---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1644 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 759 5285 4 2185 7182 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:c8:ac:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81292sec preferred_lft 81292sec inet6 fe80::f816:3eff:fec8:accd/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-1644) 04/10/26 _x86_64_ (2 CPU) 01:58:21 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.92 0.34 1.55 0.02 41.31 73.43 0.85 02:20:00 1.23 0.01 1.21 0.01 0.07 14.97 0.36 02:30:01 1.31 0.00 1.30 0.01 0.00 16.57 435.24 02:40:01 1.15 0.00 1.15 0.00 0.00 14.58 0.00 02:50:01 1.31 0.00 1.31 0.00 0.00 15.68 0.00 03:00:01 1.57 0.00 1.55 0.01 0.00 19.09 653.28 03:10:00 23.05 3.03 17.81 2.21 228.56 3150.20 581.29 03:20:01 1.27 0.00 1.27 0.00 0.00 21.03 0.05 Average: 4.10 0.42 3.39 0.28 33.71 415.31 208.86 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6243904 7523372 296372 3.64 30812 1454112 527352 5.74 457288 1203912 184 02:20:00 6249548 7529528 290168 3.57 30992 1454440 527648 5.75 457512 1204420 132 02:30:01 6244780 7525288 294364 3.62 31172 1454764 527860 5.75 458256 1204924 248 02:40:01 6244780 7525780 293856 3.61 31332 1455096 528040 5.75 458656 1205408 168 02:50:01 6244780 7526288 293340 3.61 31492 1455428 528172 5.75 458656 1205904 152 03:00:01 6242172 7524308 295296 3.63 31656 1455876 528236 5.75 459144 1206392 128 03:10:00 5267116 7381816 389724 4.79 84972 2194008 635412 6.92 598756 1952276 432 03:20:01 5231548 7348276 423264 5.20 85104 2195904 658192 7.17 613320 1954304 528 Average: 5996078 7485582 322048 3.96 44692 1639954 557614 6.07 495198 1392192 246 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 2.05 0.23 3.21 0.03 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 1.19 0.11 11.10 0.07 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 1.34 0.19 0.35 0.18 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 0.86 0.25 0.34 0.71 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.56 0.11 0.15 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.44 0.11 0.16 0.09 0.00 0.00 0.00 0.00 03:10:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:00 ens3 64.26 44.23 311.48 11.51 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 13.23 10.86 107.24 1.00 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 10.49 7.01 54.23 1.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1644) 04/10/26 _x86_64_ (2 CPU) 01:58:21 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.38 0.00 0.12 0.05 0.03 99.42 02:10:01 0 0.45 0.00 0.08 0.02 0.02 99.43 02:10:01 1 0.32 0.00 0.16 0.07 0.03 99.42 02:20:00 all 0.26 0.00 0.07 0.05 0.04 99.58 02:20:00 0 0.46 0.00 0.06 0.00 0.04 99.44 02:20:00 1 0.07 0.00 0.09 0.11 0.04 99.71 02:30:01 all 0.32 0.00 0.17 0.13 0.03 99.35 02:30:01 0 0.31 0.00 0.17 0.03 0.03 99.46 02:30:01 1 0.32 0.00 0.17 0.24 0.04 99.23 02:40:01 all 0.25 0.00 0.07 0.06 0.03 99.59 02:40:01 0 0.09 0.00 0.09 0.06 0.03 99.73 02:40:01 1 0.42 0.00 0.06 0.06 0.03 99.44 02:50:01 all 0.27 0.00 0.07 0.01 0.03 99.62 02:50:01 0 0.07 0.00 0.09 0.01 0.04 99.80 02:50:01 1 0.48 0.00 0.05 0.01 0.02 99.44 03:00:01 all 0.30 0.00 0.16 0.11 0.03 99.41 03:00:01 0 0.30 0.00 0.14 0.19 0.02 99.35 03:00:01 1 0.30 0.00 0.17 0.04 0.03 99.46 03:10:00 all 11.57 0.00 1.78 2.72 0.07 83.86 03:10:00 0 11.20 0.00 1.66 2.20 0.07 84.88 03:10:00 1 11.94 0.00 1.89 3.25 0.08 82.84 03:20:01 all 0.88 0.00 0.21 0.03 0.07 98.81 03:20:01 0 1.14 0.00 0.28 0.02 0.09 98.48 03:20:01 1 0.63 0.00 0.14 0.04 0.05 99.15 Average: all 1.78 0.00 0.33 0.39 0.04 97.46 Average: 0 1.75 0.00 0.32 0.32 0.04 97.58 Average: 1 1.81 0.00 0.34 0.47 0.04 97.34