---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54139 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 744 5305 4 2180 7197 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:28:a0:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81798sec preferred_lft 81798sec inet6 fe80::f816:3eff:fe28:a0a5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54139) 03/30/26 _x86_64_ (2 CPU) 01:54:21 LINUX RESTART (2 CPU) 02:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 1.42 0.01 1.40 0.01 0.05 16.33 1.08 02:20:01 1.28 0.00 1.26 0.02 0.01 15.23 1.20 02:30:03 1.35 0.00 1.33 0.02 0.00 16.47 652.53 02:40:03 1.15 0.00 1.13 0.02 0.00 14.12 1.20 02:50:01 1.74 0.32 1.40 0.03 39.13 70.99 1.40 03:00:03 22.01 3.18 16.56 2.26 232.88 3116.47 865.68 03:10:03 3.41 0.05 2.74 0.61 2.11 118.65 2237.00 Average: 4.63 0.51 3.69 0.43 39.26 482.52 537.89 02:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 6284340 7534896 285296 3.51 30712 1425676 527672 5.75 446064 1187220 276 02:20:01 6283136 7534220 285964 3.52 30916 1426000 527880 5.75 446048 1187744 152 02:30:03 6285252 7536924 283232 3.48 31132 1426328 527904 5.75 446056 1188300 204 02:40:03 6285252 7537448 282732 3.48 31332 1426648 527972 5.75 446636 1188820 196 02:50:01 6224172 7505024 314528 3.87 31720 1454548 733660 7.99 463520 1206044 252 03:00:03 5340136 7452920 318456 3.92 85728 2191272 557080 6.07 552060 1950452 2584 03:10:03 5439808 7369932 410472 5.05 87100 2015332 646388 7.04 632180 1775612 24736 Average: 6020299 7495909 311526 3.83 46949 1623686 578365 6.30 490366 1383456 4057 02:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.50 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.92 0.04 10.21 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.66 0.17 0.23 0.14 0.00 0.00 0.00 0.00 02:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.44 0.20 3.05 0.03 0.00 0.00 0.00 0.00 03:00:03 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:03 ens3 35.07 25.87 292.61 7.84 0.00 0.00 0.00 0.00 03:10:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:10:03 ens3 9.13 5.17 8.44 3.45 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 6.72 4.52 45.07 1.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54139) 03/30/26 _x86_64_ (2 CPU) 01:54:21 LINUX RESTART (2 CPU) 02:00:03 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 0.25 0.00 0.08 0.01 0.03 99.63 02:10:03 0 0.11 0.00 0.08 0.00 0.03 99.77 02:10:03 1 0.39 0.00 0.07 0.02 0.03 99.49 02:20:01 all 0.26 0.00 0.09 0.04 0.02 99.59 02:20:01 0 0.44 0.00 0.08 0.01 0.02 99.45 02:20:01 1 0.08 0.00 0.10 0.07 0.03 99.73 02:30:03 all 0.28 0.00 0.17 0.01 0.02 99.52 02:30:03 0 0.47 0.00 0.14 0.00 0.01 99.37 02:30:03 1 0.09 0.00 0.19 0.01 0.02 99.68 02:40:03 all 0.28 0.00 0.08 0.01 0.02 99.61 02:40:03 0 0.32 0.00 0.08 0.00 0.03 99.56 02:40:03 1 0.24 0.00 0.07 0.01 0.02 99.66 02:50:01 all 0.37 0.00 0.11 0.02 0.02 99.48 02:50:01 0 0.42 0.00 0.08 0.02 0.02 99.46 02:50:01 1 0.32 0.00 0.13 0.03 0.03 99.49 03:00:03 all 10.72 0.00 1.71 0.58 0.05 86.94 03:00:03 0 8.21 0.00 1.55 0.32 0.04 89.88 03:00:03 1 13.24 0.00 1.88 0.83 0.05 84.00 03:10:03 all 2.32 0.00 0.33 0.04 0.05 97.27 03:10:03 0 3.66 0.00 0.43 0.06 0.04 95.81 03:10:03 1 0.97 0.00 0.22 0.02 0.06 98.73 Average: all 2.07 0.00 0.37 0.10 0.03 97.43 Average: 0 1.95 0.00 0.35 0.06 0.03 97.61 Average: 1 2.19 0.00 0.38 0.14 0.03 97.25