---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34435 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 8.0G 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 787 5166 4 2279 7154 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:72:14:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82049sec preferred_lft 82049sec inet6 fe80::f816:3eff:fe72:14c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34435) 07/10/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.42 0.02 1.39 0.00 1.24 16.09 0.12 02:20:25 1.38 0.01 1.37 0.00 0.06 15.93 0.12 02:30:01 1.52 0.00 1.51 0.01 0.00 18.07 681.31 02:40:01 1.30 0.00 1.30 0.00 0.00 14.88 0.00 02:50:25 13.49 0.00 1.43 12.05 0.14 16.74 105002.74 03:00:01 2.04 0.27 1.75 0.03 33.34 80.71 453.90 03:10:01 27.51 2.95 21.03 3.53 231.54 3744.87 2466.84 Average: 7.02 0.46 4.25 2.30 37.87 557.94 16105.16 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6293852 7545284 274980 3.38 30584 1426456 529912 5.77 438660 1187288 124 02:20:25 6301188 7553176 267072 3.28 30776 1426820 530048 5.77 438856 1187836 152 02:30:01 6283296 7535772 284552 3.50 30952 1427112 530068 5.77 446748 1188312 124 02:40:01 6282876 7535848 284480 3.50 31112 1427440 530132 5.77 447004 1188800 124 02:50:25 6279836 7533404 286852 3.53 31288 1427844 534324 5.82 450272 1189352 128 03:00:01 6241528 7522728 296972 3.65 31644 1454732 532884 5.80 459048 1207392 240 03:10:01 5332376 7362060 414452 5.10 89132 2109328 671320 7.31 655332 1872400 13876 Average: 6144993 7512610 301337 3.71 39355 1528533 551241 6.00 476560 1288769 2110 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 1.93 0.04 0.20 0.01 0.00 0.00 0.00 0.00 02:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:25 ens3 0.42 0.03 0.04 0.01 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 0.58 0.08 8.15 0.02 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.53 0.08 1.17 0.05 0.00 0.00 0.00 0.00 02:50:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:25 ens3 0.42 0.11 0.16 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.76 0.46 3.42 0.65 0.00 0.00 0.00 0.00 03:10:01 lo 1.35 1.35 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 127.27 103.50 362.07 33.90 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 18.85 14.90 53.55 4.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34435) 07/10/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.27 0.00 0.08 0.01 0.02 99.62 02:10:01 0 0.12 0.00 0.08 0.01 0.02 99.77 02:10:01 1 0.41 0.00 0.08 0.01 0.02 99.47 02:20:25 all 0.23 0.00 0.08 0.01 0.02 99.66 02:20:25 0 0.05 0.00 0.10 0.01 0.02 99.82 02:20:25 1 0.41 0.00 0.07 0.02 0.02 99.49 02:30:01 all 0.29 0.00 0.18 0.01 0.02 99.51 02:30:01 0 0.38 0.00 0.18 0.01 0.01 99.42 02:30:01 1 0.19 0.00 0.17 0.01 0.02 99.60 02:40:01 all 0.28 0.00 0.08 0.01 0.02 99.62 02:40:01 0 0.07 0.00 0.10 0.01 0.02 99.80 02:40:01 1 0.49 0.00 0.05 0.01 0.01 99.43 02:50:25 all 0.30 0.00 0.10 0.06 0.02 99.53 02:50:25 0 0.32 0.00 0.08 0.03 0.02 99.56 02:50:25 1 0.28 0.00 0.11 0.09 0.02 99.50 03:00:01 all 0.43 0.00 0.20 0.02 0.02 99.33 03:00:01 0 0.48 0.00 0.17 0.00 0.01 99.34 03:00:01 1 0.38 0.00 0.23 0.04 0.02 99.33 03:10:01 all 21.67 0.00 2.36 0.62 0.08 75.28 03:10:01 0 26.02 0.00 2.37 0.54 0.08 70.99 03:10:01 1 17.33 0.00 2.35 0.69 0.07 79.56 Average: all 3.34 0.00 0.44 0.11 0.03 96.09 Average: 0 3.90 0.00 0.44 0.09 0.03 95.55 Average: 1 2.78 0.00 0.43 0.12 0.03 96.63