---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34997 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 740 5135 4 2358 7201 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:20:5c:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79265sec preferred_lft 79265sec inet6 fe80::f816:3eff:fe20:5c59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34997) 07/12/26 _x86_64_ (2 CPU) 00:42:26 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 1.41 0.01 1.37 0.03 1.09 17.70 643.91 01:10:00 14.13 0.00 1.35 12.78 0.15 17.18 110976.70 01:20:00 1.25 0.00 1.23 0.02 0.01 15.56 218.97 01:30:10 1.37 0.00 1.34 0.03 0.00 17.74 857.99 01:40:00 1.21 0.00 1.19 0.02 0.00 15.13 1.22 01:50:01 23.94 2.86 18.79 2.29 225.60 3467.09 859.63 02:00:00 1.53 0.00 1.51 0.02 0.00 24.94 0.39 02:10:00 1.56 0.00 1.55 0.01 0.00 22.65 0.16 02:20:01 1.45 0.00 1.42 0.03 0.00 140.78 406.51 02:30:10 1.54 0.00 1.49 0.04 0.00 31.62 3.57 02:40:00 2.39 0.04 1.94 0.41 1.10 72.86 1990.94 Average: 4.69 0.27 3.02 1.41 20.76 349.87 10372.75 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 6252304 7531324 288616 3.55 30972 1453276 530264 5.78 451756 1205344 212 01:10:00 6251548 7531192 288640 3.55 31212 1453652 583716 6.36 455808 1205936 124 01:20:00 6258380 7538556 281308 3.46 31412 1453976 530044 5.77 457064 1206464 128 01:30:10 6258284 7539060 280768 3.45 31652 1454308 530048 5.77 457064 1207036 188 01:40:00 6265632 7547072 272748 3.35 31852 1454764 530108 5.77 457528 1207564 164 01:50:01 5152492 7364520 402456 4.95 87060 2285036 669352 7.29 624656 2047484 124 02:00:00 5105380 7319528 447436 5.50 87192 2287024 694740 7.57 641732 2049604 456 02:10:00 5111744 7327068 439824 5.41 87348 2288044 695780 7.58 642476 2050780 124 02:20:01 5046704 7299252 467564 5.75 87520 2325000 686188 7.47 632304 2087896 296 02:30:10 5033884 7290808 475944 5.85 87688 2329144 721000 7.85 667620 2092084 276 02:40:00 5278024 7388484 387500 4.76 88220 2190468 634580 6.91 615388 1953784 47492 Average: 5637671 7425169 366619 4.51 62012 1906790 618711 6.74 554854 1664907 4508 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.50 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.68 0.05 4.36 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.87 0.08 0.83 0.06 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.37 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.56 0.07 0.15 0.05 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 75.73 54.78 432.19 12.72 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 16.70 14.81 168.39 1.30 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 3.31 2.83 5.10 0.48 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 17.44 16.05 185.43 1.69 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 21.50 20.41 221.18 1.94 0.00 0.00 0.00 0.00 02:40:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 15.98 13.47 70.97 8.65 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 13.98 11.17 99.24 2.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34997) 07/12/26 _x86_64_ (2 CPU) 00:42:26 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 0.26 0.00 0.17 0.03 0.03 99.51 01:00:10 0 0.36 0.00 0.16 0.05 0.03 99.41 01:00:10 1 0.16 0.00 0.19 0.01 0.04 99.60 01:10:00 all 0.24 0.00 0.09 0.05 0.03 99.58 01:10:00 0 0.07 0.00 0.11 0.07 0.03 99.72 01:10:00 1 0.42 0.00 0.08 0.04 0.03 99.44 01:20:00 all 0.27 0.00 0.07 0.01 0.04 99.61 01:20:00 0 0.12 0.00 0.09 0.01 0.04 99.74 01:20:00 1 0.41 0.00 0.06 0.01 0.04 99.47 01:30:10 all 0.27 0.00 0.15 0.02 0.04 99.53 01:30:10 0 0.47 0.00 0.13 0.02 0.03 99.36 01:30:10 1 0.06 0.00 0.17 0.01 0.05 99.70 01:40:00 all 0.28 0.00 0.06 0.01 0.04 99.61 01:40:00 0 0.50 0.00 0.03 0.01 0.03 99.44 01:40:00 1 0.06 0.00 0.09 0.02 0.05 99.78 01:50:01 all 12.11 0.00 1.77 0.94 0.07 85.10 01:50:01 0 14.45 0.00 2.01 0.88 0.08 82.58 01:50:01 1 9.78 0.00 1.54 1.00 0.06 87.62 02:00:00 all 0.95 0.00 0.30 0.01 0.06 98.68 02:00:00 0 0.86 0.00 0.32 0.01 0.07 98.74 02:00:00 1 1.04 0.00 0.29 0.01 0.06 98.61 02:10:00 all 6.52 0.00 0.60 0.02 0.07 92.79 02:10:00 0 5.29 0.00 0.51 0.01 0.07 94.11 02:10:00 1 7.76 0.00 0.69 0.03 0.07 91.45 02:20:01 all 2.30 0.00 0.32 0.01 0.07 97.31 02:20:01 0 3.04 0.00 0.40 0.01 0.06 96.49 02:20:01 1 1.56 0.00 0.24 0.01 0.07 98.12 02:30:10 all 1.61 0.00 0.40 0.02 0.06 97.91 02:30:10 0 1.00 0.00 0.32 0.01 0.04 98.63 02:30:10 1 2.22 0.00 0.47 0.04 0.08 97.19 02:40:00 all 2.05 0.00 0.30 0.02 0.06 97.56 02:40:00 0 2.73 0.00 0.41 0.04 0.08 96.74 02:40:00 1 1.36 0.00 0.19 0.01 0.05 98.39 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.43 0.00 0.39 0.10 0.05 97.03 Average: 0 2.62 0.00 0.41 0.10 0.05 96.82 Average: 1 2.24 0.00 0.36 0.11 0.06 97.23