---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1016 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: 5599.94 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 746 5296 4 2187 7195 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:88:3c:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81774sec preferred_lft 81774sec inet6 fe80::f816:3eff:fe88:3c08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1016) 04/07/26 _x86_64_ (2 CPU) 15:56:30 LINUX RESTART (2 CPU) 16:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:11 1.28 0.03 1.25 0.00 1.24 15.21 0.12 16:20:11 1.20 0.01 1.19 0.00 0.07 14.72 0.12 16:30:12 1.36 0.00 1.35 0.01 0.00 16.29 653.63 16:40:12 14.35 0.32 1.48 12.56 39.16 72.23 109139.87 16:50:12 1.29 0.00 1.28 0.00 1.05 15.94 0.05 17:00:11 1.86 0.40 1.44 0.01 15.86 48.95 436.47 17:10:12 22.42 2.62 17.56 2.25 212.04 3111.61 934.19 Average: 6.26 0.48 3.65 2.12 38.53 471.42 15877.30 16:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:11 6276796 7522760 297712 3.66 30584 1421236 537604 5.86 446140 1183220 128 16:20:11 6283460 7529932 290584 3.57 30768 1421564 537644 5.86 446272 1183724 172 16:30:12 6278340 7525344 295124 3.63 30940 1421892 537840 5.86 446188 1184232 128 16:40:12 6242260 7518008 301724 3.71 31284 1449924 744308 8.11 463296 1201516 176 16:50:12 6252688 7529272 290592 3.57 31460 1450568 537852 5.86 457776 1202024 124 17:00:11 6212900 7504856 314616 3.87 31776 1465400 576040 6.27 498288 1215524 252 17:10:12 5292720 7405284 366348 4.50 84988 2191944 641636 6.99 598836 1951236 268 Average: 6119881 7505065 308100 3.79 38829 1546075 587561 6.40 479542 1303068 178 16:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:10:11 ens3 1.08 0.04 0.09 0.01 0.00 0.00 0.00 0.00 16:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:20:11 ens3 0.57 0.06 1.90 0.03 0.00 0.00 0.00 0.00 16:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:30:12 ens3 0.32 0.04 0.05 0.01 0.00 0.00 0.00 0.00 16:40:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 16:40:12 ens3 0.61 0.23 3.24 0.05 0.00 0.00 0.00 0.00 16:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:50:12 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 17:00:11 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 17:00:11 ens3 11.88 6.26 24.14 3.11 0.00 0.00 0.00 0.00 17:10:12 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 17:10:12 ens3 96.73 67.73 282.93 14.59 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 15.93 10.64 44.69 2.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1016) 04/07/26 _x86_64_ (2 CPU) 15:56:30 LINUX RESTART (2 CPU) 16:00:12 CPU %user %nice %system %iowait %steal %idle 16:10:11 all 0.24 0.00 0.07 0.02 0.03 99.64 16:10:11 0 0.42 0.00 0.06 0.03 0.03 99.46 16:10:11 1 0.05 0.00 0.08 0.01 0.04 99.82 16:20:11 all 0.23 0.00 0.08 0.01 0.04 99.65 16:20:11 0 0.27 0.00 0.07 0.01 0.03 99.63 16:20:11 1 0.18 0.00 0.09 0.02 0.04 99.67 16:30:12 all 0.32 0.00 0.17 0.01 0.04 99.47 16:30:12 0 0.44 0.00 0.15 0.01 0.03 99.38 16:30:12 1 0.20 0.00 0.19 0.01 0.04 99.56 16:40:12 all 0.34 0.00 0.12 0.05 0.04 99.44 16:40:12 0 0.42 0.00 0.13 0.06 0.04 99.35 16:40:12 1 0.27 0.00 0.11 0.04 0.04 99.53 16:50:12 all 0.25 0.00 0.07 0.01 0.04 99.63 16:50:12 0 0.05 0.00 0.08 0.01 0.04 99.82 16:50:12 1 0.45 0.00 0.06 0.02 0.04 99.43 17:00:11 all 0.51 0.00 0.19 0.02 0.04 99.25 17:00:11 0 0.61 0.00 0.19 0.02 0.04 99.15 17:00:11 1 0.41 0.00 0.18 0.02 0.04 99.35 17:10:12 all 13.56 0.00 1.92 0.73 0.07 83.72 17:10:12 0 18.19 0.00 2.33 0.84 0.07 78.57 17:10:12 1 8.93 0.00 1.50 0.63 0.07 88.87 Average: all 2.21 0.00 0.37 0.12 0.04 97.26 Average: 0 2.92 0.00 0.43 0.14 0.04 96.48 Average: 1 1.50 0.00 0.32 0.10 0.04 98.03