---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53670 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 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 753 5293 4 2183 7188 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:56:af:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81333sec preferred_lft 81333sec inet6 fe80::f816:3eff:fe56:af25/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53670) 03/28/26 _x86_64_ (2 CPU) 01:54:02 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.43 0.01 1.41 0.01 1.11 16.93 0.29 02:20:31 1.36 0.00 1.34 0.02 0.01 16.39 1.14 02:30:00 1.47 0.00 1.44 0.03 0.00 17.49 1.45 02:40:21 1.37 0.00 1.36 0.02 0.00 16.26 1.16 02:50:41 1.46 0.00 1.44 0.02 0.00 17.32 1.20 03:00:01 24.08 3.23 18.46 2.39 243.72 3342.33 552.39 03:10:31 14.54 0.01 1.73 12.80 0.69 36.53 101717.11 Average: 6.38 0.43 3.71 2.24 32.56 460.53 15223.36 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6257172 7536684 283464 3.49 30908 1453884 528560 5.76 453968 1204004 212 02:20:31 6256920 7537020 283120 3.48 31140 1454232 528632 5.76 453988 1204584 124 02:30:00 6265272 7545912 274144 3.37 31332 1454544 528740 5.76 454348 1205088 152 02:40:21 6264796 7545992 274052 3.37 31524 1454908 528740 5.76 451952 1205636 148 02:50:41 6263788 7545660 274360 3.37 31760 1455360 611100 6.66 460324 1206188 184 03:00:01 5336760 7448472 323292 3.98 85024 2190756 593088 6.46 567152 1949308 2348 03:10:31 5229416 7343640 428024 5.26 85168 2193208 741848 8.08 631672 1951872 196 Average: 5982018 7500483 305779 3.76 46694 1665270 580101 6.32 496201 1418097 481 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.47 0.05 0.06 0.02 0.00 0.00 0.00 0.00 02:20:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:31 ens3 0.58 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.26 0.07 0.07 0.04 0.00 0.00 0.00 0.00 02:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 0.34 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:41 ens3 0.42 0.22 0.11 0.52 0.00 0.00 0.00 0.00 03:00:01 lo 1.32 1.32 0.09 0.09 0.00 0.00 0.00 0.00 03:00:01 ens3 63.72 44.11 318.27 11.61 0.00 0.00 0.00 0.00 03:10:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:31 ens3 12.50 8.33 35.71 1.24 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 10.61 7.15 47.56 1.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53670) 03/28/26 _x86_64_ (2 CPU) 01:54:02 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.08 0.08 0.04 99.52 02:10:01 0 0.50 0.00 0.06 0.14 0.03 99.26 02:10:01 1 0.07 0.00 0.10 0.01 0.05 99.78 02:20:31 all 0.29 0.00 0.07 0.05 0.04 99.56 02:20:31 0 0.39 0.00 0.05 0.04 0.03 99.49 02:20:31 1 0.18 0.00 0.08 0.07 0.05 99.62 02:30:00 all 0.27 0.00 0.16 0.04 0.04 99.49 02:30:00 0 0.27 0.00 0.16 0.01 0.03 99.53 02:30:00 1 0.27 0.00 0.17 0.07 0.04 99.45 02:40:21 all 0.29 0.00 0.07 0.07 0.04 99.53 02:40:21 0 0.27 0.00 0.07 0.03 0.03 99.60 02:40:21 1 0.30 0.00 0.08 0.11 0.04 99.46 02:50:41 all 0.24 0.00 0.08 0.02 0.03 99.63 02:50:41 0 0.28 0.00 0.07 0.02 0.03 99.60 02:50:41 1 0.20 0.00 0.09 0.01 0.04 99.66 03:00:01 all 11.65 0.00 1.89 0.65 0.05 85.76 03:00:01 0 15.39 0.00 2.22 0.95 0.05 81.38 03:00:01 1 7.91 0.00 1.56 0.36 0.05 90.13 03:10:31 all 1.08 0.00 0.24 0.08 0.05 98.54 03:10:31 0 0.93 0.00 0.22 0.05 0.05 98.76 03:10:31 1 1.24 0.00 0.26 0.12 0.06 98.32 Average: all 1.90 0.00 0.35 0.14 0.04 97.57 Average: 0 2.42 0.00 0.39 0.17 0.04 96.99 Average: 1 1.38 0.00 0.32 0.10 0.05 98.15