---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28227 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: 5600.00 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 761 5127 4 2353 7180 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:d5:43:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8743sec preferred_lft 8743sec inet6 fe80::f816:3eff:fed5:4300/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28227) 06/19/26 _x86_64_ (2 CPU) 00:00:39 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:06 1.88 0.02 1.84 0.02 0.86 21.66 0.23 00:20:01 1.78 0.11 1.64 0.03 3.08 23.31 545.63 00:30:16 1.72 0.00 1.70 0.01 0.00 18.99 0.34 00:40:36 23.01 2.89 17.91 2.21 218.50 3313.75 829.12 Average: 7.28 0.78 5.91 0.59 57.47 872.74 349.98 00:00:39 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:06 6127680 7523596 284808 3.50 53844 1538236 601680 6.55 478264 1308716 292 00:20:01 6133588 7491472 316728 3.89 54008 1499964 599524 6.53 477008 1270396 172 00:30:16 6154632 7513148 294988 3.63 54156 1500452 599524 6.53 477184 1270896 312 00:40:36 5358388 7447928 317220 3.90 105100 2144128 623068 6.79 556332 1920404 1560 Average: 5943572 7494036 303436 3.73 66777 1670695 605949 6.60 497197 1442603 584 00:00:39 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:06 ens3 0.22 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.16 0.05 0.03 0.02 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.53 0.13 0.20 0.10 0.00 0.00 0.00 0.00 00:40:36 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:36 ens3 62.26 44.35 305.97 11.96 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.33 11.53 79.20 3.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28227) 06/19/26 _x86_64_ (2 CPU) 00:00:39 CPU %user %nice %system %iowait %steal %idle 00:10:06 all 0.25 0.00 0.10 0.02 0.02 99.60 00:10:06 0 0.15 0.00 0.11 0.03 0.02 99.68 00:10:06 1 0.35 0.00 0.09 0.02 0.02 99.52 00:20:01 all 0.65 0.00 0.21 0.01 0.02 99.11 00:20:01 0 0.66 0.00 0.19 0.02 0.01 99.12 00:20:01 1 0.64 0.00 0.24 0.01 0.02 99.09 00:30:16 all 0.23 0.00 0.16 0.01 0.01 99.58 00:30:16 0 0.40 0.00 0.14 0.01 0.01 99.44 00:30:16 1 0.07 0.00 0.17 0.01 0.02 99.73 00:40:36 all 13.48 0.00 1.84 0.68 0.05 83.96 00:40:36 0 14.24 0.00 1.85 0.79 0.05 83.07 00:40:36 1 12.71 0.00 1.83 0.56 0.05 84.85 Average: all 3.76 0.00 0.59 0.19 0.02 95.43 Average: 0 3.98 0.00 0.59 0.22 0.02 95.19 Average: 1 3.54 0.00 0.60 0.16 0.03 95.68