---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27447 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: 5600.00 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 771 5193 4 2269 7170 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:e6:d7:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82446sec preferred_lft 82446sec inet6 fe80::f816:3eff:fee6:d706/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27447) 06/15/26 _x86_64_ (2 CPU) 00:43:09 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.65 0.01 1.62 0.02 0.05 19.56 889.96 01:10:01 1.30 0.00 1.30 0.00 0.00 15.01 0.00 01:20:01 1.32 0.00 1.32 0.00 0.01 14.93 0.12 01:30:01 2.09 0.25 1.81 0.02 30.95 77.22 435.75 01:40:01 1.38 0.00 1.37 0.00 1.05 15.86 0.05 Average: 1.55 0.05 1.48 0.01 6.44 28.56 262.66 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6277688 7524516 295836 3.64 30652 1422060 534740 5.82 446040 1183544 124 01:10:01 6277212 7524540 295832 3.64 30812 1422392 534952 5.83 446204 1184036 160 01:20:01 6285052 7532876 287480 3.53 30980 1422716 534988 5.83 446748 1184528 8 01:30:01 6222628 7497272 322636 3.97 31332 1448828 766476 8.35 463960 1202228 124 01:40:01 6225216 7500804 319112 3.92 31496 1449592 562476 6.13 461504 1202716 132 Average: 6257559 7516002 304179 3.74 31054 1433118 586726 6.39 452891 1191410 110 00:50:13 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 1.09 0.13 0.21 0.10 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 0.87 0.07 6.34 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.48 0.09 0.29 0.06 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 1.06 0.67 3.21 0.64 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 0.52 0.12 0.16 0.09 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 0.80 0.22 2.05 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27447) 06/15/26 _x86_64_ (2 CPU) 00:43:09 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.17 0.01 0.04 99.48 01:00:01 0 0.33 0.00 0.15 0.01 0.04 99.47 01:00:01 1 0.26 0.00 0.20 0.02 0.04 99.49 01:10:01 all 0.25 0.00 0.07 0.01 0.04 99.63 01:10:01 0 0.44 0.00 0.05 0.01 0.03 99.47 01:10:01 1 0.07 0.00 0.09 0.02 0.05 99.78 01:20:01 all 0.28 0.00 0.07 0.01 0.04 99.60 01:20:01 0 0.14 0.00 0.07 0.01 0.04 99.74 01:20:01 1 0.42 0.00 0.07 0.01 0.04 99.47 01:30:01 all 0.38 0.00 0.19 0.03 0.04 99.36 01:30:01 0 0.47 0.00 0.21 0.05 0.05 99.23 01:30:01 1 0.29 0.00 0.18 0.01 0.03 99.49 01:40:01 all 0.26 0.00 0.06 0.01 0.04 99.63 01:40:01 0 0.47 0.00 0.04 0.01 0.03 99.46 01:40:01 1 0.04 0.00 0.09 0.02 0.05 99.81 Average: all 0.29 0.00 0.11 0.01 0.04 99.54 Average: 0 0.37 0.00 0.10 0.01 0.04 99.48 Average: 1 0.21 0.00 0.12 0.01 0.04 99.61