---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25755 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 8.1G 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 754 5030 4 2450 7187 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:41:f9:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81657sec preferred_lft 81657sec inet6 fe80::f816:3eff:fe41:f954/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25755) 06/08/26 _x86_64_ (2 CPU) 01:56:59 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:02 1.47 0.02 1.44 0.00 1.24 16.43 0.12 02:20:42 1.98 0.25 1.71 0.03 30.09 71.54 1.23 02:30:01 1.53 0.00 1.50 0.03 0.00 17.47 469.12 02:40:22 1.37 0.00 1.35 0.02 0.00 15.99 1.27 02:50:42 1.34 0.00 1.32 0.02 0.00 15.43 1.16 03:00:01 1.61 0.00 1.58 0.03 0.00 18.76 468.83 03:10:42 21.96 2.81 17.00 2.15 213.04 3472.81 1644.96 Average: 4.63 0.47 3.83 0.34 36.91 547.34 372.72 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:02 6284888 7532080 288584 3.55 30592 1422284 531968 5.79 441556 1183360 204 02:20:42 6245616 7519904 300320 3.69 30984 1448628 531968 5.79 450808 1201020 124 02:30:01 6246384 7521228 298916 3.68 31192 1448952 532112 5.80 450840 1201552 184 02:40:22 6246384 7521784 298352 3.67 31420 1449280 532176 5.80 451192 1202104 172 02:50:42 6246144 7522096 298036 3.66 31628 1449612 532176 5.80 451192 1202648 180 03:00:01 6253740 7530356 289664 3.56 31832 1450068 532368 5.80 452400 1203152 164 03:10:42 5100828 7372876 393988 4.84 86988 2344800 678388 7.39 631588 2107500 6600 Average: 6089141 7502903 309694 3.81 39234 1573375 553022 6.02 475654 1328762 1090 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 1.13 0.05 0.10 0.02 0.00 0.00 0.00 0.00 02:20:42 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:42 ens3 0.62 0.20 2.95 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.30 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:22 ens3 0.47 0.08 0.13 0.06 0.00 0.00 0.00 0.00 02:50:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:42 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.48 0.16 0.14 0.55 0.00 0.00 0.00 0.00 03:10:42 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:10:42 ens3 82.69 58.22 368.38 14.33 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 12.97 8.88 56.19 2.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25755) 06/08/26 _x86_64_ (2 CPU) 01:56:59 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:02 all 0.26 0.00 0.08 0.01 0.04 99.62 02:10:02 0 0.38 0.00 0.07 0.00 0.03 99.51 02:10:02 1 0.13 0.00 0.09 0.01 0.04 99.72 02:20:42 all 0.35 0.00 0.10 0.84 0.04 98.67 02:20:42 0 0.23 0.00 0.11 0.47 0.03 99.15 02:20:42 1 0.47 0.00 0.08 1.21 0.04 98.19 02:30:01 all 0.28 0.00 0.16 0.01 0.04 99.51 02:30:01 0 0.29 0.00 0.15 0.01 0.04 99.52 02:30:01 1 0.27 0.00 0.16 0.01 0.04 99.50 02:40:22 all 0.22 0.00 0.07 0.01 0.04 99.67 02:40:22 0 0.40 0.00 0.05 0.01 0.03 99.51 02:40:22 1 0.04 0.00 0.09 0.01 0.05 99.82 02:50:42 all 0.27 0.00 0.07 0.01 0.03 99.62 02:50:42 0 0.49 0.00 0.05 0.01 0.03 99.43 02:50:42 1 0.05 0.00 0.09 0.02 0.04 99.81 03:00:01 all 0.29 0.00 0.16 0.01 0.04 99.51 03:00:01 0 0.44 0.00 0.15 0.02 0.03 99.37 03:00:01 1 0.13 0.00 0.17 0.01 0.05 99.65 03:10:42 all 15.73 0.00 1.68 0.46 0.07 82.07 03:10:42 0 10.86 0.00 1.66 0.42 0.07 86.99 03:10:42 1 20.59 0.00 1.69 0.49 0.08 77.15 Average: all 2.61 0.00 0.34 0.20 0.04 96.80 Average: 0 1.95 0.00 0.33 0.14 0.04 97.54 Average: 1 3.26 0.00 0.35 0.27 0.05 96.07