---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10976 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 753 5287 4 2189 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:15:1a:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81280sec preferred_lft 81280sec inet6 fe80::f816:3eff:fe15:1af7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10976) 05/05/26 _x86_64_ (2 CPU) 01:47:55 LINUX RESTART (2 CPU) 01:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.73 0.03 1.68 0.02 1.29 20.24 680.31 02:10:09 1.91 0.25 1.64 0.01 30.62 73.97 0.29 02:20:09 1.39 0.01 1.38 0.01 1.07 16.33 0.29 02:30:01 1.51 0.00 1.48 0.03 0.00 17.72 442.36 02:40:09 1.44 0.00 1.42 0.02 0.00 16.87 1.19 02:50:09 13.97 0.00 1.40 12.56 0.15 16.68 109127.56 03:00:01 22.86 3.05 17.57 2.24 230.94 3180.82 1222.85 03:10:09 1.40 0.00 1.39 0.01 0.00 21.75 0.38 Average: 5.76 0.41 3.48 1.86 32.81 417.17 13973.55 01:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6289640 7540640 279892 3.44 30612 1425988 534088 5.82 450520 1187348 236 02:10:09 6227132 7504752 315300 3.88 30972 1451916 736860 8.03 464988 1204872 68 02:20:09 6242932 7521376 298676 3.67 31156 1452560 534372 5.82 459800 1205376 196 02:30:01 6243804 7522820 297132 3.65 31348 1452888 534372 5.82 459856 1205908 300 02:40:09 6243580 7523152 296792 3.65 31568 1453216 534372 5.82 461884 1206456 212 02:50:09 6251168 7531456 288472 3.55 31776 1453712 534712 5.82 463164 1207000 192 03:00:01 5252604 7375560 395848 4.87 85172 2201704 643800 7.01 599432 1962836 312 03:10:09 5229776 7354760 416676 5.12 85308 2203604 668744 7.28 615732 1964868 412 Average: 5997580 7484314 323598 3.98 44739 1636948 590165 6.43 496922 1393083 241 01:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.80 0.08 0.10 0.04 0.00 0.00 0.00 0.00 02:10:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.65 0.24 3.09 0.03 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 0.23 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.27 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.35 0.10 0.11 0.06 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 0.40 0.20 0.12 0.49 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 69.09 47.71 319.16 11.69 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 11.31 9.26 105.97 0.90 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 10.33 7.18 53.44 1.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10976) 05/05/26 _x86_64_ (2 CPU) 01:47:55 LINUX RESTART (2 CPU) 01:50:24 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.22 0.00 0.18 0.01 0.03 99.56 02:00:01 0 0.21 0.00 0.19 0.01 0.03 99.57 02:00:01 1 0.24 0.00 0.16 0.01 0.03 99.55 02:10:09 all 0.35 0.00 0.10 0.02 0.03 99.50 02:10:09 0 0.42 0.00 0.12 0.03 0.03 99.40 02:10:09 1 0.28 0.00 0.09 0.00 0.04 99.59 02:20:09 all 0.24 0.00 0.08 0.01 0.03 99.64 02:20:09 0 0.31 0.00 0.08 0.01 0.03 99.57 02:20:09 1 0.17 0.00 0.08 0.01 0.03 99.71 02:30:01 all 0.28 0.00 0.17 0.02 0.03 99.51 02:30:01 0 0.30 0.00 0.17 0.02 0.03 99.48 02:30:01 1 0.26 0.00 0.16 0.01 0.03 99.54 02:40:09 all 0.28 0.00 0.07 0.01 0.02 99.62 02:40:09 0 0.39 0.00 0.07 0.01 0.02 99.51 02:40:09 1 0.16 0.00 0.08 0.00 0.03 99.73 02:50:09 all 0.26 0.00 0.08 0.03 0.03 99.60 02:50:09 0 0.47 0.00 0.08 0.05 0.02 99.37 02:50:09 1 0.06 0.00 0.08 0.01 0.03 99.82 03:00:01 all 11.05 0.00 1.81 0.58 0.07 86.48 03:00:01 0 11.54 0.00 2.07 0.69 0.08 85.62 03:00:01 1 10.57 0.00 1.56 0.48 0.05 87.34 03:10:09 all 0.88 0.00 0.19 0.01 0.07 98.85 03:10:09 0 0.76 0.00 0.16 0.01 0.05 99.03 03:10:09 1 1.01 0.00 0.23 0.01 0.08 98.67 Average: all 1.68 0.00 0.33 0.08 0.04 97.86 Average: 0 1.79 0.00 0.36 0.10 0.04 97.71 Average: 1 1.58 0.00 0.30 0.07 0.04 98.01