---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66315 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 755 5218 4 2257 7186 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:91:cb:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78984sec preferred_lft 78984sec inet6 fe80::f816:3eff:fe91:cba1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66315) 04/04/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.60 0.01 1.58 0.01 0.05 18.24 445.51 01:10:25 1.36 0.00 1.36 0.00 0.00 15.41 0.00 01:20:25 1.34 0.00 1.34 0.00 0.01 15.45 0.12 01:30:01 2.15 0.33 1.80 0.02 40.61 77.52 453.62 01:40:25 1.23 0.00 1.23 0.00 0.00 14.29 0.00 01:50:25 22.42 3.01 17.15 2.26 226.21 3116.39 612.16 02:00:01 15.82 0.02 1.78 14.02 0.96 41.13 111108.87 02:10:25 1.43 0.00 1.41 0.02 0.00 21.86 1.21 02:20:25 1.37 0.00 1.34 0.02 0.00 132.16 397.47 02:30:05 1.70 0.00 1.67 0.04 0.00 38.03 1.63 02:40:25 1.41 0.00 1.39 0.02 0.00 22.10 1.29 Average: 4.65 0.30 2.91 1.44 24.16 318.46 9863.84 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6273900 7522156 297996 3.66 30692 1423416 521356 5.68 447816 1183640 164 01:10:25 6281068 7529824 290320 3.57 30860 1423744 521444 5.68 448032 1184136 136 01:20:25 6279820 7529068 291072 3.58 31020 1424068 521644 5.68 448428 1184620 152 01:30:01 6246600 7524604 294828 3.63 31404 1452024 719480 7.84 465432 1201896 240 01:40:25 6251832 7530468 288960 3.55 31572 1452484 719568 7.84 466008 1202396 184 01:50:25 5339708 7448524 322708 3.97 85080 2187888 757088 8.25 554696 1946192 2376 02:00:01 5240444 7352324 418768 5.15 85256 2190960 856396 9.33 619856 1949384 144 02:10:25 5240284 7354180 416944 5.13 85412 2192792 858712 9.35 622116 1951400 132 02:20:25 5148612 7297684 473416 5.82 85596 2227736 895256 9.75 658064 1986520 236 02:30:05 5200344 7355192 415784 5.11 85756 2233280 851040 9.27 613496 1992092 280 02:40:25 5151252 7308232 462792 5.69 85912 2235224 892108 9.72 649532 1994200 160 Average: 5695806 7432023 361235 4.44 60778 1858511 737645 8.03 544861 1616043 382 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.64 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:25 ens3 0.61 0.06 2.36 0.04 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.56 0.08 0.31 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.52 0.25 3.20 0.05 0.00 0.00 0.00 0.00 01:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:25 ens3 0.42 0.10 0.14 0.08 0.00 0.00 0.00 0.00 01:50:25 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:25 ens3 61.51 44.35 297.78 11.62 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 24.58 21.61 233.54 2.35 0.00 0.00 0.00 0.00 02:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:25 ens3 8.41 7.88 58.99 0.84 0.00 0.00 0.00 0.00 02:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:25 ens3 12.45 11.41 156.71 1.12 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 17.44 16.85 146.80 2.00 0.00 0.00 0.00 0.00 02:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:25 ens3 13.56 13.19 135.66 1.18 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.70 10.45 93.33 1.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66315) 04/04/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.17 0.01 0.02 99.53 01:00:01 0 0.43 0.00 0.16 0.02 0.02 99.38 01:00:01 1 0.11 0.00 0.18 0.00 0.03 99.68 01:10:25 all 0.24 0.00 0.07 0.01 0.02 99.66 01:10:25 0 0.43 0.00 0.06 0.00 0.02 99.48 01:10:25 1 0.05 0.00 0.08 0.02 0.03 99.83 01:20:25 all 0.24 0.00 0.08 0.02 0.03 99.64 01:20:25 0 0.37 0.00 0.06 0.02 0.02 99.54 01:20:25 1 0.11 0.00 0.10 0.01 0.03 99.75 01:30:01 all 0.41 0.00 0.20 0.08 0.03 99.29 01:30:01 0 0.38 0.00 0.17 0.03 0.02 99.40 01:30:01 1 0.43 0.00 0.23 0.13 0.03 99.18 01:40:25 all 0.23 0.00 0.07 0.01 0.02 99.66 01:40:25 0 0.21 0.00 0.06 0.00 0.02 99.70 01:40:25 1 0.25 0.00 0.08 0.02 0.03 99.63 01:50:25 all 10.67 0.00 1.64 0.65 0.04 86.99 01:50:25 0 8.73 0.00 1.47 0.43 0.04 89.33 01:50:25 1 12.62 0.00 1.82 0.88 0.04 84.65 02:00:01 all 1.31 0.00 0.40 0.04 0.05 98.21 02:00:01 0 1.59 0.00 0.48 0.05 0.07 97.81 02:00:01 1 1.02 0.00 0.32 0.03 0.03 98.61 02:10:25 all 3.09 0.00 0.33 0.01 0.06 96.52 02:10:25 0 4.86 0.00 0.45 0.01 0.06 94.62 02:10:25 1 1.33 0.00 0.20 0.01 0.05 98.41 02:20:25 all 5.53 0.00 0.63 2.52 0.06 91.26 02:20:25 0 3.45 0.00 0.41 1.71 0.06 94.37 02:20:25 1 7.69 0.00 0.85 3.37 0.07 88.03 02:30:05 all 2.04 0.00 0.41 0.10 0.04 97.40 02:30:05 0 2.20 0.00 0.48 0.17 0.05 97.10 02:30:05 1 1.89 0.00 0.34 0.03 0.04 97.70 02:40:25 all 0.88 0.00 0.22 0.35 0.03 98.51 02:40:25 0 0.80 0.00 0.21 0.59 0.04 98.36 02:40:25 1 0.96 0.00 0.24 0.11 0.03 98.65 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.26 0.00 0.38 0.34 0.04 96.98 Average: 0 2.13 0.00 0.36 0.28 0.04 97.19 Average: 1 2.38 0.00 0.40 0.41 0.04 96.78