---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15676 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 757 5293 4 2180 7184 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:b2:34:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82198sec preferred_lft 82198sec inet6 fe80::f816:3eff:feb2:342f/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-15676) 05/16/26 _x86_64_ (2 CPU) 01:47:50 LINUX RESTART (2 CPU) 01:50:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 14.77 0.03 1.69 13.05 1.44 19.93 114122.65 02:10:01 1.44 0.01 1.42 0.02 0.05 16.76 1.20 02:20:01 1.97 0.26 1.68 0.03 32.04 75.33 1.31 02:30:01 1.55 0.00 1.54 0.01 0.00 18.65 653.37 02:40:01 1.33 0.00 1.33 0.00 0.00 16.24 0.00 02:50:01 1.31 0.00 1.31 0.00 0.00 16.07 0.00 Average: 3.66 0.05 1.49 2.12 5.62 27.21 18532.31 01:50:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6267924 7515120 304820 3.75 30548 1422520 537848 5.86 456780 1183156 156 02:10:01 6283352 7531108 288788 3.55 30772 1422852 537876 5.86 456828 1183712 160 02:20:01 6250356 7525164 294288 3.62 31164 1449152 538016 5.86 466004 1201328 168 02:30:01 6257464 7532804 286604 3.52 31344 1449476 538016 5.86 466288 1201832 160 02:40:01 6265052 7540896 278512 3.42 31516 1449804 538112 5.86 466632 1202332 220 02:50:01 6264800 7541260 278128 3.42 31668 1450268 538244 5.86 467188 1202812 192 Average: 6264825 7531059 288523 3.55 31169 1440679 538019 5.86 463287 1195862 176 01:50:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.19 0.06 0.12 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.45 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.81 0.21 8.79 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.38 0.08 0.23 0.04 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.46 0.14 0.12 0.46 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.45 0.14 0.16 0.10 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 0.62 0.11 1.59 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15676) 05/16/26 _x86_64_ (2 CPU) 01:47:50 LINUX RESTART (2 CPU) 01:50:23 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.31 0.00 0.19 0.04 0.05 99.42 02:00:01 0 0.22 0.00 0.20 0.05 0.05 99.48 02:00:01 1 0.41 0.00 0.18 0.03 0.04 99.35 02:10:01 all 0.22 0.00 0.08 0.01 0.04 99.64 02:10:01 0 0.18 0.00 0.10 0.00 0.05 99.67 02:10:01 1 0.26 0.00 0.07 0.02 0.03 99.62 02:20:01 all 0.34 0.00 0.10 0.03 0.05 99.48 02:20:01 0 0.25 0.00 0.13 0.04 0.06 99.53 02:20:01 1 0.44 0.00 0.07 0.02 0.04 99.44 02:30:01 all 0.28 0.00 0.16 0.01 0.05 99.50 02:30:01 0 0.34 0.00 0.17 0.01 0.05 99.44 02:30:01 1 0.22 0.00 0.15 0.01 0.05 99.57 02:40:01 all 0.24 0.00 0.07 0.01 0.04 99.64 02:40:01 0 0.15 0.00 0.08 0.01 0.05 99.71 02:40:01 1 0.33 0.00 0.06 0.01 0.04 99.56 02:50:01 all 0.19 0.00 0.07 0.02 0.04 99.68 02:50:01 0 0.16 0.00 0.07 0.01 0.04 99.72 02:50:01 1 0.22 0.00 0.08 0.02 0.04 99.64 Average: all 0.26 0.00 0.11 0.02 0.04 99.56 Average: 0 0.22 0.00 0.12 0.02 0.05 99.59 Average: 1 0.31 0.00 0.10 0.02 0.04 99.53