---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13080 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 757 5279 4 2194 7184 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:68:9e:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81356sec preferred_lft 81356sec inet6 fe80::f816:3eff:fe68:9ec4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13080) 05/13/26 _x86_64_ (2 CPU) 00:39:55 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 20.97 3.52 4.83 12.62 420.16 4527.39 109527.90 01:00:02 1.68 0.01 1.65 0.02 1.11 19.96 0.84 01:10:01 1.31 0.00 1.31 0.00 0.00 15.11 0.00 01:20:02 1.32 0.00 1.32 0.00 0.01 15.23 0.00 01:30:01 1.57 0.00 1.55 0.02 0.00 18.76 0.33 01:40:01 1.34 0.00 1.34 0.00 0.00 15.70 0.00 01:50:02 1.86 0.41 1.44 0.00 16.02 48.65 0.03 02:00:01 23.11 2.62 18.22 2.26 212.37 3228.21 683.97 Average: 6.64 0.82 3.95 1.86 81.12 984.94 13759.55 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 6243284 7516052 304344 3.74 30696 1447440 725172 7.90 452712 1200156 236 01:00:02 6271092 7544724 275868 3.39 30920 1448076 530676 5.78 447636 1200700 240 01:10:01 6276748 7550876 269736 3.32 31080 1448408 530676 5.78 447776 1201192 176 01:20:02 6283580 7558200 262404 3.23 31236 1448732 530960 5.78 448160 1201676 228 01:30:01 6283128 7558276 262316 3.23 31420 1449068 531032 5.78 448084 1202196 292 01:40:01 6284344 7560112 260464 3.20 31588 1449520 531164 5.79 448856 1202680 304 01:50:02 6212692 7503804 316360 3.89 31924 1464288 630188 6.86 502276 1216272 284 02:00:01 5290244 7413400 358480 4.41 85108 2202024 636692 6.93 593556 1963148 524 Average: 6143139 7525680 288746 3.55 37996 1544694 580820 6.33 473632 1298502 286 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 12.25 5.82 38.66 1.74 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 0.55 0.06 0.08 0.03 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 0.66 0.05 13.61 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.50 0.09 0.13 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 0.25 0.05 0.07 0.03 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 0.53 0.19 0.15 0.64 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 11.55 6.31 23.78 2.73 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 99.25 71.10 289.10 15.26 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 15.68 10.45 45.65 2.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13080) 05/13/26 _x86_64_ (2 CPU) 00:39:55 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.92 0.00 0.43 0.21 0.04 98.40 00:50:02 0 0.91 0.00 0.48 0.24 0.04 98.33 00:50:02 1 0.93 0.00 0.37 0.17 0.04 98.48 01:00:02 all 0.29 0.00 0.17 0.02 0.04 99.48 01:00:02 0 0.18 0.00 0.18 0.01 0.04 99.59 01:00:02 1 0.41 0.00 0.17 0.02 0.04 99.36 01:10:01 all 0.21 0.00 0.07 0.01 0.04 99.67 01:10:01 0 0.31 0.00 0.06 0.00 0.03 99.60 01:10:01 1 0.12 0.00 0.08 0.02 0.05 99.74 01:20:02 all 0.25 0.00 0.07 0.01 0.04 99.63 01:20:02 0 0.45 0.00 0.05 0.00 0.04 99.46 01:20:02 1 0.05 0.00 0.09 0.01 0.05 99.80 01:30:01 all 0.26 0.00 0.16 0.01 0.05 99.52 01:30:01 0 0.38 0.00 0.15 0.02 0.04 99.41 01:30:01 1 0.14 0.00 0.18 0.01 0.05 99.63 01:40:01 all 0.26 0.00 0.06 0.01 0.04 99.63 01:40:01 0 0.07 0.00 0.08 0.02 0.04 99.79 01:40:01 1 0.45 0.00 0.05 0.01 0.03 99.46 01:50:02 all 0.49 0.00 0.11 0.02 0.04 99.34 01:50:02 0 0.25 0.00 0.13 0.02 0.04 99.55 01:50:02 1 0.73 0.00 0.09 0.01 0.03 99.14 02:00:01 all 13.02 0.00 1.95 0.57 0.07 84.39 02:00:01 0 14.15 0.00 2.01 0.19 0.07 83.58 02:00:01 1 11.89 0.00 1.90 0.96 0.07 85.19 Average: all 1.96 0.00 0.38 0.11 0.04 97.51 Average: 0 2.08 0.00 0.39 0.06 0.04 97.42 Average: 1 1.83 0.00 0.37 0.15 0.04 97.61