---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4128 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 748 5300 4 2181 7193 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:de:02:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80672sec preferred_lft 80672sec inet6 fe80::f816:3eff:fede:2e8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4128) 04/18/26 _x86_64_ (2 CPU) 00:37:30 LINUX RESTART (2 CPU) 00:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:11 1.38 0.02 1.35 0.00 1.24 16.35 0.00 01:00:01 14.92 0.33 1.83 12.76 39.83 77.46 111335.76 01:10:11 1.43 0.00 1.42 0.00 1.04 16.39 0.29 01:20:10 1.37 0.00 1.35 0.02 0.01 16.16 1.20 01:30:01 1.36 0.00 1.34 0.03 0.00 17.07 1.48 01:40:00 1.24 0.00 1.22 0.02 0.00 15.35 1.20 01:50:11 2.97 1.31 1.63 0.03 94.72 131.35 1.36 02:00:01 21.48 1.74 17.49 2.26 134.13 3043.90 912.87 02:10:10 1.35 0.00 1.32 0.03 0.00 22.14 1.31 Average: 5.22 0.38 3.19 1.66 29.99 367.72 12281.15 00:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:11 6299808 7545344 275332 3.39 30544 1420684 529944 5.77 442904 1183140 224 01:00:01 6262156 7536656 283268 3.48 30920 1448888 729552 7.95 459944 1200628 124 01:10:11 6269268 7544588 275504 3.39 31088 1449532 530876 5.78 457308 1201128 124 01:20:10 6281144 7557004 263076 3.23 31300 1449852 530964 5.78 457920 1201660 124 01:30:01 6264300 7540848 279212 3.43 31508 1450300 530980 5.78 457904 1202200 128 01:40:00 6264300 7541384 278680 3.43 31712 1450636 531108 5.78 458372 1202728 124 01:50:11 6024620 7403564 410440 5.05 39688 1539352 599748 6.53 550708 1286792 38452 02:00:01 5297892 7409108 362404 4.46 85300 2190004 691484 7.53 600700 1950124 320 02:10:10 5257272 7370464 401220 4.93 85416 2191868 666284 7.26 617656 1952104 160 Average: 6024529 7494329 314348 3.87 44164 1621235 593438 6.46 500380 1375612 4420 00:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 1.16 0.09 0.16 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.61 0.23 3.16 0.05 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.58 0.08 0.11 0.04 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.45 0.12 0.14 0.09 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 0.30 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.55 0.26 0.15 0.71 0.00 0.00 0.00 0.00 01:50:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 14.44 8.75 52.81 4.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.28 1.28 0.11 0.11 0.00 0.00 0.00 0.00 02:00:01 ens3 46.31 33.79 261.89 7.43 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 12.77 11.51 105.64 1.04 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 8.54 6.08 46.94 1.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4128) 04/18/26 _x86_64_ (2 CPU) 00:37:30 LINUX RESTART (2 CPU) 00:40:11 CPU %user %nice %system %iowait %steal %idle 00:50:11 all 0.24 0.00 0.09 0.04 0.03 99.61 00:50:11 0 0.41 0.00 0.07 0.01 0.02 99.49 00:50:11 1 0.07 0.00 0.10 0.08 0.03 99.73 01:00:01 all 0.40 0.00 0.21 0.05 0.02 99.32 01:00:01 0 0.52 0.00 0.19 0.07 0.02 99.20 01:00:01 1 0.27 0.00 0.23 0.03 0.03 99.44 01:10:11 all 0.24 0.00 0.07 0.01 0.02 99.64 01:10:11 0 0.26 0.00 0.07 0.01 0.02 99.63 01:10:11 1 0.23 0.00 0.08 0.02 0.02 99.65 01:20:10 all 0.24 0.00 0.07 0.02 0.03 99.65 01:20:10 0 0.35 0.00 0.06 0.01 0.03 99.55 01:20:10 1 0.12 0.00 0.08 0.04 0.03 99.74 01:30:01 all 0.25 0.00 0.16 0.02 0.03 99.54 01:30:01 0 0.24 0.00 0.17 0.03 0.03 99.54 01:30:01 1 0.27 0.00 0.15 0.01 0.03 99.54 01:40:00 all 0.27 0.00 0.07 0.02 0.03 99.61 01:40:00 0 0.07 0.00 0.08 0.03 0.04 99.79 01:40:00 1 0.47 0.00 0.06 0.00 0.03 99.44 01:50:11 all 1.10 0.00 0.22 0.05 0.03 98.61 01:50:11 0 1.46 0.00 0.24 0.05 0.03 98.22 01:50:11 1 0.74 0.00 0.20 0.04 0.03 98.99 02:00:01 all 10.32 0.00 1.66 0.62 0.07 87.33 02:00:01 0 10.88 0.00 1.65 0.31 0.08 87.09 02:00:01 1 9.77 0.00 1.68 0.93 0.06 87.57 02:10:10 all 0.85 0.00 0.20 0.01 0.05 98.90 02:10:10 0 1.10 0.00 0.29 0.01 0.07 98.54 02:10:10 1 0.60 0.00 0.11 0.01 0.03 99.26 Average: all 1.53 0.00 0.30 0.09 0.03 98.04 Average: 0 1.68 0.00 0.31 0.06 0.04 97.92 Average: 1 1.38 0.00 0.29 0.13 0.03 98.17