---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11923 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 766 5193 4 2278 7175 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:fe:2d:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8327sec preferred_lft 8327sec inet6 fe80::f816:3eff:fefe:2d5e/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-11923) 05/09/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.96 0.02 1.93 0.02 0.81 22.93 216.87 00:20:08 1.84 0.11 1.70 0.03 3.02 23.82 139.72 00:30:01 1.73 0.00 1.72 0.01 0.00 19.05 0.31 00:40:08 21.87 2.97 16.71 2.19 223.29 3111.36 638.43 Average: 6.89 0.78 5.54 0.57 57.21 800.13 250.14 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6108976 7505688 303244 3.73 54424 1538224 539832 5.88 475472 1309048 160 00:20:08 6137012 7495680 313236 3.85 54564 1499984 537540 5.85 474196 1270728 332 00:30:01 6145116 7504228 304680 3.75 54680 1500304 537744 5.86 474260 1271164 288 00:40:08 5250660 7445568 315716 3.88 103708 2246416 572744 6.24 560572 2021152 256 Average: 5910441 7487791 309219 3.80 66844 1696232 546965 5.96 496125 1468023 259 00:00:01 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 0.25 0.08 0.08 0.04 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:08 ens3 0.22 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.50 0.13 0.17 0.09 0.00 0.00 0.00 0.00 00:40:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:08 ens3 94.38 67.85 305.55 17.09 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 24.02 17.16 77.05 4.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11923) 05/09/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.21 0.00 0.10 0.01 0.03 99.65 00:10:00 0 0.11 0.00 0.13 0.01 0.03 99.71 00:10:00 1 0.31 0.00 0.07 0.01 0.02 99.60 00:20:08 all 0.64 0.00 0.21 0.01 0.03 99.12 00:20:08 0 0.58 0.00 0.25 0.01 0.03 99.13 00:20:08 1 0.69 0.00 0.18 0.01 0.02 99.10 00:30:01 all 0.21 0.00 0.16 0.01 0.03 99.59 00:30:01 0 0.19 0.00 0.17 0.02 0.03 99.59 00:30:01 1 0.22 0.00 0.16 0.00 0.03 99.60 00:40:08 all 10.55 0.00 1.63 0.45 0.04 87.32 00:40:08 0 9.92 0.00 1.66 0.60 0.04 87.78 00:40:08 1 11.19 0.00 1.60 0.30 0.05 86.86 Average: all 2.92 0.00 0.53 0.12 0.03 96.40 Average: 0 2.72 0.00 0.55 0.16 0.03 96.53 Average: 1 3.12 0.00 0.50 0.08 0.03 96.27