---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13112 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 778 5265 4 2186 7162 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:71:f6:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80690sec preferred_lft 80690sec inet6 fe80::f816:3eff:fe71:f66a/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-13112) 05/13/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.44 0.03 1.41 0.01 1.26 16.41 0.61 02:20:02 1.43 0.01 1.40 0.02 0.07 16.34 1.20 02:30:32 1.59 0.00 1.56 0.03 0.00 18.59 623.91 02:40:01 1.32 0.00 1.31 0.02 0.00 15.19 1.14 02:50:52 1.85 0.23 1.59 0.03 28.55 69.92 1.38 03:00:22 1.85 0.03 1.79 0.03 2.26 21.42 918.05 03:10:01 1.31 0.00 1.31 0.00 0.00 15.53 0.12 03:20:32 21.55 2.85 16.58 2.11 214.69 3024.62 581.45 03:30:56 1.51 0.00 1.49 0.02 0.00 24.84 0.30 Average: 3.86 0.36 3.24 0.26 28.71 373.41 236.34 02:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6286744 7533304 286652 3.52 30552 1421904 527596 5.75 444772 1183240 124 02:20:02 6292812 7539936 280008 3.44 30780 1422232 527596 5.75 444956 1183796 180 02:30:32 6279468 7527196 292796 3.60 31008 1422588 527596 5.75 444996 1184380 120 02:40:01 6284772 7532980 287000 3.53 31188 1422884 527680 5.75 445028 1184856 124 02:50:52 6227136 7502096 317372 3.90 31600 1448872 725848 7.91 461836 1202484 132 03:00:22 6230308 7506636 312764 3.85 31816 1449968 725848 7.91 462752 1203116 196 03:10:01 6230308 7507100 312296 3.84 31988 1450256 753172 8.20 465880 1203576 280 03:20:32 5236148 7355784 415240 5.11 85424 2198332 857788 9.34 621948 1960112 200 03:30:56 5215712 7337412 433508 5.33 85592 2200224 868072 9.46 622880 1962172 124 Average: 6031490 7482494 326404 4.01 43328 1604140 671244 7.31 490561 1363081 164 02:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.19 0.05 0.12 0.01 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.43 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:32 ens3 1.19 0.03 12.06 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.52 0.06 1.00 0.04 0.00 0.00 0.00 0.00 02:50:52 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:52 ens3 0.43 0.20 2.90 0.04 0.00 0.00 0.00 0.00 03:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:22 ens3 0.32 0.10 0.11 0.06 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.32 0.23 0.07 0.52 0.00 0.00 0.00 0.00 03:20:32 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:20:32 ens3 62.49 43.58 299.40 10.89 0.00 0.00 0.00 0.00 03:30:56 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:56 ens3 12.51 11.43 103.30 1.06 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 9.17 6.45 48.46 1.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13112) 05/13/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:12 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.26 0.00 0.08 0.12 0.02 99.51 02:10:01 0 0.24 0.00 0.07 0.13 0.03 99.53 02:10:01 1 0.29 0.00 0.10 0.10 0.02 99.49 02:20:02 all 0.25 0.00 0.08 0.02 0.02 99.63 02:20:02 0 0.32 0.00 0.08 0.00 0.02 99.57 02:20:02 1 0.18 0.00 0.08 0.03 0.02 99.69 02:30:32 all 0.29 0.00 0.16 0.01 0.02 99.52 02:30:32 0 0.27 0.00 0.14 0.00 0.02 99.56 02:30:32 1 0.31 0.00 0.17 0.01 0.02 99.49 02:40:01 all 0.26 0.00 0.08 0.03 0.02 99.61 02:40:01 0 0.45 0.00 0.06 0.02 0.02 99.45 02:40:01 1 0.07 0.00 0.09 0.05 0.02 99.77 02:50:52 all 0.41 0.00 0.10 0.02 0.02 99.45 02:50:52 0 0.54 0.00 0.10 0.02 0.02 99.32 02:50:52 1 0.28 0.00 0.10 0.02 0.02 99.58 03:00:22 all 0.32 0.00 0.18 0.01 0.02 99.47 03:00:22 0 0.24 0.00 0.19 0.01 0.03 99.53 03:00:22 1 0.39 0.00 0.17 0.01 0.02 99.41 03:10:01 all 0.26 0.00 0.08 0.01 0.02 99.63 03:10:01 0 0.07 0.00 0.08 0.01 0.02 99.82 03:10:01 1 0.45 0.00 0.07 0.02 0.02 99.44 03:20:32 all 10.29 0.00 1.65 2.40 0.05 85.61 03:20:32 0 14.75 0.00 2.10 1.44 0.06 81.65 03:20:32 1 5.83 0.00 1.19 3.35 0.05 89.58 03:30:56 all 0.86 0.00 0.29 0.01 0.05 98.78 03:30:56 0 0.72 0.00 0.25 0.01 0.04 98.98 03:30:56 1 1.01 0.00 0.33 0.02 0.06 98.58 Average: all 1.52 0.00 0.31 0.30 0.03 97.84 Average: 0 2.03 0.00 0.35 0.19 0.03 97.40 Average: 1 1.01 0.00 0.26 0.42 0.03 98.29