---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12125 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 784 5175 4 2271 7157 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:a3:c1:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80664sec preferred_lft 80664sec inet6 fe80::f816:3eff:fea3:c18a/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-12125) 05/09/26 _x86_64_ (2 CPU) 00:40:55 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 1.65 0.01 1.61 0.03 0.05 19.14 430.58 01:10:20 1.97 0.25 1.69 0.03 31.50 74.14 1.52 01:20:01 1.33 0.00 1.33 0.00 0.01 15.08 0.12 01:30:10 1.50 0.00 1.49 0.01 0.00 18.08 429.47 01:40:20 1.41 0.00 1.41 0.00 0.00 16.60 0.00 01:50:01 1.94 0.46 1.47 0.01 18.49 97.68 0.07 02:00:20 21.58 2.49 16.92 2.17 203.90 2997.81 556.25 02:10:00 1.53 0.00 1.48 0.05 0.36 71.92 1.60 Average: 4.19 0.41 3.49 0.30 32.57 424.87 181.20 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 6299292 7546364 273852 3.37 30708 1422236 529352 5.77 444948 1183672 136 01:10:20 6247680 7521752 298088 3.67 31096 1448496 529520 5.77 454064 1201244 136 01:20:01 6261344 7535872 283908 3.49 31248 1448824 529844 5.77 455252 1201696 280 01:30:10 6262380 7537488 282256 3.47 31444 1449152 529844 5.77 455036 1202248 216 01:40:20 6263496 7539236 280512 3.45 31620 1449604 529852 5.77 455272 1202740 180 01:50:01 6153652 7474900 341852 4.20 35048 1489068 577440 6.29 524612 1243844 11052 02:00:20 5256564 7381564 389656 4.79 85220 2204060 667264 7.27 620400 1965132 880 02:10:00 5233112 7373536 397744 4.89 85480 2219144 725216 7.90 628028 1980452 732 Average: 5997190 7488839 318484 3.92 45233 1641323 577292 6.29 504702 1397628 1702 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.54 0.08 0.09 0.03 0.00 0.00 0.00 0.00 01:10:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 0.67 0.21 3.11 0.04 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 0.71 0.26 0.20 0.64 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 0.39 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 18.36 10.80 52.12 4.47 0.00 0.00 0.00 0.00 02:00:20 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 02:00:20 ens3 65.47 49.31 248.96 8.77 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 43.40 41.25 9.85 5.57 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 16.23 12.73 40.04 2.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12125) 05/09/26 _x86_64_ (2 CPU) 00:40:55 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 0.28 0.00 0.15 0.01 0.04 99.51 01:00:10 0 0.46 0.00 0.14 0.00 0.03 99.36 01:00:10 1 0.10 0.00 0.17 0.02 0.05 99.66 01:10:20 all 0.35 0.00 0.10 0.03 0.04 99.49 01:10:20 0 0.22 0.00 0.14 0.02 0.05 99.57 01:10:20 1 0.48 0.00 0.06 0.03 0.03 99.41 01:20:01 all 0.28 0.00 0.07 0.01 0.04 99.60 01:20:01 0 0.13 0.00 0.07 0.01 0.04 99.75 01:20:01 1 0.43 0.00 0.07 0.01 0.04 99.45 01:30:10 all 0.26 0.00 0.15 0.02 0.03 99.54 01:30:10 0 0.06 0.00 0.17 0.02 0.05 99.71 01:30:10 1 0.46 0.00 0.13 0.01 0.02 99.38 01:40:20 all 0.23 0.00 0.07 0.02 0.03 99.66 01:40:20 0 0.19 0.00 0.07 0.04 0.03 99.67 01:40:20 1 0.27 0.00 0.06 0.00 0.02 99.65 01:50:01 all 0.74 0.00 0.16 0.02 0.03 99.06 01:50:01 0 0.94 0.00 0.13 0.02 0.02 98.89 01:50:01 1 0.54 0.00 0.19 0.02 0.03 99.22 02:00:20 all 13.23 0.00 1.82 0.99 0.07 83.89 02:00:20 0 13.57 0.00 1.89 0.94 0.07 83.52 02:00:20 1 12.90 0.00 1.75 1.03 0.07 84.26 02:10:00 all 6.08 0.00 0.51 0.01 0.07 93.33 02:10:00 0 6.76 0.00 0.51 0.01 0.07 92.66 02:10:00 1 5.40 0.00 0.52 0.02 0.07 94.00 Average: all 2.69 0.00 0.38 0.14 0.04 96.74 Average: 0 2.80 0.00 0.39 0.14 0.04 96.63 Average: 1 2.59 0.00 0.37 0.15 0.04 96.85