 3.00 21.44 2.42 226.96 4003.04 2118.15 Average: 6.21 0.41 3.91 1.89 32.56 523.34 14094.33 02:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 6276032 7522660 297728 3.66 30528 1421972 531880 5.79 455292 1183044 124 02:40:09 6291460 7538616 281768 3.46 30712 1422312 531880 5.79 455392 1183568 132 02:50:09 6293376 7541076 279308 3.43 30940 1422632 531888 5.79 455476 1184116 132 03:00:09 6276084 7524376 295924 3.64 31148 1423008 532116 5.80 455616 1184672 184 03:10:00 6082340 7357656 462144 5.68 31492 1449348 730288 7.95 610536 1202576 2344 03:20:09 6219380 7495736 324104 3.99 31736 1450112 532116 5.80 464956 1203160 180 03:30:09 6226720 7503600 316120 3.89 31908 1450436 532804 5.80 465876 1203656 124 03:40:09 5082240 7282916 483964 5.95 87056 2274008 691880 7.54 637828 2036956 212 Average: 6093454 7470830 342632 4.21 38190 1539228 576856 6.28 500122 1297718 429 02:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 2.15 0.09 0.38 0.04 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.69 0.08 0.10 0.04 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 1.06 0.07 7.45 0.03 0.00 0.00 0.00 0.00 03:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:09 ens3 0.63 0.10 0.69 0.06 0.00 0.00 0.00 0.00 03:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 2.36 1.72 3.36 0.13 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 0.25 0.04 0.05 0.01 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 0.51 0.20 0.14 0.60 0.00 0.00 0.00 0.00 03:40:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:40:09 ens3 136.01 112.06 1408.74 84.37 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 17.94 14.28 177.49 10.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31499) 06/29/26 _x86_64_ (2 CPU) 02:19:27 LINUX RESTART (2 CPU) 02:20:05 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.31 0.00 0.25 0.01 0.04 99.39 02:30:01 0 0.30 0.00 0.25 0.02 0.04 99.39 02:30:01 1 0.32 0.00 0.24 0.01 0.04 99.39 02:40:09 all 0.27 0.00 0.07 0.01 0.04 99.61 02:40:09 0 0.48 0.00 0.06 0.01 0.03 99.42 02:40:09 1 0.05 0.00 0.08 0.00 0.04 99.81 02:50:09 all 0.25 0.00 0.07 0.01 0.04 99.63 02:50:09 0 0.46 0.00 0.06 0.01 0.03 99.44 02:50:09 1 0.05 0.00 0.08 0.02 0.05 99.81 03:00:09 all 0.22 0.00 0.18 0.04 0.03 99.52 03:00:09 0 0.34 0.00 0.17 0.02 0.03 99.45 03:00:09 1 0.11 0.00 0.20 0.06 0.04 99.60 03:10:00 all 0.35 0.00 0.09 0.03 0.04 99.49 03:10:00 0 0.18 0.00 0.09 0.02 0.04 99.66 03:10:00 1 0.51 0.00 0.09 0.04 0.04 99.32 03:20:09 all 0.23 0.00 0.08 0.01 0.04 99.65 03:20:09 0 0.41 0.00 0.07 0.01 0.03 99.48 03:20:09 1 0.04 0.00 0.09 0.01 0.04 99.82 03:30:09 all 0.27 0.00 0.16 0.01 0.04 99.52 03:30:09 0 0.38 0.00 0.14 0.02 0.03 99.43 03:30:09 1 0.15 0.00 0.18 0.01 0.05 99.61 03:40:09 all 14.71 0.00 2.06 0.68 0.07 82.47 03:40:09 0 17.71 0.00 2.53 0.59 0.07 79.12 03:40:09 1 11.73 0.00 1.60 0.77 0.08 85.83 Average: all 2.07 0.00 0.37 0.10 0.04 97.42 Average: 0 2.52 0.00 0.42 0.09 0.04 96.93 Average: 1 1.62 0.00 0.32 0.12 0.05 97.90