---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16631 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 761 5271 4 2197 7180 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:41:db:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82029sec preferred_lft 82029sec inet6 fe80::f816:3eff:fe41:db59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16631) 05/19/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.34 0.01 1.32 0.02 0.05 17.61 867.16 01:10:00 1.18 0.00 1.17 0.02 0.00 14.56 1.21 01:20:01 1.19 0.00 1.17 0.02 0.01 14.64 1.09 01:30:04 2.01 0.26 1.71 0.04 31.89 76.48 652.04 01:40:00 1.74 0.39 1.33 0.02 15.03 47.60 1.21 01:50:01 21.92 2.63 17.06 2.24 212.99 3172.91 543.15 Average: 4.90 0.55 3.96 0.39 43.36 557.56 345.60 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6292640 7540060 280460 3.45 30704 1422392 519324 5.66 443508 1183480 224 01:10:00 6291716 7539660 280856 3.45 30896 1422716 519272 5.66 443532 1183996 124 01:20:01 6292984 7541456 279072 3.43 31088 1423044 520968 5.67 445388 1184516 132 01:30:04 6247884 7523452 296556 3.65 31492 1449356 519492 5.66 453392 1202156 188 01:40:00 6202064 7492520 327284 4.02 31760 1463812 567428 6.18 511080 1215476 136 01:50:01 5269692 7394920 376468 4.63 85200 2203864 656428 7.15 615600 1964688 180 Average: 6099497 7505345 306783 3.77 40190 1564197 550485 6.00 485417 1322385 164 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.54 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.58 0.06 12.54 0.03 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 0.70 0.15 0.71 0.11 0.00 0.00 0.00 0.00 01:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.56 0.24 3.15 0.05 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 8.01 4.80 20.05 2.73 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 84.20 59.13 291.92 14.12 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 15.76 10.74 54.73 2.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16631) 05/19/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.29 0.00 0.17 0.01 0.02 99.50 01:00:04 0 0.37 0.00 0.17 0.01 0.02 99.43 01:00:04 1 0.22 0.00 0.17 0.01 0.02 99.57 01:10:00 all 0.24 0.00 0.07 0.01 0.02 99.66 01:10:00 0 0.41 0.00 0.07 0.01 0.02 99.49 01:10:00 1 0.06 0.00 0.08 0.01 0.02 99.83 01:20:01 all 0.28 0.00 0.08 0.01 0.03 99.60 01:20:01 0 0.26 0.00 0.09 0.00 0.02 99.62 01:20:01 1 0.30 0.00 0.07 0.01 0.03 99.59 01:30:04 all 0.41 0.00 0.19 0.02 0.02 99.36 01:30:04 0 0.39 0.00 0.22 0.02 0.03 99.34 01:30:04 1 0.43 0.00 0.16 0.02 0.02 99.37 01:40:00 all 0.55 0.00 0.09 0.01 0.02 99.33 01:40:00 0 0.61 0.00 0.08 0.02 0.02 99.28 01:40:00 1 0.48 0.00 0.11 0.01 0.03 99.38 01:50:01 all 13.63 0.00 1.94 0.54 0.05 83.84 01:50:01 0 11.00 0.00 1.73 0.41 0.05 86.80 01:50:01 1 16.27 0.00 2.14 0.66 0.06 80.88 Average: all 2.56 0.00 0.42 0.10 0.03 96.89 Average: 0 2.17 0.00 0.39 0.08 0.03 97.33 Average: 1 2.96 0.00 0.46 0.12 0.03 96.44