---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30958 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 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 766 5181 4 2287 7175 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:7b:49:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81725sec preferred_lft 81725sec inet6 fe80::f816:3eff:fe7b:498d/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-30958) 06/27/26 _x86_64_ (2 CPU) 00:42:44 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 2.02 0.26 1.73 0.03 31.03 77.69 654.33 01:10:01 1.40 0.01 1.38 0.02 1.06 16.33 1.26 01:20:05 1.33 0.00 1.32 0.01 0.01 15.72 0.48 01:30:05 14.17 0.00 1.59 12.58 0.15 19.77 109556.73 01:40:01 1.38 0.00 1.38 0.01 0.00 16.42 219.16 01:50:05 27.01 2.97 21.63 2.41 225.04 3911.11 1790.98 02:00:05 6.71 0.09 4.93 1.70 6.59 346.97 2502.51 Average: 7.74 0.48 4.87 2.39 37.90 632.65 16390.54 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6249956 7528484 291616 3.59 30912 1452880 728844 7.94 465620 1205088 216 01:10:01 6249400 7528780 291336 3.58 31100 1453536 530708 5.78 460384 1205620 160 01:20:05 6248644 7528548 291512 3.58 31288 1453872 530936 5.78 460940 1206136 276 01:30:05 6250188 7530868 288924 3.55 31520 1454364 586024 6.38 466256 1206708 220 01:40:01 6257536 7538716 281140 3.46 31692 1454692 532564 5.80 461492 1207212 276 01:50:05 5252348 7456876 310212 3.81 86868 2277764 563156 6.13 552076 2040032 240 02:00:05 5335324 7387080 388808 4.78 89708 2130096 614448 6.69 608736 1893652 39840 Average: 5977628 7499907 306221 3.77 47584 1668172 583811 6.36 496501 1423493 5890 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 1.12 0.28 3.24 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.36 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.99 0.12 1.08 0.10 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.34 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.62 0.28 0.18 0.62 0.00 0.00 0.00 0.00 01:50:05 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 01:50:05 ens3 83.96 58.62 319.03 14.51 0.00 0.00 0.00 0.00 02:00:05 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 02:00:05 ens3 23.90 18.03 15.37 6.46 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.97 11.12 48.73 3.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30958) 06/27/26 _x86_64_ (2 CPU) 00:42:44 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.38 0.00 0.20 0.03 0.02 99.38 01:00:05 0 0.35 0.00 0.17 0.01 0.02 99.45 01:00:05 1 0.41 0.00 0.22 0.04 0.02 99.31 01:10:01 all 0.25 0.00 0.08 0.02 0.02 99.63 01:10:01 0 0.25 0.00 0.07 0.01 0.02 99.65 01:10:01 1 0.25 0.00 0.08 0.03 0.02 99.62 01:20:05 all 0.28 0.00 0.07 0.02 0.02 99.62 01:20:05 0 0.06 0.00 0.09 0.00 0.02 99.82 01:20:05 1 0.50 0.00 0.04 0.03 0.02 99.41 01:30:05 all 0.29 0.00 0.18 0.06 0.02 99.45 01:30:05 0 0.19 0.00 0.19 0.06 0.02 99.54 01:30:05 1 0.39 0.00 0.17 0.06 0.02 99.37 01:40:01 all 0.28 0.00 0.07 1.78 0.02 97.85 01:40:01 0 0.44 0.00 0.05 2.15 0.01 97.35 01:40:01 1 0.13 0.00 0.09 1.41 0.03 98.35 01:50:05 all 12.67 0.00 1.87 16.67 0.05 68.74 01:50:05 0 12.62 0.00 1.76 16.80 0.05 68.78 01:50:05 1 12.72 0.00 1.98 16.53 0.05 68.71 02:00:05 all 9.87 0.00 1.10 5.29 0.06 83.68 02:00:05 0 10.16 0.00 1.16 4.59 0.06 84.03 02:00:05 1 9.57 0.00 1.04 6.00 0.06 83.33 Average: all 3.44 0.00 0.51 3.42 0.03 92.61 Average: 0 3.44 0.00 0.50 3.39 0.03 92.64 Average: 1 3.43 0.00 0.52 3.45 0.03 92.57