---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34402 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 8.0G 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 779 5093 4 2361 7162 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:35:8d:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80649sec preferred_lft 80649sec inet6 fe80::f816:3eff:fe35:8dd3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34402) 07/10/26 _x86_64_ (2 CPU) 00:42:36 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 2.11 0.26 1.81 0.04 31.95 79.55 868.75 01:10:04 1.32 0.00 1.32 0.00 0.00 16.11 0.00 01:20:01 1.51 0.00 1.50 0.01 0.01 18.41 218.94 01:30:04 1.56 0.00 1.55 0.01 0.00 18.88 650.14 01:40:04 13.97 0.00 1.42 12.54 0.15 17.04 109135.32 01:50:01 1.36 0.00 1.36 0.00 0.00 15.78 0.00 02:00:04 24.59 2.83 19.47 2.29 224.14 3546.34 993.20 02:10:04 1.38 0.00 1.38 0.00 0.00 68.29 0.04 Average: 5.99 0.39 3.74 1.86 32.15 474.28 13977.36 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6246616 7520768 299200 3.68 30888 1448552 530424 5.78 458568 1201092 212 01:10:04 6246140 7520780 299188 3.68 31048 1448880 530488 5.78 458888 1201580 188 01:20:01 6245388 7520596 299392 3.68 31264 1449216 530728 5.78 459336 1202132 172 01:30:04 6248960 7524692 295252 3.63 31452 1449552 530760 5.78 459240 1202648 344 01:40:04 6248460 7524876 295044 3.63 31628 1450036 530900 5.78 460224 1203160 320 01:50:01 6262348 7539256 280660 3.45 31780 1450368 530908 5.78 460232 1203644 220 02:00:04 5196472 7407456 359544 4.42 87048 2284068 644844 7.02 596592 2047192 1300 02:10:04 5181528 7407564 359468 4.42 87168 2299028 655024 7.13 598708 2062244 912 Average: 5984489 7495748 310968 3.82 45284 1659962 560510 6.11 493974 1415462 458 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.75 0.24 3.23 0.05 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.60 0.11 0.18 0.10 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.49 0.09 0.12 0.06 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 0.27 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.47 0.19 0.12 0.56 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.23 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:00:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:04 ens3 79.70 54.57 322.24 12.41 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 46.27 41.83 9.80 5.62 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 16.13 12.16 42.13 2.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34402) 07/10/26 _x86_64_ (2 CPU) 00:42:36 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.39 0.00 0.20 0.02 0.04 99.35 01:00:04 0 0.38 0.00 0.23 0.03 0.04 99.33 01:00:04 1 0.40 0.00 0.17 0.01 0.04 99.37 01:10:04 all 0.28 0.00 0.07 0.01 0.03 99.61 01:10:04 0 0.36 0.00 0.06 0.02 0.03 99.54 01:10:04 1 0.20 0.00 0.08 0.00 0.04 99.68 01:20:01 all 0.22 0.00 0.09 0.01 0.04 99.64 01:20:01 0 0.39 0.00 0.07 0.02 0.03 99.49 01:20:01 1 0.05 0.00 0.10 0.00 0.04 99.80 01:30:04 all 0.26 0.00 0.17 0.01 0.04 99.52 01:30:04 0 0.46 0.00 0.14 0.00 0.03 99.37 01:30:04 1 0.07 0.00 0.19 0.01 0.05 99.68 01:40:04 all 0.25 0.00 0.07 0.03 0.03 99.61 01:40:04 0 0.42 0.00 0.06 0.02 0.02 99.48 01:40:04 1 0.09 0.00 0.09 0.04 0.04 99.74 01:50:01 all 0.24 0.00 0.08 0.01 0.03 99.65 01:50:01 0 0.36 0.00 0.07 0.00 0.02 99.54 01:50:01 1 0.11 0.00 0.08 0.01 0.04 99.76 02:00:04 all 14.10 0.00 1.91 0.52 0.08 83.38 02:00:04 0 15.60 0.00 2.11 0.40 0.08 81.80 02:00:04 1 12.60 0.00 1.72 0.65 0.07 84.96 02:10:04 all 6.22 0.00 0.50 0.01 0.08 93.18 02:10:04 0 5.19 0.00 0.41 0.01 0.08 94.31 02:10:04 1 7.25 0.00 0.60 0.01 0.09 92.05 Average: all 2.74 0.00 0.39 0.08 0.05 96.75 Average: 0 2.89 0.00 0.39 0.06 0.04 96.61 Average: 1 2.59 0.00 0.38 0.09 0.05 96.89