---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36808 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 761 5190 4 2282 7180 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:d3:b5:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82121sec preferred_lft 82121sec inet6 fe80::f816:3eff:fed3:b59d/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-36808) 07/18/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.19 0.02 1.16 0.00 1.24 14.70 0.12 02:20:01 1.17 0.01 1.15 0.01 0.07 14.66 0.84 02:30:00 1.38 0.00 1.36 0.03 0.00 17.23 655.77 02:40:00 13.91 0.00 1.36 12.54 0.15 16.52 109163.04 02:50:00 1.82 0.25 1.54 0.03 30.97 76.07 1.39 03:00:01 1.60 0.00 1.56 0.03 1.05 19.30 871.40 Average: 3.51 0.05 1.35 2.11 5.58 26.41 18447.17 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6291156 7537780 282412 3.47 30548 1421960 532600 5.80 449936 1183240 144 02:20:01 6290908 7538088 282056 3.47 30764 1422288 532596 5.80 450016 1183784 152 02:30:00 6284972 7532684 287484 3.53 30956 1422616 532816 5.80 450132 1184304 124 02:40:00 6284524 7532840 287220 3.53 31176 1422988 532808 5.80 450420 1184868 124 02:50:00 6245132 7520760 298760 3.67 31552 1449556 733872 7.99 468224 1203048 136 03:00:01 6243376 7520016 299524 3.68 31776 1450324 533760 5.81 463464 1203600 124 Average: 6273345 7530361 289576 3.56 31129 1431622 566409 6.17 455365 1190474 134 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 1.57 0.05 0.18 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.41 0.05 0.06 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 0.47 0.08 1.08 0.03 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.79 0.09 0.90 0.06 0.00 0.00 0.00 0.00 02:50:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 1.02 0.58 3.32 0.48 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 0.36 0.12 0.14 0.08 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 0.77 0.16 0.94 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36808) 07/18/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.28 0.00 0.08 0.01 0.02 99.61 02:10:00 0 0.07 0.00 0.09 0.02 0.03 99.80 02:10:00 1 0.50 0.00 0.07 0.00 0.02 99.41 02:20:01 all 0.23 0.00 0.08 0.01 0.03 99.66 02:20:01 0 0.24 0.00 0.08 0.01 0.03 99.65 02:20:01 1 0.22 0.00 0.08 0.01 0.03 99.67 02:30:00 all 0.29 0.00 0.17 0.01 0.03 99.51 02:30:00 0 0.48 0.00 0.17 0.00 0.02 99.32 02:30:00 1 0.09 0.00 0.17 0.02 0.04 99.69 02:40:00 all 0.26 0.00 0.09 0.03 0.02 99.60 02:40:00 0 0.38 0.00 0.09 0.03 0.02 99.48 02:40:00 1 0.13 0.00 0.10 0.02 0.03 99.71 02:50:00 all 0.41 0.00 0.11 0.02 0.02 99.44 02:50:00 0 0.44 0.00 0.12 0.02 0.02 99.40 02:50:00 1 0.38 0.00 0.10 0.02 0.02 99.49 03:00:01 all 0.30 0.00 0.17 0.01 0.02 99.51 03:00:01 0 0.27 0.00 0.17 0.01 0.02 99.53 03:00:01 1 0.32 0.00 0.17 0.01 0.02 99.48 Average: all 0.29 0.00 0.12 0.01 0.02 99.55 Average: 0 0.31 0.00 0.12 0.02 0.02 99.53 Average: 1 0.27 0.00 0.11 0.01 0.03 99.58