---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35918 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 5101 4 2374 7173 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:c7:58:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7165sec preferred_lft 7165sec inet6 fe80::f816:3eff:fec7:58b0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35918) 07/16/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:10 1.64 0.01 1.61 0.01 0.80 19.84 0.25 00:20:11 1.70 0.11 1.56 0.03 3.05 22.79 933.83 00:30:01 1.58 0.00 1.56 0.02 0.00 17.77 0.39 00:40:06 25.22 2.81 20.11 2.29 221.90 3448.46 799.25 00:50:10 1.53 0.00 1.51 0.02 0.00 22.63 1.13 Average: 6.36 0.59 5.29 0.48 45.40 710.21 347.63 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:10 6117836 7518608 289964 3.57 54104 1542760 728560 7.94 471096 1313836 372 00:20:11 6147184 7509548 298916 3.68 54248 1504136 726428 7.91 469576 1275140 408 00:30:01 6149676 7512616 295756 3.64 54368 1504584 726428 7.91 469852 1275580 124 00:40:06 5105812 7403200 352292 4.33 105688 2342544 820120 8.93 596212 2119740 228 00:50:10 5047812 7347112 408404 5.02 105780 2344412 858108 9.35 626280 2121700 324 Average: 5713664 7458217 329066 4.05 74838 1847687 771929 8.41 526603 1621199 291 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:10 ens3 0.19 0.05 0.06 0.03 0.00 0.00 0.00 0.00 00:20:11 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:11 ens3 0.11 0.04 0.03 0.01 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.53 0.13 0.21 0.10 0.00 0.00 0.00 0.00 00:40:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:06 ens3 66.60 46.90 322.91 12.92 0.00 0.00 0.00 0.00 00:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 12.91 10.12 71.79 1.06 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.15 11.51 79.42 2.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35918) 07/16/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:10 all 0.22 0.00 0.10 0.01 0.03 99.64 00:10:10 0 0.15 0.00 0.10 0.01 0.03 99.72 00:10:10 1 0.29 0.00 0.11 0.01 0.03 99.56 00:20:11 all 0.65 0.00 0.22 0.03 0.03 99.07 00:20:11 0 0.86 0.00 0.20 0.02 0.02 98.90 00:20:11 1 0.45 0.00 0.24 0.03 0.04 99.24 00:30:01 all 0.28 0.00 0.16 0.02 0.03 99.51 00:30:01 0 0.46 0.00 0.14 0.01 0.02 99.38 00:30:01 1 0.10 0.00 0.19 0.03 0.03 99.65 00:40:06 all 11.96 0.00 1.71 0.90 0.05 85.38 00:40:06 0 12.84 0.00 1.74 0.86 0.04 84.51 00:40:06 1 11.08 0.00 1.68 0.93 0.05 86.26 00:50:10 all 0.85 0.00 0.20 0.06 0.06 98.84 00:50:10 0 1.09 0.00 0.27 0.09 0.07 98.48 00:50:10 1 0.61 0.00 0.12 0.03 0.04 99.20 Average: all 2.80 0.00 0.48 0.20 0.04 96.48 Average: 0 3.09 0.00 0.49 0.20 0.04 96.18 Average: 1 2.52 0.00 0.47 0.21 0.04 96.77