---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1115 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 750 5298 4 2181 7191 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:b7:44:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82446sec preferred_lft 82446sec inet6 fe80::f816:3eff:feb7:441a/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-1115) 04/08/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 1.61 0.01 1.59 0.02 0.05 18.91 870.37 01:10:07 13.97 0.00 1.43 12.53 0.15 16.34 109067.57 01:20:08 1.34 0.00 1.32 0.02 0.01 15.58 1.32 01:30:08 2.26 0.31 1.90 0.04 38.99 76.59 872.27 01:40:09 1.67 0.38 1.28 0.01 14.77 46.13 1.08 Average: 4.17 0.14 1.50 2.53 10.79 34.71 22164.08 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6286020 7532952 287496 3.54 30664 1421932 527472 5.75 445616 1183504 180 01:10:07 6307316 7554820 265560 3.27 30860 1422304 527536 5.75 445748 1184044 144 01:20:08 6311716 7559780 260628 3.20 31092 1422628 527736 5.75 445804 1184600 232 01:30:08 6254648 7531532 288216 3.54 31512 1450640 725772 7.91 462792 1201960 204 01:40:09 6222288 7514028 305532 3.76 31780 1465044 747764 8.14 496356 1215236 176 Average: 6276398 7538622 281486 3.46 31182 1436510 611256 6.66 459263 1193869 187 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.89 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.72 0.05 4.35 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.41 0.04 0.88 0.01 0.00 0.00 0.00 0.00 01:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.41 0.20 3.05 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 9.06 4.97 19.95 3.05 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 2.30 1.07 5.67 0.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1115) 04/08/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.28 0.00 0.18 0.01 0.04 99.50 01:00:07 0 0.34 0.00 0.18 0.01 0.03 99.44 01:00:07 1 0.21 0.00 0.18 0.01 0.05 99.56 01:10:07 all 0.27 0.00 0.09 0.03 0.04 99.57 01:10:07 0 0.07 0.00 0.11 0.06 0.05 99.71 01:10:07 1 0.47 0.00 0.06 0.00 0.03 99.43 01:20:08 all 0.26 0.00 0.07 0.01 0.04 99.62 01:20:08 0 0.06 0.00 0.09 0.01 0.05 99.80 01:20:08 1 0.47 0.00 0.05 0.01 0.03 99.43 01:30:08 all 0.38 0.00 0.20 0.03 0.04 99.34 01:30:08 0 0.31 0.00 0.18 0.03 0.05 99.43 01:30:08 1 0.45 0.00 0.22 0.03 0.04 99.26 01:40:09 all 0.64 0.00 0.11 0.02 0.04 99.19 01:40:09 0 0.50 0.00 0.11 0.02 0.05 99.33 01:40:09 1 0.78 0.00 0.11 0.02 0.04 99.06 Average: all 0.37 0.00 0.13 0.02 0.04 99.44 Average: 0 0.26 0.00 0.13 0.03 0.05 99.54 Average: 1 0.48 0.00 0.12 0.01 0.04 99.35