---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10543 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 5304 4 2184 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:c2:7d:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82016sec preferred_lft 82016sec inet6 fe80::f816:3eff:fec2:7de9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10543) 05/03/26 _x86_64_ (2 CPU) 00:42:16 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.94 0.26 1.66 0.03 31.02 69.34 871.87 01:10:02 1.30 0.01 1.30 0.00 1.05 22.18 0.05 01:20:01 1.20 0.00 1.18 0.01 0.01 14.56 0.72 01:30:02 13.89 0.00 1.31 12.57 0.15 17.44 109978.92 01:40:02 1.13 0.00 1.11 0.02 0.00 14.53 1.21 01:50:02 1.64 0.40 1.23 0.01 15.83 46.40 0.60 Average: 3.52 0.11 1.30 2.11 8.01 30.74 18477.92 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6230008 7508532 311444 3.83 30932 1452876 720968 7.85 460612 1204516 2152 01:10:02 6235716 7515056 304864 3.75 31088 1453516 526752 5.74 455564 1205000 124 01:20:01 6235716 7515584 304300 3.74 31284 1453840 526816 5.74 456288 1205520 252 01:30:02 6242612 7523108 296732 3.65 31508 1454220 526816 5.74 456040 1206096 144 01:40:02 6250176 7531356 288460 3.55 31724 1454684 526880 5.74 457052 1206640 256 01:50:02 6208096 7511464 307956 3.79 32024 1476304 569696 6.21 498016 1227008 7244 Average: 6233721 7517517 302293 3.72 31427 1457573 566321 6.17 463929 1209130 1695 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 1.24 0.25 3.21 0.05 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 1.49 0.05 6.74 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.54 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.46 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.65 0.21 0.13 0.48 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 11.83 6.42 35.85 2.72 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.70 1.18 7.69 0.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10543) 05/03/26 _x86_64_ (2 CPU) 00:42:16 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.39 0.00 0.19 0.02 0.03 99.35 01:00:02 0 0.54 0.00 0.19 0.02 0.03 99.23 01:00:02 1 0.25 0.00 0.20 0.03 0.04 99.48 01:10:02 all 0.27 0.00 0.08 0.01 0.03 99.61 01:10:02 0 0.27 0.00 0.08 0.00 0.03 99.61 01:10:02 1 0.28 0.00 0.07 0.02 0.03 99.61 01:20:01 all 0.25 0.00 0.08 0.01 0.03 99.63 01:20:01 0 0.20 0.00 0.09 0.01 0.03 99.67 01:20:01 1 0.29 0.00 0.07 0.01 0.04 99.59 01:30:02 all 0.30 0.00 0.18 0.03 0.03 99.46 01:30:02 0 0.23 0.00 0.19 0.02 0.03 99.54 01:30:02 1 0.36 0.00 0.17 0.05 0.03 99.39 01:40:02 all 0.28 0.00 0.06 0.01 0.03 99.62 01:40:02 0 0.07 0.00 0.08 0.03 0.03 99.80 01:40:02 1 0.49 0.00 0.05 0.00 0.02 99.44 01:50:02 all 0.51 0.00 0.11 0.02 0.03 99.34 01:50:02 0 0.35 0.00 0.14 0.02 0.03 99.47 01:50:02 1 0.67 0.00 0.09 0.01 0.03 99.20 Average: all 0.33 0.00 0.12 0.02 0.03 99.50 Average: 0 0.27 0.00 0.13 0.02 0.03 99.55 Average: 1 0.39 0.00 0.11 0.02 0.03 99.45