---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3750 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 5296 4 2177 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:1d:67:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81372sec preferred_lft 81372sec inet6 fe80::f816:3eff:fe1d:6724/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3750) 04/17/26 _x86_64_ (2 CPU) 01:48:12 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 2.20 0.34 1.84 0.03 40.25 76.99 871.61 02:10:00 1.44 0.01 1.42 0.01 1.11 16.75 0.89 02:20:00 1.27 0.00 1.25 0.02 0.01 14.89 1.20 02:30:00 1.57 0.00 1.54 0.03 0.00 18.76 654.32 02:40:00 1.52 0.00 1.50 0.02 0.00 18.56 218.98 02:50:00 1.45 0.02 1.41 0.02 2.15 17.11 1.24 03:00:00 13.22 1.75 10.48 0.99 116.07 2065.72 478.01 03:10:00 10.44 1.40 7.79 1.25 114.33 1092.52 470.97 Average: 4.14 0.44 3.40 0.30 34.24 415.16 337.15 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6249404 7524840 295388 3.63 30776 1449972 725116 7.90 468080 1200016 172 02:10:00 6256964 7533276 287092 3.53 30992 1450608 525884 5.73 462804 1200572 124 02:20:00 6256460 7533308 287052 3.53 31196 1450932 525884 5.73 462968 1201100 176 02:30:00 6253480 7530876 289432 3.56 31408 1451260 526020 5.73 463124 1201640 124 02:40:00 6250224 7528196 292064 3.59 31656 1451584 526080 5.73 463420 1202212 8 02:50:00 6252112 7531412 288824 3.55 31864 1452684 526276 5.73 463556 1202832 124 03:00:00 5540788 7388076 397264 4.88 69712 1953024 636432 6.93 602676 1725012 124 03:10:00 5351324 7464356 307688 3.78 86188 2190892 554948 6.04 551896 1950060 132 Average: 6051344 7504292 305600 3.76 42974 1606370 568330 6.19 492316 1360430 123 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.82 0.23 3.23 0.05 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.38 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.28 0.03 0.17 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.30 0.03 0.25 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.38 0.07 0.11 0.05 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.57 0.28 0.19 0.59 0.00 0.00 0.00 0.00 03:00:00 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:00:00 ens3 42.94 24.98 260.68 6.04 0.00 0.00 0.00 0.00 03:10:00 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:10:00 ens3 7.75 6.08 35.72 1.92 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 6.80 3.97 37.55 1.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3750) 04/17/26 _x86_64_ (2 CPU) 01:48:12 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.39 0.00 0.21 0.04 0.04 99.33 02:00:00 0 0.45 0.00 0.21 0.01 0.03 99.31 02:00:00 1 0.33 0.00 0.22 0.06 0.04 99.35 02:10:00 all 0.24 0.00 0.08 0.01 0.04 99.64 02:10:00 0 0.42 0.00 0.06 0.02 0.02 99.48 02:10:00 1 0.06 0.00 0.09 0.01 0.05 99.79 02:20:00 all 0.25 0.00 0.07 0.01 0.04 99.64 02:20:00 0 0.42 0.00 0.05 0.01 0.03 99.49 02:20:00 1 0.08 0.00 0.09 0.01 0.04 99.78 02:30:00 all 0.24 0.00 0.15 0.02 0.03 99.55 02:30:00 0 0.29 0.00 0.15 0.03 0.03 99.51 02:30:00 1 0.20 0.00 0.16 0.00 0.04 99.60 02:40:00 all 0.25 0.00 0.08 0.02 0.04 99.61 02:40:00 0 0.40 0.00 0.06 0.03 0.03 99.48 02:40:00 1 0.10 0.00 0.10 0.01 0.04 99.75 02:50:00 all 0.34 0.00 0.08 0.01 0.03 99.53 02:50:00 0 0.23 0.00 0.09 0.00 0.04 99.63 02:50:00 1 0.45 0.00 0.07 0.01 0.03 99.44 03:00:00 all 5.65 0.00 0.94 0.34 0.04 93.03 03:00:00 0 4.74 0.00 0.81 0.47 0.04 93.94 03:00:00 1 6.56 0.00 1.06 0.21 0.04 92.13 03:10:00 all 5.65 0.00 0.82 0.24 0.04 93.25 03:10:00 0 5.97 0.00 0.81 0.29 0.04 92.88 03:10:00 1 5.32 0.00 0.84 0.18 0.04 93.62 Average: all 1.63 0.00 0.30 0.08 0.04 97.95 Average: 0 1.62 0.00 0.28 0.11 0.03 97.96 Average: 1 1.64 0.00 0.33 0.06 0.04 97.93