---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64989 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 8.0G 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 773 5179 4 2278 7168 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:f8:c7:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80915sec preferred_lft 80915sec inet6 fe80::f816:3eff:fef8:c737/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64989) 04/01/26 _x86_64_ (2 CPU) 01:53:12 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.37 0.01 1.36 0.00 0.05 16.05 0.24 02:20:01 1.93 0.32 1.59 0.01 40.01 73.08 0.25 02:30:01 1.59 0.00 1.57 0.02 0.00 19.36 654.15 02:40:00 1.33 0.00 1.31 0.02 0.00 15.73 1.10 02:50:01 1.27 0.00 1.26 0.01 0.00 15.16 0.97 03:00:01 36.35 3.03 18.52 14.80 227.67 3096.04 109880.46 03:10:01 1.69 0.01 1.65 0.04 0.48 107.31 3.12 03:20:00 1.41 0.00 1.37 0.04 0.35 85.79 0.92 Average: 5.87 0.42 3.58 1.87 33.60 428.86 13828.04 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6284224 7534632 285668 3.51 30720 1425484 526668 5.74 441676 1187360 124 02:20:01 6231284 7510692 309104 3.80 31088 1453748 526792 5.74 453272 1204604 240 02:30:01 6231072 7511044 308776 3.80 31300 1454064 526980 5.74 453340 1205144 124 02:40:00 6231072 7511576 308236 3.79 31500 1454392 527044 5.74 453480 1205672 156 02:50:01 6231072 7512248 307588 3.78 31720 1454836 527108 5.74 453688 1206208 8 03:00:01 5346004 7457292 314420 3.87 84952 2190568 554548 6.04 549716 1949588 9304 03:10:01 5280000 7403560 368208 4.53 85120 2202772 650864 7.09 602788 1961952 160 03:20:00 5252724 7398900 372828 4.58 85332 2225180 645220 7.03 606112 1984452 2200 Average: 5885932 7479993 321854 3.96 51466 1732630 560653 6.11 501759 1488122 1540 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.44 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.01 0.20 10.77 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.28 0.06 0.23 0.02 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.31 0.08 0.10 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 0.15 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 52.07 35.83 296.76 10.85 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 37.93 30.61 8.19 4.05 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 43.46 42.30 9.68 6.00 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.96 13.64 40.76 2.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64989) 04/01/26 _x86_64_ (2 CPU) 01:53:12 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.26 0.00 0.08 0.04 0.03 99.59 02:10:00 0 0.09 0.00 0.09 0.04 0.03 99.74 02:10:00 1 0.42 0.00 0.07 0.04 0.03 99.44 02:20:01 all 0.33 0.00 0.12 0.06 0.03 99.46 02:20:01 0 0.28 0.00 0.13 0.11 0.03 99.45 02:20:01 1 0.39 0.00 0.10 0.01 0.03 99.47 02:30:01 all 0.28 0.00 0.17 0.06 0.02 99.46 02:30:01 0 0.25 0.00 0.17 0.11 0.02 99.45 02:30:01 1 0.31 0.00 0.17 0.02 0.03 99.47 02:40:00 all 0.27 0.00 0.07 0.34 0.03 99.29 02:40:00 0 0.09 0.00 0.08 0.60 0.03 99.19 02:40:00 1 0.46 0.00 0.06 0.08 0.02 99.38 02:50:01 all 0.24 0.00 0.08 0.06 0.03 99.60 02:50:01 0 0.05 0.00 0.09 0.08 0.03 99.75 02:50:01 1 0.42 0.00 0.06 0.05 0.02 99.45 03:00:01 all 10.97 0.00 1.77 1.27 0.05 85.94 03:00:01 0 13.14 0.00 2.09 1.46 0.06 83.25 03:00:01 1 8.80 0.00 1.46 1.07 0.05 88.62 03:10:01 all 5.93 0.00 0.59 0.03 0.09 93.36 03:10:01 0 7.60 0.00 0.74 0.00 0.09 91.56 03:10:01 1 4.26 0.00 0.43 0.06 0.08 95.15 03:20:00 all 8.11 0.00 0.58 0.03 0.06 91.23 03:20:00 0 8.54 0.00 0.57 0.01 0.06 90.82 03:20:00 1 7.68 0.00 0.59 0.04 0.06 91.64 Average: all 3.29 0.00 0.43 0.24 0.04 96.00 Average: 0 3.74 0.00 0.50 0.30 0.04 95.41 Average: 1 2.83 0.00 0.37 0.17 0.04 96.59