---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30591 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 8.0G 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 755 5208 4 2270 7186 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:42:8e:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82315sec preferred_lft 82315sec inet6 fe80::f816:3eff:fe42:8e64/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30591) 06/26/26 _x86_64_ (2 CPU) 00:41:49 LINUX RESTART (2 CPU) 00:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.57 0.01 1.55 0.01 0.05 18.55 449.43 01:10:22 1.31 0.00 1.31 0.00 0.00 16.07 0.00 01:20:22 1.36 0.00 1.36 0.00 0.01 16.32 0.12 01:30:01 1.45 0.00 1.44 0.01 0.00 17.89 452.11 01:40:22 1.78 0.24 1.53 0.01 29.90 73.61 0.17 Average: 1.49 0.05 1.44 0.01 6.20 28.86 174.27 00:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6284900 7531580 289108 3.55 30672 1421892 533056 5.81 440588 1183644 292 01:10:22 6286344 7533536 287140 3.53 30848 1422228 533456 5.81 441248 1184152 148 01:20:22 6291380 7539088 281588 3.46 31024 1422548 533456 5.81 441828 1184656 188 01:30:01 6284860 7533044 287560 3.54 31192 1422876 533584 5.81 441780 1185124 272 01:40:22 6241500 7516848 303328 3.73 31540 1449316 739908 8.06 456628 1203048 192 Average: 6277797 7530819 289745 3.56 31055 1427772 574692 6.26 444414 1188125 218 00:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.64 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 1.12 0.16 8.99 0.13 0.00 0.00 0.00 0.00 01:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:22 ens3 0.61 0.12 0.17 0.11 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.44 0.21 0.09 0.74 0.00 0.00 0.00 0.00 01:40:22 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:22 ens3 0.83 0.31 3.23 0.13 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 0.73 0.17 2.60 0.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30591) 06/26/26 _x86_64_ (2 CPU) 00:41:49 LINUX RESTART (2 CPU) 00:50:19 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.17 0.01 0.03 99.49 01:00:01 0 0.29 0.00 0.16 0.01 0.04 99.50 01:00:01 1 0.31 0.00 0.18 0.01 0.03 99.48 01:10:22 all 0.30 0.00 0.09 0.01 0.03 99.57 01:10:22 0 0.42 0.00 0.08 0.01 0.03 99.47 01:10:22 1 0.17 0.00 0.10 0.01 0.04 99.68 01:20:22 all 0.28 0.00 0.08 0.02 0.03 99.58 01:20:22 0 0.24 0.00 0.08 0.00 0.03 99.65 01:20:22 1 0.33 0.00 0.09 0.04 0.03 99.52 01:30:01 all 0.25 0.00 0.16 0.02 0.03 99.54 01:30:01 0 0.15 0.00 0.16 0.03 0.02 99.63 01:30:01 1 0.36 0.00 0.16 0.01 0.03 99.44 01:40:22 all 0.34 0.00 0.11 0.02 0.02 99.51 01:40:22 0 0.15 0.00 0.09 0.02 0.02 99.72 01:40:22 1 0.53 0.00 0.13 0.02 0.03 99.30 Average: all 0.30 0.00 0.12 0.01 0.03 99.54 Average: 0 0.25 0.00 0.11 0.01 0.03 99.60 Average: 1 0.34 0.00 0.13 0.02 0.03 99.48