---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30321 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 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 743 5220 4 2270 7198 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:65:b1:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82289sec preferred_lft 82289sec inet6 fe80::f816:3eff:fe65:b184/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30321) 06/25/26 _x86_64_ (2 CPU) 00:40:23 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:12 1.45 0.01 1.43 0.02 0.05 17.28 436.79 01:10:06 13.93 0.00 1.23 12.69 0.15 14.86 110411.01 01:20:12 1.90 0.25 1.62 0.03 30.68 75.19 1.36 01:30:11 1.58 0.01 1.55 0.03 1.05 18.75 437.01 01:40:06 1.40 0.00 1.38 0.02 0.00 16.19 1.09 Average: 4.03 0.05 1.44 2.53 6.46 28.60 22064.42 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:12 6284504 7531064 289492 3.56 30688 1421544 528484 5.76 450072 1183564 136 01:10:06 6302292 7549424 271056 3.33 30880 1421916 528484 5.76 450228 1184100 184 01:20:12 6229432 7503592 316368 3.89 31256 1448220 726372 7.91 464920 1202016 132 01:30:11 6256536 7531596 288312 3.55 31476 1448864 528760 5.76 460096 1202568 192 01:40:06 6263876 7539580 280312 3.45 31664 1449316 528760 5.76 460320 1203080 188 Average: 6267328 7531051 289108 3.55 31193 1437972 568172 6.19 457127 1195066 166 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.58 0.09 0.08 0.04 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.99 0.06 6.14 0.03 0.00 0.00 0.00 0.00 01:20:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 1.07 0.25 4.27 0.07 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.42 0.19 0.08 0.58 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.40 0.10 0.11 0.06 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 0.69 0.14 2.14 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30321) 06/25/26 _x86_64_ (2 CPU) 00:40:23 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:12 all 0.29 0.00 0.15 0.01 0.04 99.50 01:00:12 0 0.28 0.00 0.13 0.01 0.03 99.55 01:00:12 1 0.30 0.00 0.18 0.02 0.04 99.46 01:10:06 all 0.27 0.00 0.08 0.03 0.04 99.58 01:10:06 0 0.44 0.00 0.06 0.01 0.03 99.46 01:10:06 1 0.10 0.00 0.11 0.05 0.05 99.70 01:20:12 all 0.39 0.00 0.09 0.02 0.04 99.46 01:20:12 0 0.59 0.00 0.06 0.02 0.03 99.29 01:20:12 1 0.18 0.00 0.12 0.02 0.04 99.63 01:30:11 all 0.28 0.00 0.16 0.01 0.04 99.51 01:30:11 0 0.38 0.00 0.14 0.01 0.03 99.44 01:30:11 1 0.18 0.00 0.18 0.01 0.05 99.58 01:40:06 all 0.25 0.00 0.06 0.01 0.04 99.65 01:40:06 0 0.04 0.00 0.08 0.02 0.05 99.81 01:40:06 1 0.45 0.00 0.04 0.01 0.02 99.48 Average: all 0.30 0.00 0.11 0.02 0.04 99.54 Average: 0 0.35 0.00 0.09 0.01 0.04 99.51 Average: 1 0.24 0.00 0.12 0.02 0.04 99.57