---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53011 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 765 5285 4 2179 7176 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:e6:0e:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80960sec preferred_lft 80960sec inet6 fe80::f816:3eff:fee6:ee1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53011) 03/26/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.66 0.03 1.62 0.02 1.31 18.80 460.60 02:10:32 2.03 0.31 1.70 0.02 38.12 71.08 0.58 02:20:12 1.31 0.00 1.31 0.00 0.01 15.23 0.00 02:30:01 14.37 0.00 1.58 12.79 0.15 18.65 111833.95 02:40:32 1.41 0.00 1.41 0.00 0.00 16.39 0.00 02:50:12 1.41 0.00 1.41 0.00 0.00 16.11 0.00 03:00:01 23.86 3.08 18.48 2.29 232.27 3193.09 1724.74 03:10:22 1.55 0.01 1.54 0.00 0.55 34.70 0.03 Average: 5.88 0.42 3.60 1.86 33.80 416.56 14018.22 01:50:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6281592 7528088 292084 3.59 30568 1421812 534628 5.82 453776 1183108 156 02:10:32 6241544 7517012 302712 3.72 30968 1450012 534860 5.83 465360 1200332 172 02:20:12 6241068 7517032 302696 3.72 31132 1450340 534872 5.83 468144 1200824 188 02:30:01 6244948 7521520 298000 3.66 31332 1450712 534872 5.83 468196 1201368 272 02:40:32 6244948 7522164 297352 3.66 31512 1451168 534872 5.83 468500 1201876 124 02:50:12 6249792 7527496 292012 3.59 31664 1451500 534872 5.83 468840 1202360 168 03:00:01 5344156 7451536 319772 3.93 84984 2186680 559948 6.10 555488 1945304 2428 03:10:22 5231444 7341264 430120 5.29 85124 2189052 653636 7.12 614960 1947816 156 Average: 6009936 7490764 316844 3.90 44660 1631410 552820 6.02 495408 1385374 458 01:50:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.99 0.07 0.12 0.04 0.00 0.00 0.00 0.00 02:10:32 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:32 ens3 0.61 0.22 2.90 0.03 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.54 0.09 3.47 0.04 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:32 ens3 0.33 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.31 1.31 0.10 0.10 0.00 0.00 0.00 0.00 03:00:01 ens3 60.98 42.07 302.84 11.54 0.00 0.00 0.00 0.00 03:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:22 ens3 12.34 8.11 36.10 1.19 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 9.45 6.29 42.73 1.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53011) 03/26/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:32 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.01 0.02 99.50 02:00:01 0 0.32 0.00 0.16 0.01 0.02 99.48 02:00:01 1 0.28 0.00 0.17 0.02 0.02 99.51 02:10:32 all 0.38 0.00 0.11 0.03 0.03 99.46 02:10:32 0 0.47 0.00 0.08 0.01 0.02 99.41 02:10:32 1 0.28 0.00 0.14 0.04 0.04 99.50 02:20:12 all 0.27 0.00 0.08 0.01 0.03 99.59 02:20:12 0 0.27 0.00 0.08 0.02 0.03 99.59 02:20:12 1 0.28 0.00 0.08 0.01 0.03 99.60 02:30:01 all 0.31 0.00 0.17 0.03 0.03 99.46 02:30:01 0 0.32 0.00 0.16 0.05 0.03 99.44 02:30:01 1 0.30 0.00 0.18 0.01 0.03 99.48 02:40:32 all 0.26 0.00 0.08 0.01 0.03 99.62 02:40:32 0 0.31 0.00 0.07 0.01 0.03 99.58 02:40:32 1 0.21 0.00 0.08 0.02 0.03 99.66 02:50:12 all 0.29 0.00 0.08 0.01 0.03 99.59 02:50:12 0 0.06 0.00 0.09 0.00 0.03 99.82 02:50:12 1 0.52 0.00 0.07 0.03 0.03 99.35 03:00:01 all 10.91 0.00 1.80 1.18 0.05 86.06 03:00:01 0 13.48 0.00 2.12 1.88 0.05 82.47 03:00:01 1 8.34 0.00 1.47 0.49 0.05 89.65 03:10:22 all 1.01 0.00 0.21 0.02 0.06 98.69 03:10:22 0 1.14 0.00 0.25 0.01 0.07 98.54 03:10:22 1 0.89 0.00 0.17 0.04 0.06 98.85 Average: all 1.70 0.00 0.33 0.16 0.04 97.77 Average: 0 2.02 0.00 0.37 0.24 0.04 97.32 Average: 1 1.37 0.00 0.29 0.08 0.04 98.22