---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4768 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: 5599.94 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 771 5126 4 2341 7170 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:e0:6b:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 86400sec preferred_lft 86400sec inet6 fe80::f816:3eff:fee0:6b6f/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-4768) 04/21/26 _x86_64_ (2 CPU) 00:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:10 1.64 0.01 1.61 0.01 0.81 19.87 0.24 00:20:10 1.72 0.11 1.58 0.04 3.05 23.08 543.37 00:30:10 1.74 0.00 1.73 0.01 0.00 19.52 0.37 00:40:04 21.32 2.98 16.39 1.95 224.63 2508.97 451.06 00:50:10 4.06 0.05 3.73 0.28 3.73 664.90 57.61 01:00:10 1.79 0.00 1.75 0.04 0.00 27.17 1.55 01:10:10 1.67 0.00 1.64 0.03 0.00 133.48 397.37 01:20:10 1.74 0.00 1.71 0.02 0.00 36.51 0.84 01:30:10 1.78 0.00 1.73 0.05 0.00 26.28 0.93 Average: 4.14 0.35 3.53 0.27 25.56 382.20 160.92 00:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:10 6131356 7528780 280052 3.44 54048 1539304 547356 5.96 477560 1308604 248 00:20:10 6139160 7498616 310132 3.81 54188 1501152 544904 5.94 476312 1270248 212 00:30:10 6140656 7500596 308100 3.79 54328 1501480 545032 5.94 476404 1270716 124 00:40:04 5185760 7368864 392396 4.83 102824 2235944 700388 7.63 631076 2008976 162096 00:50:10 5167876 7357784 403324 4.96 103552 2241696 674636 7.35 623464 2015040 592 01:00:10 5158560 7350720 410404 5.05 103676 2243832 676972 7.37 626324 2017292 420 01:10:10 5093808 7320872 440260 5.41 103828 2278512 696680 7.59 644884 2052132 212 01:20:10 4987824 7220680 540372 6.64 103944 2284132 701104 7.64 649824 2057724 172 01:30:10 5074056 7309060 451976 5.56 104080 2286096 701148 7.64 649964 2059840 212 Average: 5453228 7383997 393002 4.83 87163 2012461 643136 7.00 583979 1784508 18254 00:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:10 ens3 0.22 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:10 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:10 ens3 0.18 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:10 ens3 0.60 0.15 0.23 0.14 0.00 0.00 0.00 0.00 00:40:04 lo 1.27 1.27 0.10 0.10 0.00 0.00 0.00 0.00 00:40:04 ens3 41.14 28.99 297.15 8.24 0.00 0.00 0.00 0.00 00:50:10 lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 00:50:10 ens3 41.56 35.65 226.34 5.94 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 10.73 9.61 61.67 1.09 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 8.40 7.16 73.34 0.86 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 18.20 16.89 142.06 1.98 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 19.98 18.76 223.65 1.53 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.65 13.03 113.66 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4768) 04/21/26 _x86_64_ (2 CPU) 00:00:04 CPU %user %nice %system %iowait %steal %idle 00:10:10 all 0.25 0.00 0.11 0.01 0.03 99.61 00:10:10 0 0.44 0.00 0.11 0.01 0.02 99.41 00:10:10 1 0.05 0.00 0.11 0.00 0.03 99.81 00:20:10 all 0.64 0.00 0.21 0.01 0.02 99.12 00:20:10 0 0.53 0.00 0.24 0.01 0.03 99.20 00:20:10 1 0.76 0.00 0.18 0.01 0.01 99.04 00:30:10 all 0.26 0.00 0.15 0.01 0.02 99.56 00:30:10 0 0.16 0.00 0.17 0.00 0.02 99.65 00:30:10 1 0.36 0.00 0.14 0.01 0.02 99.48 00:40:04 all 9.78 0.00 1.44 0.42 0.04 88.33 00:40:04 0 13.80 0.00 1.69 0.44 0.04 84.02 00:40:04 1 5.75 0.00 1.20 0.39 0.03 92.63 00:50:10 all 2.23 0.00 0.48 0.05 0.04 97.20 00:50:10 0 2.64 0.00 0.50 0.08 0.04 96.74 00:50:10 1 1.82 0.00 0.46 0.01 0.05 97.66 01:00:10 all 2.08 0.00 0.38 0.01 0.04 97.49 01:00:10 0 0.74 0.00 0.29 0.01 0.05 98.91 01:00:10 1 3.42 0.00 0.47 0.01 0.04 96.05 01:10:10 all 7.05 0.00 0.74 0.01 0.07 92.13 01:10:10 0 5.84 0.00 0.64 0.02 0.07 93.44 01:10:10 1 8.26 0.00 0.84 0.01 0.07 90.83 01:20:10 all 1.94 0.00 0.31 0.01 0.04 97.70 01:20:10 0 2.21 0.00 0.33 0.00 0.05 97.42 01:20:10 1 1.68 0.00 0.28 0.02 0.04 97.98 01:30:10 all 1.03 0.00 0.36 0.03 0.04 98.54 01:30:10 0 1.31 0.00 0.44 0.02 0.05 98.19 01:30:10 1 0.74 0.00 0.28 0.05 0.03 98.90 Average: all 2.79 0.00 0.46 0.06 0.04 96.65 Average: 0 3.05 0.00 0.49 0.06 0.04 96.35 Average: 1 2.52 0.00 0.44 0.06 0.04 96.95