---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25550 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 8.2G 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 748 4939 4 2548 7193 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:d9:b3:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82769sec preferred_lft 82769sec inet6 fe80::f816:3eff:fed9:b33f/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-25550) 06/07/26 _x86_64_ (2 CPU) 01:40:34 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.44 0.01 1.39 0.04 1.11 18.30 1.49 02:10:21 14.45 0.00 1.38 13.07 0.14 104.58 103110.37 02:20:21 1.47 0.00 1.44 0.03 0.01 264.23 1.19 02:30:01 1.63 0.00 1.59 0.04 0.00 123.68 1.54 02:40:13 4.21 0.04 3.31 0.86 1.06 660.32 1836.11 Average: 4.73 0.01 1.83 2.89 0.47 235.97 21604.95 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 5030240 7229248 538048 6.62 85896 2273852 791896 8.63 733264 2035632 160 02:10:21 4963932 7190940 576172 7.08 86080 2301504 844204 9.20 769804 2063456 176 02:20:21 4859248 7175076 590640 7.26 86252 2388928 888724 9.68 813688 2151064 12788 02:30:01 4730200 7064288 701088 8.62 86428 2406768 957940 10.43 883640 2169072 252 02:40:13 5077516 7377516 395748 4.87 88024 2378368 631484 6.88 599224 2141984 24088 Average: 4932227 7207414 560339 6.89 86536 2349884 822850 8.96 759924 2112242 7493 01:50:03 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 28.77 27.36 482.11 1.82 0.00 0.00 0.00 0.00 02:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:21 ens3 77.18 74.59 1235.91 4.89 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 27.02 25.46 413.93 1.70 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 24.32 22.94 378.95 1.53 0.00 0.00 0.00 0.00 02:40:13 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 31.99 25.80 291.68 19.10 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 38.19 35.54 565.12 5.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25550) 06/07/26 _x86_64_ (2 CPU) 01:40:34 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.66 0.00 0.35 0.08 0.04 98.88 02:00:01 0 0.57 0.00 0.29 0.12 0.04 98.98 02:00:01 1 0.74 0.00 0.40 0.04 0.04 98.78 02:10:21 all 1.13 0.00 0.58 0.12 0.05 98.13 02:10:21 0 1.43 0.00 0.80 0.12 0.05 97.60 02:10:21 1 0.82 0.00 0.35 0.12 0.04 98.66 02:20:21 all 0.81 0.00 0.22 0.54 0.03 98.39 02:20:21 0 0.94 0.00 0.29 0.36 0.04 98.37 02:20:21 1 0.68 0.00 0.16 0.73 0.02 98.41 02:30:01 all 0.68 0.00 0.36 0.05 0.03 98.88 02:30:01 0 0.77 0.00 0.31 0.06 0.02 98.84 02:30:01 1 0.60 0.00 0.41 0.04 0.03 98.91 02:40:13 all 3.44 0.00 0.51 0.26 0.03 95.76 02:40:13 0 5.57 0.00 0.67 0.24 0.03 93.49 02:40:13 1 1.30 0.00 0.35 0.28 0.04 98.04 Average: all 1.35 0.00 0.41 0.21 0.04 97.99 Average: 0 1.88 0.00 0.48 0.18 0.04 97.43 Average: 1 0.83 0.00 0.33 0.24 0.04 98.56