---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26058 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 773 5101 4 2367 7168 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:c9:df:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7685sec preferred_lft 7685sec inet6 fe80::f816:3eff:fec9:df45/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26058) 06/10/26 _x86_64_ (2 CPU) 00:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:11 1.58 0.01 1.55 0.01 0.81 18.93 0.27 00:20:11 1.76 0.11 1.62 0.03 3.05 22.93 153.83 00:30:04 1.66 0.00 1.63 0.03 0.00 19.44 219.62 00:40:11 24.38 2.95 19.20 2.23 222.40 3404.84 880.18 Average: 7.41 0.78 6.05 0.58 57.23 876.58 315.43 00:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:11 6139860 7539816 268608 3.30 54004 1541828 537236 5.85 465504 1313104 400 00:20:11 6158616 7520180 288180 3.54 54160 1503228 534240 5.82 463096 1274452 136 00:30:04 6163984 7526180 281916 3.47 54312 1503692 589380 6.42 468432 1274936 216 00:40:11 5166452 7449344 306908 3.77 105060 2329180 559552 6.09 550780 2106056 244 Average: 5907228 7508880 286403 3.52 66884 1719482 555102 6.05 486953 1492137 249 00:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:11 ens3 0.41 0.06 0.09 0.03 0.00 0.00 0.00 0.00 00:20:11 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:11 ens3 0.68 0.07 0.10 0.02 0.00 0.00 0.00 0.00 00:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 0.73 0.14 0.19 0.09 0.00 0.00 0.00 0.00 00:40:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:11 ens3 99.28 71.92 320.42 17.09 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 25.57 18.26 81.15 4.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26058) 06/10/26 _x86_64_ (2 CPU) 00:00:11 CPU %user %nice %system %iowait %steal %idle 00:10:11 all 0.26 0.00 0.09 0.01 0.03 99.61 00:10:11 0 0.18 0.00 0.10 0.02 0.03 99.66 00:10:11 1 0.34 0.00 0.08 0.00 0.02 99.56 00:20:11 all 0.62 0.00 0.20 0.01 0.03 99.13 00:20:11 0 0.73 0.00 0.16 0.01 0.02 99.07 00:20:11 1 0.52 0.00 0.24 0.01 0.04 99.20 00:30:04 all 0.24 0.00 0.16 0.01 0.03 99.56 00:30:04 0 0.23 0.00 0.15 0.01 0.02 99.59 00:30:04 1 0.25 0.00 0.17 0.02 0.03 99.53 00:40:11 all 11.46 0.00 1.70 0.54 0.05 86.25 00:40:11 0 8.84 0.00 1.46 0.50 0.05 89.15 00:40:11 1 14.09 0.00 1.94 0.58 0.05 83.34 Average: all 3.18 0.00 0.54 0.15 0.03 96.10 Average: 0 2.52 0.00 0.47 0.14 0.03 96.84 Average: 1 3.84 0.00 0.61 0.15 0.03 95.36