---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33862 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 737 5207 4 2290 7204 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:14:54:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80978sec preferred_lft 80978sec inet6 fe80::f816:3eff:fe14:54e7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33862) 07/08/26 _x86_64_ (2 CPU) 00:35:46 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 14.23 0.03 1.46 12.74 1.41 72.77 111029.54 01:00:01 2.12 0.26 1.83 0.03 32.01 79.22 435.98 01:10:10 1.23 0.00 1.22 0.01 0.00 14.86 0.83 01:20:10 1.14 0.00 1.14 0.00 0.01 14.56 0.00 01:30:01 1.39 0.00 1.38 0.01 0.00 17.04 441.86 01:40:10 1.23 0.00 1.23 0.00 0.00 15.58 0.13 01:50:04 1.62 0.40 1.21 0.00 15.98 46.74 219.87 02:00:01 23.85 2.62 18.88 2.34 215.83 3486.50 916.80 Average: 5.82 0.41 3.53 1.87 33.06 466.74 13924.11 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 6285664 7533740 286680 3.53 30564 1423196 528272 5.75 448816 1183300 184 01:00:01 6244932 7520608 299300 3.68 30988 1449960 528472 5.76 458000 1201412 128 01:10:10 6244692 7520888 299012 3.68 31176 1450288 528472 5.76 459544 1201928 172 01:20:10 6244692 7521380 298504 3.67 31348 1450612 528536 5.76 459920 1202416 192 01:30:01 6251132 7528460 291452 3.58 31508 1451068 529388 5.77 460848 1202912 124 01:40:10 6258720 7536576 283284 3.48 31700 1451400 584464 6.37 466132 1203432 228 01:50:04 6236264 7529164 290388 3.57 31992 1466084 545836 5.95 485496 1216884 316 02:00:01 5197984 7411912 354792 4.36 87916 2286068 628592 6.85 594180 2048432 484 Average: 6120510 7512841 300426 3.69 38399 1553584 550254 5.99 479117 1307590 228 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 1.05 0.12 0.15 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.72 0.26 3.22 0.05 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 0.38 0.06 0.09 0.03 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 0.43 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.34 0.19 0.06 0.59 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.38 0.10 0.14 0.06 0.00 0.00 0.00 0.00 01:50:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 11.79 5.32 20.27 2.69 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 103.22 74.98 312.25 15.58 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.73 10.10 41.88 2.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33862) 07/08/26 _x86_64_ (2 CPU) 00:35:46 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.27 0.00 0.09 0.03 0.02 99.59 00:50:00 0 0.06 0.00 0.10 0.04 0.02 99.79 00:50:00 1 0.48 0.00 0.09 0.02 0.01 99.39 01:00:01 all 0.40 0.00 0.22 0.02 0.02 99.34 01:00:01 0 0.51 0.00 0.22 0.03 0.02 99.23 01:00:01 1 0.29 0.00 0.23 0.01 0.02 99.45 01:10:10 all 0.26 0.00 0.08 0.01 0.02 99.63 01:10:10 0 0.34 0.00 0.08 0.01 0.01 99.56 01:10:10 1 0.19 0.00 0.08 0.00 0.02 99.70 01:20:10 all 0.23 0.00 0.08 0.01 0.01 99.67 01:20:10 0 0.39 0.00 0.07 0.01 0.01 99.52 01:20:10 1 0.07 0.00 0.09 0.00 0.02 99.81 01:30:01 all 0.30 0.00 0.17 0.01 0.02 99.51 01:30:01 0 0.21 0.00 0.18 0.01 0.02 99.58 01:30:01 1 0.38 0.00 0.16 0.00 0.02 99.45 01:40:10 all 0.26 0.00 0.07 0.01 0.01 99.65 01:40:10 0 0.06 0.00 0.09 0.02 0.02 99.82 01:40:10 1 0.46 0.00 0.06 0.00 0.01 99.47 01:50:04 all 0.49 0.00 0.10 0.01 0.02 99.38 01:50:04 0 0.27 0.00 0.13 0.02 0.02 99.57 01:50:04 1 0.72 0.00 0.07 0.01 0.01 99.19 02:00:01 all 14.81 0.00 2.15 0.65 0.05 82.34 02:00:01 0 15.85 0.00 2.32 0.44 0.05 81.34 02:00:01 1 13.77 0.00 1.98 0.86 0.05 83.34 Average: all 2.12 0.00 0.37 0.09 0.02 97.40 Average: 0 2.20 0.00 0.40 0.07 0.02 97.31 Average: 1 2.04 0.00 0.34 0.11 0.02 97.49