---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37120 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 8.1G 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 754 4960 4 2528 7187 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:2a:a3:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81672sec preferred_lft 81672sec inet6 fe80::f816:3eff:fe2a:a35b/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-37120) 07/19/26 _x86_64_ (2 CPU) 04:37:35 LINUX RESTART (2 CPU) 04:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:00 1.25 0.03 1.22 0.00 1.24 15.27 0.12 05:00:00 2.03 0.26 1.73 0.04 31.03 79.17 872.24 05:10:00 1.23 0.01 1.21 0.02 1.05 15.08 0.92 05:20:00 1.27 0.00 1.27 0.00 0.01 16.55 0.03 05:30:00 1.35 0.00 1.33 0.02 0.00 17.44 1088.87 05:40:00 13.76 0.00 1.21 12.55 0.15 15.15 109126.14 05:50:00 38.50 16.40 19.87 2.22 376.47 3672.66 514.50 Average: 8.48 2.38 3.98 2.12 58.57 547.34 15943.26 04:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:00 6294588 7541976 278576 3.43 30572 1422492 523684 5.70 448840 1183320 160 05:00:00 6245116 7519836 300156 3.69 30968 1449068 724152 7.89 463852 1201520 184 05:10:00 6257732 7533280 286736 3.53 31164 1449696 524108 5.71 458628 1202036 164 05:20:00 6254984 7531080 288892 3.55 31368 1450040 579320 6.31 464108 1202576 164 05:30:00 6255700 7532324 287668 3.54 31548 1450360 524300 5.71 459012 1203088 176 05:40:00 6262784 7540084 279852 3.44 31724 1450860 524364 5.71 459268 1203608 164 05:50:00 5063624 7380408 376624 4.63 91240 2376572 657328 7.16 615684 2142628 6608 Average: 6090647 7511284 299786 3.69 39798 1578441 579608 6.31 481342 1334111 1089 04:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:00 ens3 1.55 0.12 0.32 0.06 0.00 0.00 0.00 0.00 05:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:00:00 ens3 0.93 0.30 3.36 0.11 0.00 0.00 0.00 0.00 05:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:00 ens3 0.35 0.03 0.05 0.01 0.00 0.00 0.00 0.00 05:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:00 ens3 0.50 0.16 0.10 0.55 0.00 0.00 0.00 0.00 05:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:00 ens3 0.29 0.06 0.06 0.03 0.00 0.00 0.00 0.00 05:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:00 ens3 0.36 0.09 0.11 0.05 0.00 0.00 0.00 0.00 05:50:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 05:50:00 ens3 81.62 56.06 358.76 14.83 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 12.23 8.12 51.82 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37120) 07/19/26 _x86_64_ (2 CPU) 04:37:35 LINUX RESTART (2 CPU) 04:40:00 CPU %user %nice %system %iowait %steal %idle 04:50:00 all 0.29 0.00 0.09 0.01 0.04 99.57 04:50:00 0 0.34 0.00 0.08 0.02 0.04 99.53 04:50:00 1 0.25 0.00 0.10 0.01 0.04 99.62 05:00:00 all 0.44 0.00 0.21 0.47 0.03 98.85 05:00:00 0 0.27 0.00 0.23 0.93 0.04 98.54 05:00:00 1 0.62 0.00 0.18 0.01 0.03 99.16 05:10:00 all 0.26 0.00 0.08 0.02 0.03 99.61 05:10:00 0 0.06 0.00 0.09 0.03 0.03 99.79 05:10:00 1 0.47 0.00 0.06 0.01 0.02 99.44 05:20:00 all 0.29 0.00 0.08 0.02 0.02 99.59 05:20:00 0 0.32 0.00 0.06 0.04 0.02 99.56 05:20:00 1 0.25 0.00 0.10 0.01 0.03 99.62 05:30:00 all 0.30 0.00 0.17 0.01 0.02 99.50 05:30:00 0 0.51 0.00 0.16 0.01 0.01 99.31 05:30:00 1 0.10 0.00 0.18 0.01 0.03 99.69 05:40:00 all 0.26 0.00 0.09 0.03 0.02 99.60 05:40:00 0 0.46 0.00 0.07 0.05 0.01 99.40 05:40:00 1 0.06 0.00 0.10 0.02 0.03 99.79 05:50:00 all 17.75 0.21 1.92 0.70 0.07 79.36 05:50:00 0 20.18 0.02 2.18 0.57 0.07 76.99 05:50:00 1 15.31 0.40 1.67 0.82 0.07 81.74 Average: all 2.79 0.03 0.37 0.18 0.03 96.59 Average: 0 3.16 0.00 0.41 0.23 0.03 96.17 Average: 1 2.43 0.06 0.34 0.13 0.03 97.01