---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26966 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 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 787 5093 4 2353 7154 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:4c:ca:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79311sec preferred_lft 79311sec inet6 fe80::f816:3eff:fe4c:ca98/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26966) 06/13/26 _x86_64_ (2 CPU) 00:40:44 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.58 0.01 1.55 0.02 0.05 18.93 872.10 01:10:01 1.35 0.00 1.34 0.02 0.00 15.79 1.20 01:20:01 1.95 0.26 1.68 0.02 32.04 75.61 0.47 01:30:01 1.53 0.00 1.51 0.02 0.00 18.96 878.84 01:40:01 1.33 0.00 1.33 0.00 0.00 15.71 0.00 01:50:01 25.15 3.00 19.86 2.28 227.80 3467.44 739.29 02:00:01 1.49 0.00 1.47 0.02 0.00 24.69 0.49 02:10:01 1.43 0.00 1.42 0.01 0.00 21.21 0.05 02:20:01 1.43 0.00 1.40 0.03 0.00 140.13 396.39 02:30:01 1.52 0.00 1.48 0.05 0.00 31.24 0.69 Average: 3.88 0.33 3.30 0.25 25.99 382.98 288.96 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6289952 7536944 283592 3.49 30708 1421964 529688 5.77 452664 1183584 164 01:10:01 6289028 7536568 284000 3.49 30924 1422292 529896 5.77 452824 1184128 164 01:20:01 6254212 7528860 291236 3.58 31272 1448708 529896 5.77 462516 1201808 180 01:30:01 6250012 7525204 294904 3.63 31460 1449036 557180 6.07 466180 1202320 208 01:40:01 6248024 7523840 296280 3.64 31612 1449488 557212 6.07 469480 1202808 188 01:50:01 5146588 7352836 414252 5.09 86728 2279640 662508 7.22 609644 2042516 380 02:00:01 5101124 7309504 457576 5.63 86880 2281624 671068 7.31 610372 2044652 460 02:10:01 5144016 7353616 413320 5.08 87076 2282648 744828 8.11 634492 2045868 252 02:20:01 5102076 7348872 418140 5.14 87248 2319556 679848 7.40 617216 2082952 160 02:30:01 5102960 7353860 413052 5.08 87468 2323388 685616 7.47 622892 2086868 68 Average: 5692799 7437010 356635 4.39 59138 1867834 614774 6.70 539828 1627750 222 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 0.94 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.68 0.06 5.40 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.24 0.56 3.31 0.13 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 0.52 0.29 0.09 0.67 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.55 0.14 0.18 0.10 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 76.04 54.39 431.80 12.35 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 16.98 14.96 168.14 1.29 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 3.25 2.82 5.07 0.48 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 17.53 16.40 185.49 1.70 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 8.41 6.95 2.04 1.27 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.61 9.66 80.16 1.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26966) 06/13/26 _x86_64_ (2 CPU) 00:40:44 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.31 0.00 0.17 0.01 0.02 99.49 01:00:01 0 0.47 0.00 0.17 0.01 0.02 99.34 01:00:01 1 0.15 0.00 0.17 0.02 0.02 99.64 01:10:01 all 0.26 0.00 0.07 0.02 0.02 99.63 01:10:01 0 0.05 0.00 0.09 0.04 0.02 99.80 01:10:01 1 0.46 0.00 0.06 0.00 0.02 99.46 01:20:01 all 0.38 0.00 0.11 0.06 0.02 99.44 01:20:01 0 0.50 0.00 0.13 0.08 0.01 99.27 01:20:01 1 0.25 0.00 0.10 0.03 0.02 99.60 01:30:01 all 0.29 0.00 0.17 0.02 0.01 99.51 01:30:01 0 0.33 0.00 0.16 0.04 0.01 99.46 01:30:01 1 0.24 0.00 0.18 0.01 0.01 99.56 01:40:01 all 0.24 0.00 0.07 0.01 0.01 99.66 01:40:01 0 0.43 0.00 0.05 0.03 0.01 99.49 01:40:01 1 0.06 0.00 0.10 0.00 0.02 99.83 01:50:01 all 12.84 0.00 1.89 1.00 0.05 84.22 01:50:01 0 13.99 0.00 2.09 1.15 0.06 82.71 01:50:01 1 11.70 0.00 1.68 0.84 0.05 85.73 02:00:01 all 0.98 0.00 0.33 0.01 0.03 98.65 02:00:01 0 0.60 0.00 0.22 0.01 0.02 99.15 02:00:01 1 1.35 0.00 0.44 0.01 0.05 98.15 02:10:01 all 7.08 0.00 0.85 0.09 0.07 91.92 02:10:01 0 6.32 0.00 0.79 0.10 0.06 92.73 02:10:01 1 7.84 0.00 0.91 0.07 0.07 91.10 02:20:01 all 2.39 0.00 0.38 0.01 0.04 97.18 02:20:01 0 3.12 0.00 0.42 0.02 0.04 96.40 02:20:01 1 1.66 0.00 0.34 0.00 0.04 97.96 02:30:01 all 3.45 0.00 0.50 0.01 0.05 95.99 02:30:01 0 3.32 0.00 0.46 0.01 0.05 96.17 02:30:01 1 3.59 0.00 0.54 0.01 0.05 95.82 Average: all 2.81 0.00 0.45 0.12 0.03 96.58 Average: 0 2.90 0.00 0.46 0.15 0.03 96.46 Average: 1 2.71 0.00 0.45 0.10 0.03 96.70