---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8872 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 755 5211 4 2263 7186 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:f5:f5:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79289sec preferred_lft 79289sec inet6 fe80::f816:3eff:fef5:f5b6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8872) 04/28/26 _x86_64_ (2 CPU) 00:40:48 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 1.43 0.01 1.40 0.02 0.05 17.09 423.48 01:10:19 1.27 0.00 1.25 0.02 0.00 14.83 1.32 01:20:02 14.84 0.33 1.55 12.96 40.38 75.31 112540.05 01:30:19 1.55 0.00 1.51 0.03 1.02 18.28 424.08 01:40:02 1.86 0.44 1.40 0.02 18.51 48.86 1.28 01:50:01 22.53 2.63 17.65 2.25 211.34 3144.69 577.80 02:00:19 1.52 0.00 1.50 0.02 0.00 23.80 0.53 02:10:19 1.36 0.00 1.36 0.00 0.00 18.43 0.00 02:20:01 1.44 0.00 1.42 0.02 0.00 143.36 409.37 02:30:09 1.88 0.00 1.83 0.05 0.00 36.47 391.08 Average: 4.92 0.34 3.08 1.50 26.89 352.50 11127.34 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6285696 7532544 288372 3.55 30692 1421828 534184 5.82 453280 1183504 132 01:10:19 6285024 7532392 288504 3.55 30888 1422156 534184 5.82 454824 1184016 72 01:20:02 6241552 7518056 302072 3.71 31276 1450500 736964 8.03 472388 1201668 124 01:30:19 6247524 7524916 295296 3.63 31512 1451132 534332 5.82 466768 1202224 124 01:40:02 6214928 7508188 311612 3.83 31844 1466584 578288 6.30 509812 1215796 272 01:50:01 5257184 7377964 393728 4.84 85192 2199532 661940 7.21 617740 1958500 264 02:00:19 5226004 7348900 422700 5.20 85312 2201520 670512 7.30 618060 1960608 176 02:10:19 5229836 7353872 417784 5.14 85448 2202536 690212 7.52 636924 1961752 188 02:20:01 5180060 7341268 430340 5.29 85608 2239444 678720 7.39 625844 1998828 164 02:30:09 5154240 7320364 451072 5.55 85836 2244068 712696 7.76 660228 2003552 164 Average: 5732205 7435846 360148 4.43 58361 1829930 633203 6.90 551587 1587045 168 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.54 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:19 ens3 0.56 0.07 1.81 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.73 0.29 3.29 0.07 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 9.37 5.50 20.58 2.85 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 66.50 49.93 395.66 10.19 0.00 0.00 0.00 0.00 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 16.13 14.54 163.02 1.25 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 3.26 2.70 5.13 0.51 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 17.62 16.41 191.25 1.73 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 22.80 22.18 222.02 2.27 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.75 11.16 100.24 1.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8872) 04/28/26 _x86_64_ (2 CPU) 00:40:48 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.28 0.00 0.15 0.01 0.04 99.51 01:00:19 0 0.20 0.00 0.15 0.01 0.03 99.60 01:00:19 1 0.37 0.00 0.16 0.02 0.04 99.42 01:10:19 all 0.24 0.00 0.07 0.01 0.03 99.64 01:10:19 0 0.23 0.00 0.07 0.00 0.03 99.66 01:10:19 1 0.25 0.00 0.08 0.02 0.03 99.62 01:20:02 all 0.37 0.00 0.12 0.05 0.04 99.42 01:20:02 0 0.42 0.00 0.12 0.08 0.04 99.35 01:20:02 1 0.32 0.00 0.12 0.02 0.04 99.50 01:30:19 all 0.29 0.00 0.15 0.01 0.03 99.51 01:30:19 0 0.12 0.00 0.15 0.01 0.04 99.67 01:30:19 1 0.46 0.00 0.16 0.01 0.03 99.34 01:40:02 all 0.54 0.00 0.12 0.02 0.03 99.29 01:40:02 0 0.67 0.00 0.09 0.01 0.02 99.21 01:40:02 1 0.40 0.00 0.14 0.04 0.04 99.37 01:50:01 all 10.86 0.00 1.71 0.57 0.08 86.77 01:50:01 0 13.88 0.00 1.94 0.50 0.09 83.59 01:50:01 1 7.84 0.00 1.48 0.65 0.07 89.96 02:00:19 all 0.91 0.00 0.31 0.01 0.08 98.69 02:00:19 0 1.00 0.00 0.27 0.01 0.07 98.65 02:00:19 1 0.82 0.00 0.35 0.01 0.08 98.74 02:10:19 all 6.52 0.00 0.57 0.02 0.08 92.81 02:10:19 0 5.70 0.00 0.51 0.03 0.09 93.67 02:10:19 1 7.35 0.00 0.63 0.00 0.07 91.94 02:20:01 all 1.57 0.00 0.27 0.74 0.07 97.36 02:20:01 0 1.74 0.00 0.25 0.15 0.07 97.78 02:20:01 1 1.40 0.00 0.29 1.32 0.06 96.93 02:30:09 all 1.83 0.00 0.44 0.01 0.06 97.66 02:30:09 0 2.43 0.00 0.57 0.01 0.07 96.92 02:30:09 1 1.24 0.00 0.30 0.01 0.05 98.40 Average: all 2.32 0.00 0.39 0.14 0.05 97.09 Average: 0 2.62 0.00 0.41 0.08 0.06 96.83 Average: 1 2.02 0.00 0.37 0.21 0.05 97.35