---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54141 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 765 5271 4 2193 7176 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:05:37:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81267sec preferred_lft 81267sec inet6 fe80::f816:3eff:fe05:37e1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54141) 03/30/26 _x86_64_ (2 CPU) 01:54:27 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:10 1.24 0.01 1.23 0.00 0.05 15.27 0.24 02:20:09 1.20 0.00 1.20 0.00 0.01 14.57 0.00 02:30:09 1.39 0.00 1.38 0.01 0.00 16.97 654.59 02:40:08 1.74 0.32 1.41 0.01 39.06 71.16 0.20 02:50:09 1.29 0.00 1.29 0.00 1.05 15.70 0.05 03:00:08 35.00 3.19 17.01 14.79 232.74 3099.94 109931.28 03:10:08 1.48 0.01 1.45 0.02 0.77 42.65 1.20 Average: 6.19 0.50 3.57 2.12 39.11 468.19 15803.89 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:10 6298644 7545856 274440 3.37 30656 1422464 520788 5.67 443116 1183232 188 02:20:09 6297972 7545664 274620 3.38 30804 1422792 520816 5.67 443172 1183708 124 02:30:09 6293064 7541296 278936 3.43 30988 1423128 520816 5.67 443148 1184220 164 02:40:08 6237560 7514368 305324 3.75 31308 1451012 726796 7.92 463472 1201368 124 02:50:09 6250956 7528712 291064 3.58 31472 1451780 521104 5.68 458136 1201860 124 03:00:08 5337068 7446368 325188 4.00 85496 2188100 576720 6.28 568604 1946292 2592 03:10:08 5279512 7394080 377548 4.64 85660 2193268 662892 7.22 620216 1951624 216 Average: 5999254 7502335 303874 3.74 46626 1650363 578562 6.30 491409 1407472 505 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 0.50 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.92 0.05 10.18 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.94 0.39 3.24 0.16 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:08 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:08 ens3 40.04 27.58 293.99 8.72 0.00 0.00 0.00 0.00 03:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:08 ens3 7.28 4.13 1.42 1.96 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.16 4.61 44.15 1.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54141) 03/30/26 _x86_64_ (2 CPU) 01:54:27 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:10 all 0.24 0.00 0.08 0.01 0.03 99.64 02:10:10 0 0.19 0.00 0.09 0.00 0.03 99.69 02:10:10 1 0.28 0.00 0.08 0.01 0.03 99.60 02:20:09 all 0.26 0.00 0.08 0.05 0.02 99.59 02:20:09 0 0.06 0.00 0.09 0.02 0.02 99.81 02:20:09 1 0.46 0.00 0.07 0.09 0.02 99.37 02:30:09 all 0.29 0.00 0.18 0.01 0.02 99.51 02:30:09 0 0.21 0.00 0.18 0.01 0.02 99.58 02:30:09 1 0.36 0.00 0.17 0.01 0.02 99.44 02:40:08 all 0.39 0.00 0.12 0.03 0.02 99.45 02:40:08 0 0.41 0.00 0.11 0.04 0.02 99.42 02:40:08 1 0.37 0.00 0.13 0.01 0.02 99.47 02:50:09 all 0.26 0.00 0.09 0.01 0.02 99.62 02:50:09 0 0.14 0.00 0.10 0.02 0.02 99.72 02:50:09 1 0.38 0.00 0.07 0.00 0.02 99.53 03:00:08 all 10.98 0.00 1.72 0.65 0.05 86.60 03:00:08 0 11.88 0.00 1.81 0.53 0.05 85.73 03:00:08 1 10.07 0.00 1.64 0.77 0.05 87.47 03:10:08 all 2.23 0.00 0.18 0.01 0.04 97.54 03:10:08 0 1.11 0.00 0.12 0.01 0.04 98.73 03:10:08 1 3.35 0.00 0.23 0.01 0.05 96.36 Average: all 2.09 0.00 0.35 0.11 0.03 97.42 Average: 0 2.00 0.00 0.36 0.09 0.03 97.53 Average: 1 2.18 0.00 0.34 0.13 0.03 97.32