---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64948 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: 5600.00 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 764 5272 4 2194 7177 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:45:99:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81584sec preferred_lft 81584sec inet6 fe80::f816:3eff:fe45:9935/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64948) 04/01/26 _x86_64_ (2 CPU) 00:40:51 LINUX RESTART (2 CPU) 00:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:14 1.40 0.01 1.37 0.02 0.05 16.61 436.53 01:10:14 1.70 0.32 1.35 0.03 39.01 70.16 1.40 01:20:14 1.28 0.01 1.26 0.01 1.07 15.29 0.29 01:30:14 1.42 0.00 1.41 0.01 0.00 16.97 0.27 01:40:14 13.78 0.00 1.23 12.55 0.15 14.48 109123.09 01:50:14 23.24 3.03 17.96 2.24 227.79 3114.69 950.68 02:00:14 3.70 0.05 2.99 0.66 2.11 147.52 2183.57 Average: 6.64 0.49 3.94 2.22 38.60 485.11 16099.47 00:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:14 6285488 7536432 283332 3.48 30708 1426064 532940 5.80 448636 1187376 136 01:10:14 6242296 7521912 297236 3.65 31072 1454004 738956 8.05 465824 1204616 216 01:20:14 6246004 7526452 292792 3.60 31240 1454648 533096 5.81 460508 1205116 180 01:30:14 6251376 7532348 286840 3.53 31408 1454976 533156 5.81 460684 1205612 136 01:40:14 6250912 7532536 286644 3.52 31552 1455476 534144 5.82 461828 1206100 184 01:50:14 5343636 7455620 315424 3.88 85024 2191172 571164 6.22 558604 1949712 2384 02:00:14 5429648 7373528 406496 5.00 86400 2029776 657376 7.16 645664 1789428 31740 Average: 6007051 7496975 309823 3.81 46772 1638017 585833 6.38 500250 1392566 4997 00:50:14 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 0.76 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 1.92 0.28 11.30 0.07 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 1.12 0.10 0.33 0.06 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 0.44 0.07 0.10 0.04 0.00 0.00 0.00 0.00 01:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 0.74 0.25 0.22 0.80 0.00 0.00 0.00 0.00 01:50:14 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:14 ens3 71.36 56.00 302.38 15.17 0.00 0.00 0.00 0.00 02:00:14 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 25.02 16.68 14.36 5.71 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.48 10.49 46.97 3.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64948) 04/01/26 _x86_64_ (2 CPU) 00:40:51 LINUX RESTART (2 CPU) 00:50:14 CPU %user %nice %system %iowait %steal %idle 01:00:14 all 0.27 0.00 0.17 0.47 0.03 99.05 01:00:14 0 0.25 0.00 0.16 0.02 0.04 99.54 01:00:14 1 0.30 0.00 0.18 0.93 0.03 98.56 01:10:14 all 0.36 0.00 0.12 0.19 0.03 99.30 01:10:14 0 0.15 0.00 0.12 0.20 0.03 99.51 01:10:14 1 0.58 0.00 0.12 0.18 0.02 99.10 01:20:14 all 0.26 0.00 0.07 0.01 0.03 99.63 01:20:14 0 0.41 0.00 0.06 0.01 0.03 99.50 01:20:14 1 0.10 0.00 0.09 0.01 0.03 99.77 01:30:14 all 0.25 0.00 0.15 0.01 0.03 99.56 01:30:14 0 0.25 0.00 0.15 0.01 0.03 99.55 01:30:14 1 0.26 0.00 0.15 0.01 0.03 99.56 01:40:14 all 0.21 0.00 0.08 0.03 0.03 99.65 01:40:14 0 0.33 0.00 0.08 0.06 0.02 99.51 01:40:14 1 0.10 0.00 0.07 0.01 0.03 99.79 01:50:14 all 10.86 0.00 1.67 0.74 0.05 86.68 01:50:14 0 10.93 0.00 1.54 0.73 0.04 86.76 01:50:14 1 10.80 0.00 1.79 0.76 0.05 86.59 02:00:14 all 6.55 0.00 0.71 0.05 0.06 92.64 02:00:14 0 6.98 0.00 0.76 0.10 0.06 92.11 02:00:14 1 6.11 0.00 0.66 0.01 0.06 93.16 Average: all 2.68 0.00 0.42 0.22 0.04 96.65 Average: 0 2.76 0.00 0.41 0.16 0.03 96.64 Average: 1 2.60 0.00 0.44 0.27 0.04 96.65