---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3145 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 8.0G 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 748 5210 4 2271 7193 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:a4:64:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82008sec preferred_lft 82008sec inet6 fe80::f816:3eff:fea4:64d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3145) 04/16/26 _x86_64_ (2 CPU) 00:41:06 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 2.21 0.32 1.87 0.03 38.99 75.55 424.01 01:10:39 1.30 0.00 1.29 0.02 0.00 15.47 1.16 01:20:01 1.32 0.00 1.30 0.02 0.01 15.56 1.17 01:30:19 13.76 0.00 1.55 12.20 0.14 18.91 106380.33 01:40:15 1.86 0.40 1.45 0.02 15.92 49.11 1.21 01:50:01 24.44 2.70 19.44 2.30 218.15 3425.78 1852.80 Average: 7.46 0.56 4.41 2.48 44.87 587.12 18637.21 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6259436 7536156 283888 3.49 30920 1451072 523084 5.70 459776 1200540 224 01:10:39 6272444 7549704 270304 3.32 31128 1451400 523148 5.70 460152 1201076 168 01:20:01 6277892 7555648 264352 3.25 31328 1451692 523228 5.70 460572 1201568 132 01:30:19 6278176 7556576 263368 3.24 31540 1452100 523888 5.71 461428 1202160 232 01:40:15 6237664 7531268 288376 3.55 31884 1466900 540420 5.89 486016 1215648 260 01:50:01 5244256 7396172 375192 4.61 85232 2230696 706188 7.69 615288 1988656 256 Average: 6094978 7520921 290913 3.58 40339 1583977 556659 6.06 490539 1334941 212 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.79 0.22 3.05 0.05 0.00 0.00 0.00 0.00 01:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:39 ens3 1.11 0.05 10.65 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.05 0.10 1.31 0.06 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.39 0.17 0.08 0.47 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 11.86 5.27 20.39 2.73 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 67.64 49.68 314.78 12.25 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.53 9.05 57.20 2.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3145) 04/16/26 _x86_64_ (2 CPU) 00:41:06 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.40 0.00 0.19 0.03 0.03 99.35 01:00:19 0 0.35 0.00 0.18 0.03 0.03 99.42 01:00:19 1 0.45 0.00 0.20 0.03 0.03 99.29 01:10:39 all 0.25 0.00 0.07 0.01 0.04 99.63 01:10:39 0 0.40 0.00 0.07 0.00 0.03 99.49 01:10:39 1 0.10 0.00 0.07 0.01 0.04 99.77 01:20:01 all 0.24 0.00 0.07 0.01 0.04 99.64 01:20:01 0 0.20 0.00 0.06 0.01 0.04 99.68 01:20:01 1 0.28 0.00 0.07 0.01 0.04 99.59 01:30:19 all 0.28 0.00 0.16 0.03 0.04 99.50 01:30:19 0 0.11 0.00 0.15 0.01 0.04 99.69 01:30:19 1 0.44 0.00 0.17 0.05 0.04 99.31 01:40:15 all 0.50 0.00 0.08 0.02 0.04 99.36 01:40:15 0 0.29 0.00 0.09 0.01 0.05 99.57 01:40:15 1 0.71 0.00 0.08 0.03 0.03 99.15 01:50:01 all 15.99 0.00 1.75 0.55 0.07 81.64 01:50:01 0 12.64 0.00 1.74 0.57 0.07 84.99 01:50:01 1 19.34 0.00 1.77 0.53 0.08 78.28 Average: all 2.88 0.00 0.38 0.10 0.04 96.59 Average: 0 2.28 0.00 0.37 0.10 0.04 97.20 Average: 1 3.48 0.00 0.39 0.11 0.04 95.99