---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8130 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 762 5273 4 2194 7179 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:f3:83:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83099sec preferred_lft 83099sec inet6 fe80::f816:3eff:fef3:83e7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8130) 03/22/26 _x86_64_ (2 CPU) 23:01:20 LINUX RESTART (2 CPU) 23:10:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:11 1.39 0.01 1.37 0.01 0.07 18.35 0.74 23:30:01 2.23 0.33 1.87 0.03 40.95 79.13 0.72 23:40:05 1.23 0.00 1.23 0.00 0.00 18.41 0.00 23:50:11 1.41 0.00 1.40 0.00 0.09 32.61 0.03 Average: 1.56 0.08 1.47 0.01 10.18 37.04 0.37 23:10:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:11 5335036 7409652 362788 4.46 84768 2154720 632188 6.89 583300 1924884 124 23:30:01 5261004 7364860 407212 5.01 85052 2183532 633840 6.90 596140 1942604 132 23:40:05 5260764 7365976 406132 4.99 85188 2184752 635616 6.92 597732 1943960 220 23:50:11 5275440 7385892 386216 4.75 85372 2189804 664020 7.23 601632 1949196 400 Average: 5283061 7381595 390587 4.80 85095 2178202 641416 6.99 594701 1940161 219 23:10:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 23:20:11 ens3 0.92 0.42 0.18 0.08 0.00 0.00 0.00 0.00 23:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 23:30:01 ens3 1.17 0.69 3.37 0.78 0.00 0.00 0.00 0.00 23:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 23:40:05 ens3 1.50 0.64 0.76 0.17 0.00 0.00 0.00 0.00 23:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 23:50:11 ens3 4.81 3.35 1.53 0.78 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 2.12 1.28 1.46 0.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8130) 03/22/26 _x86_64_ (2 CPU) 23:01:20 LINUX RESTART (2 CPU) 23:10:26 CPU %user %nice %system %iowait %steal %idle 23:20:11 all 8.58 0.00 0.81 0.01 0.08 90.52 23:20:11 0 7.26 0.00 0.72 0.01 0.08 91.94 23:20:11 1 9.93 0.00 0.91 0.01 0.08 89.07 23:30:01 all 9.35 0.00 0.92 0.03 0.07 89.63 23:30:01 0 12.45 0.00 1.18 0.02 0.07 86.28 23:30:01 1 6.36 0.00 0.67 0.03 0.08 92.86 23:40:05 all 9.24 0.00 0.74 0.01 0.08 89.94 23:40:05 0 11.31 0.00 0.87 0.01 0.07 87.73 23:40:05 1 7.20 0.00 0.60 0.01 0.08 92.11 23:50:11 all 7.49 0.00 0.61 0.01 0.07 91.82 23:50:11 0 6.10 0.00 0.60 0.01 0.08 93.22 23:50:11 1 8.90 0.00 0.61 0.01 0.07 90.41 Average: all 8.66 0.00 0.77 0.01 0.07 90.48 Average: 0 9.24 0.00 0.84 0.01 0.07 89.83 Average: 1 8.08 0.00 0.69 0.02 0.08 91.13