---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3731 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 11G 67G 14% / 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 632 10473 4 4883 15014 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:13:cf:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82741sec preferred_lft 82741sec inet6 fe80::f816:3eff:fe13:cfe4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:82:c3:64:40:9a 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-3731) 08/09/26 _x86_64_ (4 CPU) 04:36:14 LINUX RESTART (4 CPU) 04:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:05 1.86 0.03 1.81 0.02 0.80 40.75 0.88 05:00:06 9.62 1.87 7.41 0.34 122.63 1927.44 527.40 05:10:06 7.14 0.10 6.30 0.74 7.17 1353.48 1820.83 05:20:05 25.67 0.72 21.80 3.16 22.32 3774.46 2867.92 05:30:05 6.29 0.23 4.87 1.19 11.46 588.88 1237.87 Average: 10.11 0.59 8.44 1.09 32.93 1536.84 1290.29 04:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:05 12991628 15491972 482788 2.95 98792 2590524 1004084 5.76 339196 2704204 188 05:00:06 11115276 14271332 1690784 10.33 123020 3175524 2371580 13.61 510292 4373480 57236 05:10:06 10425908 13932076 2026800 12.38 142316 3472440 2351604 13.50 591124 4961096 10632 05:20:05 8383800 12907940 3043392 18.59 170788 4391312 3457728 19.85 866616 6641912 14440 05:30:05 10741848 15378152 573032 3.50 178792 4486040 1112948 6.39 905564 4226464 208 Average: 10731692 14396294 1563359 9.55 142742 3623168 2059589 11.82 642558 4581431 16541 04:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 04:50:05 ens3 18.59 14.83 204.04 1.64 0.00 0.00 0.00 0.00 04:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:06 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 05:00:06 ens3 70.91 57.60 718.95 11.23 0.00 0.00 0.00 0.00 05:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:06 lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 05:10:06 ens3 32.98 27.57 13.64 10.60 0.00 0.00 0.00 0.00 05:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:05 lo 1611.04 1611.04 1536.16 1536.16 0.00 0.00 0.00 0.00 05:20:05 ens3 74.17 52.80 447.04 14.05 0.00 0.00 0.00 0.00 05:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:05 lo 88.03 88.03 76.71 76.71 0.00 0.00 0.00 0.00 05:30:05 ens3 29.26 30.99 15.88 75.53 0.00 0.00 0.00 0.00 05:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 339.74 339.74 322.24 322.24 0.00 0.00 0.00 0.00 Average: ens3 45.19 36.76 280.12 22.60 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-3731) 08/09/26 _x86_64_ (4 CPU) 04:36:14 LINUX RESTART (4 CPU) 04:40:05 CPU %user %nice %system %iowait %steal %idle 04:50:05 all 0.27 0.00 0.06 0.02 0.03 99.63 04:50:05 0 0.37 0.00 0.09 0.05 0.01 99.48 04:50:05 1 0.37 0.00 0.04 0.01 0.04 99.55 04:50:05 2 0.18 0.00 0.06 0.01 0.03 99.73 04:50:05 3 0.15 0.00 0.05 0.01 0.04 99.75 05:00:06 all 26.90 0.00 0.92 0.05 0.07 72.06 05:00:06 0 27.00 0.00 1.04 0.05 0.05 71.85 05:00:06 1 26.72 0.00 0.72 0.04 0.08 72.45 05:00:06 2 26.73 0.00 0.87 0.03 0.06 72.31 05:00:06 3 27.15 0.00 1.07 0.08 0.07 71.63 05:10:06 all 42.74 0.00 1.44 0.04 0.09 55.70 05:10:06 0 42.34 0.00 1.49 0.06 0.09 56.03 05:10:06 1 42.47 0.00 1.27 0.05 0.08 56.13 05:10:06 2 44.67 0.00 1.60 0.04 0.09 53.59 05:10:06 3 41.46 0.00 1.38 0.02 0.09 57.04 05:20:05 all 50.20 0.00 2.26 0.10 0.09 47.35 05:20:05 0 51.06 0.00 2.16 0.11 0.09 46.58 05:20:05 1 48.94 0.00 2.29 0.06 0.10 48.61 05:20:05 2 50.61 0.00 2.12 0.12 0.09 47.05 05:20:05 3 50.18 0.00 2.48 0.10 0.10 47.14 05:30:05 all 10.46 0.00 0.44 0.04 0.05 89.01 05:30:05 0 9.36 0.00 0.44 0.09 0.04 90.08 05:30:05 1 11.74 0.00 0.54 0.05 0.05 87.62 05:30:05 2 8.84 0.00 0.35 0.01 0.05 90.75 05:30:05 3 11.91 0.00 0.42 0.02 0.06 87.59 Average: all 26.10 0.00 1.02 0.05 0.06 72.76 Average: 0 26.02 0.00 1.04 0.07 0.06 72.81 Average: 1 26.04 0.00 0.97 0.04 0.07 72.88 Average: 2 26.19 0.00 1.00 0.04 0.06 72.71 Average: 3 26.17 0.00 1.08 0.05 0.07 72.63