---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3742 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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 Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 9.8G 68G 13% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 613 11180 4 4194 15033 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:5b:b7:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83972sec preferred_lft 83972sec inet6 fe80::f816:3eff:fe5b:b7ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:af:08:b4:bc:c3 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3742) 08/09/26 _x86_64_ (4 CPU) 06:27:04 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:40 1.79 0.03 1.74 0.01 0.85 40.89 0.58 06:50:40 1.75 0.01 1.74 0.00 0.07 37.43 0.00 07:00:01 13.01 2.00 10.08 0.92 131.50 3033.84 2503.57 Average: 5.27 0.64 4.34 0.29 41.30 972.23 780.23 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:40 13035364 15531148 443868 2.71 98044 2586908 994696 5.71 338168 2676404 196 06:50:40 13023076 15521520 453208 2.77 100056 2587228 995928 5.72 340192 2685212 16 07:00:01 10766388 14158964 1801032 11.00 134620 3377360 2113720 12.13 560208 4658096 28984 Average: 12274943 15070544 899369 5.49 110907 2850499 1368115 7.85 412856 3339904 9732 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:40 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 06:40:40 ens3 11.47 9.27 123.63 1.06 0.00 0.00 0.00 0.00 06:40:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:40 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 06:50:40 ens3 16.44 12.96 213.05 1.43 0.00 0.00 0.00 0.00 06:50:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 1.21 1.21 0.12 0.12 0.00 0.00 0.00 0.00 07:00:01 ens3 97.83 79.59 655.49 19.41 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.45 0.45 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 40.03 32.41 319.14 6.90 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3742) 08/09/26 _x86_64_ (4 CPU) 06:27:04 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:40 all 0.33 0.00 0.05 0.01 0.02 99.59 06:40:40 0 0.37 0.00 0.07 0.00 0.04 99.52 06:40:40 1 0.03 0.00 0.03 0.01 0.03 99.90 06:40:40 2 0.86 0.00 0.05 0.00 0.02 99.07 06:40:40 3 0.04 0.00 0.04 0.04 0.02 99.87 06:50:40 all 0.27 0.00 0.05 0.01 0.03 99.63 06:50:40 0 0.59 0.00 0.11 0.00 0.02 99.28 06:50:40 1 0.37 0.00 0.02 0.00 0.03 99.58 06:50:40 2 0.03 0.00 0.04 0.03 0.03 99.87 06:50:40 3 0.12 0.00 0.04 0.02 0.02 99.81 07:00:01 all 61.80 0.00 2.19 0.05 0.08 35.88 07:00:01 0 63.27 0.00 2.35 0.02 0.08 34.29 07:00:01 1 63.06 0.00 1.97 0.04 0.08 34.84 07:00:01 2 59.28 0.00 2.25 0.09 0.08 38.29 07:00:01 3 61.59 0.00 2.17 0.04 0.08 36.12 Average: all 19.43 0.00 0.71 0.02 0.04 79.79 Average: 0 20.01 0.00 0.79 0.01 0.04 79.15 Average: 1 19.75 0.00 0.63 0.02 0.04 79.55 Average: 2 18.73 0.00 0.73 0.04 0.04 80.46 Average: 3 19.23 0.00 0.70 0.03 0.04 80.00