---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27913 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 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 743 5220 4 2270 7198 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:d8:f3:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81581sec preferred_lft 81581sec inet6 fe80::f816:3eff:fed8:f30f/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-27913) 06/17/26 _x86_64_ (2 CPU) 00:42:09 LINUX RESTART (2 CPU) 00:50:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.37 0.01 1.34 0.03 0.06 17.04 465.86 01:10:36 1.15 0.00 1.13 0.02 0.00 14.24 1.13 01:20:36 1.25 0.00 1.23 0.02 0.01 15.24 1.20 01:30:01 2.03 0.27 1.71 0.05 32.87 80.42 1.71 01:40:36 1.46 0.00 1.44 0.02 1.00 17.22 1.30 01:50:23 14.80 0.44 1.54 12.82 17.34 87.85 111397.77 02:00:01 24.51 2.67 19.45 2.38 219.00 3518.21 766.05 Average: 6.53 0.47 3.90 2.16 37.48 521.10 15895.30 00:50:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6299272 7546152 274228 3.37 30716 1422048 531824 5.79 447196 1183512 268 01:10:36 6297128 7544584 275792 3.39 30924 1422412 531952 5.79 447224 1184084 200 01:20:36 6297212 7545200 275156 3.38 31120 1422748 532160 5.80 447648 1184608 148 01:30:01 6246164 7521064 298716 3.67 31520 1448860 728428 7.93 462028 1202364 240 01:40:36 6250668 7526592 293264 3.61 31760 1449632 532152 5.80 456996 1202948 156 01:50:23 6204000 7506824 312384 3.84 32272 1475604 551596 6.01 489944 1227876 648 02:00:01 5207772 7406504 360448 4.43 87152 2272020 632388 6.89 589048 2035120 160 Average: 6114602 7513846 298570 3.67 39352 1559046 577214 6.29 477155 1317216 260 00:50:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.18 0.17 0.26 0.14 0.00 0.00 0.00 0.00 01:10:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:36 ens3 0.46 0.05 1.27 0.03 0.00 0.00 0.00 0.00 01:20:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:36 ens3 0.47 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 1.05 0.70 3.41 0.72 0.00 0.00 0.00 0.00 01:40:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:36 ens3 0.42 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:23 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:23 ens3 13.33 8.36 41.67 3.10 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 101.59 73.78 293.93 15.57 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 16.49 11.57 47.42 2.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27913) 06/17/26 _x86_64_ (2 CPU) 00:42:09 LINUX RESTART (2 CPU) 00:50:38 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.33 0.00 0.16 0.01 0.02 99.47 01:00:01 0 0.50 0.00 0.16 0.01 0.02 99.31 01:00:01 1 0.17 0.00 0.17 0.01 0.02 99.64 01:10:36 all 0.26 0.00 0.07 0.01 0.02 99.65 01:10:36 0 0.45 0.00 0.06 0.01 0.01 99.47 01:10:36 1 0.06 0.00 0.09 0.01 0.02 99.82 01:20:36 all 0.26 0.00 0.07 0.01 0.02 99.64 01:20:36 0 0.15 0.00 0.08 0.01 0.02 99.74 01:20:36 1 0.37 0.00 0.07 0.01 0.02 99.54 01:30:01 all 0.40 0.00 0.18 0.01 0.02 99.39 01:30:01 0 0.50 0.00 0.17 0.02 0.01 99.30 01:30:01 1 0.30 0.00 0.18 0.01 0.02 99.48 01:40:36 all 0.21 0.00 0.07 0.01 0.02 99.69 01:40:36 0 0.36 0.00 0.04 0.01 0.01 99.57 01:40:36 1 0.06 0.00 0.10 0.01 0.02 99.81 01:50:23 all 0.64 0.00 0.14 0.04 0.02 99.17 01:50:23 0 0.47 0.00 0.16 0.06 0.02 99.29 01:50:23 1 0.81 0.00 0.12 0.02 0.01 99.05 02:00:01 all 13.90 0.00 2.13 0.49 0.05 83.43 02:00:01 0 12.43 0.00 1.95 0.59 0.05 84.99 02:00:01 1 15.37 0.00 2.32 0.39 0.05 81.87 Average: all 2.22 0.00 0.39 0.08 0.02 97.28 Average: 0 2.07 0.00 0.36 0.10 0.02 97.45 Average: 1 2.38 0.00 0.42 0.06 0.02 97.11