---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-461 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 745 5208 4 2281 7196 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:d6:2b:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81410sec preferred_lft 81410sec inet6 fe80::f816:3eff:fed6:2ba6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-461) 07/30/26 _x86_64_ (2 CPU) 00:39:01 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:12 14.59 0.28 1.98 12.33 32.81 85.20 107172.18 01:00:01 1.63 0.01 1.61 0.02 0.05 18.92 0.76 01:10:02 1.39 0.00 1.39 0.00 0.00 16.05 0.00 01:20:02 1.40 0.00 1.40 0.00 0.01 16.21 0.00 01:30:12 1.67 0.00 1.66 0.01 0.00 19.65 0.26 01:40:00 13.12 1.54 10.63 0.94 113.95 1667.58 272.39 01:50:12 13.00 1.33 10.28 1.39 111.90 1857.81 360.58 02:00:02 1.62 0.00 1.59 0.02 0.00 24.62 0.28 Average: 6.08 0.39 3.82 1.87 32.40 463.75 13718.73 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:12 6261900 7540292 279548 3.44 30788 1452872 519648 5.66 453944 1205180 260 01:00:01 6263168 7542092 277632 3.41 30980 1453176 519720 5.66 454080 1205676 124 01:10:02 6259148 7538584 281116 3.46 31164 1453508 520360 5.67 455616 1206184 260 01:20:02 6258924 7538852 280848 3.45 31312 1453836 520360 5.67 455924 1206668 184 01:30:12 6270312 7550820 268868 3.31 31512 1454204 520480 5.67 456004 1207236 168 01:40:00 5434280 7374760 404948 4.98 71648 2039840 604548 6.58 573860 1816512 230824 01:50:12 5162992 7374904 391236 4.81 87464 2283968 617172 6.72 590876 2047264 276 02:00:02 5221516 7436504 329576 4.05 87588 2286920 548260 5.97 548808 2050340 1668 Average: 5891530 7487101 314222 3.86 50307 1734790 546318 5.95 498639 1493132 29220 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 2.63 0.29 3.55 0.07 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.38 0.04 0.04 0.01 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 0.38 0.05 0.09 0.04 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.43 0.11 0.13 0.08 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 0.52 0.23 0.15 0.70 0.00 0.00 0.00 0.00 01:40:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:40:00 ens3 39.58 25.28 282.88 6.08 0.00 0.00 0.00 0.00 01:50:12 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:50:12 ens3 32.46 24.70 62.71 5.74 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 12.06 10.45 97.46 1.06 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 11.02 7.62 55.15 1.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-461) 07/30/26 _x86_64_ (2 CPU) 00:39:01 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:12 all 0.38 0.00 0.13 0.06 0.05 99.39 00:50:12 0 0.46 0.00 0.15 0.10 0.05 99.25 00:50:12 1 0.30 0.00 0.11 0.02 0.04 99.52 01:00:01 all 0.29 0.00 0.16 0.01 0.05 99.49 01:00:01 0 0.07 0.00 0.18 0.02 0.06 99.67 01:00:01 1 0.51 0.00 0.14 0.01 0.03 99.30 01:10:02 all 0.30 0.00 0.08 0.01 0.05 99.56 01:10:02 0 0.44 0.00 0.06 0.02 0.04 99.44 01:10:02 1 0.16 0.00 0.10 0.00 0.06 99.68 01:20:02 all 0.22 0.00 0.08 0.01 0.05 99.64 01:20:02 0 0.32 0.00 0.08 0.02 0.05 99.53 01:20:02 1 0.12 0.00 0.08 0.00 0.05 99.75 01:30:12 all 0.27 0.00 0.16 0.01 0.04 99.52 01:30:12 0 0.33 0.00 0.15 0.02 0.04 99.47 01:30:12 1 0.20 0.00 0.18 0.01 0.05 99.57 01:40:00 all 6.18 0.00 0.87 0.58 0.05 92.31 01:40:00 0 9.12 0.00 1.11 0.81 0.07 88.88 01:40:00 1 3.25 0.00 0.62 0.35 0.04 95.74 01:50:12 all 6.22 0.00 0.97 0.29 0.09 92.42 01:50:12 0 4.34 0.00 0.90 0.30 0.09 94.37 01:50:12 1 8.10 0.00 1.05 0.28 0.09 90.48 02:00:02 all 0.95 0.00 0.29 0.01 0.10 98.64 02:00:02 0 1.32 0.00 0.33 0.01 0.12 98.24 02:00:02 1 0.59 0.00 0.26 0.02 0.09 99.04 Average: all 1.85 0.00 0.34 0.12 0.06 97.63 Average: 0 2.04 0.00 0.37 0.16 0.06 97.37 Average: 1 1.66 0.00 0.32 0.09 0.06 97.88