---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26049 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 8.0G 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 770 5116 4 2355 7170 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:bb:3c:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7226sec preferred_lft 7226sec inet6 fe80::f816:3eff:febb:3c2b/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-26049) 06/10/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.81 0.02 1.78 0.02 0.81 21.01 0.20 00:20:00 1.85 0.11 1.71 0.03 3.05 24.17 522.16 00:30:00 1.82 0.00 1.80 0.02 0.00 20.16 0.41 00:40:00 24.34 2.99 19.07 2.28 225.61 3465.09 732.56 00:50:00 1.60 0.00 1.59 0.00 0.00 23.73 0.05 Average: 6.28 0.62 5.19 0.47 45.90 710.85 251.08 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6107576 7506196 302472 3.72 56596 1538132 536744 5.85 472952 1311668 160 00:20:00 6134740 7494984 313592 3.86 56744 1499540 533908 5.82 471608 1273008 124 00:30:00 6125124 7485852 322560 3.97 56876 1499876 588984 6.42 476784 1273472 124 00:40:00 5108680 7389988 366484 4.51 106756 2326108 629800 6.86 603268 2104468 660 00:50:00 5027100 7310272 446272 5.49 106832 2327968 667844 7.27 633636 2106404 124 Average: 5700644 7437458 350276 4.31 76761 1838325 591456 6.44 531650 1613804 238 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.39 0.06 0.09 0.03 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.69 0.05 0.10 0.02 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.71 0.13 0.19 0.09 0.00 0.00 0.00 0.00 00:40:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 66.14 46.44 317.55 11.77 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 13.08 10.10 72.28 1.05 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.20 11.36 78.04 2.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26049) 06/10/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.24 0.00 0.10 0.01 0.03 99.62 00:10:00 0 0.17 0.00 0.11 0.01 0.03 99.68 00:10:00 1 0.32 0.00 0.09 0.01 0.03 99.55 00:20:00 all 0.64 0.00 0.21 0.02 0.04 99.10 00:20:00 0 0.54 0.00 0.22 0.02 0.05 99.18 00:20:00 1 0.74 0.00 0.21 0.01 0.03 99.02 00:30:00 all 0.24 0.00 0.16 0.01 0.04 99.55 00:30:00 0 0.21 0.00 0.18 0.01 0.04 99.57 00:30:00 1 0.28 0.00 0.14 0.01 0.04 99.53 00:40:00 all 11.49 0.00 1.65 0.59 0.06 86.21 00:40:00 0 12.37 0.00 1.60 0.57 0.06 85.41 00:40:00 1 10.61 0.00 1.71 0.62 0.07 87.00 00:50:00 all 0.85 0.00 0.19 0.03 0.06 98.87 00:50:00 0 0.62 0.00 0.11 0.02 0.04 99.21 00:50:00 1 1.09 0.00 0.27 0.03 0.09 98.52 Average: all 2.69 0.00 0.46 0.13 0.05 96.67 Average: 0 2.78 0.00 0.44 0.13 0.04 96.61 Average: 1 2.60 0.00 0.48 0.14 0.05 96.73