---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32543 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: 5599.94 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 8.1G 30G 22% / 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 772 5016 4 2453 7169 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:42:27:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82099sec preferred_lft 82099sec inet6 fe80::f816:3eff:fe42:279e/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-32543) 07/03/26 _x86_64_ (2 CPU) 01:58:45 LINUX RESTART (2 CPU) 02:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:27 1.91 0.28 1.61 0.02 32.21 75.93 0.77 02:20:01 1.34 0.01 1.31 0.02 0.07 15.80 1.13 02:30:27 1.51 0.00 1.48 0.03 0.00 17.55 418.61 02:40:27 1.32 0.00 1.31 0.02 0.00 15.28 1.20 02:50:01 1.36 0.00 1.34 0.02 0.00 16.22 1.26 03:00:27 1.84 0.37 1.44 0.03 15.89 36.24 418.09 03:10:10 28.34 2.76 22.09 3.50 223.08 3769.94 1304.63 Average: 5.28 0.48 4.29 0.50 38.07 550.35 307.58 02:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:27 6243932 7516900 303064 3.73 30728 1447572 723832 7.88 458396 1200664 180 02:20:01 6251520 7525072 294812 3.63 30952 1447908 723988 7.89 458472 1201220 284 02:30:27 6244224 7518392 301400 3.71 31196 1448236 724076 7.89 458500 1201788 132 02:40:27 6259176 7533864 285928 3.52 31380 1448556 724152 7.89 459952 1202300 132 02:50:01 6259176 7534372 285384 3.51 31600 1448872 724180 7.89 460396 1202804 240 03:00:27 6236480 7523372 296276 3.64 31864 1460156 735780 8.01 477688 1212420 196 03:10:10 5235224 7439128 327436 4.03 89568 2274268 765944 8.34 559964 2038872 28820 Average: 6104247 7513014 299186 3.68 39613 1567938 731707 7.97 476195 1322867 4283 02:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:27 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:27 ens3 1.64 0.24 3.31 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.44 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:27 ens3 1.08 0.04 10.04 0.01 0.00 0.00 0.00 0.00 02:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:27 ens3 0.51 0.10 0.91 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.43 0.12 0.14 0.08 0.00 0.00 0.00 0.00 03:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:27 ens3 8.16 3.91 12.27 2.03 0.00 0.00 0.00 0.00 03:10:10 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 03:10:10 ens3 104.87 73.81 325.09 18.74 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.41 10.94 49.23 2.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32543) 07/03/26 _x86_64_ (2 CPU) 01:58:45 LINUX RESTART (2 CPU) 02:00:27 CPU %user %nice %system %iowait %steal %idle 02:10:27 all 0.43 0.00 0.10 0.02 0.02 99.43 02:10:27 0 0.38 0.00 0.09 0.01 0.02 99.51 02:10:27 1 0.47 0.00 0.12 0.03 0.03 99.35 02:20:01 all 0.24 0.00 0.08 0.01 0.02 99.65 02:20:01 0 0.16 0.00 0.09 0.00 0.02 99.73 02:20:01 1 0.32 0.00 0.07 0.01 0.02 99.57 02:30:27 all 0.28 0.00 0.16 0.02 0.02 99.52 02:30:27 0 0.11 0.00 0.17 0.02 0.02 99.68 02:30:27 1 0.45 0.00 0.16 0.01 0.02 99.37 02:40:27 all 0.30 0.00 0.07 0.01 0.02 99.60 02:40:27 0 0.20 0.00 0.08 0.01 0.02 99.69 02:40:27 1 0.41 0.00 0.07 0.01 0.02 99.50 02:50:01 all 0.26 0.00 0.09 0.01 0.02 99.62 02:50:01 0 0.20 0.00 0.10 0.01 0.02 99.67 02:50:01 1 0.31 0.00 0.09 0.01 0.02 99.57 03:00:27 all 0.50 0.00 0.20 0.02 0.02 99.26 03:00:27 0 0.38 0.00 0.22 0.02 0.02 99.37 03:00:27 1 0.62 0.00 0.17 0.03 0.02 99.16 03:10:10 all 16.39 0.00 2.23 0.69 0.06 80.63 03:10:10 0 16.31 0.00 2.23 0.44 0.05 80.96 03:10:10 1 16.47 0.00 2.24 0.93 0.06 80.30 Average: all 2.57 0.00 0.41 0.11 0.02 96.89 Average: 0 2.47 0.00 0.42 0.07 0.02 97.01 Average: 1 2.66 0.00 0.41 0.14 0.02 96.76