---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2201 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: 5599.86 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 752 5288 4 2190 7189 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:98:56:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81039sec preferred_lft 81039sec inet6 fe80::f816:3eff:fe98:56ca/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-2201) 04/12/26 _x86_64_ (2 CPU) 01:45:35 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:13 1.69 0.02 1.64 0.02 1.22 20.12 642.03 02:10:01 2.03 0.33 1.67 0.03 40.91 75.05 1.48 02:20:01 14.00 0.00 1.44 12.55 0.16 16.48 109103.39 02:30:13 1.65 0.00 1.64 0.01 0.00 19.45 427.40 02:40:01 1.30 0.00 1.30 0.00 0.00 15.41 0.00 02:50:01 1.34 0.00 1.34 0.00 0.00 15.54 0.00 03:00:13 1.55 0.00 1.53 0.01 0.00 18.64 640.27 03:10:01 23.29 3.08 17.92 2.29 232.86 3203.94 530.20 Average: 5.80 0.42 3.52 1.86 33.72 415.06 13923.99 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:13 6273876 7520396 300072 3.69 30644 1421752 529144 5.76 452448 1183236 164 02:10:01 6222852 7498552 321348 3.95 31068 1450124 529176 5.76 463980 1200664 160 02:20:01 6244992 7521260 298644 3.67 31248 1450496 529316 5.77 463940 1201188 124 02:30:13 6248600 7525404 294472 3.62 31436 1450820 529308 5.77 464060 1201700 124 02:40:01 6246108 7523536 296336 3.64 31600 1451276 531220 5.79 466380 1202192 148 02:50:01 6247472 7525396 294460 3.62 31768 1451604 531228 5.79 466448 1202680 300 03:00:13 6242268 7520708 299140 3.68 31940 1451924 531980 5.79 467592 1203180 124 03:10:01 5287204 7400452 371316 4.57 85452 2192160 645888 7.03 603676 1951372 1480 Average: 6126672 7504463 309474 3.81 38144 1540020 544658 5.93 481066 1293276 328 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 0.94 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.24 0.21 10.86 0.03 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 0.45 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.34 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.49 0.08 0.12 0.06 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 0.26 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:13 ens3 0.47 0.20 0.13 0.53 0.00 0.00 0.00 0.00 03:10:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 110.73 76.61 314.55 17.91 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 14.09 9.47 39.94 2.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2201) 04/12/26 _x86_64_ (2 CPU) 01:45:35 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:13 all 0.28 0.00 0.17 0.02 0.04 99.50 02:00:13 0 0.47 0.00 0.15 0.02 0.03 99.34 02:00:13 1 0.09 0.00 0.20 0.01 0.04 99.65 02:10:01 all 0.34 0.00 0.11 0.02 0.04 99.49 02:10:01 0 0.45 0.00 0.09 0.02 0.03 99.42 02:10:01 1 0.24 0.00 0.13 0.02 0.05 99.55 02:20:01 all 0.25 0.00 0.08 0.03 0.04 99.60 02:20:01 0 0.45 0.00 0.08 0.05 0.02 99.40 02:20:01 1 0.04 0.00 0.09 0.01 0.05 99.81 02:30:13 all 0.26 0.00 0.16 0.01 0.03 99.54 02:30:13 0 0.35 0.00 0.13 0.01 0.03 99.48 02:30:13 1 0.18 0.00 0.19 0.01 0.04 99.59 02:40:01 all 0.30 0.00 0.07 0.01 0.03 99.59 02:40:01 0 0.21 0.00 0.07 0.01 0.03 99.68 02:40:01 1 0.39 0.00 0.07 0.01 0.03 99.50 02:50:01 all 0.26 0.00 0.07 0.01 0.03 99.63 02:50:01 0 0.06 0.00 0.09 0.01 0.04 99.81 02:50:01 1 0.46 0.00 0.05 0.02 0.03 99.45 03:00:13 all 0.27 0.00 0.17 0.01 0.03 99.51 03:00:13 0 0.19 0.00 0.18 0.00 0.03 99.60 03:00:13 1 0.36 0.00 0.17 0.01 0.03 99.42 03:10:01 all 13.85 0.00 2.00 0.49 0.06 83.60 03:10:01 0 17.33 0.00 2.39 0.49 0.06 79.73 03:10:01 1 10.36 0.00 1.62 0.49 0.06 87.47 Average: all 1.94 0.00 0.35 0.07 0.04 97.60 Average: 0 2.39 0.00 0.39 0.07 0.03 97.11 Average: 1 1.49 0.00 0.31 0.07 0.04 98.09