---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10782 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 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 759 5219 4 2260 7182 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:3e:88:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 14223sec preferred_lft 14223sec inet6 fe80::f816:3eff:fe3e:88d4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10782) 05/05/26 _x86_64_ (2 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:03 1.76 0.01 1.73 0.01 0.81 20.28 0.20 00:20:03 1.83 0.11 1.69 0.03 3.05 23.31 547.73 00:30:03 1.88 0.00 1.86 0.02 0.00 21.11 216.72 00:40:03 24.00 3.04 17.99 2.97 227.49 3228.81 2940.37 Average: 7.37 0.79 5.82 0.76 57.84 823.38 926.26 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:03 6124224 7515504 293316 3.61 53344 1534160 537416 5.85 470504 1305092 240 00:20:03 6128708 7484872 323888 3.98 53504 1498832 534904 5.83 469144 1269576 244 00:30:03 6133076 7489868 318588 3.92 53668 1499288 589980 6.43 474604 1270068 208 00:40:03 5404084 7407004 363504 4.47 103760 2063188 602524 6.56 593364 1838684 29112 Average: 5947523 7474312 324824 3.99 66069 1648867 566206 6.17 501904 1420855 7451 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:03 ens3 0.22 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:03 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:03 ens3 0.15 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 0.50 0.11 0.18 0.10 0.00 0.00 0.00 0.00 00:40:03 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 63.73 44.06 310.29 13.08 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.15 11.07 77.64 3.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10782) 05/05/26 _x86_64_ (2 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:03 all 0.26 0.00 0.10 0.01 0.02 99.62 00:10:03 0 0.05 0.00 0.11 0.01 0.02 99.81 00:10:03 1 0.46 0.00 0.09 0.01 0.02 99.43 00:20:03 all 0.63 0.00 0.21 0.01 0.02 99.14 00:20:03 0 0.90 0.00 0.21 0.00 0.01 98.88 00:20:03 1 0.35 0.00 0.20 0.02 0.02 99.41 00:30:03 all 0.26 0.00 0.16 0.01 0.02 99.56 00:30:03 0 0.27 0.00 0.15 0.01 0.02 99.56 00:30:03 1 0.25 0.00 0.17 0.01 0.02 99.56 00:40:03 all 12.13 0.00 1.81 0.45 0.04 85.57 00:40:03 0 13.33 0.00 1.85 0.32 0.04 84.45 00:40:03 1 10.93 0.00 1.76 0.57 0.04 86.69 Average: all 3.31 0.00 0.57 0.12 0.02 95.98 Average: 0 3.63 0.00 0.58 0.09 0.02 95.68 Average: 1 2.99 0.00 0.56 0.15 0.03 96.27