---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6410 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 742 5232 4 2256 7199 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:da:1f:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82562sec preferred_lft 82562sec inet6 fe80::f816:3eff:feda:1fd2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6410) 04/22/26 _x86_64_ (2 CPU) 02:00:36 LINUX RESTART (2 CPU) 02:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:01 14.93 0.01 1.43 13.48 0.21 23.13 106823.90 02:30:08 2.34 0.32 1.99 0.03 39.63 81.92 1.00 02:40:01 1.32 0.00 1.32 0.01 0.00 135.51 393.89 02:50:01 1.24 0.00 1.23 0.01 0.00 31.38 0.05 03:00:18 1.59 0.00 1.57 0.02 0.00 25.84 0.62 Average: 4.27 0.07 1.51 2.70 8.01 59.26 21328.39 02:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 5284436 7366876 404936 4.98 84132 2163072 648976 7.07 584876 1932260 268 02:30:08 5264816 7377208 394392 4.85 84436 2192612 667704 7.27 615580 1950732 164 02:40:01 5231120 7380152 391124 4.81 84592 2228776 656960 7.16 603212 1987052 1056 02:50:01 5204368 7357752 413448 5.08 84760 2232900 660044 7.19 606560 1991344 200 03:00:18 5172812 7328484 442684 5.44 84936 2234976 692412 7.54 639144 1993468 120 Average: 5231510 7362094 409317 5.03 84571 2210467 665219 7.25 609874 1970971 362 02:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 14.16 13.08 140.08 1.25 0.00 0.00 0.00 0.00 02:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 5.78 5.40 35.79 0.66 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 15.27 14.24 158.81 1.59 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 15.33 14.33 141.75 1.54 0.00 0.00 0.00 0.00 03:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:18 ens3 14.02 13.24 136.26 1.17 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.90 12.04 122.34 1.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6410) 04/22/26 _x86_64_ (2 CPU) 02:00:36 LINUX RESTART (2 CPU) 02:10:01 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 0.88 0.00 0.23 0.05 0.07 98.77 02:20:01 0 1.07 0.00 0.25 0.05 0.07 98.56 02:20:01 1 0.70 0.00 0.21 0.04 0.07 98.98 02:30:08 all 5.48 0.00 0.62 0.03 0.07 93.80 02:30:08 0 6.24 0.00 0.69 0.04 0.07 92.97 02:30:08 1 4.73 0.00 0.55 0.03 0.07 94.63 02:40:01 all 4.50 0.00 0.44 0.02 0.07 94.97 02:40:01 0 3.61 0.00 0.37 0.02 0.06 95.93 02:40:01 1 5.40 0.00 0.51 0.01 0.08 94.00 02:50:01 all 1.49 0.00 0.30 0.03 0.07 98.11 02:50:01 0 1.76 0.00 0.38 0.01 0.06 97.80 02:50:01 1 1.22 0.00 0.21 0.06 0.07 98.43 03:00:18 all 0.91 0.00 0.30 0.01 0.06 98.72 03:00:18 0 0.96 0.00 0.33 0.01 0.06 98.64 03:00:18 1 0.86 0.00 0.27 0.01 0.06 98.80 Average: all 2.63 0.00 0.38 0.03 0.07 96.90 Average: 0 2.70 0.00 0.40 0.03 0.06 96.81 Average: 1 2.55 0.00 0.35 0.03 0.07 97.00