---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2903 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 790 5183 4 2264 7151 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:b5:61:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50498sec preferred_lft 50498sec inet6 fe80::f816:3eff:feb5:618f/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-2903) 04/16/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.79 0.02 1.77 0.01 0.82 20.85 436.15 00:20:06 1.85 0.11 1.71 0.03 3.03 24.22 909.81 00:30:06 1.89 0.00 1.88 0.01 0.00 20.97 864.57 00:40:01 23.10 3.04 17.84 2.22 228.15 3158.02 492.61 00:50:06 1.44 0.00 1.44 0.00 0.00 21.89 0.05 Average: 5.98 0.63 4.90 0.45 46.03 644.13 540.66 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6115296 7513300 295200 3.63 53900 1540028 581764 6.34 480556 1308592 240 00:20:06 6159772 7519436 288964 3.55 54016 1501500 579456 6.31 479412 1269964 324 00:30:06 6152032 7512172 296192 3.64 54152 1501832 579592 6.31 479284 1270432 312 00:40:01 5208660 7396656 364280 4.48 103500 2239784 675736 7.36 605032 2012616 316 00:50:06 5156240 7346264 414700 5.10 103588 2241820 699368 7.62 621248 2014580 360 Average: 5758400 7457566 331867 4.08 73831 1804993 623183 6.79 533106 1575237 310 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.20 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:06 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:06 ens3 0.21 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:06 ens3 0.51 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 63.22 45.94 301.75 12.49 0.00 0.00 0.00 0.00 00:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 13.50 10.00 71.76 1.04 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.45 11.19 74.39 2.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2903) 04/16/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.09 0.01 0.03 99.60 00:10:01 0 0.14 0.00 0.10 0.01 0.04 99.72 00:10:01 1 0.38 0.00 0.09 0.02 0.03 99.49 00:20:06 all 0.63 0.00 0.21 0.04 0.03 99.09 00:20:06 0 0.70 0.00 0.20 0.03 0.02 99.06 00:20:06 1 0.57 0.00 0.23 0.05 0.03 99.11 00:30:06 all 0.25 0.00 0.16 0.01 0.03 99.55 00:30:06 0 0.28 0.00 0.15 0.01 0.02 99.54 00:30:06 1 0.22 0.00 0.17 0.01 0.03 99.56 00:40:01 all 10.92 0.00 1.65 0.57 0.05 86.81 00:40:01 0 12.51 0.00 1.86 0.74 0.05 84.84 00:40:01 1 9.32 0.00 1.45 0.40 0.05 88.78 00:50:06 all 0.83 0.00 0.19 0.01 0.06 98.91 00:50:06 0 1.05 0.00 0.26 0.01 0.08 98.60 00:50:06 1 0.61 0.00 0.12 0.01 0.04 99.21 Average: all 2.56 0.00 0.46 0.13 0.04 96.81 Average: 0 2.92 0.00 0.51 0.16 0.04 96.37 Average: 1 2.21 0.00 0.41 0.10 0.04 97.25