---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9492 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 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 5169 4 2277 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:73:10:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82027sec preferred_lft 82027sec inet6 fe80::f816:3eff:fe73:1085/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9492) 04/29/26 _x86_64_ (2 CPU) 00:40:27 LINUX RESTART (2 CPU) 00:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.61 0.04 1.54 0.04 3.34 19.35 672.59 01:10:10 1.21 0.00 1.19 0.02 0.00 15.16 1.21 01:20:20 1.21 0.00 1.20 0.00 0.01 14.60 214.20 01:30:00 1.38 0.00 1.36 0.01 0.00 16.84 450.99 01:40:20 15.05 1.28 1.61 12.16 93.30 158.49 105536.45 01:50:22 20.76 1.69 16.86 2.21 130.71 3161.40 1003.32 Average: 6.95 0.51 3.96 2.47 38.42 565.78 18548.29 00:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6240676 7518876 301052 3.70 31020 1452656 527936 5.75 450732 1204696 128 01:10:10 6240176 7518936 300828 3.70 31236 1452992 583164 6.35 456036 1205244 220 01:20:20 6247764 7527016 292780 3.60 31408 1453312 531112 5.78 452948 1205732 176 01:30:00 6256192 7535948 283800 3.49 31552 1453640 531176 5.79 452792 1206212 124 01:40:20 5995452 7396372 416464 5.12 40796 1559768 645724 7.03 592112 1308836 51104 01:50:22 5178004 7343344 409604 5.04 85116 2242396 694496 7.56 639132 2003112 300 Average: 6026377 7473415 334088 4.11 41855 1602461 585601 6.38 507292 1355639 8675 00:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.57 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.43 0.04 0.08 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 0.53 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 20.20 11.73 67.38 4.65 0.00 0.00 0.00 0.00 01:50:22 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:50:22 ens3 62.71 49.90 263.32 11.10 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.24 10.39 55.61 2.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9492) 04/29/26 _x86_64_ (2 CPU) 00:40:27 LINUX RESTART (2 CPU) 00:50:17 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.31 0.00 0.17 0.01 0.04 99.47 01:00:01 0 0.23 0.00 0.18 0.01 0.04 99.54 01:00:01 1 0.39 0.00 0.16 0.02 0.03 99.39 01:10:10 all 0.24 0.00 0.08 0.01 0.04 99.63 01:10:10 0 0.35 0.00 0.07 0.01 0.03 99.54 01:10:10 1 0.14 0.00 0.09 0.01 0.04 99.72 01:20:20 all 0.30 0.00 0.07 0.01 0.04 99.58 01:20:20 0 0.37 0.00 0.06 0.01 0.03 99.53 01:20:20 1 0.23 0.00 0.08 0.01 0.04 99.63 01:30:00 all 0.24 0.00 0.16 0.01 0.04 99.56 01:30:00 0 0.16 0.00 0.16 0.01 0.03 99.63 01:30:00 1 0.32 0.00 0.15 0.01 0.04 99.48 01:40:20 all 1.28 0.00 0.26 0.07 0.03 98.35 01:40:20 0 0.90 0.00 0.17 0.05 0.03 98.85 01:40:20 1 1.67 0.00 0.35 0.09 0.04 97.85 01:50:22 all 15.04 0.00 1.62 0.65 0.07 82.62 01:50:22 0 9.80 0.00 1.41 0.66 0.07 88.07 01:50:22 1 20.27 0.00 1.83 0.65 0.08 77.17 Average: all 2.91 0.00 0.39 0.13 0.04 96.53 Average: 0 1.97 0.00 0.34 0.12 0.04 97.53 Average: 1 3.85 0.00 0.45 0.13 0.05 95.53