---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19477 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 808 5075 4 2350 7133 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:bc:a0:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81246sec preferred_lft 81246sec inet6 fe80::f816:3eff:febc:a0ee/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-19477) 05/24/26 _x86_64_ (2 CPU) 00:41:37 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.23 0.27 1.93 0.03 32.29 78.87 658.13 01:10:01 1.36 0.00 1.35 0.02 0.00 15.54 1.20 01:20:19 13.66 0.00 1.47 12.18 0.16 17.02 105841.77 01:30:01 1.45 0.00 1.42 0.03 0.00 17.59 675.38 01:40:01 1.37 0.00 1.35 0.02 0.00 17.09 217.89 01:50:19 25.87 2.92 20.74 2.21 221.30 3348.76 490.48 02:00:01 1.60 0.00 1.58 0.02 0.36 70.80 0.26 Average: 6.96 0.47 4.35 2.14 37.26 524.00 15893.43 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6241976 7520236 299756 3.69 30964 1452736 521708 5.68 462344 1204944 160 01:10:01 6241752 7520556 299428 3.68 31172 1453068 521748 5.68 462560 1205484 160 01:20:19 6256892 7536292 283616 3.49 31376 1453444 521960 5.69 463212 1206036 132 01:30:01 6252896 7532828 287036 3.53 31572 1453776 522776 5.69 464224 1206564 124 01:40:01 6252168 7532808 287036 3.53 31808 1454236 522840 5.69 464652 1207132 124 01:50:19 5184280 7386984 380736 4.68 86548 2277048 651504 7.10 612364 2039116 172 02:00:01 5162824 7380944 386572 4.75 86704 2292320 654268 7.13 614468 2054428 468 Average: 5941827 7487235 317740 3.91 47163 1690947 559543 6.09 506261 1446243 191 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.98 0.26 3.24 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.99 0.05 5.29 0.03 0.00 0.00 0.00 0.00 01:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:19 ens3 0.57 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.55 0.19 0.10 0.51 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.67 0.12 0.18 0.09 0.00 0.00 0.00 0.00 01:50:19 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:19 ens3 78.33 57.76 309.43 12.59 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 47.84 43.08 10.74 5.90 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 18.71 14.58 48.35 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19477) 05/24/26 _x86_64_ (2 CPU) 00:41:37 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.44 0.00 0.21 0.07 0.03 99.26 01:00:01 0 0.53 0.00 0.21 0.06 0.03 99.17 01:00:01 1 0.34 0.00 0.20 0.08 0.03 99.35 01:10:01 all 0.23 0.00 0.07 0.03 0.03 99.63 01:10:01 0 0.33 0.00 0.06 0.03 0.02 99.56 01:10:01 1 0.14 0.00 0.09 0.04 0.03 99.71 01:20:19 all 0.25 0.00 0.09 0.05 0.03 99.59 01:20:19 0 0.06 0.00 0.09 0.03 0.04 99.78 01:20:19 1 0.43 0.00 0.08 0.06 0.03 99.40 01:30:01 all 0.31 0.00 0.16 0.04 0.03 99.46 01:30:01 0 0.33 0.00 0.16 0.07 0.03 99.41 01:30:01 1 0.30 0.00 0.16 0.01 0.03 99.50 01:40:01 all 0.26 0.00 0.07 0.02 0.03 99.62 01:40:01 0 0.46 0.00 0.05 0.03 0.02 99.44 01:40:01 1 0.06 0.00 0.09 0.01 0.04 99.80 01:50:19 all 14.13 0.00 1.81 0.99 0.07 83.00 01:50:19 0 16.91 0.00 2.12 0.93 0.07 79.97 01:50:19 1 11.36 0.00 1.50 1.04 0.07 86.02 02:00:01 all 6.26 0.00 0.63 0.26 0.08 92.77 02:00:01 0 3.97 0.00 0.52 0.42 0.07 95.02 02:00:01 1 8.57 0.00 0.74 0.10 0.08 90.51 Average: all 3.15 0.00 0.44 0.21 0.04 96.16 Average: 0 3.27 0.00 0.46 0.23 0.04 96.00 Average: 1 3.03 0.00 0.41 0.20 0.04 96.32