---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12399 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 743 5308 4 2178 7198 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:31:8a:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83262sec preferred_lft 83262sec inet6 fe80::f816:3eff:fe31:8a14/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12399) 05/10/26 _x86_64_ (2 CPU) 00:16:52 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:02 13.53 1.80 10.76 0.97 119.48 2087.04 421.26 00:40:02 11.08 1.67 8.15 1.26 146.48 1165.18 551.13 00:50:01 14.69 0.00 1.24 13.45 0.15 15.10 106844.22 01:00:12 1.32 0.00 1.31 0.02 0.00 16.61 0.22 Average: 10.12 0.87 5.35 3.90 66.27 818.06 26816.42 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:02 5577328 7397912 387376 4.76 68216 1928372 642800 7.00 580376 1710516 236 00:40:02 5294620 7410712 360552 4.43 84864 2195404 630008 6.86 586220 1955936 176 00:50:01 5293772 7410452 360748 4.44 85052 2195796 630008 6.86 586196 1956488 124 01:00:12 5295488 7412660 358532 4.41 85192 2196152 631032 6.87 586412 1956984 204 Average: 5365302 7407934 366802 4.51 80831 2128931 633462 6.90 584801 1894981 185 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:02 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:30:02 ens3 39.38 23.41 263.17 6.12 0.00 0.00 0.00 0.00 00:40:02 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 00:40:02 ens3 29.71 20.89 42.86 5.60 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 0.76 0.16 0.14 0.06 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.65 0.20 0.12 0.05 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.56 11.12 76.32 2.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12399) 05/10/26 _x86_64_ (2 CPU) 00:16:52 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:02 all 5.49 0.00 0.95 0.33 0.05 93.20 00:30:02 0 4.65 0.00 0.85 0.32 0.04 94.14 00:30:02 1 6.32 0.00 1.04 0.33 0.05 92.26 00:40:02 all 5.64 0.00 0.90 0.19 0.04 93.23 00:40:02 0 5.04 0.00 0.88 0.25 0.04 93.79 00:40:02 1 6.23 0.00 0.93 0.12 0.05 92.67 00:50:01 all 0.85 0.00 0.13 0.50 0.05 98.48 00:50:01 0 0.44 0.00 0.09 0.92 0.03 98.51 00:50:01 1 1.25 0.00 0.18 0.07 0.07 98.44 01:00:12 all 0.43 0.00 0.22 0.01 0.04 99.30 01:00:12 0 0.43 0.00 0.21 0.00 0.04 99.32 01:00:12 1 0.43 0.00 0.22 0.02 0.04 99.28 Average: all 3.09 0.00 0.55 0.25 0.05 96.06 Average: 0 2.63 0.00 0.51 0.37 0.04 96.45 Average: 1 3.55 0.00 0.59 0.14 0.05 95.67