---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33526 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 8.2G 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 761 4885 4 2598 7180 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:30:e4:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82540sec preferred_lft 82540sec inet6 fe80::f816:3eff:fe30:e4db/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-33526) 07/07/26 _x86_64_ (2 CPU) 00:40:33 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.95 0.26 1.65 0.04 31.02 78.58 1.72 01:10:14 15.16 13.26 1.84 0.07 147.58 43.21 7.33 01:20:01 15.36 0.01 1.48 13.87 0.16 300.50 108868.11 01:30:01 1.51 0.00 1.50 0.01 0.00 152.86 0.23 01:40:14 1.22 0.00 1.22 0.00 0.00 16.87 0.00 Average: 7.01 2.75 1.54 2.73 36.22 116.84 21201.01 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5021508 7221808 545388 6.71 86032 2274996 973436 10.60 725948 2037472 204 01:10:14 4959484 7216096 542216 6.67 89360 2319792 1010336 11.00 746064 2084984 216 01:20:01 4848240 7191044 565948 6.96 89568 2404728 1043648 11.37 780176 2170080 1740 01:30:01 4584036 6966704 789556 9.71 89700 2443868 1126652 12.27 864048 2209376 196 01:40:14 4714224 7097632 658616 8.10 89852 2444452 1116976 12.17 853896 2209980 240 Average: 4825498 7138657 620345 7.63 88902 2377567 1054210 11.48 794026 2142378 519 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 22.90 20.32 385.58 1.37 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 63.14 49.89 1092.37 3.30 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 33.76 31.77 528.44 2.17 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 29.57 28.67 501.63 1.92 0.00 0.00 0.00 0.00 01:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 12.12 11.31 195.42 0.81 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 32.33 28.39 541.53 1.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33526) 07/07/26 _x86_64_ (2 CPU) 00:40:33 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.67 0.00 0.37 0.33 0.07 98.57 01:00:01 0 0.68 0.00 0.44 0.63 0.06 98.19 01:00:01 1 0.66 0.00 0.29 0.03 0.07 98.95 01:10:14 all 0.98 0.17 0.55 0.12 0.05 98.13 01:10:14 0 1.37 0.31 0.89 0.20 0.06 97.18 01:10:14 1 0.59 0.04 0.21 0.05 0.03 99.08 01:20:01 all 0.86 0.00 0.29 0.04 0.08 98.73 01:20:01 0 0.69 0.00 0.20 0.05 0.09 98.98 01:20:01 1 1.04 0.00 0.38 0.03 0.07 98.48 01:30:01 all 0.78 0.00 0.35 0.01 0.06 98.81 01:30:01 0 0.72 0.00 0.31 0.01 0.05 98.92 01:30:01 1 0.85 0.00 0.39 0.01 0.07 98.69 01:40:14 all 0.49 0.00 0.20 0.01 0.05 99.25 01:40:14 0 0.45 0.00 0.30 0.00 0.07 99.17 01:40:14 1 0.52 0.00 0.10 0.01 0.03 99.33 Average: all 0.76 0.04 0.35 0.10 0.06 98.70 Average: 0 0.78 0.06 0.43 0.18 0.06 98.48 Average: 1 0.73 0.01 0.27 0.03 0.05 98.91