---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2410 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 8.2G 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 777 4918 4 2538 7164 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:9a:0f:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79019sec preferred_lft 79019sec inet6 fe80::f816:3eff:fe9a:f57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2410) 04/13/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.62 0.03 1.59 0.01 1.24 19.52 436.03 02:10:01 1.40 0.01 1.39 0.00 0.05 16.83 0.12 02:20:01 13.95 0.01 1.41 12.54 0.16 16.40 109204.63 02:30:01 1.49 0.00 1.47 0.01 0.00 18.06 653.79 02:40:01 1.99 0.32 1.65 0.02 40.07 74.21 0.25 02:50:01 1.75 0.35 1.40 0.00 13.79 35.51 0.00 03:00:01 22.07 2.68 17.13 2.27 214.45 3133.43 794.39 03:10:01 1.33 0.00 1.31 0.02 0.00 16.37 0.13 03:20:01 1.36 0.00 1.34 0.02 0.00 80.69 0.40 03:30:01 1.91 0.00 1.85 0.06 0.00 511.20 1.73 03:40:01 1.31 0.00 1.30 0.02 0.00 16.65 0.13 03:50:01 1.77 0.04 1.47 0.26 1.43 39.05 1932.39 Average: 4.33 0.29 2.78 1.27 22.60 331.50 9417.16 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6304700 7551292 269088 3.31 30556 1421712 528208 5.75 441360 1183064 176 02:10:01 6309532 7556652 263724 3.24 30760 1422036 528348 5.75 441412 1183592 184 02:20:01 6316104 7563780 256556 3.15 30924 1422416 528348 5.75 441604 1184108 140 02:30:01 6301548 7549752 270520 3.33 31116 1422756 528940 5.76 441760 1184628 160 02:40:01 6252020 7529328 290464 3.57 31460 1451124 530392 5.78 453332 1201976 124 02:50:01 6245748 7533796 285844 3.51 31676 1461548 540520 5.89 478640 1211212 136 03:00:01 5054840 7164920 606788 7.46 85068 2189180 841904 9.17 802880 1947956 148 03:10:01 5136252 7246888 524824 6.45 85224 2189592 758104 8.26 718280 1948524 152 03:20:01 5123684 7254152 517600 6.36 85416 2209232 787232 8.57 731076 1968356 168 03:30:01 4794560 7074500 694980 8.55 85636 2356628 977828 10.65 922552 2115968 316 03:40:01 4778480 7059272 710232 8.73 85808 2357296 973608 10.60 918832 2116684 200 03:50:01 5068056 7372200 403988 4.97 86068 2386576 636280 6.93 626820 2145904 209560 Average: 5640460 7371378 424551 5.22 58309 1857508 679976 7.41 618212 1615998 17622 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.54 0.09 0.20 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.49 0.08 0.08 0.04 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 0.26 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.22 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.61 0.25 3.14 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 4.86 3.03 12.10 1.90 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 87.12 65.61 739.12 11.43 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 29.04 27.32 457.13 1.80 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 70.57 68.08 1174.85 4.47 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 27.29 26.15 450.84 1.81 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 23.81 22.44 377.95 1.51 0.00 0.00 0.00 0.00 03:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 32.89 27.10 295.83 24.60 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 23.22 20.02 292.61 3.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2410) 04/13/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.28 0.00 0.17 0.01 0.02 99.52 02:00:01 0 0.29 0.00 0.17 0.01 0.02 99.52 02:00:01 1 0.26 0.00 0.18 0.01 0.02 99.52 02:10:01 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:01 0 0.06 0.00 0.08 0.01 0.02 99.82 02:10:01 1 0.44 0.00 0.07 0.01 0.02 99.46 02:20:01 all 0.28 0.00 0.08 0.03 0.02 99.59 02:20:01 0 0.29 0.00 0.08 0.01 0.02 99.60 02:20:01 1 0.27 0.00 0.08 0.05 0.02 99.58 02:30:01 all 0.28 0.00 0.16 0.01 0.02 99.53 02:30:01 0 0.41 0.00 0.16 0.00 0.02 99.41 02:30:01 1 0.14 0.00 0.16 0.02 0.03 99.65 02:40:01 all 0.41 0.00 0.12 0.04 0.02 99.41 02:40:01 0 0.54 0.00 0.14 0.03 0.02 99.28 02:40:01 1 0.28 0.00 0.09 0.05 0.02 99.55 02:50:01 all 0.42 0.00 0.10 0.01 0.02 99.45 02:50:01 0 0.30 0.00 0.09 0.01 0.02 99.58 02:50:01 1 0.54 0.00 0.10 0.01 0.02 99.33 03:00:01 all 11.19 0.00 1.89 0.66 0.06 86.20 03:00:01 0 10.94 0.00 1.98 0.55 0.07 86.46 03:00:01 1 11.44 0.00 1.79 0.78 0.05 85.94 03:10:01 all 0.61 0.00 0.25 0.02 0.05 99.07 03:10:01 0 0.59 0.00 0.30 0.04 0.06 99.01 03:10:01 1 0.62 0.00 0.20 0.01 0.04 99.13 03:20:01 all 1.07 0.00 0.54 0.01 0.06 98.31 03:20:01 0 0.74 0.00 0.29 0.01 0.05 98.90 03:20:01 1 1.41 0.00 0.79 0.01 0.07 97.71 03:30:01 all 0.84 0.00 0.30 0.02 0.06 98.78 03:30:01 0 0.92 0.00 0.35 0.02 0.07 98.64 03:30:01 1 0.76 0.00 0.25 0.02 0.05 98.92 03:40:01 all 0.70 0.00 0.26 0.01 0.05 98.99 03:40:01 0 0.79 0.00 0.27 0.01 0.04 98.89 03:40:01 1 0.61 0.00 0.24 0.01 0.06 99.09 03:40:01 CPU %user %nice %system %iowait %steal %idle 03:50:01 all 2.03 0.00 0.37 0.01 0.05 97.54 03:50:01 0 2.20 0.00 0.30 0.01 0.05 97.44 03:50:01 1 1.86 0.00 0.45 0.01 0.04 97.64 Average: all 1.53 0.00 0.36 0.07 0.04 98.01 Average: 0 1.50 0.00 0.35 0.06 0.04 98.05 Average: 1 1.55 0.00 0.37 0.08 0.04 97.96