---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53036 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 8.0G 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 5097 4 2351 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:47:07:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8535sec preferred_lft 8535sec inet6 fe80::f816:3eff:fe47:761/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53036) 03/27/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:05 1.79 0.01 1.76 0.01 0.81 20.97 0.22 00:20:21 1.94 0.10 1.81 0.03 2.98 24.75 136.20 00:30:01 23.99 3.26 18.39 2.34 237.71 3222.00 685.91 00:40:17 4.92 0.09 3.86 0.97 6.62 464.26 2066.61 Average: 7.95 0.84 6.30 0.82 59.68 902.93 726.21 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:05 6116988 7515184 293524 3.61 54260 1539856 548460 5.97 481132 1308632 228 00:20:21 6137684 7497712 310972 3.82 54428 1501500 546420 5.95 479748 1270228 120 00:30:01 5259252 7445120 316092 3.89 103868 2237340 571912 6.23 564100 2009936 2452 00:40:17 5299052 7397260 372996 4.59 105324 2156520 662452 7.22 605396 1928952 24324 Average: 5703244 7463819 323396 3.98 79470 1858804 582311 6.34 532594 1629437 6781 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:05 ens3 0.25 0.06 0.08 0.04 0.00 0.00 0.00 0.00 00:20:21 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:21 ens3 0.14 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.32 1.32 0.12 0.12 0.00 0.00 0.00 0.00 00:30:01 ens3 58.48 41.87 307.56 12.72 0.00 0.00 0.00 0.00 00:40:17 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:40:17 ens3 21.89 16.81 44.72 12.84 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 19.71 14.36 85.22 6.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53036) 03/27/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:05 all 0.26 0.00 0.10 0.01 0.04 99.59 00:10:05 0 0.19 0.00 0.10 0.00 0.04 99.67 00:10:05 1 0.32 0.00 0.11 0.01 0.04 99.52 00:20:21 all 0.58 0.00 0.21 0.01 0.04 99.15 00:20:21 0 0.63 0.00 0.22 0.01 0.04 99.11 00:20:21 1 0.52 0.00 0.21 0.02 0.04 99.20 00:30:01 all 10.81 0.00 1.72 0.54 0.05 86.87 00:30:01 0 9.87 0.00 1.58 0.58 0.05 87.92 00:30:01 1 11.76 0.00 1.87 0.50 0.05 85.82 00:40:17 all 7.64 0.00 0.50 0.08 0.08 91.71 00:40:17 0 11.54 0.00 0.53 0.05 0.09 87.79 00:40:17 1 3.74 0.00 0.46 0.11 0.07 95.62 Average: all 4.75 0.00 0.62 0.16 0.05 94.42 Average: 0 5.52 0.00 0.59 0.15 0.05 93.68 Average: 1 3.99 0.00 0.65 0.16 0.05 95.16