---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19474 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 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 740 5234 4 2258 7201 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:7b:07:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82343sec preferred_lft 82343sec inet6 fe80::f816:3eff:fe7b:7f8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19474) 05/24/26 _x86_64_ (2 CPU) 00:41:37 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.01 0.26 1.72 0.02 31.24 77.20 658.56 01:10:01 1.41 0.00 1.41 0.00 1.05 16.12 0.05 01:20:13 1.54 0.00 1.52 0.02 0.01 18.09 0.86 01:30:01 1.62 0.00 1.59 0.03 0.00 19.15 891.07 01:40:01 1.38 0.00 1.36 0.02 0.00 16.32 1.20 Average: 1.59 0.05 1.52 0.02 6.43 29.31 306.15 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6234792 7512196 307772 3.78 30892 1451772 728528 7.94 465488 1204812 220 01:10:01 6254352 7532580 287440 3.53 31056 1452416 532612 5.80 460212 1205316 276 01:20:13 6258792 7537592 282336 3.47 31292 1452748 587760 6.40 466092 1205880 184 01:30:01 6247440 7526812 293156 3.60 31512 1453076 532828 5.80 460824 1206432 124 01:40:01 6255012 7535064 284852 3.50 31728 1453536 533060 5.81 461496 1206980 136 Average: 6250078 7528849 291111 3.58 31296 1452710 582958 6.35 462822 1205884 188 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.96 0.25 3.24 0.05 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 0.84 0.05 5.29 0.03 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.56 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.48 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.77 0.22 0.19 0.64 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 0.72 0.14 1.79 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19474) 05/24/26 _x86_64_ (2 CPU) 00:41:37 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.38 0.00 0.19 0.03 0.03 99.37 01:00:01 0 0.31 0.00 0.18 0.02 0.03 99.47 01:00:01 1 0.46 0.00 0.21 0.03 0.03 99.26 01:10:01 all 0.25 0.00 0.07 0.01 0.03 99.64 01:10:01 0 0.45 0.00 0.05 0.02 0.02 99.46 01:10:01 1 0.05 0.00 0.09 0.00 0.04 99.82 01:20:13 all 0.32 0.00 0.08 0.01 0.03 99.57 01:20:13 0 0.52 0.00 0.06 0.02 0.02 99.39 01:20:13 1 0.11 0.00 0.10 0.01 0.04 99.74 01:30:01 all 0.28 0.00 0.16 0.01 0.03 99.51 01:30:01 0 0.47 0.00 0.16 0.00 0.03 99.34 01:30:01 1 0.10 0.00 0.17 0.02 0.03 99.68 01:40:01 all 0.27 0.00 0.07 0.01 0.03 99.63 01:40:01 0 0.34 0.00 0.06 0.01 0.03 99.57 01:40:01 1 0.19 0.00 0.07 0.02 0.03 99.69 Average: all 0.30 0.00 0.11 0.01 0.03 99.54 Average: 0 0.42 0.00 0.10 0.01 0.02 99.45 Average: 1 0.18 0.00 0.13 0.02 0.03 99.64