---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15693 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 815 5100 4 2315 7125 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:38:87:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83402sec preferred_lft 83402sec inet6 fe80::f816:3eff:fe38:879a/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-15693) 05/16/26 _x86_64_ (2 CPU) 02:57:47 LINUX RESTART (2 CPU) 03:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 12.32 1.41 9.56 1.35 116.57 1711.77 626.72 03:20:16 1.00 0.01 0.99 0.00 0.07 108.49 0.35 03:30:16 1.70 0.26 1.40 0.03 32.23 147.03 0.73 03:40:01 0.99 0.00 0.99 0.00 0.00 19.57 0.01 Average: 3.99 0.42 3.22 0.34 37.07 494.96 156.07 03:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5314156 7418496 353568 4.35 83936 2185012 673272 7.33 585888 1950712 2288 03:20:16 5241944 7376004 395744 4.87 84112 2214512 715800 7.80 627532 1980388 2392 03:30:16 5161652 7342424 428448 5.27 84392 2260260 692856 7.55 637792 2017392 120 03:40:01 5161652 7346384 424448 5.22 84532 2264032 692196 7.54 637328 2021296 1844 Average: 5219851 7370827 400552 4.93 84243 2230954 693531 7.55 622135 1992447 1661 03:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:10:01 ens3 95.45 78.58 55.05 13.37 0.00 0.00 0.00 0.00 03:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:16 ens3 13.65 13.91 13.12 1.14 0.00 0.00 0.00 0.00 03:30:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:16 ens3 14.19 13.98 18.17 1.25 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 24.17 23.80 5.04 1.72 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 36.69 32.42 22.83 4.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15693) 05/16/26 _x86_64_ (2 CPU) 02:57:47 LINUX RESTART (2 CPU) 03:00:05 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 7.87 0.00 1.37 0.60 0.05 90.11 03:10:01 0 8.43 0.00 1.40 0.46 0.05 89.66 03:10:01 1 7.32 0.00 1.33 0.74 0.05 90.56 03:20:16 all 4.16 0.00 0.59 0.01 0.06 95.17 03:20:16 0 3.93 0.00 0.53 0.00 0.06 95.48 03:20:16 1 4.40 0.00 0.66 0.01 0.07 94.86 03:30:16 all 4.09 0.00 0.65 0.12 0.06 95.07 03:30:16 0 3.56 0.00 0.55 0.08 0.06 95.76 03:30:16 1 4.63 0.00 0.75 0.17 0.07 94.38 03:40:01 all 1.62 0.00 0.33 0.01 0.06 97.98 03:40:01 0 1.87 0.00 0.42 0.01 0.05 97.65 03:40:01 1 1.38 0.00 0.24 0.01 0.06 98.30 Average: all 4.45 0.00 0.74 0.19 0.06 94.57 Average: 0 4.45 0.00 0.72 0.14 0.06 94.63 Average: 1 4.44 0.00 0.75 0.23 0.06 94.51