---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66313 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 764 5291 4 2174 7177 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:ec:11:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82011sec preferred_lft 82011sec inet6 fe80::f816:3eff:feec:117e/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-66313) 04/04/26 _x86_64_ (2 CPU) 00:41:43 LINUX RESTART (2 CPU) 00:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.53 0.01 1.51 0.02 0.05 17.94 443.16 01:10:12 1.95 0.31 1.61 0.03 38.33 71.73 1.38 01:20:12 1.41 0.01 1.40 0.01 1.07 16.47 0.41 01:30:01 14.35 0.00 1.57 12.78 0.15 18.61 111034.71 01:40:12 1.38 0.00 1.38 0.00 0.00 16.31 0.00 01:50:12 22.65 3.05 17.38 2.21 228.39 3099.73 954.12 Average: 7.17 0.56 4.14 2.47 44.76 540.07 18412.79 00:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6289460 7536480 283888 3.49 30664 1422244 520264 5.67 439336 1183460 156 01:10:12 6245552 7521300 298388 3.67 31052 1450204 718164 7.82 456276 1200744 176 01:20:12 6253140 7529728 290008 3.57 31248 1450832 520556 5.67 451128 1201256 200 01:30:01 6252808 7529976 289788 3.56 31424 1451212 521368 5.68 451880 1201784 240 01:40:12 6257776 7535592 284168 3.49 31608 1451668 521432 5.68 452352 1202296 132 01:50:12 5332208 7440688 331056 4.07 85072 2187724 557792 6.08 550504 1946124 11528 Average: 6105157 7515627 296216 3.64 40178 1568981 559929 6.10 466913 1322611 2072 00:50:10 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 0.64 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.81 0.23 5.37 0.05 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.55 0.09 0.30 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.44 0.09 0.14 0.08 0.00 0.00 0.00 0.00 01:50:12 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:12 ens3 58.51 41.62 297.72 11.55 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.21 7.02 50.61 1.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66313) 04/04/26 _x86_64_ (2 CPU) 00:41:43 LINUX RESTART (2 CPU) 00:50:10 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.16 0.01 0.03 99.50 01:00:01 0 0.49 0.00 0.12 0.02 0.02 99.36 01:00:01 1 0.10 0.00 0.20 0.01 0.05 99.65 01:10:12 all 0.33 0.00 0.11 0.03 0.03 99.49 01:10:12 0 0.49 0.00 0.10 0.03 0.03 99.36 01:10:12 1 0.16 0.00 0.13 0.04 0.04 99.63 01:20:12 all 0.24 0.00 0.07 0.02 0.03 99.64 01:20:12 0 0.14 0.00 0.08 0.02 0.04 99.73 01:20:12 1 0.35 0.00 0.06 0.01 0.03 99.55 01:30:01 all 0.31 0.00 0.17 0.03 0.04 99.45 01:30:01 0 0.33 0.00 0.16 0.01 0.03 99.47 01:30:01 1 0.29 0.00 0.18 0.05 0.04 99.44 01:40:12 all 0.18 0.00 0.08 0.01 0.04 99.69 01:40:12 0 0.04 0.00 0.08 0.03 0.04 99.81 01:40:12 1 0.33 0.00 0.07 0.00 0.04 99.56 01:50:12 all 10.65 0.00 1.64 0.67 0.06 86.99 01:50:12 0 12.15 0.00 1.73 0.76 0.05 85.31 01:50:12 1 9.14 0.00 1.55 0.58 0.06 88.66 Average: all 2.00 0.00 0.37 0.13 0.04 97.46 Average: 0 2.27 0.00 0.38 0.14 0.03 97.18 Average: 1 1.73 0.00 0.36 0.12 0.04 97.75