---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37918 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 765 5186 4 2282 7176 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:26:bd:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80418sec preferred_lft 80418sec inet6 fe80::f816:3eff:fe26:bda4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37918) 07/23/26 _x86_64_ (2 CPU) 01:48:14 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.06 0.28 1.76 0.02 32.21 79.33 654.08 02:10:00 1.20 0.01 1.17 0.02 1.11 14.79 0.89 02:20:01 1.35 0.00 1.33 0.02 0.01 16.97 218.93 02:30:01 1.40 0.00 1.37 0.04 0.00 17.49 219.19 02:40:00 1.16 0.00 1.14 0.02 0.00 14.54 1.10 02:50:00 13.80 0.00 1.24 12.55 0.15 15.55 109018.64 03:00:01 25.71 2.85 20.52 2.33 225.53 3483.50 465.45 03:10:01 1.18 0.00 1.18 0.00 0.00 14.95 0.00 03:20:01 1.17 0.00 1.17 0.00 0.00 14.75 0.00 Average: 5.45 0.35 3.43 1.67 28.80 408.27 12297.83 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6242388 7515188 304736 3.75 30784 1447312 729044 7.94 457884 1201076 128 02:10:00 6242388 7516036 303868 3.74 30992 1447952 528968 5.76 452748 1201608 164 02:20:01 6251836 7526076 293784 3.61 31232 1448280 528968 5.76 452800 1202180 124 02:30:01 6248820 7523616 296236 3.64 31444 1448600 528960 5.76 452944 1202712 236 02:40:00 6256380 7531708 288092 3.54 31632 1448936 529024 5.76 453180 1203236 124 02:50:00 6263968 7539992 279720 3.44 31824 1449432 529152 5.76 454144 1203768 120 03:00:01 5177612 7394512 371572 4.57 87580 2288748 648052 7.06 609632 2053280 160 03:10:01 5175628 7393012 373100 4.59 87720 2289100 648052 7.06 609744 2053764 152 03:20:01 5177200 7395060 371060 4.56 87836 2289452 648056 7.06 609684 2054240 136 Average: 5892913 7481689 320241 3.94 50116 1728646 590920 6.44 505862 1486207 149 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 2.34 0.43 3.44 0.06 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.37 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.65 0.03 6.79 0.01 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 0.16 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.27 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.39 0.16 0.11 0.40 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 68.46 46.34 325.70 11.35 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 2.49 0.15 0.22 0.03 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 1.82 0.25 0.14 0.03 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.56 5.28 37.42 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37918) 07/23/26 _x86_64_ (2 CPU) 01:48:14 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.43 0.00 0.19 0.03 0.04 99.31 02:00:01 0 0.45 0.00 0.22 0.02 0.04 99.27 02:00:01 1 0.42 0.00 0.17 0.03 0.04 99.34 02:10:00 all 0.28 0.00 0.07 0.02 0.04 99.60 02:10:00 0 0.30 0.00 0.07 0.01 0.04 99.59 02:10:00 1 0.25 0.00 0.08 0.02 0.04 99.61 02:20:01 all 0.28 0.00 0.08 0.01 0.04 99.59 02:20:01 0 0.50 0.00 0.05 0.02 0.02 99.42 02:20:01 1 0.07 0.00 0.12 0.01 0.05 99.76 02:30:01 all 0.26 0.00 0.17 0.07 0.03 99.47 02:30:01 0 0.25 0.00 0.17 0.01 0.03 99.55 02:30:01 1 0.28 0.00 0.17 0.13 0.03 99.39 02:40:00 all 0.26 0.00 0.07 0.02 0.03 99.62 02:40:00 0 0.04 0.00 0.07 0.00 0.04 99.85 02:40:00 1 0.47 0.00 0.06 0.04 0.02 99.40 02:50:00 all 0.24 0.00 0.09 0.44 0.03 99.21 02:50:00 0 0.09 0.00 0.10 0.29 0.03 99.50 02:50:00 1 0.40 0.00 0.07 0.59 0.02 98.92 03:00:01 all 12.08 0.00 1.88 0.93 0.06 85.05 03:00:01 0 14.73 0.00 2.09 0.91 0.07 82.20 03:00:01 1 9.43 0.00 1.66 0.95 0.05 87.90 03:10:01 all 0.41 0.00 0.13 0.03 0.05 99.38 03:10:01 0 0.47 0.00 0.13 0.00 0.05 99.36 03:10:01 1 0.35 0.00 0.14 0.06 0.06 99.40 03:20:01 all 0.37 0.00 0.13 0.01 0.05 99.44 03:20:01 0 0.44 0.00 0.08 0.00 0.03 99.44 03:20:01 1 0.30 0.00 0.18 0.01 0.07 99.44 Average: all 1.62 0.00 0.31 0.17 0.04 97.86 Average: 0 1.91 0.00 0.33 0.14 0.04 97.58 Average: 1 1.33 0.00 0.29 0.20 0.04 98.13