---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65930 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 766 5210 4 2262 7175 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:76:af:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7477sec preferred_lft 7477sec inet6 fe80::f816:3eff:fe76:af1a/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-65930) 04/03/26 _x86_64_ (2 CPU) 00:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:03 1.63 0.02 1.60 0.01 0.84 20.10 0.25 00:20:01 1.73 0.11 1.60 0.03 3.06 22.96 160.88 00:30:25 1.66 0.00 1.64 0.01 0.00 19.10 0.42 00:40:23 22.41 3.02 17.18 2.21 226.48 3100.48 1043.68 00:50:01 1.64 0.01 1.62 0.02 0.59 33.19 1.02 Average: 5.83 0.63 4.74 0.46 46.38 641.65 242.24 00:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:03 6133868 7530856 277844 3.42 53784 1539112 735052 8.01 469168 1308148 376 00:20:01 6150292 7509096 299536 3.68 53952 1500704 733028 7.98 467792 1269692 132 00:30:25 6144296 7503752 304812 3.75 54092 1501200 733028 7.98 468012 1270200 132 00:40:23 5267124 7451640 309528 3.81 103288 2236596 760900 8.29 556496 2009676 1684 00:50:01 5170688 7357504 403692 4.96 103356 2238872 840524 9.15 601832 2012020 248 Average: 5773254 7470570 319082 3.92 73694 1803297 760506 8.28 512660 1573947 514 00:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:03 ens3 0.23 0.09 0.08 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.12 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:25 ens3 0.50 0.13 0.16 0.09 0.00 0.00 0.00 0.00 00:40:23 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:23 ens3 56.06 40.86 298.33 11.51 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 12.39 8.71 26.60 1.61 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 13.84 9.95 65.14 2.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65930) 04/03/26 _x86_64_ (2 CPU) 00:00:23 CPU %user %nice %system %iowait %steal %idle 00:10:03 all 0.24 0.00 0.09 0.01 0.03 99.62 00:10:03 0 0.42 0.00 0.08 0.01 0.02 99.49 00:10:03 1 0.06 0.00 0.11 0.02 0.04 99.76 00:20:01 all 0.62 0.00 0.21 0.01 0.03 99.13 00:20:01 0 0.83 0.00 0.20 0.01 0.02 98.94 00:20:01 1 0.42 0.00 0.21 0.02 0.04 99.32 00:30:25 all 0.27 0.00 0.14 0.01 0.03 99.55 00:30:25 0 0.48 0.00 0.12 0.01 0.01 99.38 00:30:25 1 0.06 0.00 0.16 0.01 0.04 99.73 00:40:23 all 10.53 0.00 1.63 0.53 0.04 87.27 00:40:23 0 10.79 0.00 1.57 0.50 0.04 87.10 00:40:23 1 10.27 0.00 1.68 0.55 0.05 87.44 00:50:01 all 0.94 0.00 0.20 0.01 0.06 98.79 00:50:01 0 1.14 0.00 0.24 0.01 0.07 98.53 00:50:01 1 0.74 0.00 0.15 0.02 0.05 99.05 Average: all 2.52 0.00 0.45 0.12 0.04 96.87 Average: 0 2.74 0.00 0.44 0.11 0.03 96.68 Average: 1 2.31 0.00 0.46 0.12 0.04 97.05