---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28489 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 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 758 5121 4 2354 7183 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:68:07:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80523sec preferred_lft 80523sec inet6 fe80::f816:3eff:fe68:761/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28489) 06/19/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:30 2.00 0.25 1.73 0.02 29.68 74.76 208.87 01:10:33 1.42 0.00 1.41 0.00 1.05 16.53 0.05 01:20:00 1.38 0.00 1.37 0.01 0.01 16.22 1.02 01:30:30 1.56 0.00 1.54 0.03 0.00 18.78 1.41 01:40:33 1.58 0.00 1.56 0.02 0.00 18.81 1.29 01:50:12 1.87 0.42 1.45 0.01 16.42 49.42 0.51 02:00:00 38.06 2.65 19.23 16.17 216.16 3607.29 109619.83 02:10:30 1.37 0.00 1.37 0.00 0.00 65.54 0.03 Average: 6.04 0.41 3.65 1.98 32.29 472.34 13379.76 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:30 6250224 7524124 295944 3.64 30888 1448328 717104 7.81 458364 1201040 124 01:10:33 6272832 7547544 272624 3.35 31052 1448972 520868 5.67 455840 1201536 164 01:20:00 6271072 7546288 273868 3.37 31256 1449264 521016 5.67 456068 1202032 124 01:30:30 6275868 7551700 268408 3.30 31484 1449624 522252 5.69 457352 1202620 124 01:40:33 6280060 7556580 263540 3.24 31708 1450080 522252 5.69 457772 1203172 124 01:50:12 6239404 7530964 288792 3.55 32028 1464732 540900 5.89 482912 1216620 212 02:00:00 5203720 7405412 361736 4.45 87100 2274768 634280 6.91 600068 2037640 160 02:10:30 5187824 7405452 361668 4.45 87248 2290604 644616 7.02 602116 2053576 912 Average: 5997626 7508508 298322 3.67 45346 1659546 577911 6.29 496312 1414780 243 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:30 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:30 ens3 1.17 0.46 3.10 0.06 0.00 0.00 0.00 0.00 01:10:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:33 ens3 0.60 0.12 0.18 0.10 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.48 0.11 0.13 0.06 0.00 0.00 0.00 0.00 01:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:30 ens3 0.41 0.19 0.08 0.63 0.00 0.00 0.00 0.00 01:40:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:33 ens3 0.51 0.12 0.16 0.09 0.00 0.00 0.00 0.00 01:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:12 ens3 11.59 5.48 20.84 2.88 0.00 0.00 0.00 0.00 02:00:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:00 ens3 69.07 49.91 303.61 9.99 0.00 0.00 0.00 0.00 02:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:30 ens3 50.09 45.17 10.04 5.73 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.74 12.76 41.26 2.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28489) 06/19/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:30 all 0.36 0.00 0.19 0.02 0.02 99.41 01:00:30 0 0.43 0.00 0.16 0.01 0.01 99.38 01:00:30 1 0.28 0.00 0.23 0.03 0.02 99.44 01:10:33 all 0.32 0.00 0.07 0.01 0.02 99.58 01:10:33 0 0.57 0.00 0.06 0.01 0.01 99.35 01:10:33 1 0.06 0.00 0.09 0.01 0.02 99.81 01:20:00 all 0.25 0.00 0.08 0.01 0.02 99.65 01:20:00 0 0.41 0.00 0.07 0.01 0.02 99.50 01:20:00 1 0.09 0.00 0.08 0.01 0.02 99.79 01:30:30 all 0.26 0.00 0.15 0.01 0.02 99.56 01:30:30 0 0.08 0.00 0.17 0.01 0.02 99.72 01:30:30 1 0.45 0.00 0.13 0.00 0.01 99.40 01:40:33 all 0.24 0.00 0.08 0.01 0.02 99.65 01:40:33 0 0.25 0.00 0.09 0.02 0.01 99.63 01:40:33 1 0.24 0.00 0.07 0.00 0.02 99.67 01:50:12 all 0.55 0.00 0.10 0.01 0.02 99.32 01:50:12 0 0.32 0.00 0.14 0.02 0.02 99.51 01:50:12 1 0.78 0.00 0.07 0.01 0.01 99.13 02:00:00 all 14.30 0.00 2.00 0.54 0.06 83.11 02:00:00 0 12.58 0.00 2.08 0.50 0.06 84.78 02:00:00 1 16.02 0.00 1.93 0.57 0.05 81.43 02:10:30 all 6.47 0.00 0.53 0.01 0.06 92.94 02:10:30 0 5.66 0.00 0.52 0.01 0.06 93.76 02:10:30 1 7.28 0.00 0.53 0.01 0.05 92.13 Average: all 2.82 0.00 0.40 0.08 0.03 96.68 Average: 0 2.52 0.00 0.41 0.07 0.03 96.98 Average: 1 3.12 0.00 0.39 0.08 0.03 96.38