---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27455 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 744 5209 4 2279 7197 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:71:8c:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82135sec preferred_lft 82135sec inet6 fe80::f816:3eff:fe71:8cbb/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-27455) 06/15/26 _x86_64_ (2 CPU) 00:43:15 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 1.67 0.01 1.64 0.03 0.05 19.76 654.24 01:10:07 1.36 0.00 1.35 0.02 0.00 15.61 1.09 01:20:08 1.40 0.00 1.38 0.02 0.01 16.08 1.20 01:30:04 1.44 0.00 1.42 0.03 0.00 17.22 660.58 01:40:07 2.18 0.66 1.49 0.03 46.76 104.83 1.37 01:50:11 23.03 2.58 18.15 2.30 211.17 3406.70 571.03 Average: 5.20 0.54 4.25 0.40 43.22 599.70 314.41 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6278172 7529608 290948 3.58 30756 1426316 524672 5.71 448456 1187532 188 01:10:07 6297356 7549328 271236 3.34 30952 1426640 524824 5.72 448568 1188060 80 01:20:08 6296204 7548720 271820 3.34 31164 1426972 524960 5.72 448936 1188596 184 01:30:04 6289916 7542984 277580 3.41 31372 1427296 524888 5.72 448832 1189136 184 01:40:07 6216700 7511376 308304 3.79 31904 1467948 740392 8.06 499292 1219892 280 01:50:11 5204400 7408688 358572 4.41 86812 2277648 637404 6.94 598880 2040160 244 Average: 6097125 7515117 296410 3.64 40493 1575470 579523 6.31 482161 1335563 193 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 1.07 0.10 0.20 0.10 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.87 0.05 6.34 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.51 0.09 0.31 0.06 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 15.42 6.08 23.47 3.35 0.00 0.00 0.00 0.00 01:50:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:11 ens3 99.70 70.18 302.19 15.08 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 19.74 12.82 55.71 3.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27455) 06/15/26 _x86_64_ (2 CPU) 00:43:15 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.27 0.00 0.17 0.01 0.04 99.52 01:00:07 0 0.15 0.00 0.18 0.02 0.04 99.62 01:00:07 1 0.39 0.00 0.15 0.01 0.04 99.42 01:10:07 all 0.27 0.00 0.07 0.01 0.03 99.61 01:10:07 0 0.06 0.00 0.10 0.01 0.05 99.79 01:10:07 1 0.49 0.00 0.04 0.02 0.02 99.43 01:20:08 all 0.21 0.00 0.08 0.01 0.04 99.66 01:20:08 0 0.12 0.00 0.09 0.01 0.04 99.74 01:20:08 1 0.29 0.00 0.08 0.00 0.03 99.59 01:30:04 all 0.24 0.00 0.17 0.01 0.04 99.54 01:30:04 0 0.25 0.00 0.15 0.01 0.04 99.55 01:30:04 1 0.24 0.00 0.18 0.01 0.03 99.54 01:40:07 all 0.64 0.00 0.13 0.03 0.04 99.17 01:40:07 0 0.47 0.00 0.13 0.03 0.04 99.33 01:40:07 1 0.81 0.00 0.12 0.02 0.03 99.01 01:50:11 all 14.06 0.00 1.93 0.57 0.07 83.36 01:50:11 0 13.70 0.00 1.91 0.66 0.07 83.67 01:50:11 1 14.43 0.00 1.95 0.49 0.07 83.06 Average: all 2.63 0.00 0.42 0.11 0.04 96.80 Average: 0 2.47 0.00 0.43 0.12 0.04 96.94 Average: 1 2.79 0.00 0.42 0.09 0.04 96.66