---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3898 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 859 14689 3 16543 30765 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:66:fb:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.98/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83559sec preferred_lft 83559sec inet6 fe80::f816:3eff:fe66:fb5d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:92:45:3d:3b:61 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 inet6 fe80::b492:45ff:fe3d:3b61/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3898) 08/04/26 _x86_64_ (8 CPU) 05:01:02 LINUX RESTART (8 CPU) 05:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:32 127.18 0.38 122.05 4.75 17.45 17290.20 12248.69 05:30:01 28.09 0.78 25.38 1.94 35.53 4219.35 10401.15 05:40:01 10.05 0.06 9.60 0.39 1.48 1525.08 701.93 Average: 56.85 0.40 54.04 2.41 17.84 7907.88 7817.53 05:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:32 416668 20003280 12079508 36.76 596416 18159552 18787064 55.40 4800776 23949480 30944 05:30:01 384896 18023080 13892036 42.27 578884 16413900 21454124 63.27 4760628 23968372 13144 05:40:01 454904 17856492 14052032 42.76 578916 16188664 21706916 64.01 4747500 23933896 2628 Average: 418823 18627617 13341192 40.60 584739 16920705 20649368 60.89 4769635 23950583 15572 05:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:32 lo 1.49 1.49 2.25 2.25 0.00 0.00 0.00 0.00 05:20:32 ens3 78.92 56.87 1047.36 11.77 0.00 0.00 0.00 0.00 05:20:32 docker0 9.75 13.94 0.53 161.56 0.00 0.00 0.00 0.00 05:20:32 br-bec0ccb4d6b2 1.52 1.75 0.57 5.00 0.00 0.00 0.00 0.00 05:20:32 veth1d46572 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 05:20:32 veth0243d10 1.41 1.52 17.10 4.94 0.00 0.00 0.00 0.00 05:20:32 veth45a0925 1.12 1.07 4.93 1.35 0.00 0.00 0.00 0.00 05:20:32 veth96aa75b 1.99 2.33 0.25 21.99 0.00 0.00 0.00 0.00 05:20:32 veth0fe0194 70.49 74.84 34.92 35.96 0.00 0.00 0.00 0.00 05:20:32 vethde1fa75 71.11 66.39 49.20 31.95 0.00 0.00 0.00 0.00 05:20:32 veth9caf53e 2.11 1.66 0.29 1.65 0.00 0.00 0.00 0.00 05:30:01 lo 26.58 26.58 101.24 101.24 0.00 0.00 0.00 0.00 05:30:01 ens3 9.35 8.09 26.02 2.22 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 br-bec0ccb4d6b2 24.34 26.66 21.38 106.28 0.00 0.00 0.00 0.00 05:30:01 veth1d46572 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 05:30:01 veth0243d10 19.81 19.33 203.73 50.23 0.00 0.00 0.00 0.02 05:30:01 veth45a0925 11.42 12.23 50.02 55.29 0.00 0.00 0.00 0.00 05:30:01 veth96aa75b 35.53 37.95 20.67 307.99 0.00 0.00 0.00 0.03 05:30:01 veth0fe0194 79.59 86.78 57.37 33.32 0.00 0.00 0.00 0.00 05:30:01 vethde1fa75 33.03 30.13 63.94 13.51 0.00 0.00 0.00 0.01 05:30:01 veth9caf53e 60.58 55.90 26.50 46.46 0.00 0.00 0.00 0.00 05:40:01 lo 34.21 34.21 166.93 166.93 0.00 0.00 0.00 0.00 05:40:01 ens3 1.11 1.21 0.25 1.46 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 br-bec0ccb4d6b2 29.65 30.10 33.49 135.21 0.00 0.00 0.00 0.00 05:40:01 veth1d46572 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 veth0243d10 8.90 8.11 36.16 6.24 0.00 0.00 0.00 0.00 05:40:01 veth45a0925 7.26 8.31 6.64 35.68 0.00 0.00 0.00 0.00 05:40:01 veth96aa75b 34.06 34.24 34.06 169.96 0.00 0.00 0.00 0.01 05:40:01 veth0fe0194 62.04 68.30 48.34 23.40 0.00 0.00 0.00 0.00 05:40:01 vethde1fa75 42.42 39.38 45.33 24.21 0.00 0.00 0.00 0.00 05:40:01 veth9caf53e 31.42 28.20 13.95 26.30 0.00 0.00 0.00 0.00 Average: lo 20.32 20.32 88.40 88.40 0.00 0.00 0.00 0.00 Average: ens3 31.01 22.91 375.80 5.32 0.00 0.00 0.00 0.00 Average: docker0 3.42 4.89 0.19 56.69 0.00 0.00 0.00 0.00 Average: br-bec0ccb4d6b2 18.10 19.06 18.11 80.38 0.00 0.00 0.00 0.00 Average: veth1d46572 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth0243d10 9.72 9.34 82.41 19.68 0.00 0.00 0.00 0.01 Average: veth45a0925 6.42 7.01 19.74 29.83 0.00 0.00 0.00 0.00 Average: veth96aa75b 23.27 24.21 17.97 161.65 0.00 0.00 0.00 0.01 Average: veth0fe0194 70.55 76.43 46.48 30.94 0.00 0.00 0.00 0.00 Average: vethde1fa75 49.52 45.94 52.57 23.55 0.00 0.00 0.00 0.00 Average: veth9caf53e 30.35 27.64 13.12 24.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3898) 08/04/26 _x86_64_ (8 CPU) 05:01:02 LINUX RESTART (8 CPU) 05:10:00 CPU %user %nice %system %iowait %steal %idle 05:20:32 all 11.17 0.02 1.97 0.40 0.08 86.36 05:20:32 0 12.57 0.02 2.37 0.58 0.09 84.37 05:20:32 1 10.79 0.02 1.97 0.43 0.08 86.71 05:20:32 2 10.88 0.02 1.96 0.16 0.08 86.90 05:20:32 3 10.82 0.01 1.79 0.46 0.08 86.83 05:20:32 4 12.52 0.01 2.04 0.48 0.07 84.88 05:20:32 5 10.30 0.01 1.78 0.47 0.08 87.36 05:20:32 6 10.52 0.04 1.75 0.32 0.08 87.29 05:20:32 7 10.91 0.02 2.09 0.34 0.08 86.56 05:30:01 all 9.76 0.00 2.19 0.12 0.11 87.82 05:30:01 0 8.40 0.01 2.72 0.12 0.10 88.65 05:30:01 1 10.45 0.00 2.33 0.17 0.11 86.94 05:30:01 2 9.73 0.00 2.15 0.10 0.11 87.91 05:30:01 3 10.20 0.00 2.05 0.12 0.11 87.52 05:30:01 4 10.96 0.00 2.14 0.20 0.12 86.58 05:30:01 5 9.30 0.00 2.14 0.11 0.11 88.34 05:30:01 6 9.68 0.01 1.93 0.07 0.10 88.21 05:30:01 7 9.35 0.01 2.03 0.12 0.11 88.39 05:40:01 all 7.62 0.00 2.05 0.04 0.11 90.18 05:40:01 0 8.42 0.00 2.68 0.08 0.11 88.71 05:40:01 1 7.40 0.00 2.12 0.06 0.11 90.32 05:40:01 2 7.70 0.00 2.09 0.04 0.11 90.07 05:40:01 3 7.69 0.00 1.81 0.05 0.11 90.33 05:40:01 4 7.26 0.00 1.91 0.02 0.11 90.71 05:40:01 5 7.06 0.00 1.80 0.02 0.11 91.01 05:40:01 6 7.71 0.00 1.95 0.03 0.11 90.20 05:40:01 7 7.73 0.00 2.00 0.02 0.11 90.13 Average: all 9.54 0.01 2.06 0.19 0.10 88.09 Average: 0 9.87 0.01 2.58 0.27 0.10 87.17 Average: 1 9.55 0.01 2.13 0.22 0.10 87.98 Average: 2 9.46 0.01 2.06 0.10 0.10 88.27 Average: 3 9.58 0.01 1.88 0.21 0.10 88.22 Average: 4 10.27 0.01 2.03 0.24 0.10 87.36 Average: 5 8.91 0.01 1.90 0.21 0.10 88.88 Average: 6 9.32 0.02 1.88 0.14 0.10 88.55 Average: 7 9.36 0.01 2.04 0.16 0.10 88.33