---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37890 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 741 5212 4 2281 7200 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:a2:09:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82387sec preferred_lft 82387sec inet6 fe80::f816:3eff:fea2:975/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37890) 07/23/26 _x86_64_ (2 CPU) 00:40:00 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 1.39 0.01 1.36 0.02 0.05 17.38 643.86 01:10:00 1.73 0.26 1.45 0.03 31.50 69.07 1.40 01:20:20 1.38 0.01 1.37 0.00 1.03 23.02 0.17 01:30:10 14.29 0.00 1.51 12.77 0.15 18.62 110969.02 01:40:00 1.18 0.00 1.18 0.00 0.00 14.44 0.00 Average: 3.95 0.05 1.37 2.52 6.45 28.38 21955.13 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 6295140 7542372 278120 3.42 30680 1422212 528108 5.75 438104 1183584 124 01:10:00 6240616 7515100 304928 3.75 31044 1448748 728320 7.93 452604 1201720 2208 01:20:20 6254720 7530092 289964 3.57 31240 1449428 528436 5.76 454048 1202284 124 01:30:10 6255520 7531476 288504 3.55 31420 1449800 528428 5.76 454260 1202808 224 01:40:00 6255296 7531836 288140 3.54 31580 1450220 528564 5.76 455076 1203260 128 Average: 6260258 7530175 289931 3.57 31193 1444082 568371 6.19 450818 1198731 562 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.44 0.06 0.07 0.03 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 0.91 0.49 3.34 0.07 0.00 0.00 0.00 0.00 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 0.44 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.21 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.56 0.24 0.15 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 0.51 0.18 0.74 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37890) 07/23/26 _x86_64_ (2 CPU) 00:40:00 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 0.25 0.00 0.18 0.01 0.03 99.53 01:00:10 0 0.41 0.00 0.16 0.01 0.02 99.40 01:00:10 1 0.08 0.00 0.20 0.01 0.04 99.67 01:10:00 all 0.37 0.00 0.10 0.02 0.03 99.49 01:10:00 0 0.30 0.00 0.07 0.02 0.03 99.58 01:10:00 1 0.44 0.00 0.13 0.02 0.03 99.39 01:20:20 all 0.27 0.00 0.08 0.01 0.03 99.61 01:20:20 0 0.41 0.00 0.06 0.00 0.02 99.50 01:20:20 1 0.13 0.00 0.09 0.02 0.04 99.72 01:30:10 all 0.26 0.00 0.18 0.03 0.03 99.50 01:30:10 0 0.14 0.00 0.22 0.05 0.03 99.56 01:30:10 1 0.37 0.00 0.14 0.01 0.03 99.44 01:40:00 all 0.29 0.00 0.06 0.01 0.03 99.61 01:40:00 0 0.15 0.00 0.08 0.00 0.03 99.73 01:40:00 1 0.42 0.00 0.05 0.02 0.03 99.49 Average: all 0.29 0.00 0.12 0.02 0.03 99.55 Average: 0 0.29 0.00 0.12 0.02 0.03 99.55 Average: 1 0.28 0.00 0.12 0.02 0.03 99.54