---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54143 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 741 5307 4 2181 7200 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:fb:88:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81937sec preferred_lft 81937sec inet6 fe80::f816:3eff:fefb:883b/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-54143) 03/30/26 _x86_64_ (2 CPU) 01:54:44 LINUX RESTART (2 CPU) 02:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:17 1.33 0.03 1.30 0.00 1.23 15.78 0.24 02:20:17 1.24 0.00 1.24 0.00 0.01 14.79 0.00 02:30:17 1.58 0.00 1.57 0.02 0.00 18.83 218.24 02:40:01 1.94 0.32 1.60 0.01 40.08 74.19 0.19 02:50:17 1.45 0.00 1.44 0.00 1.03 17.22 0.05 03:00:17 22.49 3.18 17.07 2.24 232.51 3144.19 1632.53 Average: 4.99 0.59 4.03 0.38 45.51 545.77 307.69 02:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:17 6283892 7530236 290208 3.57 30620 1421400 523812 5.71 446340 1183252 132 02:20:17 6296632 7543480 276964 3.41 30792 1421728 523848 5.71 446500 1183752 224 02:30:17 6305812 7553188 267240 3.29 30972 1422056 523964 5.71 446448 1184260 180 02:40:01 6246700 7522668 297104 3.65 31320 1449948 721480 7.86 463760 1201436 172 02:50:17 6247532 7524480 295400 3.63 31512 1450720 524108 5.71 458496 1201960 220 03:00:17 5356476 7464672 307136 3.78 85332 2186992 553012 6.02 549640 1946160 56 Average: 6122841 7523121 289009 3.55 40091 1558807 561704 6.12 468531 1316803 164 02:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 0.49 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 0.91 0.03 10.17 0.01 0.00 0.00 0.00 0.00 02:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:17 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.91 0.35 3.31 0.15 0.00 0.00 0.00 0.00 02:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:17 ens3 0.22 0.05 0.05 0.02 0.00 0.00 0.00 0.00 03:00:17 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:17 ens3 39.52 28.46 293.83 8.09 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 7.02 4.81 51.09 1.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54143) 03/30/26 _x86_64_ (2 CPU) 01:54:44 LINUX RESTART (2 CPU) 02:00:07 CPU %user %nice %system %iowait %steal %idle 02:10:17 all 0.26 0.00 0.07 0.01 0.03 99.62 02:10:17 0 0.42 0.00 0.07 0.01 0.02 99.48 02:10:17 1 0.11 0.00 0.08 0.01 0.04 99.76 02:20:17 all 0.27 0.00 0.10 0.07 0.03 99.54 02:20:17 0 0.46 0.00 0.07 0.11 0.02 99.34 02:20:17 1 0.09 0.00 0.12 0.03 0.03 99.74 02:30:17 all 0.27 0.00 0.17 0.01 0.02 99.53 02:30:17 0 0.44 0.00 0.15 0.02 0.02 99.37 02:30:17 1 0.09 0.00 0.19 0.01 0.03 99.68 02:40:01 all 0.38 0.00 0.14 0.03 0.02 99.43 02:40:01 0 0.45 0.00 0.14 0.02 0.02 99.37 02:40:01 1 0.31 0.00 0.14 0.03 0.03 99.49 02:50:17 all 0.25 0.00 0.08 0.01 0.02 99.63 02:50:17 0 0.08 0.00 0.08 0.00 0.02 99.81 02:50:17 1 0.42 0.00 0.08 0.02 0.02 99.45 03:00:17 all 10.80 0.00 1.71 0.59 0.05 86.85 03:00:17 0 8.20 0.00 1.46 0.55 0.05 89.75 03:00:17 1 13.40 0.00 1.95 0.64 0.05 83.95 Average: all 2.03 0.00 0.38 0.12 0.03 97.44 Average: 0 1.67 0.00 0.33 0.12 0.02 97.86 Average: 1 2.40 0.00 0.43 0.12 0.03 97.02