---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27482 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 788 5126 4 2327 7153 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:dc:28:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82274sec preferred_lft 82274sec inet6 fe80::f816:3eff:fedc:2806/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27482) 06/15/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:13 1.46 0.02 1.42 0.02 1.24 17.56 436.41 02:10:14 1.39 0.01 1.37 0.02 0.05 16.31 1.20 02:20:15 1.90 0.25 1.62 0.02 30.95 74.32 1.21 02:30:15 1.63 0.01 1.61 0.01 1.05 18.69 0.32 02:40:15 1.37 0.00 1.37 0.00 0.00 16.09 0.00 02:50:16 1.82 0.41 1.40 0.00 16.03 48.40 0.07 Average: 1.59 0.12 1.46 0.01 8.22 31.90 73.17 01:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:13 6276628 7527476 292672 3.60 30612 1426044 520964 5.67 444248 1187232 224 02:10:14 6283296 7534708 285488 3.51 30836 1426376 520972 5.67 444444 1187788 124 02:20:15 6228932 7507160 312548 3.84 31200 1452480 717020 7.81 458728 1205492 124 02:30:15 6233728 7512804 306820 3.77 31372 1453116 521180 5.68 453556 1205988 140 02:40:15 6234072 7513628 305984 3.76 31532 1453444 521248 5.68 453832 1206468 184 02:50:16 6205052 7503856 315432 3.88 31836 1472124 567592 6.18 496552 1223808 4340 Average: 6243618 7516605 303157 3.73 31231 1447264 561496 6.12 458560 1202796 856 01:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 1.23 0.08 0.13 0.04 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.72 0.05 4.33 0.02 0.00 0.00 0.00 0.00 02:20:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 0.49 0.22 3.15 0.03 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.43 0.04 0.62 0.01 0.00 0.00 0.00 0.00 02:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.34 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:16 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:16 ens3 12.93 6.85 30.21 3.22 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 2.69 1.22 6.43 0.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27482) 06/15/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:13 CPU %user %nice %system %iowait %steal %idle 02:00:13 all 0.31 0.00 0.17 0.01 0.03 99.49 02:00:13 0 0.32 0.00 0.15 0.01 0.02 99.50 02:00:13 1 0.29 0.00 0.19 0.01 0.03 99.48 02:10:14 all 0.26 0.00 0.08 0.01 0.02 99.63 02:10:14 0 0.29 0.00 0.07 0.01 0.02 99.61 02:10:14 1 0.24 0.00 0.10 0.01 0.02 99.64 02:20:15 all 0.33 0.00 0.10 0.02 0.02 99.53 02:20:15 0 0.46 0.00 0.11 0.02 0.02 99.39 02:20:15 1 0.20 0.00 0.09 0.02 0.03 99.66 02:30:15 all 0.27 0.00 0.15 0.01 0.02 99.54 02:30:15 0 0.29 0.00 0.16 0.01 0.02 99.53 02:30:15 1 0.26 0.00 0.15 0.01 0.03 99.55 02:40:15 all 0.26 0.00 0.09 0.01 0.02 99.63 02:40:15 0 0.44 0.00 0.06 0.01 0.01 99.47 02:40:15 1 0.07 0.00 0.11 0.01 0.03 99.78 02:50:16 all 0.54 0.00 0.13 0.01 0.02 99.30 02:50:16 0 0.48 0.00 0.15 0.01 0.02 99.34 02:50:16 1 0.60 0.00 0.11 0.02 0.03 99.26 Average: all 0.33 0.00 0.12 0.01 0.02 99.52 Average: 0 0.38 0.00 0.12 0.01 0.02 99.47 Average: 1 0.28 0.00 0.12 0.01 0.03 99.56