---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26014 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 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 786 5082 4 2365 7155 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:a7:2e:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80820sec preferred_lft 80820sec inet6 fe80::f816:3eff:fea7:2e8b/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-26014) 06/09/26 _x86_64_ (2 CPU) 01:48:44 LINUX RESTART (2 CPU) 01:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:05 1.50 0.03 1.46 0.02 1.24 18.36 871.80 02:10:05 1.80 0.26 1.51 0.02 32.08 74.01 0.91 02:20:05 1.19 0.00 1.17 0.02 0.01 14.00 1.09 02:30:05 1.42 0.00 1.39 0.03 0.00 16.97 654.45 02:40:05 1.16 0.00 1.15 0.02 0.00 14.36 1.09 02:50:05 1.14 0.00 1.12 0.02 0.00 14.33 1.21 03:00:05 36.65 3.00 18.23 15.42 227.65 3448.44 107816.17 03:10:05 1.52 0.00 1.51 0.01 0.00 55.01 0.11 03:20:00 1.39 0.00 1.39 0.00 0.00 112.95 0.00 Average: 5.31 0.37 3.22 1.73 29.03 419.03 12162.03 01:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:05 6281364 7527512 293004 3.60 30572 1421264 533712 5.81 444632 1183280 252 02:10:05 6244804 7518036 302016 3.71 30940 1447616 533776 5.81 453856 1200932 204 02:20:05 6259980 7533756 286288 3.52 31148 1447944 533780 5.81 454260 1201468 216 02:30:05 6259812 7534156 285852 3.51 31356 1448272 533924 5.82 454272 1202000 296 02:40:05 6274988 7549860 270148 3.32 31552 1448596 534120 5.82 458272 1202524 232 02:50:05 6274232 7549784 270208 3.32 31772 1449048 534120 5.82 458444 1203068 228 03:00:05 5171708 7377928 389168 4.79 86888 2279556 666356 7.26 628148 2043104 228 03:10:05 5158500 7376904 390152 4.80 87068 2291568 676008 7.36 629772 2055288 1580 03:20:00 5383168 7443020 332636 4.09 87224 2140568 584636 6.37 573380 1904452 6500 Average: 5923173 7490106 313275 3.85 49836 1708270 570048 6.21 506115 1466235 1082 01:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 1.47 0.06 0.19 0.03 0.00 0.00 0.00 0.00 02:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.71 0.23 3.14 0.03 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.49 0.05 1.48 0.03 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.32 0.03 0.20 0.01 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 1.08 0.21 0.26 0.55 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.55 0.12 0.17 0.09 0.00 0.00 0.00 0.00 03:00:05 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:05 ens3 77.53 53.44 319.77 12.60 0.00 0.00 0.00 0.00 03:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 37.56 32.26 7.76 4.32 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 38.51 36.88 9.51 5.37 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.56 13.68 38.08 2.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26014) 06/09/26 _x86_64_ (2 CPU) 01:48:44 LINUX RESTART (2 CPU) 01:50:05 CPU %user %nice %system %iowait %steal %idle 02:00:05 all 0.25 0.00 0.17 0.01 0.04 99.53 02:00:05 0 0.22 0.00 0.16 0.02 0.05 99.55 02:00:05 1 0.28 0.00 0.18 0.01 0.03 99.50 02:10:05 all 0.35 0.00 0.10 0.02 0.04 99.49 02:10:05 0 0.37 0.00 0.07 0.02 0.04 99.51 02:10:05 1 0.34 0.00 0.13 0.03 0.04 99.47 02:20:05 all 0.26 0.00 0.08 0.01 0.04 99.61 02:20:05 0 0.05 0.00 0.10 0.01 0.05 99.79 02:20:05 1 0.47 0.00 0.06 0.01 0.03 99.44 02:30:05 all 0.29 0.00 0.16 0.01 0.04 99.49 02:30:05 0 0.07 0.00 0.19 0.02 0.05 99.67 02:30:05 1 0.52 0.00 0.14 0.01 0.03 99.32 02:40:05 all 0.30 0.00 0.07 0.02 0.03 99.58 02:40:05 0 0.45 0.00 0.05 0.02 0.02 99.46 02:40:05 1 0.16 0.00 0.08 0.03 0.04 99.70 02:50:05 all 0.27 0.00 0.07 0.01 0.02 99.63 02:50:05 0 0.45 0.00 0.06 0.01 0.02 99.47 02:50:05 1 0.08 0.00 0.09 0.01 0.03 99.80 03:00:05 all 14.45 0.00 2.03 0.58 0.07 82.87 03:00:05 0 11.67 0.00 2.00 0.62 0.06 85.65 03:00:05 1 17.22 0.00 2.06 0.55 0.08 80.09 03:10:05 all 5.83 0.00 0.50 0.01 0.07 93.59 03:10:05 0 6.87 0.00 0.53 0.01 0.07 92.51 03:10:05 1 4.79 0.00 0.47 0.01 0.06 94.67 03:20:00 all 8.52 0.00 0.52 0.01 0.07 90.88 03:20:00 0 6.85 0.00 0.48 0.01 0.07 92.59 03:20:00 1 10.19 0.00 0.57 0.00 0.08 89.16 Average: all 3.37 0.00 0.41 0.08 0.05 96.09 Average: 0 2.98 0.00 0.40 0.08 0.05 96.49 Average: 1 3.76 0.00 0.42 0.07 0.05 95.70