---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34685 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 22% / 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 749 5135 4 2349 7192 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:04:8a:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82766sec preferred_lft 82766sec inet6 fe80::f816:3eff:fe04:8a68/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34685) 07/11/26 _x86_64_ (2 CPU) 01:40:20 LINUX RESTART (2 CPU) 01:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:13 1.53 0.01 1.48 0.03 1.11 23.60 0.93 02:10:11 1.42 0.00 1.41 0.00 0.00 19.45 0.05 02:20:11 1.49 0.00 1.47 0.02 0.01 139.51 389.44 02:30:16 1.66 0.00 1.61 0.04 0.00 32.14 0.75 02:40:01 3.23 0.04 2.50 0.69 1.11 116.10 1619.02 Average: 1.86 0.01 1.69 0.16 0.44 65.87 395.32 01:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:13 5058108 7263576 503572 6.19 86084 2279876 640488 6.98 583612 2042476 388 02:10:11 5191604 7398228 368964 4.54 86212 2280892 660228 7.19 603516 2043636 124 02:20:11 5127632 7371476 395368 4.86 86420 2317572 650656 7.09 593144 2080508 228 02:30:16 5082888 7331024 435668 5.36 86596 2321608 684440 7.45 626192 2084728 216 02:40:01 5291720 7390268 385440 4.74 87964 2178644 644992 7.03 625524 1942852 60456 Average: 5150390 7350914 417802 5.14 86655 2275718 656161 7.15 606398 2038840 12282 01:50:13 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 15.49 14.49 167.89 1.26 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 3.08 2.73 5.07 0.47 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 17.78 16.62 185.35 1.72 0.00 0.00 0.00 0.00 02:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 21.25 20.81 222.75 1.98 0.00 0.00 0.00 0.00 02:40:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 17.02 14.99 71.89 8.91 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.93 13.94 131.14 2.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34685) 07/11/26 _x86_64_ (2 CPU) 01:40:20 LINUX RESTART (2 CPU) 01:50:13 CPU %user %nice %system %iowait %steal %idle 02:00:13 all 1.00 0.00 0.33 0.01 0.06 98.60 02:00:13 0 1.22 0.00 0.35 0.01 0.06 98.37 02:00:13 1 0.78 0.00 0.31 0.01 0.06 98.84 02:10:11 all 6.35 0.00 0.61 0.01 0.08 92.94 02:10:11 0 5.59 0.00 0.57 0.00 0.08 93.76 02:10:11 1 7.12 0.00 0.65 0.02 0.08 92.13 02:20:11 all 2.01 0.00 0.31 0.02 0.06 97.61 02:20:11 0 1.88 0.00 0.34 0.03 0.06 97.69 02:20:11 1 2.13 0.00 0.28 0.02 0.05 97.52 02:30:16 all 1.65 0.00 0.40 0.01 0.05 97.88 02:30:16 0 1.75 0.00 0.38 0.01 0.04 97.82 02:30:16 1 1.55 0.00 0.43 0.01 0.05 97.95 02:40:01 all 2.92 0.00 0.36 0.04 0.05 96.63 02:40:01 0 4.38 0.00 0.41 0.06 0.04 95.10 02:40:01 1 1.45 0.00 0.32 0.01 0.05 98.17 Average: all 2.76 0.00 0.40 0.02 0.06 96.76 Average: 0 2.94 0.00 0.41 0.02 0.06 96.57 Average: 1 2.58 0.00 0.40 0.02 0.06 96.95