---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37125 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: 5600.00 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 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 777 5139 4 2318 7164 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:bf:18:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82161sec preferred_lft 82161sec inet6 fe80::f816:3eff:febf:1862/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37125) 07/19/26 _x86_64_ (2 CPU) 04:37:47 LINUX RESTART (2 CPU) 04:40:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:01 1.39 0.03 1.35 0.01 1.30 16.18 0.63 05:00:03 1.60 0.01 1.57 0.03 0.05 19.01 449.53 05:10:03 1.81 0.25 1.53 0.02 30.97 75.39 1.13 05:20:01 1.37 0.00 1.37 0.00 0.01 15.77 0.00 05:30:03 1.57 0.00 1.56 0.01 0.00 19.01 650.83 05:40:03 1.33 0.00 1.33 0.00 0.00 15.61 0.00 Average: 1.51 0.05 1.45 0.01 5.42 26.90 185.58 04:40:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:01 6285336 7531992 288428 3.55 30572 1421772 534000 5.82 453104 1183432 124 05:00:03 6292172 7539396 281016 3.46 30788 1422104 534152 5.82 455004 1183980 172 05:10:03 6229836 7504344 315620 3.88 31160 1448668 734332 8.00 469548 1202148 212 05:20:01 6229360 7504376 315580 3.88 31332 1448988 734428 8.00 469620 1202644 236 05:30:03 6224592 7500192 319648 3.93 31552 1449324 734572 8.00 469676 1203192 244 05:40:03 6232404 7508620 311248 3.83 31712 1449780 734636 8.00 469924 1203680 276 Average: 6248950 7514820 305257 3.75 31186 1440106 667687 7.27 464479 1196513 211 04:40:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:01 ens3 1.10 0.14 0.28 0.07 0.00 0.00 0.00 0.00 05:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:03 ens3 0.73 0.13 0.19 0.10 0.00 0.00 0.00 0.00 05:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:10:03 ens3 1.15 0.17 3.26 0.02 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 0.56 0.07 0.63 0.04 0.00 0.00 0.00 0.00 05:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:03 ens3 0.29 0.05 0.06 0.03 0.00 0.00 0.00 0.00 05:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:03 ens3 0.48 0.27 0.12 0.64 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 0.72 0.14 0.76 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37125) 07/19/26 _x86_64_ (2 CPU) 04:37:47 LINUX RESTART (2 CPU) 04:40:28 CPU %user %nice %system %iowait %steal %idle 04:50:01 all 0.29 0.00 0.09 0.01 0.03 99.59 04:50:01 0 0.24 0.00 0.08 0.02 0.02 99.64 04:50:01 1 0.34 0.00 0.09 0.00 0.03 99.54 05:00:03 all 0.30 0.00 0.18 5.22 0.16 94.14 05:00:03 0 0.25 0.00 0.17 2.83 0.13 96.62 05:00:03 1 0.35 0.00 0.19 7.60 0.19 91.66 05:10:03 all 0.45 0.00 0.13 0.14 0.04 99.24 05:10:03 0 0.43 0.00 0.16 0.18 0.04 99.20 05:10:03 1 0.47 0.00 0.10 0.10 0.05 99.29 05:20:01 all 0.28 0.00 0.08 0.51 0.02 99.11 05:20:01 0 0.20 0.00 0.09 0.52 0.02 99.16 05:20:01 1 0.36 0.00 0.08 0.50 0.02 99.05 05:30:03 all 0.30 0.00 0.18 0.02 0.02 99.48 05:30:03 0 0.24 0.00 0.18 0.00 0.01 99.56 05:30:03 1 0.35 0.00 0.18 0.04 0.02 99.41 05:40:03 all 0.27 0.00 0.08 0.01 0.02 99.63 05:40:03 0 0.08 0.00 0.09 0.02 0.01 99.80 05:40:03 1 0.46 0.00 0.07 0.01 0.02 99.45 Average: all 0.31 0.00 0.12 1.00 0.05 98.52 Average: 0 0.24 0.00 0.13 0.60 0.04 98.99 Average: 1 0.39 0.00 0.12 1.39 0.05 98.05