---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7976 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 757 5304 4 2168 7184 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:03:3f:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82048sec preferred_lft 82048sec inet6 fe80::f816:3eff:fe03:3fd9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7976) 03/22/26 _x86_64_ (2 CPU) 00:39:44 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 6.77 3.23 3.48 0.06 386.29 2903.91 215.90 01:00:10 1.42 0.01 1.40 0.02 0.05 17.31 436.68 01:10:01 1.18 0.00 1.17 0.02 0.00 14.17 0.99 01:20:00 1.12 0.00 1.10 0.02 0.01 14.06 1.10 01:30:10 1.33 0.00 1.30 0.03 0.00 16.81 430.00 01:40:01 13.99 0.00 1.24 12.74 0.15 15.75 110668.16 01:50:10 24.35 2.98 19.15 2.22 224.54 3087.43 789.97 Average: 7.19 0.90 4.15 2.13 88.44 877.95 15823.77 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 6237936 7512428 306860 3.77 30776 1449164 726360 7.91 464316 1199716 56 01:00:10 6248584 7523612 295836 3.64 30964 1449504 726424 7.91 464432 1200244 188 01:10:01 6248136 7523692 295768 3.64 31172 1449824 726560 7.91 464480 1200768 160 01:20:00 6247212 7523316 296144 3.64 31376 1450156 726564 7.91 464884 1201308 132 01:30:10 6247976 7524748 294648 3.62 31580 1450616 726612 7.91 465036 1201832 244 01:40:01 6249988 7527352 292056 3.59 31780 1450980 726752 7.92 465160 1202380 248 01:50:10 5339072 7442440 328824 4.04 85112 2182596 762092 8.30 561616 1941796 128 Average: 6116986 7511084 301448 3.71 38966 1554691 731623 7.97 478561 1306863 165 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 18.65 6.82 38.33 1.81 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.73 0.06 0.10 0.04 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 0.70 0.05 1.45 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 0.68 0.08 1.18 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 0.42 0.04 0.09 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 0.57 0.18 0.12 0.60 0.00 0.00 0.00 0.00 01:50:10 lo 1.29 1.29 0.09 0.09 0.00 0.00 0.00 0.00 01:50:10 ens3 60.92 41.49 291.11 10.65 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 11.95 7.04 48.03 1.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7976) 03/22/26 _x86_64_ (2 CPU) 00:39:44 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 0.85 0.00 0.42 2.01 0.04 96.68 00:50:10 0 0.59 0.00 0.43 2.03 0.04 96.91 00:50:10 1 1.11 0.00 0.42 1.98 0.04 96.46 01:00:10 all 0.28 0.00 0.17 0.01 0.04 99.50 01:00:10 0 0.10 0.00 0.19 0.02 0.04 99.65 01:00:10 1 0.46 0.00 0.16 0.01 0.03 99.35 01:10:01 all 0.23 0.00 0.07 0.01 0.04 99.65 01:10:01 0 0.06 0.00 0.09 0.01 0.05 99.80 01:10:01 1 0.40 0.00 0.06 0.02 0.03 99.50 01:20:00 all 0.25 0.00 0.07 0.02 0.04 99.62 01:20:00 0 0.07 0.00 0.09 0.03 0.05 99.75 01:20:00 1 0.43 0.00 0.05 0.00 0.03 99.49 01:30:10 all 0.26 0.00 0.16 0.02 0.04 99.52 01:30:10 0 0.15 0.00 0.16 0.03 0.04 99.61 01:30:10 1 0.37 0.00 0.16 0.00 0.03 99.43 01:40:01 all 0.23 0.00 0.09 0.04 0.03 99.61 01:40:01 0 0.33 0.00 0.10 0.07 0.03 99.47 01:40:01 1 0.13 0.00 0.08 0.00 0.04 99.75 01:50:10 all 10.37 0.00 1.61 1.66 0.06 86.31 01:50:10 0 12.10 0.00 1.61 2.09 0.05 84.15 01:50:10 1 8.64 0.00 1.61 1.23 0.07 88.46 Average: all 1.80 0.00 0.37 0.54 0.04 97.24 Average: 0 1.93 0.00 0.38 0.62 0.04 97.02 Average: 1 1.66 0.00 0.36 0.47 0.04 97.47