---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19692 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 5157 4 2322 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:0f:94:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80371sec preferred_lft 80371sec inet6 fe80::f816:3eff:fe0f:9448/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19692) 05/25/26 _x86_64_ (2 CPU) 01:47:27 LINUX RESTART (2 CPU) 01:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 1.73 0.03 1.69 0.01 1.24 20.25 436.21 02:10:09 2.01 0.27 1.72 0.03 32.37 76.56 1.20 02:20:14 15.55 13.43 2.05 0.07 149.85 44.27 7.30 02:30:14 1.60 0.00 1.57 0.03 0.00 19.01 21.91 02:40:09 1.40 0.00 1.38 0.02 0.00 16.41 1.21 02:50:14 1.69 0.28 1.39 0.02 10.07 35.90 1.20 03:00:14 23.10 2.74 18.05 2.31 217.39 3445.20 1234.10 03:10:15 14.75 0.00 1.24 13.51 0.15 15.42 106489.00 03:20:09 1.25 0.00 1.25 0.00 0.00 15.55 0.00 Average: 7.03 1.87 3.38 1.78 45.85 410.35 12036.99 01:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6289016 7540132 280336 3.45 30640 1426084 529188 5.76 446280 1187336 124 02:10:09 6248860 7527136 292904 3.60 31028 1452504 529276 5.76 455480 1205060 156 02:20:14 6191576 7527040 283920 3.49 35236 1497136 529432 5.77 456172 1253300 124 02:30:14 6186308 7522372 288472 3.55 35468 1497460 529480 5.77 456344 1253856 124 02:40:09 6193868 7530584 280276 3.45 35668 1497904 529488 5.77 456528 1254384 124 02:50:14 6188124 7534240 276520 3.40 35944 1506944 537796 5.86 469436 1262748 20 03:00:14 5158284 7411412 347272 4.27 90404 2315020 625468 6.81 587112 2080668 124 03:10:15 5159080 7412728 345896 4.25 90548 2315412 625468 6.81 587232 2081176 236 03:20:09 5158324 7412456 346200 4.26 90680 2315764 625468 6.81 587324 2081660 124 Average: 5863716 7490900 304644 3.75 52846 1758248 562340 6.12 500212 1517799 128 01:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 1.02 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:10:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.67 0.22 3.20 0.03 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.28 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:14 ens3 0.26 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.33 0.07 0.08 0.03 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 8.49 3.51 11.97 1.72 0.00 0.00 0.00 0.00 03:00:14 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:14 ens3 64.10 45.21 304.14 10.19 0.00 0.00 0.00 0.00 03:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:15 ens3 1.69 0.18 0.19 0.03 0.00 0.00 0.00 0.00 03:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:09 ens3 0.67 0.15 0.10 0.03 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 8.63 5.51 35.60 1.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19692) 05/25/26 _x86_64_ (2 CPU) 01:47:27 LINUX RESTART (2 CPU) 01:50:15 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.30 0.00 0.18 0.01 0.03 99.48 02:00:15 0 0.42 0.00 0.18 0.02 0.03 99.36 02:00:15 1 0.19 0.00 0.18 0.01 0.03 99.60 02:10:09 all 0.38 0.00 0.11 0.02 0.03 99.46 02:10:09 0 0.37 0.00 0.07 0.01 0.03 99.52 02:10:09 1 0.38 0.00 0.14 0.03 0.03 99.41 02:20:14 all 0.25 0.17 0.13 0.13 0.03 99.28 02:20:14 0 0.30 0.00 0.08 0.04 0.03 99.55 02:20:14 1 0.20 0.33 0.19 0.22 0.03 99.02 02:30:14 all 0.26 0.00 0.15 0.01 0.03 99.54 02:30:14 0 0.25 0.00 0.14 0.01 0.03 99.56 02:30:14 1 0.27 0.00 0.17 0.01 0.04 99.52 02:40:09 all 0.27 0.00 0.08 0.01 0.03 99.61 02:40:09 0 0.06 0.00 0.09 0.01 0.03 99.80 02:40:09 1 0.49 0.00 0.07 0.00 0.03 99.42 02:50:14 all 0.40 0.00 0.09 0.01 0.03 99.46 02:50:14 0 0.30 0.00 0.11 0.02 0.03 99.53 02:50:14 1 0.50 0.00 0.07 0.00 0.03 99.40 03:00:14 all 11.51 0.00 1.79 0.48 0.06 86.16 03:00:14 0 11.52 0.00 1.86 0.51 0.07 86.05 03:00:14 1 11.50 0.00 1.72 0.45 0.05 86.28 03:10:15 all 0.39 0.00 0.15 0.03 0.05 99.39 03:10:15 0 0.39 0.00 0.11 0.00 0.05 99.45 03:10:15 1 0.38 0.00 0.18 0.05 0.06 99.33 03:20:09 all 0.38 0.00 0.12 0.01 0.05 99.44 03:20:09 0 0.42 0.00 0.13 0.01 0.05 99.39 03:20:09 1 0.34 0.00 0.11 0.00 0.05 99.50 Average: all 1.57 0.02 0.31 0.08 0.04 97.98 Average: 0 1.56 0.00 0.31 0.07 0.04 98.02 Average: 1 1.58 0.04 0.31 0.09 0.04 97.94