---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31504 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 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 779 5129 4 2332 7162 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:30:14:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81406sec preferred_lft 81406sec inet6 fe80::f816:3eff:fe30:14db/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-31504) 06/29/26 _x86_64_ (2 CPU) 02:19:26 LINUX RESTART (2 CPU) 02:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 2.24 0.29 1.92 0.04 32.54 88.58 655.20 02:40:12 13.65 0.01 1.32 12.32 0.20 15.81 107207.97 02:50:12 1.22 0.00 1.20 0.02 0.00 14.69 1.20 03:00:01 1.42 0.00 1.39 0.03 0.00 17.71 667.40 03:10:12 1.29 0.00 1.27 0.02 0.00 15.08 1.07 03:20:14 1.29 0.00 1.27 0.02 0.01 15.20 1.09 03:30:01 15.99 13.83 2.07 0.08 154.41 46.23 7.90 03:40:14 28.92 2.97 22.94 3.01 223.26 4101.32 6202.96 Average: 8.30 2.10 4.22 1.97 51.38 549.25 14562.21 02:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 6243256 7516540 303212 3.73 30720 1447860 742232 8.08 465908 1200544 160 02:40:12 6251544 7525424 294348 3.62 30908 1448240 742296 8.09 466084 1201092 140 02:50:12 6249848 7524280 295488 3.63 31132 1448560 742348 8.09 466372 1201636 188 03:00:01 6243828 7518836 300848 3.70 31352 1448896 742520 8.09 466532 1202192 140 03:10:12 6243828 7519372 300328 3.69 31556 1449224 742520 8.09 466760 1202724 132 03:20:14 6243828 7520048 299644 3.68 31764 1449676 744188 8.11 468096 1203256 140 03:30:01 6188924 7522304 288208 3.54 35956 1494300 769896 8.39 471704 1251464 244 03:40:14 5178504 7296744 470212 5.78 91860 2186508 932032 10.15 705720 1953868 53884 Average: 6105445 7492944 319036 3.92 39406 1546658 769754 8.38 497147 1302097 6878 02:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 2.96 0.64 3.69 0.12 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 0.68 0.08 0.10 0.04 0.00 0.00 0.00 0.00 02:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 1.14 0.09 7.45 0.04 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 0.58 0.08 0.69 0.06 0.00 0.00 0.00 0.00 03:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:12 ens3 0.25 0.05 0.04 0.01 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 0.25 0.05 0.05 0.01 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.53 0.27 0.14 0.53 0.00 0.00 0.00 0.00 03:40:14 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:40:14 ens3 76.56 51.64 319.03 14.01 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 10.56 6.74 42.18 1.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31504) 06/29/26 _x86_64_ (2 CPU) 02:19:26 LINUX RESTART (2 CPU) 02:20:02 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.56 0.00 0.33 0.18 0.02 98.91 02:30:01 0 0.57 0.00 0.31 0.25 0.03 98.85 02:30:01 1 0.56 0.00 0.34 0.10 0.02 98.97 02:40:12 all 0.30 0.00 0.10 0.04 0.02 99.54 02:40:12 0 0.22 0.00 0.10 0.06 0.02 99.59 02:40:12 1 0.38 0.00 0.10 0.01 0.02 99.49 02:50:12 all 0.27 0.00 0.09 0.02 0.02 99.61 02:50:12 0 0.20 0.00 0.09 0.01 0.03 99.68 02:50:12 1 0.34 0.00 0.08 0.03 0.02 99.53 03:00:01 all 0.32 0.00 0.18 0.05 0.03 99.42 03:00:01 0 0.23 0.00 0.17 0.02 0.03 99.56 03:00:01 1 0.41 0.00 0.19 0.08 0.04 99.27 03:10:12 all 0.26 0.00 0.08 0.01 0.03 99.62 03:10:12 0 0.42 0.00 0.07 0.00 0.02 99.49 03:10:12 1 0.11 0.00 0.08 0.03 0.03 99.75 03:20:14 all 0.23 0.00 0.08 0.04 0.03 99.61 03:20:14 0 0.30 0.00 0.08 0.00 0.03 99.59 03:20:14 1 0.17 0.00 0.09 0.08 0.03 99.63 03:30:01 all 0.29 0.19 0.24 0.19 0.03 99.05 03:30:01 0 0.36 0.01 0.17 0.02 0.02 99.41 03:30:01 1 0.22 0.38 0.32 0.35 0.03 98.69 03:40:14 all 14.15 0.00 2.02 2.98 0.06 80.79 03:40:14 0 15.49 0.00 2.10 1.90 0.06 80.45 03:40:14 1 12.81 0.00 1.93 4.06 0.06 81.13 Average: all 2.08 0.02 0.39 0.44 0.03 97.03 Average: 0 2.26 0.00 0.39 0.29 0.03 97.03 Average: 1 1.90 0.05 0.40 0.60 0.03 97.02