---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25237 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 783 5168 4 2282 7158 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:b1:c5:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81417sec preferred_lft 81417sec inet6 fe80::f816:3eff:feb1:c54c/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-25237) 06/06/26 _x86_64_ (2 CPU) 00:42:57 LINUX RESTART (2 CPU) 00:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:20 1.50 0.01 1.47 0.02 1.11 18.56 871.60 01:10:01 1.17 0.00 1.15 0.02 0.00 14.10 1.11 01:20:20 1.25 0.00 1.23 0.02 0.01 15.20 1.18 01:30:20 1.41 0.00 1.38 0.03 0.00 17.23 872.16 01:40:01 1.41 0.00 1.39 0.02 0.00 17.30 226.12 01:50:13 1.77 0.39 1.36 0.02 15.48 46.97 1.18 02:00:20 23.09 2.57 18.22 2.30 209.25 3385.84 485.83 Average: 4.55 0.43 3.77 0.35 32.66 507.95 351.10 00:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:20 6261168 7536056 284112 3.49 30868 1449332 520408 5.67 450412 1200580 132 01:10:01 6260944 7536340 283824 3.49 31040 1449660 520416 5.67 450648 1201080 152 01:20:20 6272660 7548612 271544 3.34 31260 1449992 520548 5.67 451020 1201632 132 01:30:20 6265648 7542160 277936 3.42 31464 1450320 520740 5.67 451428 1202164 224 01:40:01 6266908 7544108 275912 3.39 31688 1450772 520796 5.67 451992 1202712 168 01:50:13 6223876 7516224 303588 3.73 32048 1465392 541752 5.90 491480 1216184 172 02:00:20 5181032 7389264 377980 4.65 87072 2281348 652252 7.10 618268 2043112 160 Average: 6104605 7516109 296414 3.64 39349 1570974 542416 5.91 480750 1323923 163 00:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:20 ens3 0.62 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.64 0.05 3.30 0.03 0.00 0.00 0.00 0.00 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 0.75 0.14 0.38 0.12 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 0.39 0.17 0.08 0.55 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.49 0.12 0.15 0.08 0.00 0.00 0.00 0.00 01:50:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:13 ens3 8.65 4.59 19.55 2.71 0.00 0.00 0.00 0.00 02:00:20 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:20 ens3 95.71 69.26 303.09 15.29 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 15.51 10.76 47.22 2.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25237) 06/06/26 _x86_64_ (2 CPU) 00:42:57 LINUX RESTART (2 CPU) 00:50:20 CPU %user %nice %system %iowait %steal %idle 01:00:20 all 0.29 0.00 0.18 0.01 0.03 99.50 01:00:20 0 0.19 0.00 0.19 0.01 0.03 99.58 01:00:20 1 0.38 0.00 0.17 0.01 0.03 99.41 01:10:01 all 0.25 0.00 0.07 0.01 0.03 99.65 01:10:01 0 0.05 0.00 0.09 0.01 0.04 99.82 01:10:01 1 0.45 0.00 0.04 0.01 0.02 99.47 01:20:20 all 0.23 0.00 0.07 0.01 0.03 99.66 01:20:20 0 0.23 0.00 0.07 0.01 0.03 99.66 01:20:20 1 0.22 0.00 0.07 0.02 0.03 99.66 01:30:20 all 0.25 0.00 0.15 0.01 0.03 99.56 01:30:20 0 0.27 0.00 0.15 0.02 0.03 99.54 01:30:20 1 0.23 0.00 0.16 0.00 0.03 99.58 01:40:01 all 0.26 0.00 0.07 0.01 0.03 99.63 01:40:01 0 0.47 0.00 0.06 0.02 0.02 99.44 01:40:01 1 0.05 0.00 0.08 0.01 0.04 99.83 01:50:13 all 0.45 0.00 0.08 0.02 0.03 99.42 01:50:13 0 0.41 0.00 0.08 0.01 0.03 99.46 01:50:13 1 0.50 0.00 0.08 0.02 0.03 99.38 02:00:20 all 13.97 0.00 2.01 0.51 0.06 83.45 02:00:20 0 10.08 0.00 1.74 0.28 0.06 87.84 02:00:20 1 17.85 0.00 2.29 0.74 0.06 79.07 Average: all 2.26 0.00 0.38 0.08 0.03 97.24 Average: 0 1.69 0.00 0.34 0.05 0.03 97.89 Average: 1 2.84 0.00 0.42 0.12 0.03 96.60