---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1617 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 7.9G 30G 21% / 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 759 5213 4 2257 7182 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:8d:ec:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78631sec preferred_lft 78631sec inet6 fe80::f816:3eff:fe8d:ecab/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-1617) 04/10/26 _x86_64_ (2 CPU) 00:40:26 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.58 0.01 1.56 0.02 0.05 18.62 438.92 01:10:12 1.40 0.00 1.40 0.00 0.00 16.28 0.00 01:20:12 1.40 0.00 1.40 0.00 0.01 16.39 0.00 01:30:01 1.51 0.00 1.50 0.01 0.00 17.91 444.00 01:40:05 1.34 0.00 1.34 0.00 0.00 15.95 0.00 01:50:04 14.45 0.40 1.47 12.57 15.97 48.64 109336.78 02:00:01 23.96 2.65 19.07 2.24 213.76 3115.09 526.60 02:10:15 1.29 0.00 1.28 0.00 0.00 21.47 0.08 02:20:05 1.30 0.00 1.30 0.00 0.00 18.03 0.00 02:30:01 1.67 0.00 1.64 0.02 0.00 144.46 400.24 02:40:15 1.33 0.00 1.32 0.01 0.00 28.05 0.12 Average: 4.64 0.28 3.02 1.35 20.76 312.78 10067.42 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6249084 7523772 295840 3.64 30936 1449192 721540 7.86 459768 1200324 120 01:10:12 6248580 7523780 295828 3.64 31120 1449516 721680 7.86 459932 1200832 180 01:20:12 6240768 7516480 303116 3.73 31300 1449844 721752 7.86 461860 1201340 176 01:30:01 6243436 7519664 299864 3.69 31468 1450172 721752 7.86 461772 1201836 240 01:40:05 6251024 7527872 291640 3.59 31628 1450640 721880 7.86 462396 1202328 196 01:50:04 6217408 7509324 309776 3.81 31924 1465340 737232 8.03 492432 1215768 280 02:00:01 5251504 7362092 408924 5.03 85188 2189740 827744 9.02 606292 1949412 260 02:10:15 5244716 7357424 413668 5.09 85324 2191728 836308 9.11 605596 1951532 196 02:20:05 5178508 7325512 445520 5.48 85452 2225864 871284 9.49 640776 1985792 33416 02:30:01 5190760 7342012 429008 5.28 85612 2229880 845192 9.21 614096 1989848 164 02:40:15 5174564 7330456 440476 5.42 85740 2234368 879044 9.57 648448 1994448 676 Average: 5771850 7439853 357605 4.40 55972 1798753 782310 8.52 537579 1553951 3264 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.54 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.41 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.46 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 0.29 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.57 0.23 0.15 0.62 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 12.30 5.42 20.16 2.67 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 68.19 50.56 393.33 9.82 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 17.69 15.23 164.46 1.29 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 5.79 4.69 41.83 0.66 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 16.32 14.92 151.04 1.78 0.00 0.00 0.00 0.00 02:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 24.07 22.49 219.87 2.35 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 13.35 10.37 90.46 1.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1617) 04/10/26 _x86_64_ (2 CPU) 00:40:26 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.19 0.03 0.04 99.45 01:00:01 0 0.49 0.00 0.18 0.04 0.03 99.27 01:00:01 1 0.10 0.00 0.19 0.02 0.05 99.64 01:10:12 all 0.26 0.00 0.08 0.01 0.04 99.61 01:10:12 0 0.45 0.00 0.06 0.01 0.04 99.43 01:10:12 1 0.07 0.00 0.10 0.01 0.04 99.78 01:20:12 all 0.25 0.00 0.08 0.01 0.05 99.62 01:20:12 0 0.33 0.00 0.07 0.02 0.04 99.55 01:20:12 1 0.17 0.00 0.09 0.01 0.05 99.68 01:30:01 all 0.23 0.00 0.16 0.01 0.04 99.56 01:30:01 0 0.08 0.00 0.18 0.01 0.05 99.69 01:30:01 1 0.39 0.00 0.14 0.01 0.03 99.42 01:40:05 all 0.26 0.00 0.09 0.02 0.03 99.60 01:40:05 0 0.29 0.00 0.08 0.01 0.03 99.59 01:40:05 1 0.23 0.00 0.09 0.03 0.03 99.62 01:50:04 all 0.47 0.00 0.12 0.04 0.02 99.35 01:50:04 0 0.27 0.00 0.14 0.07 0.02 99.50 01:50:04 1 0.66 0.00 0.09 0.02 0.02 99.21 02:00:01 all 11.24 0.00 1.83 0.60 0.05 86.28 02:00:01 0 8.52 0.00 1.52 0.39 0.05 89.52 02:00:01 1 13.97 0.00 2.13 0.80 0.06 83.04 02:10:15 all 0.90 0.00 0.23 0.04 0.04 98.79 02:10:15 0 0.85 0.00 0.28 0.05 0.05 98.76 02:10:15 1 0.94 0.00 0.19 0.03 0.03 98.82 02:20:05 all 6.58 0.00 0.69 0.03 0.06 92.63 02:20:05 0 5.22 0.00 0.56 0.05 0.07 94.10 02:20:05 1 7.97 0.00 0.83 0.00 0.06 91.13 02:30:01 all 1.44 0.00 0.34 0.01 0.04 98.16 02:30:01 0 0.93 0.00 0.32 0.02 0.04 98.70 02:30:01 1 1.95 0.00 0.37 0.01 0.05 97.62 02:40:15 all 1.84 0.00 0.35 0.05 0.04 97.72 02:40:15 0 1.23 0.00 0.28 0.04 0.04 98.42 02:40:15 1 2.45 0.00 0.41 0.07 0.05 97.02 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.13 0.00 0.37 0.08 0.04 97.37 Average: 0 1.68 0.00 0.33 0.06 0.04 97.89 Average: 1 2.59 0.00 0.42 0.09 0.04 96.86