---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10682 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 745 5294 4 2190 7196 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:aa:da:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81578sec preferred_lft 81578sec inet6 fe80::f816:3eff:feaa:da7b/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-10682) 05/04/26 _x86_64_ (2 CPU) 00:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.50 0.02 1.47 0.02 0.82 17.94 439.21 00:20:05 14.12 0.12 1.52 12.48 3.60 19.28 108518.67 00:30:05 1.63 0.00 1.61 0.02 0.00 20.09 653.60 00:40:01 23.22 3.04 17.95 2.23 229.79 3202.55 748.47 00:50:05 1.32 0.00 1.31 0.02 0.00 21.35 1.13 Average: 8.35 0.63 4.75 2.97 46.52 651.69 22239.89 00:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6261008 7540892 279280 3.43 31168 1453980 524804 5.72 452712 1205368 272 00:20:05 6256488 7537104 282812 3.48 31508 1454320 523956 5.71 452724 1205772 268 00:30:05 6246376 7527704 292068 3.59 31716 1454780 579100 6.31 456424 1206340 264 00:40:01 5295228 7418352 353228 4.34 85288 2201624 622040 6.78 595424 1961204 244 00:50:05 5214392 7339528 432140 5.31 85464 2203524 660136 7.19 625920 1963280 200 Average: 5854698 7472716 327906 4.03 53029 1753646 582007 6.34 516641 1508393 250 00:00:05 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 0.28 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:05 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:05 ens3 0.22 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 0.44 0.21 0.12 0.50 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 68.37 46.26 305.31 11.67 0.00 0.00 0.00 0.00 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 14.30 10.22 71.93 1.10 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 16.64 11.31 75.16 2.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10682) 05/04/26 _x86_64_ (2 CPU) 00:00:05 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.07 0.03 99.57 00:10:01 0 0.35 0.00 0.08 0.02 0.02 99.53 00:10:01 1 0.13 0.00 0.12 0.11 0.03 99.61 00:20:05 all 0.49 0.00 0.21 0.05 0.03 99.22 00:20:05 0 0.34 0.00 0.22 0.06 0.03 99.35 00:20:05 1 0.65 0.00 0.19 0.05 0.02 99.09 00:30:05 all 0.33 0.00 0.18 0.01 0.03 99.45 00:30:05 0 0.30 0.00 0.18 0.03 0.03 99.47 00:30:05 1 0.37 0.00 0.17 0.00 0.03 99.42 00:40:01 all 10.82 0.00 1.66 0.73 0.05 86.74 00:40:01 0 12.09 0.00 1.66 0.88 0.04 85.33 00:40:01 1 9.55 0.00 1.66 0.59 0.05 88.15 00:50:05 all 0.82 0.00 0.20 0.03 0.06 98.89 00:50:05 0 0.89 0.00 0.19 0.05 0.05 98.82 00:50:05 1 0.74 0.00 0.21 0.01 0.08 98.97 Average: all 2.52 0.00 0.47 0.18 0.04 96.79 Average: 0 2.78 0.00 0.46 0.21 0.03 96.52 Average: 1 2.27 0.00 0.47 0.15 0.04 97.07