---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27977 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 22% / 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 806 4987 4 2449 7135 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:3c:ca:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7337sec preferred_lft 7337sec inet6 fe80::f816:3eff:fe3c:ca05/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27977) 06/18/26 _x86_64_ (2 CPU) 00:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:17 1.82 0.01 1.79 0.02 0.80 21.16 211.86 00:20:14 1.89 0.11 1.75 0.03 3.07 24.18 531.58 00:30:15 1.91 0.00 1.89 0.02 0.00 21.25 0.37 00:40:04 25.69 3.04 20.33 2.32 229.45 3449.27 925.82 00:50:16 1.87 0.00 1.82 0.05 0.47 106.21 3.62 01:00:16 1.77 0.00 1.74 0.03 0.00 86.52 1.59 Average: 5.74 0.52 4.82 0.40 38.10 605.43 275.60 00:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:17 6120416 7520524 288252 3.54 57244 1538776 551312 6.00 470388 1312144 332 00:20:14 6149824 7511876 296832 3.65 57404 1500512 549224 5.98 468908 1273824 216 00:30:15 6161512 7524016 284512 3.50 57524 1500840 604308 6.58 474208 1274268 220 00:40:04 5166088 7442384 314124 3.86 107752 2319908 574840 6.26 560740 2098448 9416 00:50:16 5098784 7387328 369308 4.54 107904 2332072 669748 7.29 613100 2110764 280 01:00:16 5067412 7378432 378192 4.65 108008 2354432 665104 7.24 616544 2133100 2852 Average: 5627339 7460760 321870 3.96 82639 1924423 602423 6.56 533981 1700425 2219 00:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:17 ens3 0.33 0.10 0.10 0.04 0.00 0.00 0.00 0.00 00:20:14 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:14 ens3 0.17 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:15 ens3 0.55 0.16 0.18 0.10 0.00 0.00 0.00 0.00 00:40:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 66.15 45.89 320.60 12.19 0.00 0.00 0.00 0.00 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 38.33 31.53 8.11 4.07 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 44.73 44.00 9.76 6.11 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 24.88 20.18 55.28 3.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27977) 06/18/26 _x86_64_ (2 CPU) 00:00:04 CPU %user %nice %system %iowait %steal %idle 00:10:17 all 0.22 0.00 0.10 0.02 0.04 99.62 00:10:17 0 0.39 0.00 0.07 0.02 0.02 99.50 00:10:17 1 0.06 0.00 0.13 0.02 0.05 99.74 00:20:14 all 0.65 0.00 0.21 0.01 0.04 99.10 00:20:14 0 0.71 0.00 0.16 0.01 0.02 99.10 00:20:14 1 0.59 0.00 0.26 0.02 0.05 99.09 00:30:15 all 0.27 0.00 0.16 0.01 0.04 99.52 00:30:15 0 0.36 0.00 0.15 0.01 0.02 99.46 00:30:15 1 0.17 0.00 0.18 0.01 0.05 99.59 00:40:04 all 11.73 0.00 1.68 0.50 0.06 86.04 00:40:04 0 13.54 0.00 1.80 0.51 0.05 84.10 00:40:04 1 9.91 0.00 1.55 0.49 0.07 87.97 00:50:16 all 5.81 0.00 0.46 0.02 0.08 93.63 00:50:16 0 4.17 0.00 0.40 0.02 0.07 95.35 00:50:16 1 7.44 0.00 0.53 0.03 0.09 91.92 01:00:16 all 8.15 0.00 0.62 0.03 0.08 91.13 01:00:16 0 10.05 0.00 0.65 0.04 0.09 89.17 01:00:16 1 6.25 0.00 0.58 0.01 0.07 93.08 Average: all 4.43 0.00 0.53 0.10 0.05 94.88 Average: 0 4.82 0.00 0.53 0.10 0.05 94.51 Average: 1 4.05 0.00 0.53 0.09 0.06 95.26