---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64935 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 5210 4 2265 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:69:5a:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80933sec preferred_lft 80933sec inet6 fe80::f816:3eff:fe69:5a5b/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-64935) 04/01/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 1.60 0.01 1.57 0.01 0.05 18.70 424.62 01:10:18 1.40 0.00 1.39 0.02 0.00 15.93 1.09 01:20:01 1.35 0.00 1.33 0.02 0.01 15.55 1.24 01:30:18 2.10 0.31 1.75 0.04 37.91 73.49 213.31 01:40:18 1.39 0.01 1.36 0.02 1.05 16.49 1.15 01:50:01 36.66 3.12 17.46 16.07 234.62 3222.17 111509.34 02:00:18 1.84 0.00 1.82 0.02 0.47 70.96 0.51 02:10:18 1.43 0.00 1.43 0.01 0.35 108.09 0.08 Average: 5.83 0.42 3.45 1.96 33.49 430.22 13576.35 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 6293476 7540352 279996 3.44 30704 1422044 528940 5.76 448048 1183536 220 01:10:18 6292788 7540212 280132 3.44 30916 1422372 528940 5.76 448232 1184076 168 01:20:01 6292788 7540752 279568 3.44 31128 1422692 529004 5.76 448476 1184608 184 01:30:18 6243384 7520060 299652 3.68 31520 1450636 735184 8.01 465712 1201880 176 01:40:18 6258560 7536208 283596 3.49 31716 1451404 529356 5.77 460604 1202396 212 01:50:01 5360056 7468092 303636 3.73 85216 2187148 560784 6.11 544992 1946064 2212 02:00:18 5292080 7413632 358032 4.40 85384 2200580 656896 7.15 598152 1959648 1412 02:10:18 5291060 7445236 326368 4.01 85548 2232880 559848 6.10 544008 1992024 6388 Average: 5915524 7500568 301372 3.71 51516 1723720 578619 6.30 494778 1481779 1372 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.77 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 1.60 0.08 8.29 0.06 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 1.25 0.09 0.36 0.06 0.00 0.00 0.00 0.00 01:30:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 0.70 0.25 3.02 0.05 0.00 0.00 0.00 0.00 01:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 0.76 0.26 0.22 0.81 0.00 0.00 0.00 0.00 01:50:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 53.36 39.71 305.70 10.95 0.00 0.00 0.00 0.00 02:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 44.98 37.56 8.96 4.50 0.00 0.00 0.00 0.00 02:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 50.57 49.65 10.67 6.66 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 19.15 15.89 40.97 2.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64935) 04/01/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 0.27 0.00 0.17 0.01 0.04 99.51 01:00:18 0 0.24 0.00 0.18 0.01 0.04 99.53 01:00:18 1 0.30 0.00 0.16 0.01 0.04 99.49 01:10:18 all 0.25 0.00 0.07 0.01 0.04 99.62 01:10:18 0 0.05 0.00 0.08 0.00 0.05 99.82 01:10:18 1 0.45 0.00 0.07 0.02 0.04 99.42 01:20:01 all 0.23 0.00 0.07 0.01 0.04 99.66 01:20:01 0 0.37 0.00 0.06 0.00 0.03 99.54 01:20:01 1 0.09 0.00 0.08 0.02 0.05 99.77 01:30:18 all 0.36 0.00 0.18 0.03 0.04 99.40 01:30:18 0 0.36 0.00 0.17 0.03 0.04 99.40 01:30:18 1 0.35 0.00 0.18 0.03 0.04 99.39 01:40:18 all 0.16 0.00 0.07 0.01 0.04 99.71 01:40:18 0 0.18 0.00 0.05 0.01 0.04 99.72 01:40:18 1 0.15 0.00 0.09 0.02 0.04 99.70 01:50:01 all 10.76 0.00 1.66 0.67 0.05 86.85 01:50:01 0 10.02 0.00 1.69 0.78 0.06 87.46 01:50:01 1 11.51 0.00 1.64 0.56 0.05 86.25 02:00:18 all 6.20 0.00 0.51 0.02 0.08 93.19 02:00:18 0 7.16 0.00 0.45 0.01 0.07 92.31 02:00:18 1 5.23 0.00 0.56 0.04 0.08 94.09 02:10:18 all 9.16 0.00 0.52 0.02 0.08 90.22 02:10:18 0 9.21 0.00 0.55 0.03 0.08 90.12 02:10:18 1 9.10 0.00 0.49 0.01 0.08 90.32 Average: all 3.39 0.00 0.40 0.10 0.05 96.06 Average: 0 3.42 0.00 0.40 0.11 0.05 96.03 Average: 1 3.36 0.00 0.41 0.09 0.05 96.10