---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10244 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 788 5237 4 2204 7153 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:06:69:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81678sec preferred_lft 81678sec inet6 fe80::f816:3eff:fe06:6990/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10244) 05/02/26 _x86_64_ (2 CPU) 01:58:33 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:04 1.11 0.02 1.09 0.00 1.23 13.69 0.00 02:20:04 1.01 0.01 1.01 0.00 0.07 13.09 0.00 02:30:04 1.60 0.25 1.33 0.02 30.97 72.56 435.93 02:40:04 1.01 0.01 1.00 0.00 1.05 13.13 0.05 02:50:04 0.97 0.00 0.97 0.00 0.00 13.27 0.00 03:00:04 1.16 0.00 1.15 0.01 0.00 15.91 218.04 03:10:04 22.77 3.02 17.50 2.25 228.05 3174.16 1110.99 Average: 4.23 0.47 3.43 0.33 37.31 473.29 251.93 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:04 6271268 7528140 292028 3.59 30620 1432052 532852 5.80 449900 1186640 148 02:20:04 6270764 7528308 291832 3.59 30816 1432524 532876 5.80 450120 1187176 216 02:30:04 6225552 7509760 309916 3.81 31168 1458460 736876 8.03 464800 1204704 204 02:40:04 6240728 7525752 293932 3.61 31340 1459088 542532 5.91 459892 1205200 176 02:50:04 6240728 7526256 293416 3.61 31512 1459424 543264 5.92 459312 1205700 200 03:00:04 6236204 7522404 297224 3.65 31704 1459884 543276 5.92 459864 1206224 160 03:10:04 5256068 7384980 386232 4.75 85196 2207824 672188 7.32 621640 1962096 760 Average: 6105902 7503657 309226 3.80 38908 1558465 586266 6.39 480790 1308249 266 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 1.63 0.06 0.21 0.02 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.40 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 1.18 0.32 7.94 0.06 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.86 0.09 1.21 0.06 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.34 0.17 0.08 0.41 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.35 0.11 0.13 0.08 0.00 0.00 0.00 0.00 03:10:04 lo 1.29 1.29 0.09 0.09 0.00 0.00 0.00 0.00 03:10:04 ens3 106.08 73.55 311.46 17.43 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.82 10.61 45.83 2.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10244) 05/02/26 _x86_64_ (2 CPU) 01:58:33 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:04 all 0.23 0.00 0.07 0.01 0.03 99.66 02:10:04 0 0.39 0.00 0.07 0.01 0.02 99.50 02:10:04 1 0.07 0.00 0.08 0.00 0.03 99.82 02:20:04 all 0.24 0.00 0.08 0.01 0.02 99.65 02:20:04 0 0.14 0.00 0.10 0.01 0.02 99.74 02:20:04 1 0.34 0.00 0.07 0.01 0.02 99.57 02:30:04 all 0.41 0.00 0.20 0.02 0.02 99.35 02:30:04 0 0.42 0.00 0.23 0.03 0.02 99.30 02:30:04 1 0.39 0.00 0.17 0.01 0.02 99.41 02:40:04 all 0.29 0.00 0.08 0.01 0.02 99.60 02:40:04 0 0.11 0.00 0.10 0.02 0.02 99.76 02:40:04 1 0.47 0.00 0.07 0.00 0.02 99.44 02:50:04 all 0.29 0.00 0.07 0.01 0.02 99.61 02:50:04 0 0.46 0.00 0.04 0.00 0.01 99.49 02:50:04 1 0.12 0.00 0.10 0.02 0.03 99.73 03:00:04 all 0.25 0.00 0.17 0.06 0.02 99.50 03:00:04 0 0.42 0.00 0.16 0.10 0.01 99.32 03:00:04 1 0.09 0.00 0.18 0.02 0.03 99.69 03:10:04 all 12.53 0.00 1.95 0.60 0.05 84.88 03:10:04 0 8.74 0.00 1.54 0.44 0.05 89.24 03:10:04 1 16.31 0.00 2.36 0.76 0.05 80.51 Average: all 2.03 0.00 0.37 0.10 0.02 97.47 Average: 0 1.52 0.00 0.32 0.09 0.02 98.05 Average: 1 2.54 0.00 0.43 0.12 0.03 96.89