---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10578 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: 5600.00 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 756 5276 4 2198 7185 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:af:f4:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82867sec preferred_lft 82867sec inet6 fe80::f816:3eff:feaf:f4f5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10578) 05/03/26 _x86_64_ (2 CPU) 01:57:14 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.91 0.28 1.62 0.01 32.19 74.16 0.29 02:20:00 1.42 0.01 1.40 0.01 0.07 16.30 0.96 02:30:00 1.53 0.00 1.50 0.03 0.00 18.30 871.95 02:40:00 1.31 0.00 1.29 0.02 0.00 15.36 1.32 02:50:00 22.02 3.01 16.75 2.26 227.98 3184.27 504.07 Average: 5.64 0.66 4.51 0.47 52.06 661.75 275.72 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6236968 7514592 305032 3.75 30800 1452340 723460 7.88 457748 1204216 120 02:20:00 6236968 7515152 304456 3.74 31020 1452672 723624 7.88 457840 1204768 120 02:30:00 6250144 7528928 290600 3.57 31236 1453012 723616 7.88 457776 1205320 124 02:40:00 6249920 7529228 290296 3.57 31432 1453328 723704 7.88 458276 1205836 176 02:50:00 5278576 7403508 367552 4.52 84852 2204216 830868 9.05 599136 1964588 160 Average: 6050515 7498282 311587 3.83 41868 1603114 745054 8.12 486155 1356946 140 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 1.42 0.21 3.17 0.03 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.52 0.03 0.08 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.36 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.55 0.13 0.15 0.08 0.00 0.00 0.00 0.00 02:50:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:50:00 ens3 107.71 75.99 311.93 18.10 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 22.11 15.28 63.08 3.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10578) 05/03/26 _x86_64_ (2 CPU) 01:57:14 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.40 0.00 0.10 0.04 0.04 99.42 02:10:00 0 0.56 0.00 0.09 0.07 0.03 99.25 02:10:00 1 0.23 0.00 0.12 0.01 0.04 99.60 02:20:00 all 0.28 0.00 0.07 0.02 0.03 99.59 02:20:00 0 0.06 0.00 0.08 0.01 0.04 99.81 02:20:00 1 0.51 0.00 0.06 0.03 0.03 99.37 02:30:00 all 0.24 0.00 0.16 0.02 0.03 99.54 02:30:00 0 0.19 0.00 0.17 0.03 0.03 99.58 02:30:00 1 0.29 0.00 0.16 0.02 0.03 99.49 02:40:00 all 0.25 0.00 0.07 0.03 0.03 99.62 02:40:00 0 0.23 0.00 0.06 0.03 0.02 99.65 02:40:00 1 0.28 0.00 0.09 0.02 0.03 99.59 02:50:00 all 13.72 0.00 1.97 0.69 0.05 83.57 02:50:00 0 15.77 0.00 2.13 0.87 0.05 81.18 02:50:00 1 11.67 0.00 1.82 0.51 0.05 85.96 Average: all 2.97 0.00 0.48 0.16 0.04 96.35 Average: 0 3.36 0.00 0.50 0.20 0.04 95.90 Average: 1 2.59 0.00 0.45 0.12 0.04 96.81