---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6163 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 7.9G 30G 21% / 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 760 5302 4 2166 7181 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:4d:10:48 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 84185sec preferred_lft 84185sec inet6 fe80::f816:3eff:fe4d:1048/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6163) 03/20/26 _x86_64_ (2 CPU) 00:35:46 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.49 0.03 1.42 0.03 1.72 66.09 1.92 01:00:00 1.38 0.01 1.36 0.02 0.05 17.72 0.36 01:10:00 1.91 0.31 1.59 0.01 39.01 73.05 0.20 Average: 1.59 0.12 1.46 0.02 13.60 52.29 0.83 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5328588 7401664 370672 4.56 83792 2154248 627012 6.83 581420 1922476 152 01:00:00 5331444 7405016 367084 4.51 83936 2154596 627156 6.83 581564 1922968 184 01:10:00 5300824 7402680 368992 4.54 84224 2182476 817576 8.91 599016 1940080 124 Average: 5320285 7403120 368916 4.54 83984 2163773 690581 7.52 587333 1928508 153 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 2.35 0.71 0.55 0.15 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.61 0.21 0.11 0.05 0.00 0.00 0.00 0.00 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.28 0.44 3.26 0.15 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.41 0.45 1.31 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6163) 03/20/26 _x86_64_ (2 CPU) 00:35:46 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.48 0.00 0.15 0.01 0.06 99.30 00:50:00 0 0.48 0.00 0.18 0.01 0.08 99.24 00:50:00 1 0.48 0.00 0.11 0.01 0.04 99.36 01:00:00 all 0.40 0.00 0.23 0.01 0.05 99.31 01:00:00 0 0.31 0.00 0.28 0.01 0.07 99.32 01:00:00 1 0.49 0.00 0.19 0.00 0.03 99.29 01:10:00 all 0.53 0.00 0.16 0.02 0.06 99.24 01:10:00 0 0.71 0.00 0.15 0.02 0.05 99.06 01:10:00 1 0.34 0.00 0.16 0.02 0.06 99.41 Average: all 0.47 0.00 0.18 0.01 0.06 99.28 Average: 0 0.50 0.00 0.20 0.02 0.07 99.21 Average: 1 0.44 0.00 0.15 0.01 0.05 99.35