---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22397 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 772 5207 4 2254 7169 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:73:99:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82467sec preferred_lft 82467sec inet6 fe80::f816:3eff:fe73:995c/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-22397) 06/02/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:40 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:14 14.66 0.01 1.53 13.12 0.21 18.56 114643.49 01:10:00 1.77 0.26 1.49 0.01 32.78 74.50 0.23 01:20:01 1.21 0.00 1.20 0.01 0.01 14.60 0.61 01:30:01 1.42 0.00 1.39 0.03 0.00 18.19 1.57 01:40:02 1.19 0.00 1.17 0.02 0.00 14.86 1.09 Average: 3.96 0.05 1.35 2.56 6.53 28.00 22210.77 00:50:40 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:14 6281668 7529008 291372 3.58 30644 1422572 528736 5.76 447420 1183484 164 01:10:00 6244636 7518912 301064 3.70 30972 1448824 528908 5.76 456724 1200988 124 01:20:01 6251972 7526796 293160 3.60 31180 1449160 529120 5.76 457164 1201524 252 01:30:01 6248628 7524020 295924 3.64 31404 1449480 529184 5.76 457140 1202076 196 01:40:02 6248628 7524688 295240 3.63 31612 1449944 529376 5.77 458084 1202612 268 Average: 6255106 7524685 295352 3.63 31162 1443996 529065 5.76 455306 1198137 201 00:50:40 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 0.64 0.06 0.09 0.04 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 0.96 0.30 8.19 0.08 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 0.52 0.09 0.12 0.05 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 0.46 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.73 0.27 0.22 0.70 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 0.66 0.15 1.72 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22397) 06/02/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:40 CPU %user %nice %system %iowait %steal %idle 01:00:14 all 0.26 0.00 0.19 0.03 0.03 99.50 01:00:14 0 0.08 0.00 0.20 0.05 0.03 99.65 01:00:14 1 0.44 0.00 0.17 0.02 0.02 99.35 01:10:00 all 0.35 0.00 0.11 0.02 0.02 99.50 01:10:00 0 0.17 0.00 0.10 0.01 0.02 99.69 01:10:00 1 0.52 0.00 0.11 0.03 0.02 99.31 01:20:01 all 0.25 0.00 0.09 0.01 0.02 99.63 01:20:01 0 0.12 0.00 0.09 0.00 0.02 99.76 01:20:01 1 0.39 0.00 0.08 0.02 0.02 99.49 01:30:01 all 0.26 0.00 0.17 0.01 0.03 99.53 01:30:01 0 0.14 0.00 0.18 0.00 0.03 99.65 01:30:01 1 0.39 0.00 0.15 0.01 0.03 99.42 01:40:02 all 0.28 0.00 0.07 0.01 0.02 99.62 01:40:02 0 0.37 0.00 0.05 0.02 0.02 99.55 01:40:02 1 0.20 0.00 0.08 0.00 0.03 99.69 Average: all 0.28 0.00 0.12 0.02 0.02 99.56 Average: 0 0.18 0.00 0.12 0.01 0.02 99.66 Average: 1 0.39 0.00 0.12 0.02 0.02 99.45