---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31952 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 8.1G 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 789 4999 4 2447 7152 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:f2:30:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81015sec preferred_lft 81015sec inet6 fe80::f816:3eff:fef2:3089/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31952) 07/01/26 _x86_64_ (2 CPU) 01:56:56 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.21 0.03 1.19 0.00 1.24 14.55 0.12 02:20:01 13.99 0.01 1.45 12.53 0.21 16.80 109177.45 02:30:01 1.50 0.00 1.48 0.02 0.00 17.75 871.79 02:40:01 1.31 0.00 1.31 0.00 0.00 15.21 0.00 02:50:01 1.77 0.25 1.50 0.01 30.97 74.59 0.17 03:00:01 1.73 0.03 1.68 0.02 3.20 20.45 871.17 03:10:01 1.51 0.00 1.49 0.02 0.00 18.03 219.00 03:20:01 24.51 3.00 19.16 2.35 226.07 3705.08 661.32 Average: 5.94 0.42 3.66 1.87 32.71 485.31 13975.38 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6313744 7560508 259916 3.20 30584 1421872 528128 5.75 444780 1183308 160 02:20:01 6313212 7560548 259784 3.19 30776 1422244 528128 5.75 444860 1183844 216 02:30:01 6290908 7538752 281596 3.46 30944 1422572 528128 5.75 444800 1184340 168 02:40:01 6298020 7546316 274000 3.37 31096 1422896 531268 5.79 448300 1184788 180 02:50:01 6254672 7530144 289644 3.56 31428 1449376 729704 7.95 462684 1202720 272 03:00:01 6236696 7513720 306036 3.76 31640 1450668 531460 5.79 458636 1203340 156 03:10:01 6246104 7523732 295948 3.64 31876 1450996 531460 5.79 458944 1203932 156 03:20:01 5111916 7357428 409272 5.03 87232 2318340 691736 7.53 645808 2081456 8848 Average: 6133159 7516394 297024 3.65 38197 1544870 575002 6.26 476102 1303466 1270 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.87 0.06 0.10 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.42 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.04 0.06 5.11 0.02 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.63 0.12 0.79 0.09 0.00 0.00 0.00 0.00 02:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.48 0.24 3.21 0.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.47 0.30 0.13 0.61 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.24 0.08 0.07 0.04 0.00 0.00 0.00 0.00 03:20:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:20:01 ens3 78.05 60.10 353.23 15.15 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.28 7.62 45.34 2.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31952) 07/01/26 _x86_64_ (2 CPU) 01:56:56 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.25 0.00 0.08 1.07 0.01 98.59 02:10:01 0 0.43 0.00 0.06 0.01 0.01 99.50 02:10:01 1 0.08 0.00 0.10 2.14 0.01 97.68 02:20:01 all 0.29 0.00 0.09 0.10 0.01 99.51 02:20:01 0 0.25 0.00 0.08 0.02 0.01 99.64 02:20:01 1 0.33 0.00 0.10 0.17 0.01 99.39 02:30:01 all 0.29 0.00 0.18 0.03 0.01 99.49 02:30:01 0 0.09 0.00 0.18 0.04 0.01 99.69 02:30:01 1 0.49 0.00 0.18 0.02 0.02 99.29 02:40:01 all 0.31 0.00 0.08 0.02 0.01 99.58 02:40:01 0 0.22 0.00 0.08 0.01 0.01 99.67 02:40:01 1 0.39 0.00 0.09 0.03 0.01 99.49 02:50:01 all 0.41 0.00 0.11 0.02 0.01 99.44 02:50:01 0 0.52 0.00 0.07 0.01 0.01 99.40 02:50:01 1 0.31 0.00 0.16 0.04 0.02 99.48 03:00:01 all 0.29 0.00 0.20 0.01 0.01 99.48 03:00:01 0 0.26 0.00 0.19 0.01 0.01 99.53 03:00:01 1 0.33 0.00 0.21 0.01 0.01 99.44 03:10:01 all 0.28 0.00 0.08 0.01 0.01 99.62 03:10:01 0 0.50 0.00 0.06 0.01 0.01 99.43 03:10:01 1 0.06 0.00 0.10 0.02 0.01 99.81 03:20:01 all 17.27 0.00 1.85 0.73 0.06 80.09 03:20:01 0 19.24 0.00 1.88 0.70 0.06 78.12 03:20:01 1 15.31 0.00 1.81 0.77 0.05 82.05 Average: all 2.42 0.00 0.33 0.25 0.02 96.98 Average: 0 2.68 0.00 0.32 0.10 0.02 96.88 Average: 1 2.16 0.00 0.34 0.40 0.02 97.08