---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4522 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 820 5137 4 2273 7121 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:f1:b7:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82950sec preferred_lft 82950sec inet6 fe80::f816:3eff:fef1:b7e7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4522) 04/19/26 _x86_64_ (2 CPU) 02:02:52 LINUX RESTART (2 CPU) 02:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:22 14.92 0.02 1.48 13.43 0.69 28.79 106858.43 02:30:01 1.46 0.00 1.44 0.02 0.00 51.97 0.26 02:40:22 2.10 0.31 1.77 0.02 38.73 104.45 0.28 02:50:22 1.49 0.00 1.49 0.00 0.35 54.31 0.01 03:00:01 5.81 0.08 4.26 1.47 5.98 468.25 1755.78 Average: 5.16 0.08 2.07 3.00 9.44 139.68 21859.32 02:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:22 5310128 7392236 379512 4.67 84036 2162848 651060 7.09 596956 1931772 220 02:30:01 5285112 7377776 393832 4.84 84180 2173252 663252 7.22 608416 1942320 548 02:40:22 5232920 7363356 407976 5.02 84480 2210536 673784 7.34 622164 1968544 144 02:50:22 5227444 7369580 401572 4.94 84628 2221936 673916 7.34 622392 1979972 276 03:00:01 5243464 7286080 493296 6.07 87560 2126640 715164 7.79 722908 1885992 27996 Average: 5259814 7357806 415238 5.11 84977 2179042 675435 7.36 634567 1941720 5837 02:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:22 ens3 4.07 2.73 2.90 1.99 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 11.67 11.48 2.29 1.57 0.00 0.00 0.00 0.00 02:40:22 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:22 ens3 17.21 15.04 10.98 1.97 0.00 0.00 0.00 0.00 02:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:22 ens3 39.36 38.72 6.93 4.60 0.00 0.00 0.00 0.00 03:00:01 lo 1.07 1.07 0.07 0.07 0.00 0.00 0.00 0.00 03:00:01 ens3 26.76 23.37 20.63 25.02 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.81 18.26 8.73 6.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4522) 04/19/26 _x86_64_ (2 CPU) 02:02:52 LINUX RESTART (2 CPU) 02:10:22 CPU %user %nice %system %iowait %steal %idle 02:20:22 all 1.88 0.00 0.19 2.28 0.06 95.59 02:20:22 0 2.80 0.00 0.22 4.52 0.07 92.39 02:20:22 1 0.97 0.00 0.15 0.05 0.06 98.78 02:30:01 all 4.22 0.00 0.33 0.03 0.07 95.36 02:30:01 0 6.20 0.00 0.33 0.00 0.08 93.38 02:30:01 1 2.24 0.00 0.32 0.05 0.06 97.33 02:40:22 all 4.42 0.00 0.32 0.06 0.06 95.13 02:40:22 0 5.52 0.00 0.38 0.06 0.07 93.97 02:40:22 1 3.33 0.00 0.27 0.06 0.06 96.28 02:50:22 all 5.28 0.00 0.47 0.01 0.07 94.17 02:50:22 0 5.58 0.00 0.45 0.02 0.07 93.88 02:50:22 1 4.98 0.00 0.49 0.00 0.06 94.46 03:00:01 all 8.96 0.00 0.77 0.25 0.07 89.94 03:00:01 0 11.74 0.00 0.90 0.38 0.07 86.91 03:00:01 1 6.18 0.00 0.65 0.13 0.06 92.98 Average: all 4.93 0.00 0.41 0.53 0.07 94.06 Average: 0 6.33 0.00 0.45 1.00 0.07 92.14 Average: 1 3.53 0.00 0.37 0.06 0.06 95.98