---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2666 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 620 10968 4 4400 15026 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:ee:bd:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84482sec preferred_lft 84482sec inet6 fe80::f816:3eff:feee:bd11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:b5:1d:ca:d0:0c 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-2666) 08/06/26 _x86_64_ (4 CPU) 13:25:34 LINUX RESTART (4 CPU) 13:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:17 5.41 0.23 4.77 0.41 27.37 797.95 12749.86 13:50:17 13.05 1.97 10.16 0.92 129.95 2960.13 1687.64 Average: 9.18 1.09 7.43 0.66 77.97 1864.48 7293.23 13:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:17 12776692 15491244 478524 2.92 104908 2795340 1002772 5.76 361752 2891180 208 13:50:17 10172376 13811040 2146876 13.11 140900 3607840 2438860 14.00 588412 5221056 17660 Average: 11474534 14651142 1312700 8.02 122904 3201590 1720816 9.88 475082 4056118 8934 13:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:17 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 13:40:17 ens3 35.04 22.85 546.48 2.32 0.00 0.00 0.00 0.00 13:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:17 lo 1.21 1.21 0.12 0.12 0.00 0.00 0.00 0.00 13:50:17 ens3 104.25 82.67 622.83 19.98 0.00 0.00 0.00 0.00 13:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 69.17 52.36 584.14 11.03 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-2666) 08/06/26 _x86_64_ (4 CPU) 13:25:34 LINUX RESTART (4 CPU) 13:30:01 CPU %user %nice %system %iowait %steal %idle 13:40:17 all 0.47 0.00 0.14 0.12 0.02 99.25 13:40:17 0 0.62 0.00 0.14 0.07 0.01 99.15 13:40:17 1 0.29 0.00 0.12 0.24 0.02 99.33 13:40:17 2 0.24 0.00 0.13 0.12 0.02 99.49 13:40:17 3 0.74 0.00 0.18 0.04 0.03 99.02 13:50:17 all 60.17 0.00 1.97 0.11 0.10 37.66 13:50:17 0 61.47 0.00 1.89 0.05 0.10 36.49 13:50:17 1 61.44 0.00 2.05 0.20 0.10 36.21 13:50:17 2 58.34 0.00 2.00 0.05 0.09 39.53 13:50:17 3 59.43 0.00 1.94 0.13 0.09 38.41 Average: all 29.91 0.00 1.04 0.11 0.06 68.88 Average: 0 30.67 0.00 1.01 0.06 0.06 68.21 Average: 1 30.42 0.00 1.07 0.22 0.06 68.23 Average: 2 28.87 0.00 1.05 0.08 0.06 69.94 Average: 3 29.67 0.00 1.05 0.08 0.06 69.14