---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8198 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 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 773 5107 4 2359 7168 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:af:4e:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7844sec preferred_lft 7844sec inet6 fe80::f816:3eff:feaf:4e08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8198) 04/27/26 _x86_64_ (2 CPU) 00:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:32 1.66 0.01 1.63 0.02 0.78 20.18 207.24 00:20:00 1.74 0.11 1.59 0.04 3.22 23.61 565.83 00:30:00 1.55 0.00 1.53 0.02 0.00 17.92 0.39 00:40:01 22.64 3.14 17.25 2.25 229.96 3201.74 560.58 Average: 6.91 0.82 5.51 0.58 58.65 818.45 329.17 00:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:32 6123252 7525368 283140 3.48 53980 1544208 548076 5.97 468068 1312948 360 00:20:00 6123608 7487252 321176 3.95 54124 1505576 545668 5.94 466668 1274212 224 00:30:00 6126180 7490320 318136 3.91 54252 1505900 546200 5.95 467212 1274696 216 00:40:01 5174388 7388704 372228 4.58 103804 2265900 657836 7.17 610392 2038692 836 Average: 5886857 7472911 323670 3.98 66540 1705396 574445 6.26 503085 1475137 409 00:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:32 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.15 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.48 0.36 0.12 1.84 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 00:40:01 ens3 68.04 49.65 313.13 12.59 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 17.30 12.57 78.60 3.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8198) 04/27/26 _x86_64_ (2 CPU) 00:00:05 CPU %user %nice %system %iowait %steal %idle 00:10:32 all 0.27 0.00 0.10 0.01 0.03 99.58 00:10:32 0 0.11 0.00 0.12 0.01 0.04 99.72 00:10:32 1 0.43 0.00 0.09 0.01 0.03 99.44 00:20:00 all 0.65 0.00 0.22 0.01 0.03 99.08 00:20:00 0 0.75 0.00 0.24 0.01 0.03 98.97 00:20:00 1 0.55 0.00 0.21 0.02 0.04 99.18 00:30:00 all 0.19 0.00 0.16 0.01 0.03 99.61 00:30:00 0 0.14 0.00 0.15 0.01 0.03 99.68 00:30:00 1 0.25 0.00 0.17 0.01 0.03 99.53 00:40:01 all 12.60 0.00 1.64 0.51 0.05 85.19 00:40:01 0 12.08 0.00 1.74 0.54 0.05 85.59 00:40:01 1 13.13 0.00 1.53 0.49 0.05 84.80 Average: all 3.43 0.00 0.53 0.14 0.04 95.86 Average: 0 3.27 0.00 0.56 0.14 0.04 95.99 Average: 1 3.60 0.00 0.50 0.13 0.04 95.73