---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53648 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 738 5315 4 2176 7202 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:9c:2e:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80468sec preferred_lft 80468sec inet6 fe80::f816:3eff:fe9c:2e55/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53648) 03/28/26 _x86_64_ (2 CPU) 00:43:49 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:15 1.38 0.01 1.36 0.01 0.05 16.95 639.27 01:10:05 1.82 0.33 1.47 0.03 40.75 72.58 1.25 01:20:01 1.37 0.03 1.33 0.01 2.17 16.21 0.64 01:30:15 1.41 0.00 1.40 0.01 0.00 17.13 0.26 01:40:15 1.23 0.00 1.23 0.00 0.00 14.97 0.00 01:50:15 22.25 3.18 16.82 2.24 230.96 3124.20 764.79 02:00:05 1.63 0.01 1.61 0.02 0.49 30.97 0.53 02:10:35 14.17 0.00 1.34 12.83 0.14 15.99 101725.82 02:20:15 1.37 0.00 1.37 0.00 0.00 15.99 0.00 Average: 5.24 0.39 3.10 1.75 30.35 368.39 11994.56 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:15 6305668 7553008 267632 3.29 30640 1422408 525328 5.72 446704 1183388 132 01:10:05 6240652 7516976 303144 3.73 31028 1450620 525456 5.72 458172 1200612 184 01:20:01 6260244 7537740 282416 3.47 31220 1451588 525456 5.72 459256 1201212 124 01:30:15 6254788 7532828 287296 3.53 31396 1451916 525456 5.72 459196 1201716 120 01:40:15 6254788 7533456 286664 3.52 31564 1452372 525780 5.73 459740 1202212 132 01:50:15 5357532 7467212 304656 3.75 85632 2188124 556000 6.06 549928 1946588 2336 02:00:05 5307004 7417432 354328 4.36 85772 2188816 624924 6.81 592064 1947420 292 02:10:35 5310504 7421460 350264 4.31 85900 2189212 624924 6.81 592084 1947908 164 02:20:15 5311424 7422864 348992 4.29 86028 2189560 624924 6.81 592288 1948392 124 Average: 5844734 7489220 309488 3.81 55464 1776068 562028 6.12 512159 1531050 401 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.56 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 1.48 0.24 9.59 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.56 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.47 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.43 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:50:15 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:15 ens3 66.75 41.62 297.90 11.43 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 3.64 1.09 0.78 0.22 0.00 0.00 0.00 0.00 02:10:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:35 ens3 0.60 0.17 0.08 0.03 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 0.45 0.17 0.49 0.03 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 8.30 4.83 34.25 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53648) 03/28/26 _x86_64_ (2 CPU) 00:43:49 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:15 all 0.25 0.00 0.17 0.01 0.03 99.54 01:00:15 0 0.22 0.00 0.17 0.01 0.03 99.57 01:00:15 1 0.28 0.00 0.17 0.01 0.03 99.51 01:10:05 all 0.34 0.00 0.11 0.03 0.03 99.49 01:10:05 0 0.36 0.00 0.11 0.03 0.03 99.47 01:10:05 1 0.33 0.00 0.11 0.03 0.03 99.50 01:20:01 all 0.27 0.00 0.08 0.01 0.03 99.61 01:20:01 0 0.36 0.00 0.08 0.02 0.03 99.52 01:20:01 1 0.18 0.00 0.08 0.01 0.04 99.69 01:30:15 all 0.26 0.00 0.15 0.02 0.03 99.54 01:30:15 0 0.45 0.00 0.13 0.02 0.02 99.38 01:30:15 1 0.07 0.00 0.18 0.01 0.04 99.70 01:40:15 all 0.27 0.00 0.07 0.02 0.04 99.60 01:40:15 0 0.15 0.00 0.07 0.03 0.04 99.72 01:40:15 1 0.40 0.00 0.07 0.01 0.04 99.48 01:50:15 all 10.76 0.00 1.70 0.77 0.05 86.72 01:50:15 0 8.24 0.00 1.40 1.10 0.05 89.21 01:50:15 1 13.28 0.00 1.99 0.44 0.06 84.23 02:00:05 all 0.49 0.00 0.22 0.02 0.05 99.22 02:00:05 0 0.37 0.00 0.20 0.04 0.05 99.33 02:00:05 1 0.60 0.00 0.24 0.01 0.05 99.11 02:10:35 all 0.33 0.00 0.14 0.03 0.05 99.45 02:10:35 0 0.27 0.00 0.11 0.01 0.04 99.57 02:10:35 1 0.40 0.00 0.17 0.06 0.06 99.32 02:20:15 all 0.38 0.00 0.12 0.19 0.04 99.28 02:20:15 0 0.27 0.00 0.17 0.05 0.06 99.45 02:20:15 1 0.48 0.00 0.06 0.33 0.02 99.10 Average: all 1.48 0.00 0.31 0.12 0.04 98.05 Average: 0 1.18 0.00 0.27 0.15 0.04 98.36 Average: 1 1.77 0.00 0.34 0.10 0.04 97.75