---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64988 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: 5599.94 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 796 5190 4 2252 7145 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:1d:f0:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81706sec preferred_lft 81706sec inet6 fe80::f816:3eff:fe1d:f0f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64988) 04/01/26 _x86_64_ (2 CPU) 01:53:17 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.40 0.01 1.38 0.01 0.05 16.17 1.08 02:20:01 1.48 0.00 1.46 0.02 0.01 17.57 1.34 02:30:01 14.25 0.00 1.67 12.58 0.15 20.15 109151.99 02:40:00 1.16 0.00 1.14 0.02 0.00 14.27 1.08 02:50:01 1.38 0.00 1.36 0.02 0.00 16.25 1.20 03:00:01 22.64 3.03 17.38 2.23 227.59 3029.44 863.21 03:10:01 15.89 13.55 2.25 0.08 151.77 178.43 9.75 Average: 8.31 2.37 3.81 2.14 54.23 470.61 15712.00 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6255736 7530904 288776 3.55 30900 1449776 520168 5.67 456252 1200064 8 02:20:01 6262888 7538648 280936 3.45 31136 1450128 575276 6.27 461592 1200644 244 02:30:01 6256212 7532572 287040 3.53 31340 1450500 520360 5.67 456608 1201192 272 02:40:00 6256212 7533064 286564 3.52 31520 1450812 520404 5.67 456760 1201692 124 02:50:01 6255964 7533496 286124 3.52 31732 1451272 520484 5.67 456944 1202236 124 03:00:01 5346492 7454376 317056 3.90 85204 2186972 549064 5.98 552452 1945848 25720 03:10:01 5272208 7445332 317436 3.90 88572 2240812 549388 5.98 553568 2002348 220 Average: 5986530 7509770 294847 3.63 47201 1668610 536449 5.84 484882 1422003 3816 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.44 0.04 0.05 0.01 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 0.81 0.04 7.78 0.01 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 0.27 0.04 0.24 0.02 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.31 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.15 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 85.57 55.86 303.48 15.91 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 20.21 13.17 5.39 2.53 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 15.40 9.90 45.33 2.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64988) 04/01/26 _x86_64_ (2 CPU) 01:53:17 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.24 0.00 0.08 0.03 0.03 99.63 02:10:00 0 0.42 0.00 0.06 0.03 0.02 99.48 02:10:00 1 0.06 0.00 0.10 0.03 0.04 99.77 02:20:01 all 0.26 0.00 0.08 0.03 0.03 99.60 02:20:01 0 0.16 0.00 0.08 0.04 0.02 99.70 02:20:01 1 0.36 0.00 0.09 0.02 0.03 99.51 02:30:01 all 0.27 0.00 0.19 0.23 0.02 99.28 02:30:01 0 0.22 0.00 0.19 0.31 0.03 99.25 02:30:01 1 0.33 0.00 0.18 0.15 0.02 99.31 02:40:00 all 0.28 0.00 0.06 0.44 0.03 99.20 02:40:00 0 0.05 0.00 0.09 0.80 0.04 99.03 02:40:00 1 0.50 0.00 0.04 0.07 0.02 99.37 02:50:01 all 0.23 0.00 0.07 0.08 0.02 99.60 02:50:01 0 0.15 0.00 0.09 0.12 0.03 99.61 02:50:01 1 0.30 0.00 0.06 0.04 0.02 99.58 03:00:01 all 11.13 0.00 1.84 1.19 0.05 85.80 03:00:01 0 14.88 0.00 2.13 1.72 0.05 81.23 03:00:01 1 7.37 0.00 1.55 0.66 0.05 90.37 03:10:01 all 5.28 0.22 0.57 0.26 0.05 93.62 03:10:01 0 8.54 0.15 0.70 0.14 0.05 90.42 03:10:01 1 2.03 0.29 0.45 0.37 0.05 96.82 Average: all 2.52 0.03 0.41 0.32 0.03 96.68 Average: 0 3.49 0.02 0.48 0.45 0.03 95.53 Average: 1 1.56 0.04 0.35 0.19 0.03 97.82