---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25241 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 753 5207 4 2272 7187 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:73:67:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81863sec preferred_lft 81863sec inet6 fe80::f816:3eff:fe73:6746/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25241) 06/06/26 _x86_64_ (2 CPU) 00:43:16 LINUX RESTART (2 CPU) 00:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 2.09 0.26 1.80 0.03 31.03 77.20 654.19 01:10:01 1.31 0.00 1.29 0.02 0.00 15.35 1.24 01:20:18 13.65 0.00 1.44 12.21 0.16 17.12 106074.33 01:30:38 1.46 0.00 1.43 0.03 0.00 17.83 633.30 01:40:01 1.29 0.00 1.28 0.02 0.00 15.72 1.15 01:50:12 1.83 0.39 1.42 0.01 15.56 47.95 0.83 Average: 3.67 0.11 1.44 2.11 7.85 32.00 18443.25 00:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 6244240 7517460 302728 3.72 30888 1447880 724100 7.89 458120 1200572 204 01:10:01 6251380 7525120 295060 3.63 31080 1448184 724100 7.89 458200 1201092 148 01:20:18 6251156 7525508 294548 3.62 31292 1448600 724332 7.89 458892 1201656 228 01:30:38 6246624 7521572 298436 3.67 31504 1448920 724464 7.89 458952 1202224 128 01:40:01 6246384 7521944 298056 3.66 31684 1449344 724464 7.89 459240 1202700 240 01:50:12 6212644 7503284 316360 3.89 32036 1464012 744312 8.11 492872 1216192 256 Average: 6242071 7519148 300865 3.70 31414 1451157 727629 7.93 464379 1204073 201 00:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.82 0.24 3.18 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 0.70 0.05 3.30 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.75 0.15 0.38 0.12 0.00 0.00 0.00 0.00 01:30:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:38 ens3 0.35 0.11 0.07 0.50 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 0.48 0.12 0.15 0.09 0.00 0.00 0.00 0.00 01:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:12 ens3 10.92 5.19 19.79 2.74 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.37 0.99 4.53 0.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25241) 06/06/26 _x86_64_ (2 CPU) 00:43:16 LINUX RESTART (2 CPU) 00:50:18 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 0.40 0.00 0.20 0.03 0.03 99.34 01:00:18 0 0.35 0.00 0.23 0.03 0.03 99.35 01:00:18 1 0.45 0.00 0.17 0.02 0.02 99.33 01:10:01 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:01 0 0.06 0.00 0.09 0.01 0.04 99.79 01:10:01 1 0.46 0.00 0.05 0.01 0.03 99.46 01:20:18 all 0.26 0.00 0.08 0.03 0.03 99.60 01:20:18 0 0.06 0.00 0.10 0.06 0.04 99.74 01:20:18 1 0.45 0.00 0.06 0.00 0.03 99.46 01:30:38 all 0.27 0.00 0.15 0.01 0.03 99.54 01:30:38 0 0.06 0.00 0.17 0.01 0.04 99.71 01:30:38 1 0.47 0.00 0.12 0.01 0.02 99.38 01:40:01 all 0.24 0.00 0.06 0.01 0.03 99.65 01:40:01 0 0.04 0.00 0.08 0.01 0.04 99.83 01:40:01 1 0.44 0.00 0.04 0.02 0.02 99.47 01:50:12 all 0.51 0.00 0.08 0.02 0.03 99.36 01:50:12 0 0.40 0.00 0.10 0.02 0.04 99.44 01:50:12 1 0.61 0.00 0.07 0.01 0.02 99.27 Average: all 0.32 0.00 0.11 0.02 0.03 99.52 Average: 0 0.16 0.00 0.13 0.02 0.04 99.64 Average: 1 0.48 0.00 0.09 0.01 0.02 99.39