---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2852 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 7.9G 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 756 5283 4 2190 7185 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:a2:81:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81913sec preferred_lft 81913sec inet6 fe80::f816:3eff:fea2:81d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2852) 04/15/26 _x86_64_ (2 CPU) 00:41:18 LINUX RESTART (2 CPU) 00:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 2.14 0.32 1.78 0.03 39.09 76.28 654.36 01:10:03 1.23 0.00 1.22 0.02 0.00 14.45 1.21 01:20:06 1.35 0.00 1.33 0.02 0.01 15.45 1.19 01:30:05 1.63 0.00 1.60 0.03 0.00 19.25 654.86 01:40:06 1.29 0.00 1.27 0.02 0.00 15.46 1.20 01:50:06 23.14 3.02 17.88 2.23 228.23 3123.74 696.22 Average: 5.13 0.56 4.18 0.39 44.57 544.32 334.82 00:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6232288 7507160 312612 3.84 30892 1449484 727184 7.92 464012 1200336 132 01:10:03 6243944 7519344 300388 3.69 31084 1449812 727184 7.92 465412 1200856 176 01:20:06 6247528 7523468 296280 3.64 31288 1450140 727360 7.92 465896 1201388 220 01:30:05 6238008 7514508 305268 3.75 31500 1450468 727392 7.92 465936 1201928 196 01:40:06 6246072 7523232 296580 3.65 31700 1450920 727584 7.92 466548 1202452 196 01:50:06 5284104 7398432 372896 4.59 85012 2193620 828364 9.02 602672 1952908 248 Average: 6081991 7497691 314004 3.86 40246 1574074 744178 8.11 488413 1326645 195 00:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.88 0.22 3.12 0.05 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.37 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.44 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.51 0.21 0.15 0.63 0.00 0.00 0.00 0.00 01:50:06 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 106.41 71.88 307.99 17.01 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 18.16 12.09 51.94 2.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2852) 04/15/26 _x86_64_ (2 CPU) 00:41:18 LINUX RESTART (2 CPU) 00:50:07 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.41 0.00 0.20 0.08 0.03 99.27 01:00:07 0 0.25 0.00 0.22 0.08 0.03 99.42 01:00:07 1 0.58 0.00 0.19 0.08 0.02 99.13 01:10:03 all 0.25 0.00 0.07 0.03 0.03 99.62 01:10:03 0 0.12 0.00 0.09 0.04 0.03 99.73 01:10:03 1 0.38 0.00 0.06 0.02 0.02 99.51 01:20:06 all 0.25 0.00 0.07 0.04 0.03 99.60 01:20:06 0 0.08 0.00 0.09 0.05 0.04 99.74 01:20:06 1 0.43 0.00 0.06 0.02 0.02 99.47 01:30:05 all 0.26 0.00 0.17 0.01 0.03 99.53 01:30:05 0 0.27 0.00 0.17 0.02 0.03 99.51 01:30:05 1 0.24 0.00 0.18 0.01 0.03 99.54 01:40:06 all 0.24 0.00 0.07 0.02 0.03 99.65 01:40:06 0 0.40 0.00 0.06 0.02 0.02 99.50 01:40:06 1 0.07 0.00 0.08 0.01 0.03 99.81 01:50:06 all 13.69 0.00 2.05 1.71 0.06 82.49 01:50:06 0 11.82 0.00 1.79 2.61 0.06 83.72 01:50:06 1 15.56 0.00 2.30 0.80 0.06 81.27 Average: all 2.52 0.00 0.44 0.31 0.03 96.70 Average: 0 2.16 0.00 0.40 0.47 0.03 96.94 Average: 1 2.87 0.00 0.48 0.16 0.03 96.46