---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15399 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 8.0G 30G 22% / 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 782 5167 4 2280 7159 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:3a:6f:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80903sec preferred_lft 80903sec inet6 fe80::f816:3eff:fe3a:6fb0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15399) 05/15/26 _x86_64_ (2 CPU) 04:38:35 LINUX RESTART (2 CPU) 04:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:04 1.43 0.02 1.40 0.00 1.24 16.75 0.12 05:00:04 1.56 0.01 1.53 0.02 0.05 19.08 654.64 05:10:04 1.30 0.00 1.29 0.02 0.00 15.11 1.09 05:20:04 1.18 0.00 1.17 0.02 0.01 14.03 1.08 05:30:04 1.33 0.00 1.30 0.03 0.00 17.01 654.87 05:40:04 1.88 0.26 1.59 0.03 32.03 74.65 1.44 05:50:04 23.06 3.02 17.84 2.20 228.05 3151.04 672.65 06:00:04 15.17 0.01 1.72 13.44 0.49 71.04 106681.35 06:10:04 6.74 0.08 4.96 1.70 5.79 536.87 2164.61 Average: 5.96 0.38 3.64 1.94 29.73 434.93 12310.64 04:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:04 6293564 7541436 279052 3.43 30552 1422988 528724 5.76 448080 1183116 184 05:00:04 6291316 7539756 280648 3.45 30768 1423320 528868 5.76 448784 1183664 176 05:10:04 6304476 7553448 266940 3.28 30980 1423644 528868 5.76 448588 1184192 232 05:20:04 6310336 7559848 260540 3.20 31180 1423968 528936 5.76 448624 1184724 224 05:30:04 6301548 7551628 268740 3.30 31404 1424300 530852 5.78 450596 1185280 256 05:40:04 6247336 7524536 295412 3.63 31808 1450688 529364 5.77 458900 1202860 236 05:50:04 5286740 7410924 360612 4.43 85160 2202964 639848 6.97 601700 1962940 300 06:00:04 5259468 7398704 372764 4.58 85328 2217864 650716 7.09 604400 1977848 432 06:10:04 5307904 7347668 432788 5.32 88688 2123064 677668 7.38 675156 1884924 29648 Average: 5955854 7491994 313055 3.85 49541 1679200 571538 6.23 509425 1438839 3521 04:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:04 ens3 1.85 0.09 0.24 0.04 0.00 0.00 0.00 0.00 05:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:04 ens3 0.72 0.11 0.19 0.10 0.00 0.00 0.00 0.00 05:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:04 ens3 1.18 0.02 10.00 0.01 0.00 0.00 0.00 0.00 05:20:04 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 05:20:04 ens3 0.76 0.06 1.12 0.03 0.00 0.00 0.00 0.00 05:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:04 ens3 0.36 0.21 0.08 0.54 0.00 0.00 0.00 0.00 05:40:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:40:04 ens3 0.69 0.33 3.24 0.10 0.00 0.00 0.00 0.00 05:50:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 05:50:04 ens3 63.35 42.85 303.47 10.92 0.00 0.00 0.00 0.00 06:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:04 ens3 43.14 38.93 9.50 5.30 0.00 0.00 0.00 0.00 06:10:04 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 06:10:04 ens3 38.88 34.76 27.65 20.58 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 16.77 13.04 39.48 4.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15399) 05/15/26 _x86_64_ (2 CPU) 04:38:35 LINUX RESTART (2 CPU) 04:40:02 CPU %user %nice %system %iowait %steal %idle 04:50:04 all 0.29 0.00 0.37 0.01 0.02 99.31 04:50:04 0 0.30 0.00 0.10 0.01 0.02 99.58 04:50:04 1 0.29 0.00 0.65 0.01 0.02 99.03 05:00:04 all 0.30 0.00 0.20 0.01 0.05 99.45 05:00:04 0 0.28 0.00 0.17 0.01 0.08 99.46 05:00:04 1 0.32 0.00 0.22 0.01 0.02 99.43 05:10:04 all 0.25 0.00 0.08 0.01 0.03 99.64 05:10:04 0 0.07 0.00 0.08 0.01 0.03 99.81 05:10:04 1 0.43 0.00 0.07 0.01 0.03 99.47 05:20:04 all 0.22 0.00 0.09 1.45 0.05 98.20 05:20:04 0 0.19 0.00 0.07 1.74 0.07 97.94 05:20:04 1 0.25 0.00 0.10 1.17 0.03 98.45 05:30:04 all 0.28 0.00 0.16 0.03 0.02 99.51 05:30:04 0 0.25 0.00 0.17 0.01 0.02 99.54 05:30:04 1 0.30 0.00 0.15 0.05 0.02 99.47 05:40:04 all 0.38 0.00 0.09 0.02 0.04 99.46 05:40:04 0 0.36 0.00 0.09 0.02 0.07 99.46 05:40:04 1 0.41 0.00 0.09 0.01 0.02 99.46 05:50:04 all 13.43 0.00 1.92 0.58 0.30 83.76 05:50:04 0 14.74 0.00 1.97 0.67 0.35 82.27 05:50:04 1 12.13 0.00 1.87 0.50 0.25 85.24 06:00:04 all 6.56 0.00 0.76 0.25 0.22 92.20 06:00:04 0 7.79 0.00 0.84 0.38 0.10 90.89 06:00:04 1 5.35 0.00 0.68 0.13 0.34 93.50 06:10:04 all 13.50 0.00 1.01 1.07 0.12 84.30 06:10:04 0 10.82 0.00 0.96 1.46 0.12 86.65 06:10:04 1 16.19 0.00 1.06 0.68 0.12 81.96 Average: all 3.90 0.00 0.52 0.38 0.09 95.11 Average: 0 3.85 0.00 0.49 0.48 0.09 95.08 Average: 1 3.95 0.00 0.54 0.28 0.09 95.13