---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1342 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 8.2G 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 811 4931 4 2500 7130 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:1e:6a:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79459sec preferred_lft 79459sec inet6 fe80::f816:3eff:fe1e:6a29/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1342) 08/02/26 _x86_64_ (2 CPU) 00:11:18 LINUX RESTART (2 CPU) 00:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:09 1.47 0.01 1.42 0.03 0.05 21.54 1.16 00:40:09 2.12 0.26 1.79 0.08 32.00 82.31 1.23 00:50:04 1.31 0.00 1.30 0.02 0.00 19.29 0.24 01:00:09 1.52 0.00 1.50 0.02 0.00 22.00 0.22 01:10:10 1.31 0.00 1.31 0.00 0.00 20.59 0.00 01:20:09 1.21 0.00 1.21 0.00 0.00 20.49 0.00 01:30:09 1.50 0.00 1.48 0.02 0.00 23.61 0.23 01:40:09 15.07 0.00 1.56 13.51 0.15 22.81 106431.53 01:50:08 1.35 0.00 1.35 0.00 0.00 19.94 0.00 02:00:09 1.63 0.00 1.61 0.02 0.00 23.47 0.23 Average: 2.85 0.03 1.45 1.37 3.22 27.61 10642.35 00:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:09 5188476 7373432 393084 4.83 87236 2257800 608984 6.63 594268 2030308 240 00:40:09 5158308 7371352 395020 4.86 87576 2285452 610460 6.65 604892 2049232 124 00:50:04 5156040 7370472 395900 4.87 87716 2286700 611492 6.66 605676 2050620 188 01:00:09 5153120 7369016 397340 4.89 87856 2288000 611492 6.66 605572 2052060 160 01:10:10 5152616 7370480 395884 4.87 87976 2289848 611492 6.66 605880 2053900 124 01:20:09 5159452 7379256 387092 4.76 88128 2291648 612516 6.67 606936 2055840 312 01:30:09 5154672 7376560 389784 4.79 88252 2293580 612508 6.67 606980 2057908 132 01:40:09 5149632 7372956 393376 4.84 88372 2294896 612708 6.67 607296 2059316 124 01:50:08 5149632 7374448 391888 4.82 88496 2296264 612844 6.68 607220 2060808 148 02:00:09 5139552 7365908 400388 4.92 88660 2297624 613784 6.69 611652 2062204 120 Average: 5156150 7372388 393976 4.84 88027 2288181 611828 6.66 605637 2053220 167 00:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 0.89 0.24 0.14 0.09 0.00 0.00 0.00 0.00 00:40:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:40:09 ens3 3.53 0.62 3.94 0.35 0.00 0.00 0.00 0.00 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 1.01 0.12 0.15 0.07 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.63 0.16 0.12 0.06 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 0.43 0.18 0.10 0.06 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.61 0.16 0.18 0.10 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.40 0.13 0.10 0.06 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.45 0.13 0.15 0.09 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 0.48 0.25 0.11 0.08 0.00 0.00 0.00 0.00 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 0.58 0.38 0.10 1.35 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.90 0.24 0.51 0.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1342) 08/02/26 _x86_64_ (2 CPU) 00:11:18 LINUX RESTART (2 CPU) 00:20:08 CPU %user %nice %system %iowait %steal %idle 00:30:09 all 0.67 0.00 0.23 0.01 0.06 99.04 00:30:09 0 0.62 0.00 0.26 0.01 0.06 99.04 00:30:09 1 0.71 0.00 0.20 0.01 0.06 99.03 00:40:09 all 0.69 0.00 0.15 0.03 0.06 99.07 00:40:09 0 0.77 0.00 0.20 0.04 0.08 98.91 00:40:09 1 0.61 0.00 0.10 0.01 0.04 99.23 00:50:04 all 0.64 0.00 0.12 0.01 0.06 99.17 00:50:04 0 0.64 0.00 0.13 0.01 0.06 99.17 00:50:04 1 0.65 0.00 0.11 0.01 0.06 99.18 01:00:09 all 0.66 0.00 0.21 0.01 0.05 99.07 01:00:09 0 0.55 0.00 0.22 0.01 0.05 99.16 01:00:09 1 0.76 0.00 0.21 0.01 0.05 98.97 01:10:10 all 0.65 0.00 0.13 0.05 0.06 99.11 01:10:10 0 0.76 0.00 0.14 0.04 0.07 98.99 01:10:10 1 0.55 0.00 0.11 0.07 0.04 99.23 01:20:09 all 0.69 0.00 0.12 0.02 0.05 99.13 01:20:09 0 0.62 0.00 0.11 0.01 0.04 99.23 01:20:09 1 0.75 0.00 0.13 0.03 0.06 99.03 01:30:09 all 0.72 0.00 0.21 0.01 0.06 99.00 01:30:09 0 0.65 0.00 0.21 0.01 0.07 99.06 01:30:09 1 0.78 0.00 0.20 0.01 0.06 98.95 01:40:09 all 0.64 0.00 0.14 0.03 0.07 99.12 01:40:09 0 0.75 0.00 0.18 0.04 0.09 98.92 01:40:09 1 0.52 0.00 0.10 0.02 0.04 99.32 01:50:08 all 0.67 0.00 0.12 0.01 0.07 99.14 01:50:08 0 0.80 0.00 0.15 0.00 0.09 98.96 01:50:08 1 0.53 0.00 0.09 0.01 0.05 99.32 02:00:09 all 0.45 0.00 0.22 0.01 0.06 99.26 02:00:09 0 0.66 0.00 0.23 0.01 0.08 99.03 02:00:09 1 0.24 0.00 0.21 0.02 0.05 99.49 Average: all 0.65 0.00 0.16 0.02 0.06 99.11 Average: 0 0.68 0.00 0.18 0.02 0.07 99.05 Average: 1 0.61 0.00 0.15 0.02 0.05 99.18