---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35282 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 740 5223 4 2270 7201 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:b8:92:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81516sec preferred_lft 81516sec inet6 fe80::f816:3eff:feb8:926b/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-35282) 07/13/26 _x86_64_ (2 CPU) 00:35:56 LINUX RESTART (2 CPU) 00:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:17 1.91 0.27 1.62 0.02 31.69 75.36 1.00 01:00:01 1.62 0.01 1.59 0.02 1.14 18.78 447.83 01:10:17 1.26 0.00 1.26 0.00 0.00 14.56 0.00 01:20:17 1.22 0.00 1.21 0.00 0.01 14.51 0.00 01:30:01 1.55 0.03 1.51 0.02 2.20 18.43 447.41 01:40:17 1.25 0.00 1.25 0.00 0.00 15.20 0.00 01:50:07 14.68 0.41 1.50 12.77 16.22 49.86 111065.93 Average: 3.32 0.10 1.42 1.80 7.35 29.56 15714.37 00:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:17 6247320 7520596 299396 3.68 30800 1447784 730912 7.96 460632 1200952 168 01:00:01 6248576 7522696 297204 3.65 30992 1448428 531572 5.79 455568 1201464 188 01:10:17 6255492 7530120 289788 3.56 31152 1448756 531772 5.79 456188 1201964 168 01:20:17 6260452 7535556 284376 3.50 31300 1449080 532612 5.80 457196 1202436 172 01:30:01 6271696 7547960 271928 3.34 31480 1450052 532612 5.80 457584 1203008 176 01:40:17 6277996 7554900 264996 3.26 31640 1450508 532740 5.80 457840 1203516 212 01:50:07 6226528 7518544 300868 3.70 31972 1465200 605460 6.59 493252 1216984 224 Average: 6255437 7532910 286937 3.53 31334 1451401 571097 6.22 462609 1204332 187 00:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:17 ens3 2.41 0.53 3.31 0.09 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.52 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:17 ens3 1.28 0.06 8.60 0.04 0.00 0.00 0.00 0.00 01:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 0.75 0.24 0.73 0.56 0.00 0.00 0.00 0.00 01:30:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.33 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.53 0.12 0.14 0.07 0.00 0.00 0.00 0.00 01:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 11.57 6.01 20.46 2.93 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 2.46 1.00 4.76 0.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35282) 07/13/26 _x86_64_ (2 CPU) 00:35:56 LINUX RESTART (2 CPU) 00:40:07 CPU %user %nice %system %iowait %steal %idle 00:50:17 all 0.41 0.00 0.11 0.02 0.03 99.43 00:50:17 0 0.30 0.00 0.14 0.03 0.04 99.49 00:50:17 1 0.51 0.00 0.07 0.01 0.03 99.38 01:00:01 all 0.28 0.00 0.18 0.01 0.04 99.50 01:00:01 0 0.23 0.00 0.17 0.00 0.04 99.56 01:00:01 1 0.32 0.00 0.19 0.02 0.03 99.44 01:10:17 all 0.24 0.00 0.08 0.01 0.04 99.64 01:10:17 0 0.43 0.00 0.07 0.01 0.03 99.47 01:10:17 1 0.05 0.00 0.08 0.01 0.04 99.81 01:20:17 all 0.23 0.00 0.09 0.01 0.02 99.65 01:20:17 0 0.31 0.00 0.09 0.02 0.02 99.57 01:20:17 1 0.15 0.00 0.09 0.00 0.03 99.74 01:30:01 all 0.29 0.00 0.17 0.01 0.02 99.51 01:30:01 0 0.50 0.00 0.16 0.02 0.01 99.32 01:30:01 1 0.09 0.00 0.18 0.00 0.03 99.70 01:40:17 all 0.25 0.00 0.06 0.01 0.02 99.66 01:40:17 0 0.15 0.00 0.06 0.02 0.02 99.74 01:40:17 1 0.35 0.00 0.05 0.00 0.02 99.57 01:50:07 all 0.51 0.00 0.11 0.03 0.02 99.33 01:50:07 0 0.26 0.00 0.14 0.05 0.03 99.52 01:50:07 1 0.75 0.00 0.09 0.02 0.02 99.13 Average: all 0.31 0.00 0.11 0.01 0.03 99.53 Average: 0 0.31 0.00 0.12 0.02 0.03 99.52 Average: 1 0.32 0.00 0.10 0.01 0.03 99.54