---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54142 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 768 5223 4 2238 7173 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:67:94:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80762sec preferred_lft 80762sec inet6 fe80::f816:3eff:fe67:94ce/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-54142) 03/30/26 _x86_64_ (2 CPU) 01:54:51 LINUX RESTART (2 CPU) 02:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:14 1.47 0.03 1.43 0.01 1.27 16.83 0.94 02:20:04 1.33 0.00 1.31 0.02 0.01 15.92 1.22 02:30:04 2.21 0.32 1.85 0.04 39.01 76.52 655.14 02:40:04 1.40 0.01 1.38 0.02 1.05 16.95 1.13 02:50:04 1.36 0.00 1.34 0.02 0.00 16.48 0.47 03:00:04 22.39 3.18 16.96 2.25 232.51 3097.67 678.92 03:10:01 1.45 0.01 1.44 0.00 0.68 43.71 0.00 03:20:04 1.40 0.00 1.40 0.00 0.34 50.94 0.03 Average: 4.13 0.44 3.39 0.30 34.36 416.88 167.23 02:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:14 6290980 7542068 278576 3.43 30736 1425960 529152 5.76 446148 1187280 232 02:20:04 6290504 7542140 278484 3.42 30948 1426292 529176 5.76 446208 1187824 232 02:30:04 6230120 7510468 309444 3.81 31372 1454196 726720 7.92 463200 1205084 292 02:40:04 6238188 7519372 300660 3.70 31560 1454832 529408 5.77 457968 1205600 200 02:50:04 6245776 7527656 292364 3.59 31788 1455292 529408 5.77 456612 1206160 264 03:00:04 5360616 7473880 297936 3.66 85724 2191564 561820 6.12 540820 1950484 2448 03:10:01 5296900 7415092 356824 4.39 85872 2196448 645848 7.03 598424 1955496 432 03:20:04 5266940 7395580 376332 4.63 85992 2206748 675384 7.36 619432 1965832 660 Average: 5902503 7490782 311328 3.83 51749 1726416 590864 6.44 503602 1482970 595 02:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.52 0.05 0.07 0.02 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 1.01 0.03 10.33 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.38 0.18 3.03 0.03 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.68 0.16 0.24 0.14 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:04 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:04 ens3 37.71 26.97 293.66 7.96 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 8.13 5.01 1.45 1.45 0.00 0.00 0.00 0.00 03:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:04 ens3 12.11 8.96 2.16 3.79 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.60 5.18 38.85 1.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54142) 03/30/26 _x86_64_ (2 CPU) 01:54:51 LINUX RESTART (2 CPU) 02:00:04 CPU %user %nice %system %iowait %steal %idle 02:10:14 all 0.26 0.00 0.07 0.01 0.03 99.62 02:10:14 0 0.18 0.00 0.08 0.02 0.04 99.69 02:10:14 1 0.34 0.00 0.07 0.01 0.03 99.56 02:20:04 all 0.24 0.00 0.07 0.01 0.03 99.65 02:20:04 0 0.06 0.00 0.10 0.01 0.05 99.79 02:20:04 1 0.42 0.00 0.04 0.01 0.02 99.52 02:30:04 all 0.36 0.00 0.19 0.04 0.03 99.37 02:30:04 0 0.36 0.00 0.20 0.06 0.03 99.35 02:30:04 1 0.37 0.00 0.19 0.02 0.03 99.40 02:40:04 all 0.26 0.00 0.07 0.01 0.03 99.62 02:40:04 0 0.47 0.00 0.05 0.01 0.02 99.45 02:40:04 1 0.06 0.00 0.10 0.01 0.04 99.79 02:50:04 all 0.26 0.00 0.07 0.01 0.03 99.63 02:50:04 0 0.43 0.00 0.06 0.00 0.02 99.48 02:50:04 1 0.09 0.00 0.09 0.02 0.03 99.78 03:00:04 all 10.76 0.00 1.71 0.56 0.04 86.92 03:00:04 0 11.49 0.00 1.77 0.64 0.04 86.07 03:00:04 1 10.04 0.00 1.66 0.48 0.05 87.77 03:10:01 all 1.83 0.00 0.19 0.01 0.05 97.92 03:10:01 0 2.43 0.00 0.19 0.00 0.04 97.34 03:10:01 1 1.24 0.00 0.18 0.02 0.06 98.51 03:20:04 all 4.52 0.00 0.39 0.01 0.06 95.02 03:20:04 0 6.71 0.00 0.43 0.01 0.07 92.78 03:20:04 1 2.33 0.00 0.34 0.01 0.05 97.26 Average: all 2.31 0.00 0.35 0.08 0.04 97.22 Average: 0 2.77 0.00 0.36 0.09 0.04 96.74 Average: 1 1.86 0.00 0.33 0.07 0.04 97.70