---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7318 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 786 5088 4 2364 7155 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:04:46:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7917sec preferred_lft 7917sec inet6 fe80::f816:3eff:fe04:466b/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-7318) 04/25/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:16 1.90 0.01 1.86 0.02 0.81 22.53 216.37 00:20:01 1.89 0.11 1.75 0.03 3.13 24.01 958.42 00:30:16 1.83 0.00 1.81 0.01 0.00 19.85 0.26 00:40:16 22.35 3.01 17.14 2.21 225.50 3154.73 1296.21 00:50:01 1.74 0.00 1.72 0.02 0.00 63.36 0.15 01:00:16 1.84 0.00 1.81 0.03 0.34 93.07 0.35 Average: 5.26 0.52 4.35 0.39 38.28 563.02 408.19 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:16 6126584 7530176 278620 3.43 56260 1543204 550124 5.99 472952 1314672 368 00:20:01 6149472 7515300 293484 3.61 56416 1505212 548008 5.97 471592 1276620 240 00:30:16 6155080 7521472 287276 3.53 56520 1505668 548008 5.97 471740 1277052 120 00:40:16 5207008 7403264 357892 4.40 105448 2246008 645992 7.04 604740 2021304 1208 00:50:01 5186496 7394344 366844 4.51 105568 2257500 669116 7.29 611880 2032948 328 01:00:16 5161968 7392828 368400 4.53 105708 2280356 664436 7.24 615408 2055844 1000 Average: 5664435 7459564 325419 4.00 80987 1889658 604281 6.58 541385 1663073 544 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:16 ens3 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.35 0.10 0.10 0.05 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.59 0.11 0.17 0.09 0.00 0.00 0.00 0.00 00:40:16 lo 1.29 1.29 0.09 0.09 0.00 0.00 0.00 0.00 00:40:16 ens3 62.81 43.45 300.10 11.89 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 35.68 30.31 7.62 4.02 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 41.04 39.90 9.63 5.82 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 23.47 19.03 52.96 3.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7318) 04/25/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:16 all 0.28 0.00 0.11 0.01 0.02 99.58 00:10:16 0 0.35 0.00 0.10 0.01 0.02 99.52 00:10:16 1 0.21 0.00 0.11 0.01 0.02 99.64 00:20:01 all 0.62 0.00 0.22 0.01 0.02 99.12 00:20:01 0 0.73 0.00 0.22 0.01 0.02 99.01 00:20:01 1 0.51 0.00 0.21 0.02 0.02 99.24 00:30:16 all 0.26 0.00 0.15 0.01 0.02 99.55 00:30:16 0 0.40 0.00 0.14 0.00 0.02 99.44 00:30:16 1 0.11 0.00 0.17 0.01 0.03 99.67 00:40:16 all 11.02 0.00 1.62 0.42 0.05 86.89 00:40:16 0 11.80 0.00 1.79 0.41 0.05 85.96 00:40:16 1 10.23 0.00 1.46 0.44 0.06 87.82 00:50:01 all 5.87 0.00 0.54 0.05 0.07 93.47 00:50:01 0 6.31 0.00 0.58 0.02 0.07 93.02 00:50:01 1 5.43 0.00 0.49 0.08 0.07 93.92 01:00:16 all 9.06 0.00 0.83 0.09 0.09 89.94 01:00:16 0 9.94 0.00 0.93 0.06 0.09 88.98 01:00:16 1 8.17 0.00 0.73 0.12 0.09 90.89 Average: all 4.52 0.00 0.58 0.10 0.05 94.76 Average: 0 4.92 0.00 0.63 0.08 0.04 94.32 Average: 1 4.12 0.00 0.53 0.11 0.05 95.19