---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8201 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 766 5128 4 2345 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:c3:0a:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 48198sec preferred_lft 48198sec inet6 fe80::f816:3eff:fec3:a48/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8201) 04/27/26 _x86_64_ (2 CPU) 00:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.82 0.02 1.78 0.02 0.83 21.46 221.12 00:20:01 1.88 0.11 1.75 0.03 3.05 24.47 700.58 00:30:14 1.73 0.00 1.71 0.01 0.00 19.22 212.11 00:40:01 23.65 3.24 18.07 2.33 235.55 3302.64 618.05 00:50:01 1.59 0.00 1.57 0.02 0.00 23.70 1.13 01:00:24 2.12 0.00 2.07 0.04 0.00 28.32 350.35 01:10:01 1.66 0.00 1.64 0.02 0.00 139.57 398.89 01:20:01 1.56 0.00 1.55 0.01 0.00 34.65 0.73 01:30:14 4.25 0.00 2.08 2.17 0.00 38.43 1743.93 Average: 4.43 0.37 3.54 0.52 26.02 395.04 474.23 00:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6112860 7511880 297108 3.65 54572 1540384 543444 5.92 480108 1309580 272 00:20:01 6135812 7496420 312472 3.84 54696 1501788 540536 5.89 478408 1270892 264 00:30:14 6139128 7500248 308612 3.79 54820 1502156 540600 5.89 478448 1271380 360 00:40:01 5096052 7289372 471920 5.80 104308 2244292 668388 7.28 622096 2017548 292 00:50:01 5170172 7365580 395768 4.87 104404 2246284 660908 7.20 606404 2019652 300 01:00:24 5156544 7353712 407556 5.01 104572 2247872 680672 7.41 625116 2021408 180 01:10:01 5140704 7374376 386788 4.76 104720 2284152 669196 7.29 612636 2057820 1328 01:20:01 5111184 7349332 411832 5.06 104840 2288432 672092 7.32 616400 2062108 248 01:30:14 5072340 7312856 448084 5.51 105064 2290516 704592 7.67 648852 2064416 216 Average: 5459422 7394864 382238 4.70 88000 2016208 631159 6.87 574274 1788312 384 00:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.29 0.07 0.07 0.03 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 0.15 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:14 ens3 0.30 0.09 0.11 0.06 0.00 0.00 0.00 0.00 00:40:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 66.28 49.55 335.53 12.39 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 21.35 18.04 223.83 1.54 0.00 0.00 0.00 0.00 01:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:24 ens3 4.56 3.96 31.92 0.59 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 15.38 14.33 163.65 1.61 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 15.46 14.69 141.61 1.60 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 13.18 12.76 137.24 1.14 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.04 12.48 113.83 2.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8201) 04/27/26 _x86_64_ (2 CPU) 00:00:14 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.22 0.00 0.10 0.02 0.02 99.64 00:10:01 0 0.40 0.00 0.08 0.02 0.01 99.49 00:10:01 1 0.05 0.00 0.12 0.02 0.03 99.79 00:20:01 all 0.63 0.00 0.20 0.01 0.02 99.14 00:20:01 0 0.62 0.00 0.16 0.01 0.01 99.20 00:20:01 1 0.63 0.00 0.25 0.02 0.03 99.08 00:30:14 all 0.27 0.00 0.15 0.01 0.02 99.55 00:30:14 0 0.23 0.00 0.14 0.02 0.02 99.59 00:30:14 1 0.30 0.00 0.16 0.00 0.02 99.51 00:40:01 all 11.00 0.00 1.71 0.53 0.04 86.71 00:40:01 0 10.94 0.00 1.65 0.67 0.04 86.70 00:40:01 1 11.07 0.00 1.78 0.39 0.04 86.72 00:50:01 all 0.94 0.00 0.25 0.02 0.05 98.75 00:50:01 0 0.90 0.00 0.20 0.02 0.04 98.85 00:50:01 1 0.99 0.00 0.29 0.02 0.06 98.64 01:00:24 all 4.26 0.00 0.66 0.06 0.06 94.97 01:00:24 0 2.75 0.00 0.52 0.06 0.05 96.62 01:00:24 1 5.79 0.00 0.80 0.05 0.06 93.29 01:10:01 all 4.25 0.00 0.60 0.02 0.06 95.08 01:10:01 0 3.32 0.00 0.50 0.02 0.05 96.11 01:10:01 1 5.19 0.00 0.69 0.01 0.06 94.04 01:20:01 all 1.48 0.00 0.29 0.01 0.05 98.17 01:20:01 0 1.21 0.00 0.27 0.02 0.04 98.46 01:20:01 1 1.75 0.00 0.31 0.01 0.06 97.88 01:30:14 all 0.93 0.01 0.34 0.15 0.04 98.53 01:30:14 0 0.71 0.02 0.28 0.24 0.03 98.72 01:30:14 1 1.16 0.00 0.40 0.06 0.04 98.34 Average: all 2.64 0.00 0.47 0.09 0.04 96.76 Average: 0 2.31 0.00 0.42 0.12 0.03 97.12 Average: 1 2.96 0.00 0.53 0.06 0.04 96.40