---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9490 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 5298 4 2179 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:7f:eb:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80605sec preferred_lft 80605sec inet6 fe80::f816:3eff:fe7f:eb70/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9490) 04/29/26 _x86_64_ (2 CPU) 00:40:31 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.05 0.01 1.48 12.55 0.20 17.98 109822.07 01:10:02 1.32 0.00 1.31 0.02 0.00 15.45 1.09 01:20:01 1.87 0.25 1.59 0.03 31.03 74.03 1.34 01:30:01 1.50 0.00 1.47 0.03 0.00 17.94 654.11 01:40:02 1.84 0.40 1.42 0.02 15.77 48.33 1.33 01:50:01 21.83 2.63 16.96 2.24 212.58 3149.81 534.90 02:00:01 1.50 0.00 1.48 0.02 0.00 19.20 0.52 02:10:02 1.29 0.00 1.29 0.00 0.00 15.61 0.00 Average: 5.64 0.41 3.37 1.86 32.40 419.11 13876.13 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6285048 7532460 287812 3.54 30712 1422580 530388 5.78 443124 1183656 272 01:10:02 6283788 7531760 288500 3.55 30924 1422912 530616 5.78 443300 1184212 184 01:20:01 6252056 7526616 293148 3.60 31308 1448808 724620 7.89 458208 1201700 128 01:30:01 6261168 7536352 283324 3.48 31528 1449144 724620 7.89 458092 1202284 240 01:40:02 6215180 7505772 313612 3.86 31892 1463968 763284 8.31 498588 1215820 352 01:50:01 5289088 7405976 365304 4.49 85192 2195896 817824 8.91 595384 1957008 188 02:00:01 5277572 7394996 376204 4.63 85384 2196240 817840 8.91 595268 1957552 160 02:10:02 5276144 7394068 377120 4.64 85520 2196604 818864 8.92 595356 1958052 192 Average: 5892506 7478500 323128 3.97 51558 1724519 716007 7.80 510915 1482536 214 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.56 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.43 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.83 0.41 3.21 0.46 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 11.14 6.14 23.83 2.82 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.10 0.10 0.00 0.00 0.00 0.00 01:50:01 ens3 52.95 37.10 279.29 8.32 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.45 0.22 0.20 0.05 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 1.04 0.21 9.54 0.03 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 8.58 5.52 39.48 1.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9490) 04/29/26 _x86_64_ (2 CPU) 00:40:31 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.25 0.00 0.18 0.03 0.02 99.52 01:00:01 0 0.15 0.00 0.19 0.03 0.02 99.60 01:00:01 1 0.36 0.00 0.16 0.02 0.02 99.44 01:10:02 all 0.23 0.00 0.07 0.01 0.02 99.67 01:10:02 0 0.05 0.00 0.10 0.01 0.02 99.82 01:10:02 1 0.41 0.00 0.05 0.01 0.02 99.51 01:20:01 all 0.37 0.00 0.10 0.03 0.02 99.48 01:20:01 0 0.29 0.00 0.12 0.04 0.02 99.53 01:20:01 1 0.44 0.00 0.08 0.02 0.02 99.44 01:30:01 all 0.25 0.00 0.17 0.01 0.02 99.55 01:30:01 0 0.43 0.00 0.14 0.02 0.01 99.40 01:30:01 1 0.07 0.00 0.19 0.01 0.03 99.71 01:40:02 all 0.49 0.00 0.10 0.01 0.02 99.38 01:40:02 0 0.36 0.00 0.11 0.01 0.03 99.49 01:40:02 1 0.62 0.00 0.09 0.02 0.02 99.26 01:50:01 all 10.60 0.00 1.65 0.64 0.05 87.05 01:50:01 0 8.05 0.00 1.41 0.61 0.04 89.88 01:50:01 1 13.16 0.00 1.89 0.67 0.06 84.22 02:00:01 all 0.40 0.00 0.24 0.02 0.04 99.31 02:00:01 0 0.40 0.00 0.21 0.02 0.03 99.35 02:00:01 1 0.40 0.00 0.26 0.02 0.05 99.28 02:10:02 all 0.37 0.00 0.13 0.01 0.04 99.45 02:10:02 0 0.38 0.00 0.10 0.01 0.03 99.47 02:10:02 1 0.36 0.00 0.17 0.00 0.05 99.43 Average: all 1.62 0.00 0.33 0.09 0.03 97.93 Average: 0 1.26 0.00 0.30 0.09 0.03 98.32 Average: 1 1.97 0.00 0.36 0.10 0.03 97.54