---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30589 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 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 764 5202 4 2267 7177 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:8a:78:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82404sec preferred_lft 82404sec inet6 fe80::f816:3eff:fe8a:78ce/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-30589) 06/26/26 _x86_64_ (2 CPU) 00:41:47 LINUX RESTART (2 CPU) 00:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.35 0.01 1.45 12.89 0.21 17.74 112653.37 01:10:23 1.80 0.25 1.53 0.03 30.90 72.98 1.39 01:20:23 1.26 0.00 1.25 0.00 0.01 15.15 0.24 01:30:01 1.34 0.00 1.32 0.01 0.00 16.28 452.68 01:40:23 1.14 0.00 1.14 0.00 0.00 14.57 0.00 Average: 3.90 0.05 1.34 2.51 6.44 27.71 21969.89 00:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6290796 7542448 278076 3.42 30712 1426548 519400 5.66 439648 1187680 128 01:10:23 6264528 7543544 276544 3.40 31092 1453176 533840 5.81 450536 1205612 188 01:20:23 6266804 7546340 273704 3.37 31280 1453500 567876 6.19 455640 1206124 140 01:30:01 6253980 7534024 285928 3.52 31432 1453824 567940 6.19 456820 1206600 160 01:40:23 6251964 7532656 287256 3.53 31620 1454280 568068 6.19 460652 1207116 184 Average: 6265614 7539802 280302 3.45 31227 1448266 551425 6.01 452659 1202626 160 00:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.64 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 1.65 0.54 12.02 0.16 0.00 0.00 0.00 0.00 01:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 0.72 0.31 0.17 0.66 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.30 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:23 ens3 0.63 0.13 0.21 0.12 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 0.79 0.23 2.60 0.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30589) 06/26/26 _x86_64_ (2 CPU) 00:41:47 LINUX RESTART (2 CPU) 00:50:18 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.19 0.03 0.03 99.47 01:00:01 0 0.40 0.00 0.17 0.01 0.02 99.39 01:00:01 1 0.16 0.00 0.21 0.05 0.03 99.56 01:10:23 all 0.41 0.00 0.11 0.02 0.03 99.44 01:10:23 0 0.62 0.00 0.12 0.02 0.02 99.21 01:10:23 1 0.20 0.00 0.09 0.02 0.03 99.66 01:20:23 all 0.22 0.00 0.08 0.14 0.02 99.54 01:20:23 0 0.26 0.00 0.08 0.27 0.02 99.36 01:20:23 1 0.19 0.00 0.08 0.00 0.02 99.71 01:30:01 all 0.28 0.00 0.15 0.04 0.02 99.51 01:30:01 0 0.18 0.00 0.15 0.07 0.02 99.58 01:30:01 1 0.37 0.00 0.16 0.01 0.02 99.45 01:40:23 all 0.24 0.00 0.06 0.01 0.02 99.67 01:40:23 0 0.41 0.00 0.04 0.01 0.01 99.53 01:40:23 1 0.07 0.00 0.08 0.01 0.03 99.81 Average: all 0.29 0.00 0.12 0.05 0.02 99.53 Average: 0 0.38 0.00 0.11 0.08 0.02 99.41 Average: 1 0.19 0.00 0.12 0.02 0.03 99.64