---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15672 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 8.1G 30G 22% / 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 748 5025 4 2459 7193 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:18:78:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78956sec preferred_lft 78956sec inet6 fe80::f816:3eff:fe18:78fc/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-15672) 05/16/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 1.40 0.03 1.36 0.01 1.24 17.09 436.03 02:10:14 1.29 0.01 1.27 0.01 0.05 15.15 0.84 02:20:14 1.22 0.00 1.20 0.02 0.01 14.17 1.20 02:30:08 1.39 0.00 1.37 0.03 0.00 17.30 441.87 02:40:14 1.41 0.00 1.39 0.02 0.00 16.42 1.19 02:50:06 2.35 0.66 1.66 0.03 48.48 108.00 1.46 03:00:14 34.50 2.59 17.35 14.56 209.52 3074.85 108218.47 03:10:08 1.26 0.00 1.26 0.00 0.00 15.88 0.00 03:20:14 1.39 0.00 1.39 0.00 0.00 78.44 0.33 03:30:14 1.63 0.00 1.60 0.03 0.00 290.31 2.01 03:40:14 1.60 0.00 1.59 0.01 0.00 110.84 0.75 03:50:14 1.42 0.00 1.41 0.00 0.35 17.95 0.00 Average: 4.27 0.28 2.76 1.24 21.82 318.17 9216.21 01:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 6308560 7554924 265700 3.27 30544 1421516 519380 5.66 437204 1183128 212 02:10:14 6314888 7561816 258840 3.18 30764 1421848 519432 5.66 437280 1183688 168 02:20:14 6312956 7560400 260240 3.20 30952 1422172 519464 5.66 437228 1184200 168 02:30:08 6289124 7537116 283464 3.49 31156 1422504 524228 5.71 442184 1184728 212 02:40:14 6294456 7543000 277540 3.41 31364 1422844 524284 5.71 442572 1185276 192 02:50:06 6240772 7531068 288848 3.55 31892 1463532 542648 5.91 482768 1215788 612 03:00:14 5106740 7225076 546408 6.72 85044 2197232 777176 8.46 744576 1958564 168 03:10:08 5155008 7273872 497628 6.12 85176 2197640 723568 7.88 689944 1959096 192 03:20:14 5147656 7287112 484432 5.96 85320 2218104 766120 8.34 716448 1979688 1388 03:30:14 4976140 7197348 573168 7.05 85516 2298692 853220 9.29 803000 2060496 344 03:40:14 4857252 7107004 662996 8.15 85688 2326680 926896 10.10 877736 2088528 168 03:50:14 4713744 6964364 805628 9.91 85812 2327412 946264 10.31 905236 2089280 252 Average: 5643108 7361925 433741 5.33 58269 1845015 678557 7.39 618015 1606038 340 01:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 1.18 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.45 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.57 0.03 5.71 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.38 0.07 0.22 0.04 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 0.49 0.17 0.12 0.44 0.00 0.00 0.00 0.00 02:50:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 11.46 5.69 23.65 2.80 0.00 0.00 0.00 0.00 03:00:14 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:14 ens3 80.30 60.42 668.18 9.97 0.00 0.00 0.00 0.00 03:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:08 ens3 31.86 26.73 462.45 1.77 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 59.65 57.70 1163.89 3.80 0.00 0.00 0.00 0.00 03:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:14 ens3 19.31 18.44 380.43 1.29 0.00 0.00 0.00 0.00 03:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:14 ens3 21.37 19.88 412.87 1.39 0.00 0.00 0.00 0.00 03:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:14 ens3 12.48 11.88 262.29 0.84 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 20.06 16.85 283.05 1.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15672) 05/16/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:14 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 0.30 0.00 0.16 0.01 0.03 99.48 02:00:14 0 0.37 0.00 0.17 0.01 0.03 99.43 02:00:14 1 0.24 0.00 0.16 0.02 0.04 99.54 02:10:14 all 0.26 0.00 0.07 0.01 0.03 99.62 02:10:14 0 0.42 0.00 0.06 0.01 0.02 99.49 02:10:14 1 0.10 0.00 0.09 0.02 0.04 99.75 02:20:14 all 0.25 0.00 0.07 0.01 0.03 99.63 02:20:14 0 0.09 0.00 0.09 0.00 0.04 99.78 02:20:14 1 0.42 0.00 0.05 0.02 0.03 99.49 02:30:08 all 0.33 0.00 0.16 0.01 0.03 99.47 02:30:08 0 0.16 0.00 0.17 0.01 0.04 99.62 02:30:08 1 0.49 0.00 0.14 0.02 0.03 99.32 02:40:14 all 0.27 0.00 0.07 0.01 0.03 99.62 02:40:14 0 0.37 0.00 0.06 0.02 0.03 99.52 02:40:14 1 0.18 0.00 0.07 0.00 0.03 99.72 02:50:06 all 0.63 0.00 0.12 0.04 0.03 99.18 02:50:06 0 0.60 0.00 0.14 0.06 0.03 99.17 02:50:06 1 0.66 0.00 0.10 0.01 0.03 99.20 03:00:14 all 10.65 0.00 1.85 0.82 0.07 86.61 03:00:14 0 11.34 0.00 1.94 0.85 0.08 85.79 03:00:14 1 9.97 0.00 1.77 0.78 0.06 87.42 03:10:08 all 0.59 0.00 0.25 0.02 0.06 99.07 03:10:08 0 0.55 0.00 0.35 0.01 0.08 99.01 03:10:08 1 0.64 0.00 0.15 0.02 0.05 99.13 03:20:14 all 1.06 0.00 0.52 0.01 0.06 98.35 03:20:14 0 1.31 0.00 0.62 0.00 0.06 98.01 03:20:14 1 0.80 0.00 0.42 0.02 0.07 98.69 03:30:14 all 0.76 0.00 0.29 0.03 0.06 98.86 03:30:14 0 0.66 0.00 0.23 0.02 0.05 99.04 03:30:14 1 0.85 0.00 0.35 0.04 0.08 98.68 03:40:14 all 0.63 0.00 0.26 0.01 0.07 99.04 03:40:14 0 0.70 0.00 0.35 0.01 0.08 98.86 03:40:14 1 0.55 0.00 0.17 0.01 0.06 99.22 03:40:14 CPU %user %nice %system %iowait %steal %idle 03:50:14 all 0.93 0.00 0.24 0.01 0.07 98.76 03:50:14 0 1.38 0.00 0.25 0.01 0.07 98.29 03:50:14 1 0.49 0.00 0.23 0.00 0.07 99.22 Average: all 1.40 0.00 0.34 0.08 0.05 98.13 Average: 0 1.51 0.00 0.37 0.09 0.05 97.99 Average: 1 1.29 0.00 0.31 0.08 0.05 98.27