---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38497 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 8.0G 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 772 5096 4 2366 7169 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:af:5e:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78943sec preferred_lft 78943sec inet6 fe80::f816:3eff:feaf:5e5d/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-38497) 07/25/26 _x86_64_ (2 CPU) 00:35:20 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 1.25 0.02 1.22 0.00 1.23 14.86 0.12 01:00:04 1.50 0.01 1.47 0.02 0.05 17.93 654.83 01:10:01 1.23 0.00 1.21 0.02 0.00 14.68 1.10 01:20:04 1.91 0.28 1.60 0.03 32.98 76.73 1.54 01:30:04 14.05 0.01 1.47 12.57 1.20 18.29 110003.16 01:40:01 1.24 0.00 1.22 0.02 0.00 14.90 1.08 01:50:04 23.41 2.84 18.29 2.28 223.53 3472.39 1408.17 02:00:04 1.49 0.00 1.47 0.02 0.00 23.92 0.28 02:10:01 1.29 0.00 1.29 0.00 0.00 19.02 0.03 02:20:00 1.54 0.00 1.53 0.01 0.00 141.13 396.68 02:30:04 1.61 0.00 1.58 0.03 0.00 32.18 0.48 Average: 4.60 0.29 2.95 1.36 23.63 350.77 10219.75 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 6285512 7532408 287852 3.54 30616 1422176 518756 5.65 444136 1183372 176 01:00:04 6281776 7529252 291008 3.58 30848 1422500 518820 5.65 444256 1183932 176 01:10:01 6280516 7528536 291720 3.59 31068 1422824 518876 5.65 441576 1184476 152 01:20:04 6253456 7529488 290260 3.57 31456 1450060 721380 7.86 457308 1202776 188 01:30:04 6268088 7545180 274448 3.37 31676 1450876 521028 5.68 452048 1203344 192 01:40:01 6273984 7551592 268028 3.30 31864 1451200 521028 5.68 452380 1203856 136 01:50:04 5165444 7385220 380704 4.68 87452 2291932 618248 6.73 589076 2055056 464 02:00:04 5136976 7358856 407028 5.00 87572 2293916 626888 6.83 588696 2057160 452 02:10:01 5143216 7366228 399688 4.91 87692 2294932 646508 7.04 608644 2058296 156 02:20:00 5108536 7368712 396904 4.88 87860 2331824 689412 7.51 602516 2095220 164 02:30:04 5054576 7319480 446156 5.49 88024 2336308 668476 7.28 630696 2099876 696 Average: 5750189 7455905 339436 4.17 56921 1833504 597220 6.50 519212 1593397 268 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 1.20 0.10 0.16 0.06 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.32 0.06 0.06 0.03 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 0.30 0.06 0.06 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 1.12 0.63 3.39 0.68 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.22 0.04 0.06 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.41 0.10 0.14 0.07 0.00 0.00 0.00 0.00 01:50:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:04 ens3 80.21 57.87 436.47 12.68 0.00 0.00 0.00 0.00 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 15.62 14.56 168.00 1.27 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 3.00 2.57 5.07 0.46 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 16.57 15.61 185.37 1.66 0.00 0.00 0.00 0.00 02:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 23.58 22.28 223.86 2.30 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 12.99 10.38 93.19 1.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38497) 07/25/26 _x86_64_ (2 CPU) 00:35:20 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 0.23 0.00 0.09 0.01 0.03 99.63 00:50:04 0 0.40 0.00 0.08 0.02 0.03 99.48 00:50:04 1 0.06 0.00 0.10 0.01 0.04 99.79 01:00:04 all 0.27 0.00 0.17 0.07 0.04 99.47 01:00:04 0 0.32 0.00 0.17 0.08 0.03 99.40 01:00:04 1 0.21 0.00 0.17 0.05 0.04 99.53 01:10:01 all 0.31 0.00 0.08 0.01 0.04 99.57 01:10:01 0 0.06 0.00 0.09 0.01 0.05 99.80 01:10:01 1 0.56 0.00 0.07 0.01 0.03 99.33 01:20:04 all 0.45 0.00 0.11 0.04 0.04 99.37 01:20:04 0 0.66 0.00 0.11 0.04 0.03 99.17 01:20:04 1 0.24 0.00 0.11 0.03 0.04 99.57 01:30:04 all 0.25 0.00 0.17 0.04 0.03 99.51 01:30:04 0 0.22 0.00 0.20 0.05 0.03 99.50 01:30:04 1 0.29 0.00 0.15 0.02 0.03 99.51 01:40:01 all 0.20 0.00 0.06 0.01 0.03 99.69 01:40:01 0 0.06 0.00 0.07 0.00 0.04 99.83 01:40:01 1 0.35 0.00 0.05 0.02 0.03 99.56 01:50:04 all 12.20 0.00 1.77 0.55 0.08 85.41 01:50:04 0 9.76 0.00 1.75 0.53 0.09 87.87 01:50:04 1 14.62 0.00 1.79 0.56 0.06 82.97 02:00:04 all 0.95 0.00 0.31 0.01 0.08 98.65 02:00:04 0 0.97 0.00 0.27 0.01 0.07 98.68 02:00:04 1 0.93 0.00 0.35 0.01 0.09 98.62 02:10:01 all 6.42 0.00 0.56 0.01 0.09 92.92 02:10:01 0 9.27 0.00 0.77 0.01 0.08 89.87 02:10:01 1 3.67 0.00 0.35 0.01 0.10 95.86 02:20:00 all 1.81 0.00 0.29 0.08 0.07 97.75 02:20:00 0 1.41 0.00 0.28 0.10 0.08 98.14 02:20:00 1 2.21 0.00 0.30 0.06 0.07 97.37 02:30:04 all 1.85 0.00 0.45 0.01 0.07 97.62 02:30:04 0 2.28 0.00 0.54 0.00 0.08 97.09 02:30:04 1 1.41 0.00 0.36 0.02 0.05 98.16 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.25 0.00 0.37 0.08 0.05 97.25 Average: 0 2.28 0.00 0.39 0.08 0.05 97.20 Average: 1 2.23 0.00 0.34 0.07 0.05 97.30