---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30627 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 8.1G 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 762 5028 4 2452 7179 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:3c:d4:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80971sec preferred_lft 80971sec inet6 fe80::f816:3eff:fe3c:d469/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30627) 06/26/26 _x86_64_ (2 CPU) 01:49:36 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 5.52 3.00 2.47 0.05 379.68 113.09 871.76 02:10:01 1.15 0.01 1.15 0.00 0.05 14.40 0.12 02:20:08 1.19 0.00 1.19 0.00 0.01 14.44 0.00 02:30:00 1.26 0.00 1.25 0.02 0.00 15.77 662.13 02:40:08 1.76 0.25 1.50 0.01 31.63 74.63 0.18 02:50:08 1.13 0.00 1.13 0.00 0.00 14.07 0.00 03:00:01 1.40 0.00 1.38 0.03 0.00 16.97 661.31 03:10:08 1.22 0.00 1.20 0.02 0.00 15.00 1.31 Average: 1.83 0.41 1.41 0.02 51.45 34.87 272.38 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6286236 7532536 288052 3.54 30536 1421460 535428 5.83 444640 1183140 292 02:10:01 6286236 7533040 287556 3.54 30700 1421796 535428 5.83 444844 1183640 172 02:20:08 6292592 7539876 280688 3.45 30856 1422120 535468 5.83 444952 1184120 124 02:30:00 6293628 7541416 279092 3.43 31016 1422452 535628 5.83 445024 1184612 216 02:40:08 6242416 7517652 302432 3.72 31360 1449208 535692 5.83 454520 1202500 204 02:50:08 6250004 7525748 294328 3.62 31520 1449532 535860 5.84 457856 1202992 132 03:00:01 6254548 7530836 289064 3.55 31720 1449848 535924 5.84 457908 1203508 192 03:10:08 6254548 7531372 288524 3.55 31908 1450188 535932 5.84 457968 1204036 132 Average: 6270026 7531560 288717 3.55 31202 1435826 535670 5.83 450964 1193568 183 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 12.10 6.11 35.99 1.81 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.43 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.50 0.03 1.75 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.28 0.06 0.06 0.02 0.00 0.00 0.00 0.00 02:40:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.63 0.26 3.20 0.07 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.66 0.28 0.21 0.61 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.35 0.09 0.11 0.06 0.00 0.00 0.00 0.00 03:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:08 ens3 0.21 0.05 0.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.90 0.87 5.19 0.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30627) 06/26/26 _x86_64_ (2 CPU) 01:49:36 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.89 0.00 0.42 0.51 0.03 98.15 02:00:01 0 0.73 0.00 0.43 0.11 0.03 98.70 02:00:01 1 1.06 0.00 0.40 0.91 0.03 97.60 02:10:01 all 0.29 0.00 0.09 0.05 0.02 99.56 02:10:01 0 0.49 0.00 0.07 0.00 0.02 99.42 02:10:01 1 0.09 0.00 0.10 0.10 0.02 99.69 02:20:08 all 0.25 0.00 0.09 0.04 0.02 99.60 02:20:08 0 0.08 0.00 0.09 0.04 0.01 99.77 02:20:08 1 0.43 0.00 0.09 0.04 0.02 99.43 02:30:00 all 0.26 0.00 0.18 0.03 0.02 99.51 02:30:00 0 0.24 0.00 0.19 0.05 0.02 99.50 02:30:00 1 0.29 0.00 0.17 0.01 0.02 99.52 02:40:08 all 0.39 0.00 0.10 0.02 0.02 99.46 02:40:08 0 0.50 0.00 0.07 0.02 0.02 99.39 02:40:08 1 0.27 0.00 0.13 0.03 0.02 99.54 02:50:08 all 0.32 0.00 0.08 0.01 0.02 99.58 02:50:08 0 0.33 0.00 0.08 0.00 0.02 99.58 02:50:08 1 0.31 0.00 0.09 0.01 0.02 99.57 03:00:01 all 0.26 0.00 0.16 0.03 0.02 99.54 03:00:01 0 0.26 0.00 0.15 0.01 0.02 99.57 03:00:01 1 0.26 0.00 0.17 0.05 0.02 99.51 03:10:08 all 0.25 0.00 0.07 0.07 0.01 99.59 03:10:08 0 0.33 0.00 0.04 0.12 0.01 99.50 03:10:08 1 0.17 0.00 0.10 0.02 0.02 99.69 Average: all 0.36 0.00 0.15 0.09 0.02 99.37 Average: 0 0.37 0.00 0.14 0.04 0.02 99.43 Average: 1 0.36 0.00 0.16 0.15 0.02 99.32