---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16124 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 7.9G 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 761 5272 4 2196 7180 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:79:c1:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81418sec preferred_lft 81418sec inet6 fe80::f816:3eff:fe79:c130/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16124) 05/18/26 _x86_64_ (2 CPU) 00:42:02 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.41 0.01 1.37 0.03 0.05 17.82 872.69 01:10:03 1.13 0.00 1.11 0.02 0.00 13.93 1.20 01:20:01 1.17 0.00 1.15 0.02 0.01 14.32 1.20 01:30:01 1.44 0.00 1.41 0.03 0.00 17.69 654.86 01:40:03 14.33 0.26 1.55 12.52 32.06 74.26 108796.67 01:50:02 1.82 0.40 1.40 0.01 15.88 48.99 0.67 02:00:01 22.18 2.62 17.31 2.24 212.54 3150.94 547.13 Average: 6.21 0.47 3.61 2.13 37.19 476.22 15894.17 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6291580 7538788 281632 3.46 30700 1422208 531136 5.79 446488 1183456 128 01:10:03 6290908 7538648 281756 3.46 30900 1422536 531216 5.79 446408 1183984 192 01:20:01 6298232 7546524 273876 3.37 31112 1422868 531356 5.79 446988 1184528 268 01:30:01 6293956 7542796 277552 3.41 31316 1423196 531428 5.79 446844 1185060 240 01:40:03 6258800 7534828 285104 3.51 31688 1449664 531492 5.79 456520 1202668 212 01:50:02 6212932 7504228 315428 3.88 32020 1464360 569152 6.20 494020 1216180 584 02:00:01 5265460 7389460 381920 4.70 85272 2202632 666052 7.25 618044 1963656 476 Average: 6130267 7513610 299610 3.68 39001 1543923 555976 6.06 479330 1302790 300 00:50:01 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 0.88 0.07 0.11 0.04 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 1.00 0.05 10.70 0.03 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 0.48 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.71 0.39 3.18 0.59 0.00 0.00 0.00 0.00 01:50:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 12.60 6.09 24.11 2.68 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 98.74 67.32 289.17 15.19 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 16.36 10.56 46.72 2.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16124) 05/18/26 _x86_64_ (2 CPU) 00:42:02 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.33 0.00 0.18 0.01 0.03 99.46 01:00:01 0 0.28 0.00 0.16 0.01 0.02 99.52 01:00:01 1 0.37 0.00 0.20 0.01 0.03 99.40 01:10:03 all 0.25 0.00 0.07 0.01 0.03 99.63 01:10:03 0 0.30 0.00 0.07 0.00 0.02 99.60 01:10:03 1 0.20 0.00 0.08 0.02 0.04 99.66 01:20:01 all 0.27 0.00 0.07 0.01 0.03 99.62 01:20:01 0 0.27 0.00 0.07 0.01 0.03 99.63 01:20:01 1 0.27 0.00 0.07 0.02 0.04 99.60 01:30:01 all 0.28 0.00 0.15 0.01 0.03 99.53 01:30:01 0 0.39 0.00 0.14 0.01 0.03 99.44 01:30:01 1 0.17 0.00 0.16 0.01 0.04 99.62 01:40:03 all 0.40 0.00 0.11 0.04 0.03 99.43 01:40:03 0 0.54 0.00 0.11 0.05 0.03 99.26 01:40:03 1 0.25 0.00 0.10 0.03 0.03 99.59 01:50:02 all 0.46 0.00 0.10 0.02 0.03 99.39 01:50:02 0 0.65 0.00 0.07 0.01 0.02 99.25 01:50:02 1 0.28 0.00 0.13 0.02 0.05 99.52 02:00:01 all 13.32 0.00 1.97 0.55 0.06 84.10 02:00:01 0 16.85 0.00 2.21 0.54 0.06 80.33 02:00:01 1 9.78 0.00 1.72 0.55 0.07 87.88 Average: all 2.18 0.00 0.38 0.09 0.04 97.31 Average: 0 2.75 0.00 0.40 0.09 0.03 96.73 Average: 1 1.61 0.00 0.35 0.09 0.04 97.90