---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36211 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 22% / 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 754 5188 4 2292 7187 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:8d:9c:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80730sec preferred_lft 80730sec inet6 fe80::f816:3eff:fe8d:9c9d/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-36211) 07/16/26 _x86_64_ (2 CPU) 00:40:16 LINUX RESTART (2 CPU) 00:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.37 0.01 1.34 0.02 0.05 16.65 660.42 01:10:04 1.17 0.00 1.15 0.02 0.00 14.10 1.09 01:20:04 1.73 0.25 1.45 0.03 30.99 74.64 1.27 01:30:01 1.38 0.01 1.34 0.03 1.06 16.74 439.23 01:40:10 1.21 0.00 1.19 0.02 0.00 14.44 1.18 01:50:09 1.21 0.00 1.20 0.01 0.00 14.50 0.48 02:00:01 27.22 2.90 21.92 2.40 228.91 3587.99 1025.36 02:10:09 1.40 0.00 1.39 0.01 0.00 21.17 0.12 Average: 4.54 0.39 3.84 0.31 32.22 463.76 263.24 00:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6293936 7545664 274760 3.38 30768 1426564 528504 5.76 440380 1187876 128 01:10:04 6277388 7529664 290752 3.58 30988 1426888 528632 5.76 447192 1188420 192 01:20:04 6243780 7523300 296644 3.65 31364 1453396 728300 7.93 461916 1206540 188 01:30:01 6258992 7539416 280324 3.45 31580 1454040 528696 5.76 456616 1207088 256 01:40:10 6263092 7544176 275564 3.39 31784 1454496 528952 5.76 457452 1207620 172 01:50:09 6260828 7542424 277336 3.41 31960 1454820 528956 5.76 457528 1208120 164 02:00:01 5157552 7379664 386300 4.75 87756 2293760 641840 6.99 598948 2057296 188 02:10:09 5124568 7348704 417332 5.13 87900 2295652 664672 7.24 613588 2059324 464 Average: 5985017 7494126 312376 3.84 45512 1657452 584819 6.37 491702 1415286 219 00:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.61 0.11 0.21 0.04 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.98 0.05 8.50 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.73 0.29 3.27 0.08 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 0.29 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.51 0.22 0.12 0.62 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 0.30 0.11 0.10 0.06 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 68.60 48.78 342.39 11.85 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 13.39 11.33 105.99 1.03 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 10.58 7.55 57.15 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36211) 07/16/26 _x86_64_ (2 CPU) 00:40:16 LINUX RESTART (2 CPU) 00:50:07 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.31 0.00 0.16 0.04 0.03 99.46 01:00:02 0 0.35 0.00 0.16 0.01 0.03 99.45 01:00:02 1 0.27 0.00 0.16 0.06 0.03 99.48 01:10:04 all 0.25 0.00 0.07 0.04 0.03 99.61 01:10:04 0 0.43 0.00 0.05 0.05 0.02 99.44 01:10:04 1 0.07 0.00 0.09 0.02 0.03 99.79 01:20:04 all 0.38 0.00 0.10 0.06 0.03 99.43 01:20:04 0 0.52 0.00 0.12 0.10 0.03 99.23 01:20:04 1 0.23 0.00 0.08 0.03 0.03 99.64 01:30:01 all 0.24 0.00 0.15 0.10 0.03 99.48 01:30:01 0 0.23 0.00 0.15 0.12 0.03 99.47 01:30:01 1 0.26 0.00 0.15 0.08 0.03 99.49 01:40:10 all 0.25 0.00 0.07 0.04 0.03 99.62 01:40:10 0 0.28 0.00 0.07 0.06 0.03 99.57 01:40:10 1 0.22 0.00 0.07 0.01 0.03 99.67 01:50:09 all 0.24 0.00 0.06 0.03 0.02 99.65 01:50:09 0 0.05 0.00 0.07 0.04 0.03 99.80 01:50:09 1 0.43 0.00 0.04 0.01 0.02 99.51 02:00:01 all 12.24 0.00 1.89 2.31 0.08 83.49 02:00:01 0 15.52 0.00 2.08 2.68 0.08 79.63 02:00:01 1 8.95 0.00 1.69 1.94 0.07 87.35 02:10:09 all 0.87 0.00 0.20 0.04 0.07 98.83 02:10:09 0 1.00 0.00 0.21 0.03 0.07 98.69 02:10:09 1 0.74 0.00 0.18 0.05 0.06 98.98 Average: all 1.82 0.00 0.33 0.33 0.04 97.48 Average: 0 2.27 0.00 0.36 0.38 0.04 96.95 Average: 1 1.38 0.00 0.30 0.27 0.04 98.01