---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8208 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 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 745 5297 4 2187 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:76:29:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81631sec preferred_lft 81631sec inet6 fe80::f816:3eff:fe76:29d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8208) 03/23/26 _x86_64_ (2 CPU) 01:52:28 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:16 1.87 0.32 1.53 0.02 39.14 71.33 0.61 02:20:16 1.26 0.00 1.24 0.02 0.01 14.97 1.20 02:30:01 1.46 0.00 1.43 0.03 0.00 17.84 1.55 02:40:17 1.35 0.00 1.33 0.02 0.00 16.13 1.17 02:50:15 1.32 0.00 1.31 0.02 0.00 15.71 1.20 03:00:00 20.54 3.09 15.34 2.10 233.03 2537.86 574.80 03:10:19 3.51 0.02 3.27 0.22 1.62 660.47 49.22 Average: 4.40 0.48 3.59 0.34 38.26 468.48 87.75 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:16 6249668 7529788 290364 3.57 30908 1454468 527296 5.74 456636 1203936 120 02:20:16 6256500 7537148 282988 3.48 31104 1454800 527496 5.75 456788 1204464 120 02:30:01 6250476 7531704 288372 3.55 31320 1455132 527496 5.75 456876 1205012 124 02:40:17 6250476 7532256 287808 3.54 31544 1455452 527496 5.75 456948 1205556 176 02:50:15 6266100 7548544 271512 3.34 31740 1455912 527496 5.75 457132 1206084 204 03:00:00 5293280 7401212 370644 4.56 84564 2187484 629504 6.86 613796 1945068 181776 03:10:19 5348356 7465548 306432 3.77 85204 2196212 563848 6.14 550520 1954212 2564 Average: 5987837 7506600 299731 3.69 46626 1665637 547233 5.96 492671 1417762 26441 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 1.01 0.18 3.01 0.03 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.37 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.30 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.33 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:15 ens3 0.20 0.02 0.04 0.01 0.00 0.00 0.00 0.00 03:00:00 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:00 ens3 38.69 26.58 298.37 7.60 0.00 0.00 0.00 0.00 03:10:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:19 ens3 63.77 43.79 15.39 11.00 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 15.05 10.16 44.10 2.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8208) 03/23/26 _x86_64_ (2 CPU) 01:52:28 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:16 all 0.36 0.00 0.11 0.02 0.03 99.49 02:10:16 0 0.36 0.00 0.12 0.04 0.03 99.45 02:10:16 1 0.35 0.00 0.09 0.01 0.03 99.52 02:20:16 all 0.25 0.00 0.07 0.01 0.03 99.65 02:20:16 0 0.06 0.00 0.08 0.02 0.03 99.81 02:20:16 1 0.44 0.00 0.06 0.00 0.03 99.48 02:30:01 all 0.27 0.00 0.17 0.01 0.02 99.53 02:30:01 0 0.18 0.00 0.17 0.01 0.02 99.62 02:30:01 1 0.36 0.00 0.17 0.02 0.02 99.43 02:40:17 all 0.25 0.00 0.07 0.05 0.02 99.61 02:40:17 0 0.31 0.00 0.06 0.02 0.02 99.59 02:40:17 1 0.19 0.00 0.08 0.07 0.02 99.63 02:50:15 all 0.25 0.00 0.09 0.02 0.02 99.63 02:50:15 0 0.21 0.00 0.09 0.00 0.02 99.67 02:50:15 1 0.29 0.00 0.08 0.03 0.02 99.58 03:00:00 all 11.00 0.00 1.72 0.58 0.04 86.66 03:00:00 0 10.34 0.00 1.68 0.80 0.04 87.14 03:00:00 1 11.66 0.00 1.76 0.36 0.05 86.18 03:10:19 all 5.57 0.00 0.68 0.04 0.04 93.66 03:10:19 0 4.93 0.00 0.60 0.02 0.04 94.41 03:10:19 1 6.22 0.00 0.76 0.06 0.05 92.92 Average: all 2.54 0.00 0.41 0.10 0.03 96.92 Average: 0 2.32 0.00 0.39 0.13 0.03 97.13 Average: 1 2.76 0.00 0.42 0.08 0.03 96.71