---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33091 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 22% / 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 768 5116 4 2356 7172 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:db:8b:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82032sec preferred_lft 82032sec inet6 fe80::f816:3eff:fedb:8b19/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33091) 07/05/26 _x86_64_ (2 CPU) 01:47:32 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 14.70 0.28 1.86 12.56 32.36 79.29 109625.74 02:10:00 1.40 0.01 1.38 0.01 1.11 16.91 0.89 02:20:00 1.43 0.00 1.41 0.02 0.01 17.04 1.23 02:30:00 1.78 0.02 1.72 0.04 2.15 21.20 1089.97 02:40:00 1.38 0.00 1.37 0.02 0.00 16.12 1.20 02:50:00 1.39 0.00 1.37 0.02 0.00 16.00 1.20 03:00:00 43.78 16.59 23.52 3.67 382.05 3778.56 2224.71 Average: 9.41 2.42 4.66 2.33 59.67 563.60 16134.78 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6227936 7501360 318496 3.92 30720 1448252 728076 7.93 460264 1200848 156 02:10:00 6235276 7509584 310264 3.82 30944 1448892 529400 5.77 455176 1201400 184 02:20:00 6243116 7518000 301676 3.71 31180 1449224 584476 6.37 460388 1201964 124 02:30:00 6248796 7524916 294856 3.63 31420 1450192 529400 5.77 455788 1202616 124 02:40:00 6248544 7525332 294424 3.62 31616 1450660 529400 5.77 456184 1203144 148 02:50:00 6249724 7527048 292708 3.60 31816 1450976 529628 5.77 454424 1203668 124 03:00:00 5273864 7375592 392168 4.82 92852 2169620 615776 6.71 614844 1936228 14828 Average: 6103894 7497405 314942 3.87 40078 1552545 578022 6.30 479581 1307124 2241 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.51 0.21 3.28 0.05 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.60 0.04 0.08 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 1.47 0.04 7.47 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.60 0.07 0.83 0.02 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.45 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.48 0.18 0.11 0.42 0.00 0.00 0.00 0.00 03:00:00 lo 1.36 1.36 0.09 0.09 0.00 0.00 0.00 0.00 03:00:00 ens3 128.10 109.31 395.10 36.81 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 19.03 15.70 58.14 5.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33091) 07/05/26 _x86_64_ (2 CPU) 01:47:32 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.41 0.00 0.22 0.07 0.04 99.26 02:00:00 0 0.47 0.00 0.22 0.06 0.04 99.21 02:00:00 1 0.35 0.00 0.22 0.09 0.04 99.30 02:10:00 all 0.22 0.00 0.08 0.03 0.04 99.63 02:10:00 0 0.06 0.00 0.09 0.05 0.05 99.76 02:10:00 1 0.38 0.00 0.06 0.02 0.04 99.51 02:20:00 all 0.24 0.00 0.08 0.03 0.04 99.61 02:20:00 0 0.06 0.00 0.10 0.04 0.04 99.76 02:20:00 1 0.43 0.00 0.06 0.02 0.04 99.46 02:30:00 all 0.29 0.00 0.18 0.04 0.04 99.45 02:30:00 0 0.29 0.00 0.16 0.05 0.04 99.47 02:30:00 1 0.30 0.00 0.20 0.02 0.04 99.43 02:40:00 all 0.25 0.00 0.07 0.03 0.04 99.61 02:40:00 0 0.45 0.00 0.06 0.05 0.03 99.41 02:40:00 1 0.04 0.00 0.08 0.02 0.05 99.82 02:50:00 all 0.28 0.00 0.06 0.02 0.04 99.59 02:50:00 0 0.46 0.00 0.05 0.01 0.03 99.45 02:50:00 1 0.10 0.00 0.08 0.03 0.05 99.74 03:00:00 all 21.73 0.19 2.40 1.60 0.08 73.99 03:00:00 0 15.19 0.29 2.18 1.53 0.09 80.72 03:00:00 1 28.28 0.10 2.62 1.67 0.08 67.25 Average: all 3.34 0.03 0.44 0.26 0.05 95.89 Average: 0 2.42 0.04 0.41 0.25 0.04 96.84 Average: 1 4.26 0.01 0.47 0.26 0.05 94.94