---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1038 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 8.0G 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 789 5104 4 2344 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:d6:0e:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 57860sec preferred_lft 57860sec inet6 fe80::f816:3eff:fed6:ef9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1038) 04/08/26 _x86_64_ (2 CPU) 00:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:18 1.85 0.01 1.82 0.01 0.81 22.11 216.28 00:20:18 1.79 0.11 1.65 0.03 3.05 20.93 648.04 00:30:16 1.67 0.00 1.66 0.01 0.00 18.98 0.37 00:40:18 24.09 3.00 18.88 2.22 226.52 3144.71 534.91 00:50:16 1.67 0.00 1.65 0.02 0.00 57.87 1.11 01:00:18 1.82 0.00 1.79 0.03 0.35 97.66 1.98 Average: 5.49 0.52 4.58 0.39 38.57 562.02 234.06 00:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:18 6174808 7529012 281004 3.46 41984 1508820 577652 6.29 465648 1268416 160 00:20:18 6166608 7509192 300896 3.70 42180 1496884 520544 5.67 460048 1256492 220 00:30:16 6169740 7512952 296984 3.65 42344 1497336 520584 5.67 460232 1256980 216 00:40:18 5226192 7398928 363092 4.46 94040 2234300 634424 6.91 600812 2000176 1048 00:50:16 5206364 7390540 371580 4.57 94196 2245616 657692 7.16 607480 2011688 336 01:00:18 5187584 7396244 365780 4.50 94376 2269908 653016 7.11 610776 2036048 1728 Average: 5688549 7456145 329889 4.06 68187 1875477 593985 6.47 534166 1638300 618 00:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:18 ens3 0.22 0.04 0.07 0.03 0.00 0.00 0.00 0.00 00:20:18 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:18 ens3 0.14 0.04 0.04 0.01 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.53 0.13 0.18 0.10 0.00 0.00 0.00 0.00 00:40:18 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:18 ens3 57.73 40.56 297.31 12.32 0.00 0.00 0.00 0.00 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 38.84 31.78 7.82 4.04 0.00 0.00 0.00 0.00 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 46.38 45.20 10.30 6.35 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 24.01 19.65 52.77 3.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1038) 04/08/26 _x86_64_ (2 CPU) 00:00:18 CPU %user %nice %system %iowait %steal %idle 00:10:18 all 0.26 0.00 0.12 0.02 0.04 99.58 00:10:18 0 0.10 0.00 0.12 0.03 0.04 99.71 00:10:18 1 0.41 0.00 0.12 0.01 0.03 99.44 00:20:18 all 0.51 0.00 0.20 0.01 0.03 99.24 00:20:18 0 0.49 0.00 0.21 0.02 0.04 99.24 00:20:18 1 0.53 0.00 0.19 0.01 0.03 99.24 00:30:16 all 0.24 0.00 0.16 0.01 0.03 99.56 00:30:16 0 0.07 0.00 0.17 0.01 0.04 99.72 00:30:16 1 0.41 0.00 0.14 0.01 0.03 99.41 00:40:18 all 11.35 0.00 1.67 1.77 0.05 85.16 00:40:18 0 14.42 0.00 1.91 1.52 0.06 82.10 00:40:18 1 8.27 0.00 1.44 2.02 0.05 88.22 00:50:16 all 6.12 0.00 0.50 0.03 0.06 93.29 00:50:16 0 5.37 0.00 0.47 0.03 0.06 94.08 00:50:16 1 6.87 0.00 0.53 0.03 0.06 92.51 01:00:18 all 8.46 0.00 0.62 0.02 0.07 90.84 01:00:18 0 5.54 0.00 0.60 0.02 0.06 93.78 01:00:18 1 11.37 0.00 0.64 0.01 0.07 87.91 Average: all 4.49 0.00 0.54 0.31 0.05 94.61 Average: 0 4.33 0.00 0.58 0.27 0.05 94.77 Average: 1 4.64 0.00 0.51 0.35 0.04 94.45