---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39717 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: 5600.00 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 12G 67G 15% / 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 657 9514 4 5817 14989 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:b6:c5:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83894sec preferred_lft 83894sec inet6 fe80::f816:3eff:feb6:c5c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:00:d3:41:32:0c 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-39717) 08/21/26 _x86_64_ (4 CPU) 18:14:26 LINUX RESTART (4 CPU) 18:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:15 50.76 4.66 44.01 2.09 276.69 5105.03 16465.20 18:40:04 44.65 0.01 37.96 6.68 0.52 1662.22 133330.81 18:50:06 27.76 0.18 23.61 3.97 5.32 2275.66 37986.22 Average: 41.05 1.64 35.19 4.22 95.22 3028.35 61981.08 18:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:15 10090944 13726812 2232228 13.63 130392 3636020 2554688 14.66 671820 5224052 41240 18:40:04 9220548 13072260 2884240 17.62 162604 3802456 3108128 17.84 739152 5997764 376 18:50:06 7923340 13154804 2795068 17.07 183204 5100172 2970636 17.05 1212484 6774932 879368 Average: 9078277 13317959 2637179 16.11 158733 4179549 2877817 16.52 874485 5998916 306995 18:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:15 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 18:30:15 ens3 112.92 87.76 955.61 17.45 0.00 0.00 0.00 0.00 18:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:04 lo 43.80 43.80 10.43 10.43 0.00 0.00 0.00 0.00 18:40:04 ens3 14.90 11.65 10.56 3.90 0.00 0.00 0.00 0.00 18:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:06 lo 1729.24 1729.24 1633.93 1633.93 0.00 0.00 0.00 0.00 18:50:06 ens3 63.67 49.21 386.14 12.31 0.00 0.00 0.00 0.00 18:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 594.16 594.16 551.07 551.07 0.00 0.00 0.00 0.00 Average: ens3 64.29 49.89 455.00 11.29 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-39717) 08/21/26 _x86_64_ (4 CPU) 18:14:26 LINUX RESTART (4 CPU) 18:20:10 CPU %user %nice %system %iowait %steal %idle 18:30:15 all 24.85 0.00 1.18 0.26 0.06 73.65 18:30:15 0 24.48 0.00 1.20 0.29 0.05 73.98 18:30:15 1 26.10 0.00 1.38 0.29 0.06 72.17 18:30:15 2 25.25 0.00 1.06 0.31 0.06 73.32 18:30:15 3 23.59 0.00 1.09 0.15 0.06 75.11 18:40:04 all 23.36 0.00 1.07 0.26 0.09 75.22 18:40:04 0 23.85 0.00 1.02 0.07 0.09 74.97 18:40:04 1 22.94 0.00 1.18 0.44 0.09 75.34 18:40:04 2 23.33 0.00 1.00 0.23 0.09 75.35 18:40:04 3 23.31 0.00 1.08 0.29 0.09 75.23 18:50:06 all 40.77 0.00 2.06 0.07 0.08 57.02 18:50:06 0 40.14 0.00 1.87 0.07 0.08 57.84 18:50:06 1 41.14 0.00 1.99 0.09 0.08 56.70 18:50:06 2 41.71 0.00 2.55 0.05 0.08 55.60 18:50:06 3 40.09 0.00 1.82 0.07 0.08 57.92 Average: all 29.69 0.00 1.44 0.20 0.08 68.60 Average: 0 29.51 0.00 1.36 0.14 0.07 68.91 Average: 1 30.10 0.00 1.52 0.27 0.08 68.03 Average: 2 30.13 0.00 1.54 0.20 0.08 68.06 Average: 3 29.02 0.00 1.33 0.17 0.08 69.40