---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8150 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 8.3G 30G 22% / 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 765 4882 4 2586 7176 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:bf:7e:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82777sec preferred_lft 82777sec inet6 fe80::f816:3eff:febf:7efe/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-8150) 03/23/26 _x86_64_ (2 CPU) 00:35:28 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:15 1.43 0.03 1.38 0.01 1.68 28.41 0.82 01:00:16 1.49 0.01 1.45 0.03 0.05 19.61 1.54 01:10:01 1.41 0.00 1.38 0.03 0.00 322.43 1.46 01:20:16 1.53 0.00 1.49 0.03 0.01 345.14 1.35 01:30:15 15.03 0.00 1.57 13.46 0.15 20.10 106257.43 Average: 4.16 0.01 1.46 2.70 0.38 146.65 21143.81 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:15 5053524 7130092 642140 7.90 84028 2157408 872848 9.51 813880 1926936 220 01:00:16 5085316 7162572 609436 7.49 84200 2157928 857596 9.34 781100 1927628 176 01:10:01 5020900 7189360 581836 7.15 84368 2248212 856044 9.32 780848 2018072 140 01:20:16 4732456 7003672 765788 9.42 84560 2349352 1012264 11.03 937528 2119412 124 01:30:15 4696528 6968456 800952 9.85 84748 2349860 979292 10.67 904156 2120080 212 Average: 4917745 7090830 680030 8.36 84381 2252552 915609 9.97 843502 2022426 174 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 37.24 34.50 563.77 2.50 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 79.88 76.00 1255.06 4.99 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 29.22 28.43 454.97 1.91 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 34.25 31.84 533.10 2.15 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 8.98 8.59 137.12 0.62 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 37.95 35.90 589.31 2.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8150) 03/23/26 _x86_64_ (2 CPU) 00:35:28 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:15 all 0.78 0.00 0.29 0.01 0.07 98.85 00:50:15 0 0.85 0.00 0.30 0.00 0.04 98.80 00:50:15 1 0.72 0.00 0.27 0.01 0.09 98.90 01:00:16 all 1.03 0.00 0.62 0.01 0.08 98.26 01:00:16 0 0.80 0.00 0.50 0.01 0.08 98.61 01:00:16 1 1.26 0.00 0.74 0.01 0.07 97.91 01:10:01 all 0.75 0.00 0.27 0.01 0.08 98.90 01:10:01 0 0.90 0.00 0.42 0.02 0.10 98.55 01:10:01 1 0.59 0.00 0.11 0.01 0.05 99.24 01:20:16 all 0.80 0.00 0.24 0.01 0.08 98.87 01:20:16 0 0.77 0.00 0.23 0.01 0.06 98.93 01:20:16 1 0.83 0.00 0.26 0.02 0.09 98.80 01:30:15 all 0.46 0.00 0.28 0.03 0.07 99.15 01:30:15 0 0.51 0.00 0.26 0.05 0.06 99.11 01:30:15 1 0.41 0.00 0.30 0.02 0.09 99.19 Average: all 0.76 0.00 0.34 0.01 0.07 98.81 Average: 0 0.77 0.00 0.34 0.02 0.07 98.81 Average: 1 0.76 0.00 0.34 0.01 0.08 98.81