---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25271 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 8.1G 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 799 4983 4 2460 7142 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:78:6a:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82088sec preferred_lft 82088sec inet6 fe80::f816:3eff:fe78:6ae5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25271) 06/06/26 _x86_64_ (2 CPU) 01:58:18 LINUX RESTART (2 CPU) 02:00:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:04 1.29 0.03 1.26 0.00 1.28 15.04 0.12 02:20:04 1.23 0.01 1.21 0.01 0.07 14.76 0.84 02:30:04 1.87 0.25 1.58 0.04 30.97 75.34 872.44 02:40:04 13.75 0.00 1.19 12.56 0.15 14.46 109275.39 02:50:03 1.17 0.00 1.17 0.00 0.00 14.48 0.00 03:00:03 1.42 0.00 1.41 0.02 0.00 17.67 872.53 03:10:03 30.48 3.06 23.81 3.61 232.26 3796.63 1921.12 Average: 7.34 0.48 4.54 2.33 38.02 567.14 16186.07 02:00:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:04 6276112 7527100 293200 3.61 30576 1426260 529868 5.77 445808 1187184 184 02:20:04 6277216 7528752 291572 3.59 30792 1426588 529868 5.77 445864 1187728 212 02:30:04 6234284 7512632 307060 3.78 31184 1452620 733468 7.99 458792 1205388 220 02:40:04 6234580 7513468 306188 3.76 31344 1452988 733560 7.99 459004 1205888 196 02:50:03 6234076 7513444 306208 3.77 31488 1453320 733636 7.99 459412 1206364 240 03:00:03 6230448 7510500 309144 3.80 31684 1453780 733944 7.99 459988 1206888 240 03:10:03 5127260 7338504 428340 5.27 89868 2281716 873596 9.52 660360 2045936 29148 Average: 6087711 7492057 320245 3.94 39562 1563896 695420 7.57 484175 1320768 4349 02:00:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 1.44 0.05 0.12 0.02 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.42 0.05 0.06 0.02 0.00 0.00 0.00 0.00 02:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.98 0.24 7.47 0.05 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.41 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.40 0.10 0.13 0.06 0.00 0.00 0.00 0.00 03:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:03 ens3 0.47 0.21 0.14 0.60 0.00 0.00 0.00 0.00 03:10:03 lo 1.39 1.39 0.09 0.09 0.00 0.00 0.00 0.00 03:10:03 ens3 107.30 74.21 328.20 19.54 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 16.00 10.77 48.30 2.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25271) 06/06/26 _x86_64_ (2 CPU) 01:58:18 LINUX RESTART (2 CPU) 02:00:22 CPU %user %nice %system %iowait %steal %idle 02:10:04 all 0.27 0.00 0.08 0.01 0.04 99.60 02:10:04 0 0.30 0.00 0.07 0.02 0.04 99.57 02:10:04 1 0.24 0.00 0.08 0.01 0.04 99.63 02:20:04 all 0.25 0.00 0.08 0.01 0.04 99.61 02:20:04 0 0.10 0.00 0.10 0.02 0.05 99.74 02:20:04 1 0.41 0.00 0.06 0.01 0.03 99.49 02:30:04 all 0.44 0.00 0.20 0.04 0.04 99.28 02:30:04 0 0.42 0.00 0.18 0.01 0.03 99.36 02:30:04 1 0.47 0.00 0.22 0.07 0.04 99.20 02:40:04 all 0.26 0.00 0.08 0.40 0.03 99.22 02:40:04 0 0.08 0.00 0.10 0.55 0.04 99.24 02:40:04 1 0.45 0.00 0.07 0.24 0.03 99.21 02:50:03 all 0.27 0.00 0.08 0.06 0.03 99.57 02:50:03 0 0.17 0.00 0.09 0.00 0.03 99.71 02:50:03 1 0.36 0.00 0.08 0.12 0.03 99.42 03:00:03 all 0.31 0.00 0.17 0.02 0.03 99.48 03:00:03 0 0.23 0.00 0.18 0.01 0.03 99.56 03:00:03 1 0.39 0.00 0.15 0.03 0.03 99.40 03:10:03 all 16.48 0.00 2.29 1.54 0.06 79.64 03:10:03 0 13.25 0.00 2.17 1.99 0.05 82.53 03:10:03 1 19.71 0.00 2.40 1.08 0.06 76.74 Average: all 2.62 0.00 0.43 0.30 0.04 96.62 Average: 0 2.08 0.00 0.41 0.37 0.04 97.09 Average: 1 3.16 0.00 0.44 0.22 0.04 96.14