---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22095 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 789 5089 4 2355 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:a5:14:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80946sec preferred_lft 80946sec inet6 fe80::f816:3eff:fea5:1413/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22095) 06/01/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:22 1.49 0.03 1.45 0.02 1.24 18.13 436.51 02:10:22 1.25 0.01 1.23 0.02 0.05 15.37 1.09 02:20:22 1.19 0.00 1.17 0.02 0.01 14.52 1.20 02:30:22 1.42 0.00 1.39 0.03 0.00 17.43 437.23 02:40:22 1.19 0.00 1.17 0.01 0.00 14.80 1.08 02:50:22 14.79 0.66 1.56 12.57 48.01 106.58 109131.32 03:00:22 23.66 2.62 18.75 2.28 212.22 3420.64 702.27 03:10:22 1.41 0.00 1.40 0.00 0.35 64.56 0.03 Average: 5.80 0.41 3.52 1.87 32.74 459.01 13838.59 01:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:22 6298680 7545364 275268 3.38 30616 1421980 527196 5.74 440604 1183260 52 02:10:22 6288344 7535588 285032 3.50 30836 1422312 528848 5.76 440716 1183812 164 02:20:22 6288120 7535892 284724 3.50 31040 1422632 528852 5.76 440752 1184336 220 02:30:22 6284844 7533160 287372 3.53 31248 1422960 528992 5.76 440668 1184872 132 02:40:22 6284844 7533688 286832 3.53 31440 1423288 529064 5.76 441316 1185392 136 02:50:22 6213496 7504448 315272 3.88 31948 1464300 567712 6.18 491456 1216164 356 03:00:22 5172376 7371836 395840 4.87 86736 2273588 675040 7.35 623536 2036204 232 03:10:22 5157208 7371784 395872 4.87 86892 2288548 677368 7.38 626780 2051212 1036 Average: 5998489 7491470 315776 3.88 45094 1642451 570384 6.21 493228 1403156 291 01:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:22 ens3 1.16 0.07 0.24 0.03 0.00 0.00 0.00 0.00 02:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:22 ens3 0.45 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:22 ens3 0.28 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:22 ens3 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:22 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:22 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:22 ens3 15.69 7.06 27.20 3.15 0.00 0.00 0.00 0.00 03:00:22 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:22 ens3 67.80 50.22 295.38 9.92 0.00 0.00 0.00 0.00 03:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:22 ens3 47.64 43.46 10.35 5.74 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 16.69 12.62 41.67 2.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22095) 06/01/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:22 CPU %user %nice %system %iowait %steal %idle 02:00:22 all 0.30 0.00 0.17 0.09 0.03 99.42 02:00:22 0 0.34 0.00 0.18 0.16 0.02 99.31 02:00:22 1 0.26 0.00 0.16 0.01 0.03 99.54 02:10:22 all 0.29 0.00 0.08 0.15 0.05 99.43 02:10:22 0 0.23 0.00 0.07 0.26 0.06 99.39 02:10:22 1 0.36 0.00 0.09 0.05 0.04 99.47 02:20:22 all 0.25 0.00 0.08 0.01 0.02 99.64 02:20:22 0 0.05 0.00 0.09 0.01 0.03 99.83 02:20:22 1 0.45 0.00 0.07 0.01 0.02 99.46 02:30:22 all 0.26 0.00 0.16 0.02 0.02 99.55 02:30:22 0 0.07 0.00 0.17 0.01 0.02 99.73 02:30:22 1 0.44 0.00 0.15 0.03 0.02 99.36 02:40:22 all 0.24 0.00 0.07 0.01 0.02 99.65 02:40:22 0 0.29 0.00 0.07 0.00 0.02 99.62 02:40:22 1 0.19 0.00 0.08 0.02 0.03 99.69 02:50:22 all 0.68 0.00 0.17 0.05 0.03 99.08 02:50:22 0 0.79 0.00 0.14 0.03 0.02 99.02 02:50:22 1 0.57 0.00 0.19 0.07 0.04 99.13 03:00:22 all 14.66 0.00 2.01 0.52 0.07 82.74 03:00:22 0 19.29 0.00 2.39 0.63 0.07 77.61 03:00:22 1 10.04 0.00 1.62 0.41 0.06 87.87 03:10:22 all 6.04 0.00 0.58 0.11 0.08 93.18 03:10:22 0 5.97 0.00 0.55 0.03 0.07 93.39 03:10:22 1 6.12 0.00 0.61 0.19 0.10 92.98 Average: all 2.83 0.00 0.41 0.12 0.04 96.60 Average: 0 3.36 0.00 0.45 0.14 0.04 96.01 Average: 1 2.29 0.00 0.37 0.10 0.04 97.20