---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16943 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 818 5170 4 2241 7123 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:31:78:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80770sec preferred_lft 80770sec inet6 fe80::f816:3eff:fe31:7889/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16943) 05/20/26 _x86_64_ (2 CPU) 00:29:50 LINUX RESTART (2 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:18 5.69 3.20 2.45 0.04 378.43 516.83 213.31 00:50:18 13.93 0.01 1.38 12.54 0.20 16.00 109181.66 01:00:18 1.59 0.00 1.56 0.03 0.00 18.37 437.36 01:10:18 1.34 0.00 1.32 0.02 0.00 15.48 1.20 01:20:08 1.39 0.00 1.38 0.02 0.01 16.28 1.22 01:30:15 2.51 0.66 1.82 0.04 46.44 107.25 432.18 01:40:18 23.73 2.77 18.75 2.22 215.99 3133.55 729.06 01:50:18 1.31 0.00 1.31 0.00 0.00 44.35 0.03 02:00:01 1.53 0.00 1.51 0.02 0.36 68.27 0.56 Average: 5.92 0.75 3.51 1.66 72.63 440.57 12334.83 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:18 6286960 7533004 287248 3.53 30488 1421484 525484 5.72 441036 1183072 136 00:50:18 6286204 7532816 287364 3.53 30676 1421860 525552 5.72 441164 1183608 188 01:00:18 6283952 7531108 289084 3.55 30892 1422184 525764 5.73 441228 1184144 152 01:10:18 6283952 7531652 288564 3.55 31100 1422508 525760 5.73 441312 1184680 196 01:20:08 6283452 7531704 288500 3.55 31316 1422836 525824 5.73 441872 1185224 176 01:30:15 6221412 7511124 308228 3.79 31860 1463312 739956 8.06 485968 1215824 228 01:40:18 5271896 7393400 377628 4.64 85912 2199700 834960 9.09 607684 1961908 248 01:50:18 5244456 7374796 396244 4.87 86048 2208408 852576 9.29 625424 1970744 488 02:00:01 5196416 7341080 429796 5.28 86200 2222548 890480 9.70 654420 1984932 232 Average: 5928744 7475632 328073 4.03 49388 1689427 660706 7.20 508901 1450460 227 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:18 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:40:18 ens3 12.14 6.03 34.54 1.75 0.00 0.00 0.00 0.00 00:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:18 ens3 0.53 0.10 0.11 0.06 0.00 0.00 0.00 0.00 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.24 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 0.37 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.44 0.10 0.13 0.08 0.00 0.00 0.00 0.00 01:30:15 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 10.73 4.92 23.00 3.19 0.00 0.00 0.00 0.00 01:40:18 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:40:18 ens3 36.08 25.46 279.68 5.65 0.00 0.00 0.00 0.00 01:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:18 ens3 9.80 6.90 1.63 1.72 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 15.55 13.80 2.80 5.63 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 9.56 6.38 38.28 2.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16943) 05/20/26 _x86_64_ (2 CPU) 00:29:50 LINUX RESTART (2 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:18 all 0.79 0.00 0.34 0.48 0.04 98.34 00:40:18 0 1.02 0.00 0.40 0.66 0.04 97.88 00:40:18 1 0.56 0.00 0.29 0.30 0.04 98.81 00:50:18 all 0.25 0.00 0.08 0.03 0.04 99.59 00:50:18 0 0.25 0.00 0.08 0.01 0.04 99.62 00:50:18 1 0.25 0.00 0.09 0.06 0.04 99.56 01:00:18 all 0.24 0.00 0.15 0.15 0.04 99.42 01:00:18 0 0.17 0.00 0.17 0.29 0.04 99.34 01:00:18 1 0.32 0.00 0.14 0.01 0.04 99.49 01:10:18 all 0.21 0.00 0.07 0.01 0.04 99.67 01:10:18 0 0.33 0.00 0.06 0.01 0.03 99.56 01:10:18 1 0.09 0.00 0.08 0.01 0.04 99.78 01:20:08 all 0.26 0.00 0.08 0.15 0.03 99.48 01:20:08 0 0.46 0.00 0.05 0.25 0.02 99.22 01:20:08 1 0.06 0.00 0.10 0.05 0.04 99.75 01:30:15 all 0.67 0.00 0.21 0.07 0.03 99.00 01:30:15 0 0.71 0.00 0.23 0.09 0.03 98.93 01:30:15 1 0.64 0.00 0.19 0.06 0.03 99.08 01:40:18 all 11.11 0.00 1.66 2.37 0.05 84.81 01:40:18 0 8.18 0.00 1.41 2.07 0.05 88.29 01:40:18 1 14.04 0.00 1.91 2.67 0.05 81.33 01:50:18 all 3.56 0.00 0.28 0.05 0.05 96.06 01:50:18 0 4.23 0.00 0.33 0.01 0.05 95.38 01:50:18 1 2.89 0.00 0.24 0.09 0.05 96.73 02:00:01 all 5.54 0.00 0.66 0.02 0.06 93.72 02:00:01 0 5.24 0.00 0.54 0.03 0.06 94.13 02:00:01 1 5.85 0.00 0.77 0.01 0.06 93.31 Average: all 2.50 0.00 0.39 0.37 0.04 96.69 Average: 0 2.28 0.00 0.36 0.38 0.04 96.94 Average: 1 2.73 0.00 0.42 0.36 0.04 96.44