---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29892 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 756 5286 4 2187 7185 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:97:bf:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81616sec preferred_lft 81616sec inet6 fe80::f816:3eff:fe97:bf69/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29892) 03/25/26 _x86_64_ (2 CPU) 00:39:30 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.89 0.04 1.83 0.02 1.46 1095.46 219.23 01:00:02 1.68 0.01 1.64 0.03 0.05 20.15 870.13 01:10:00 1.32 0.00 1.31 0.02 0.00 15.70 1.20 01:20:00 13.98 0.00 1.42 12.55 0.16 16.72 109182.45 01:30:02 1.60 0.00 1.57 0.03 0.00 18.99 652.85 01:40:00 1.96 0.32 1.61 0.03 40.20 73.11 1.46 01:50:00 22.36 3.02 17.09 2.25 227.76 3120.33 787.45 Average: 6.40 0.48 3.78 2.13 38.51 622.77 15964.65 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 6299204 7545724 274620 3.38 30532 1421668 524864 5.72 439632 1183132 128 01:00:02 6291676 7538800 281568 3.46 30788 1422000 524832 5.72 440168 1183716 264 01:10:00 6290220 7537872 282496 3.47 30988 1422320 524900 5.72 440248 1184240 124 01:20:00 6289704 7537928 282392 3.47 31192 1422680 525036 5.72 440672 1184776 124 01:30:02 6290220 7539036 281328 3.46 31432 1423024 525440 5.72 441164 1185360 224 01:40:00 6258496 7536412 283388 3.48 31828 1451336 525440 5.72 452840 1202564 124 01:50:00 5361676 7469244 302384 3.72 85184 2186452 555340 6.05 546084 1945480 2356 Average: 6154457 7529288 284025 3.49 38849 1535640 529407 5.77 457258 1295610 478 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 2.42 0.12 0.34 0.08 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.74 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.71 0.05 2.21 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.61 0.08 0.71 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.48 0.13 0.08 0.50 0.00 0.00 0.00 0.00 01:40:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.62 0.24 3.11 0.07 0.00 0.00 0.00 0.00 01:50:00 lo 1.30 1.30 0.10 0.10 0.00 0.00 0.00 0.00 01:50:00 ens3 99.44 69.94 304.17 16.63 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.01 10.09 44.40 2.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29892) 03/25/26 _x86_64_ (2 CPU) 00:39:30 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.33 0.00 0.17 0.01 0.03 99.46 00:50:00 0 0.13 0.00 0.16 0.02 0.03 99.66 00:50:00 1 0.52 0.00 0.18 0.01 0.03 99.26 01:00:02 all 0.28 0.00 0.16 0.01 0.03 99.53 01:00:02 0 0.16 0.00 0.15 0.02 0.03 99.64 01:00:02 1 0.40 0.00 0.16 0.01 0.02 99.41 01:10:00 all 0.28 0.00 0.06 0.01 0.03 99.62 01:10:00 0 0.37 0.00 0.05 0.01 0.02 99.55 01:10:00 1 0.19 0.00 0.08 0.01 0.03 99.69 01:20:00 all 0.27 0.00 0.08 0.04 0.03 99.59 01:20:00 0 0.06 0.00 0.10 0.04 0.03 99.78 01:20:00 1 0.48 0.00 0.07 0.04 0.02 99.40 01:30:02 all 0.23 0.00 0.16 0.01 0.03 99.57 01:30:02 0 0.33 0.00 0.17 0.02 0.02 99.45 01:30:02 1 0.12 0.00 0.15 0.00 0.03 99.70 01:40:00 all 0.33 0.00 0.10 0.03 0.03 99.52 01:40:00 0 0.43 0.00 0.07 0.02 0.02 99.46 01:40:00 1 0.22 0.00 0.14 0.03 0.04 99.57 01:50:00 all 10.68 0.00 1.69 0.60 0.05 86.98 01:50:00 0 13.89 0.00 1.81 0.72 0.04 83.54 01:50:00 1 7.48 0.00 1.56 0.48 0.05 90.42 Average: all 1.77 0.00 0.35 0.10 0.03 97.75 Average: 0 2.19 0.00 0.36 0.12 0.03 97.30 Average: 1 1.34 0.00 0.33 0.08 0.03 98.21