---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37048 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 10G 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 701 10847 4 4439 14945 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:04:40:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83491sec preferred_lft 83491sec inet6 fe80::f816:3eff:fe04:4021/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:d5:65:48:5b:31 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-37048) 08/12/26 _x86_64_ (4 CPU) 21:31:15 LINUX RESTART (4 CPU) 21:40:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:36 14.37 0.01 1.62 12.74 0.19 19.01 242382.18 22:00:07 48.67 4.61 43.37 0.70 277.10 3694.09 818.61 22:10:08 51.56 0.37 42.41 8.78 11.69 4041.08 7726.23 Average: 38.03 1.61 28.89 7.52 93.25 2565.91 85047.85 21:40:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:36 13741060 15523664 495668 3.03 54424 1955016 1143752 6.57 198012 2183220 8 22:00:07 11339568 14178944 1786420 10.91 113800 2899784 2297648 13.19 401116 4312376 79684 22:10:08 10276116 13887648 2069592 12.64 175340 3527668 2267756 13.02 630664 5036252 32888 Average: 11785581 14530085 1450560 8.86 114521 2794156 1903052 10.92 409931 3843949 37527 21:40:35 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:36 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:50:36 ens3 0.29 0.09 0.05 0.02 0.00 0.00 0.00 0.00 21:50:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:07 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 22:00:07 ens3 97.47 78.54 859.37 16.31 0.00 0.00 0.00 0.00 22:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:08 lo 5129.43 5129.43 4892.02 4892.02 0.00 0.00 0.00 0.00 22:10:08 ens3 136.64 99.09 251.49 30.82 0.00 0.00 0.00 0.00 22:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1739.13 1739.13 1658.49 1658.49 0.00 0.00 0.00 0.00 Average: ens3 77.81 58.91 361.98 15.71 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-37048) 08/12/26 _x86_64_ (4 CPU) 21:31:15 LINUX RESTART (4 CPU) 21:40:35 CPU %user %nice %system %iowait %steal %idle 21:50:36 all 0.10 0.00 0.03 0.03 0.02 99.81 21:50:36 0 0.05 0.00 0.03 0.00 0.02 99.90 21:50:36 1 0.25 0.00 0.02 0.01 0.02 99.71 21:50:36 2 0.08 0.00 0.05 0.00 0.03 99.83 21:50:36 3 0.03 0.00 0.04 0.11 0.01 99.81 22:00:07 all 9.30 0.00 0.65 0.29 0.04 89.73 22:00:07 0 10.44 0.00 0.73 0.34 0.03 88.45 22:00:07 1 11.42 0.00 0.79 0.19 0.04 87.56 22:00:07 2 7.73 0.00 0.64 0.47 0.04 91.12 22:00:07 3 7.59 0.00 0.46 0.15 0.04 91.77 22:10:08 all 66.26 0.00 4.09 0.11 0.10 29.43 22:10:08 0 65.66 0.00 3.86 0.12 0.10 30.26 22:10:08 1 65.71 0.00 3.87 0.09 0.11 30.23 22:10:08 2 66.64 0.00 4.43 0.10 0.11 28.72 22:10:08 3 67.04 0.00 4.22 0.12 0.10 28.52 Average: all 25.44 0.00 1.61 0.14 0.05 72.76 Average: 0 25.59 0.00 1.55 0.15 0.05 72.65 Average: 1 25.98 0.00 1.57 0.09 0.05 72.30 Average: 2 25.05 0.00 1.72 0.19 0.06 72.99 Average: 3 25.13 0.00 1.59 0.13 0.05 73.10