---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27305 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 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 788 5082 4 2363 7152 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:cf:e0:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80814sec preferred_lft 80814sec inet6 fe80::f816:3eff:fecf:e0fb/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-27305) 06/14/26 _x86_64_ (2 CPU) 01:47:26 LINUX RESTART (2 CPU) 01:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:16 14.65 0.28 1.83 12.55 32.34 78.26 109784.06 02:10:01 1.32 0.01 1.30 0.02 1.13 15.87 1.04 02:20:17 1.22 0.00 1.20 0.02 0.01 14.62 1.17 02:30:17 1.43 0.00 1.40 0.03 0.00 17.53 654.60 02:40:01 1.19 0.00 1.17 0.02 0.00 14.47 1.23 02:50:12 1.80 0.39 1.39 0.02 15.50 47.15 1.18 03:00:17 23.54 2.58 18.68 2.28 210.06 3436.83 869.93 03:10:01 1.39 0.00 1.39 0.00 0.00 61.94 0.03 03:20:17 6.46 0.08 4.73 1.65 5.63 526.00 1888.21 Average: 5.92 0.37 3.70 1.85 29.63 472.34 12586.84 01:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:16 6242428 7515776 304348 3.74 30756 1447916 725420 7.90 458216 1200432 172 02:10:01 6258080 7532272 287884 3.54 30948 1448552 529684 5.77 453100 1200952 268 02:20:17 6257856 7532580 287536 3.54 31152 1448876 529684 5.77 453156 1201480 164 02:30:17 6278868 7554148 265860 3.27 31348 1449212 529676 5.77 453116 1202008 184 02:40:01 6276136 7551944 268060 3.30 31540 1449540 529740 5.77 451072 1202532 268 02:50:12 6218624 7509804 309936 3.81 31872 1464356 568552 6.19 495356 1216036 220 03:00:17 5179492 7382516 384736 4.73 87036 2276268 671500 7.31 623504 2039040 2464 03:10:01 5165076 7379540 387672 4.77 87156 2287588 673964 7.34 625752 2050480 856 03:20:17 5244848 7363868 412372 5.07 90152 2197136 650160 7.08 646168 1961532 29040 Average: 5902379 7480272 323156 3.97 50218 1718827 600931 6.55 517716 1474944 3737 01:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 1.09 0.25 3.19 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.50 0.07 0.09 0.02 0.00 0.00 0.00 0.00 02:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 0.30 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:17 ens3 0.56 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.35 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 13.45 6.38 23.57 3.10 0.00 0.00 0.00 0.00 03:00:17 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:17 ens3 72.64 54.08 292.49 10.33 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 38.95 34.44 7.78 4.64 0.00 0.00 0.00 0.00 03:20:17 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 03:20:17 ens3 44.62 40.42 27.54 21.22 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 19.26 15.16 39.77 4.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27305) 06/14/26 _x86_64_ (2 CPU) 01:47:26 LINUX RESTART (2 CPU) 01:50:15 CPU %user %nice %system %iowait %steal %idle 02:00:16 all 0.42 0.00 0.20 0.04 0.02 99.32 02:00:16 0 0.42 0.00 0.18 0.03 0.02 99.35 02:00:16 1 0.41 0.00 0.23 0.06 0.02 99.29 02:10:01 all 0.25 0.00 0.08 0.01 0.02 99.65 02:10:01 0 0.22 0.00 0.08 0.01 0.02 99.68 02:10:01 1 0.27 0.00 0.09 0.01 0.02 99.62 02:20:17 all 0.25 0.00 0.07 0.01 0.02 99.65 02:20:17 0 0.45 0.00 0.05 0.00 0.01 99.48 02:20:17 1 0.05 0.00 0.09 0.01 0.02 99.82 02:30:17 all 0.28 0.00 0.16 0.01 0.02 99.53 02:30:17 0 0.39 0.00 0.15 0.01 0.01 99.44 02:30:17 1 0.17 0.00 0.17 0.02 0.02 99.63 02:40:01 all 0.28 0.00 0.07 0.02 0.02 99.61 02:40:01 0 0.39 0.00 0.07 0.03 0.01 99.49 02:40:01 1 0.17 0.00 0.08 0.00 0.02 99.73 02:50:12 all 0.50 0.00 0.12 0.02 0.02 99.35 02:50:12 0 0.69 0.00 0.06 0.02 0.01 99.21 02:50:12 1 0.30 0.00 0.17 0.02 0.02 99.49 03:00:17 all 14.68 0.00 1.99 0.85 0.06 82.42 03:00:17 0 12.01 0.00 1.71 0.87 0.06 85.36 03:00:17 1 17.36 0.00 2.27 0.83 0.07 79.48 03:10:01 all 5.86 0.00 0.56 0.02 0.05 93.51 03:10:01 0 6.09 0.00 0.54 0.01 0.05 93.31 03:10:01 1 5.64 0.00 0.58 0.03 0.05 93.70 03:20:17 all 12.40 0.00 0.92 0.11 0.05 86.51 03:20:17 0 13.28 0.00 0.97 0.11 0.06 85.59 03:20:17 1 11.52 0.00 0.87 0.12 0.05 87.44 Average: all 3.90 0.00 0.47 0.12 0.03 95.49 Average: 0 3.79 0.00 0.42 0.12 0.03 95.64 Average: 1 4.01 0.00 0.51 0.12 0.03 95.33