---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19197 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 733 5315 4 2181 7208 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:8f:6f:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82256sec preferred_lft 82256sec inet6 fe80::f816:3eff:fe8f:6f66/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19197) 05/23/26 _x86_64_ (2 CPU) 01:56:58 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:22 1.21 0.02 1.19 0.00 1.20 14.87 0.12 02:20:22 1.21 0.01 1.20 0.00 0.07 14.93 0.12 02:30:01 1.36 0.00 1.35 0.01 0.00 16.64 451.96 02:40:22 1.17 0.00 1.17 0.00 0.00 14.75 0.00 02:50:12 14.49 0.26 1.46 12.77 31.65 74.74 110985.83 03:00:01 1.39 0.00 1.38 0.01 0.00 16.92 444.27 Average: 3.43 0.05 1.29 2.10 5.40 25.29 18335.47 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:22 6280932 7532044 288372 3.55 30616 1426132 527996 5.75 450852 1187284 200 02:20:22 6292324 7543952 276488 3.40 30792 1426464 527952 5.75 450916 1187792 124 02:30:01 6282664 7534780 285600 3.51 30968 1426788 528020 5.75 450904 1188260 160 02:40:22 6281404 7534064 286364 3.52 31156 1427116 529648 5.77 452540 1188800 236 02:50:12 6247740 7527384 292512 3.60 31484 1453392 724140 7.89 466172 1206488 240 03:00:01 6242128 7522300 297464 3.66 31664 1453720 724576 7.89 467080 1206996 184 Average: 6271199 7532421 287800 3.54 31113 1435602 593722 6.47 456411 1194270 191 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:22 ens3 1.09 0.05 0.09 0.01 0.00 0.00 0.00 0.00 02:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:22 ens3 0.45 0.03 0.06 0.01 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 0.84 0.05 1.81 0.03 0.00 0.00 0.00 0.00 02:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:22 ens3 0.48 0.09 0.26 0.06 0.00 0.00 0.00 0.00 02:50:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 0.55 0.24 3.27 0.07 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 0.54 0.27 0.17 0.65 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 0.66 0.12 0.92 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19197) 05/23/26 _x86_64_ (2 CPU) 01:56:58 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:22 all 0.29 0.00 0.07 0.07 0.03 99.54 02:10:22 0 0.50 0.00 0.05 0.09 0.02 99.34 02:10:22 1 0.08 0.00 0.09 0.05 0.04 99.74 02:20:22 all 0.27 0.00 0.07 0.77 0.03 98.85 02:20:22 0 0.13 0.00 0.08 0.69 0.03 99.08 02:20:22 1 0.41 0.00 0.07 0.86 0.03 98.62 02:30:01 all 0.27 0.00 0.17 0.12 0.02 99.42 02:30:01 0 0.36 0.00 0.17 0.19 0.02 99.26 02:30:01 1 0.17 0.00 0.18 0.05 0.03 99.58 02:40:22 all 0.29 0.00 0.07 0.08 0.03 99.53 02:40:22 0 0.22 0.00 0.07 0.02 0.02 99.67 02:40:22 1 0.36 0.00 0.07 0.14 0.03 99.40 02:50:12 all 0.42 0.00 0.12 0.21 0.02 99.23 02:50:12 0 0.29 0.00 0.13 0.29 0.03 99.26 02:50:12 1 0.54 0.00 0.12 0.13 0.02 99.20 03:00:01 all 0.32 0.00 0.17 0.06 0.02 99.44 03:00:01 0 0.23 0.00 0.17 0.01 0.02 99.57 03:00:01 1 0.40 0.00 0.16 0.11 0.02 99.31 Average: all 0.31 0.00 0.11 0.22 0.03 99.34 Average: 0 0.29 0.00 0.11 0.21 0.02 99.37 Average: 1 0.33 0.00 0.11 0.22 0.03 99.31