---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7311 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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: 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: 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 851 14501 3 16738 30764 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:77:94:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.45/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83509sec preferred_lft 83509sec inet6 fe80::f816:3eff:fe77:9432/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:33:82:ac:56:b6 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::fc33:82ff:feac:56b6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7311) 07/09/26 _x86_64_ (8 CPU) 12:16:29 LINUX RESTART (8 CPU) 12:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:00 583.90 0.89 567.18 15.84 56.91 53547.27 74982.25 12:40:02 126.33 0.30 121.64 4.39 14.48 14968.76 14164.80 12:50:06 30.61 0.31 27.86 2.43 22.02 4536.81 7732.06 13:00:01 37.28 0.65 11.40 25.23 17.85 1981.63 457643.06 Average: 192.31 0.53 179.88 11.90 27.65 18569.00 138049.31 12:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:00 9943800 26695192 5519540 16.80 537888 15452896 5716784 16.86 3939832 17407068 119540 12:40:02 952604 20500632 11652736 35.46 601632 18051280 17583944 51.85 4782032 23417184 1328 12:50:06 433676 18316368 13694016 41.67 582544 16560088 20440436 60.28 4756572 23967528 12712 13:00:01 316544 17805116 14200584 43.21 582824 16178704 20841196 61.46 4693692 24154332 11976 Average: 2911656 20829327 11266719 34.28 576222 16560742 16145590 47.61 4543032 22236528 36389 12:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:00 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 12:30:00 ens3 373.89 237.76 2472.27 69.62 0.00 0.00 0.00 0.00 12:30:00 docker0 25.22 44.29 1.48 767.03 0.00 0.00 0.00 0.00 12:40:02 lo 0.55 0.55 0.04 0.04 0.00 0.00 0.00 0.00 12:40:02 ens3 75.73 55.25 1020.40 10.97 0.00 0.00 0.00 0.00 12:40:02 docker0 9.61 16.79 0.63 97.30 0.00 0.00 0.00 0.00 12:40:02 br-cfc3e927d5b4 0.30 0.26 0.01 0.02 0.00 0.00 0.00 0.00 12:40:02 veth9818d4e 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:40:02 vethf719b7e 71.11 75.29 35.87 37.18 0.00 0.00 0.00 0.00 12:40:02 veth3cea137 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 12:40:02 veth3813098 0.46 0.42 0.06 0.25 0.00 0.00 0.00 0.00 12:40:02 vethb876f46 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:40:02 veth58cabdd 71.17 66.57 49.54 32.77 0.00 0.00 0.00 0.00 12:40:02 veth4ae1c70 1.00 1.78 1.25 13.34 0.00 0.00 0.00 0.00 12:40:02 veth554ddeb 2.03 1.62 0.28 1.62 0.00 0.00 0.00 0.00 12:50:06 lo 29.65 29.65 109.32 109.32 0.00 0.00 0.00 0.00 12:50:06 ens3 11.89 10.04 31.24 2.06 0.00 0.00 0.00 0.00 12:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:06 br-cfc3e927d5b4 23.78 27.24 20.70 120.00 0.00 0.00 0.00 0.00 12:50:06 veth9818d4e 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 12:50:06 vethf719b7e 70.89 77.53 48.02 28.01 0.00 0.00 0.00 0.00 12:50:06 veth3cea137 36.42 39.84 20.66 356.69 0.00 0.00 0.00 0.03 12:50:06 veth3813098 12.52 13.28 60.43 52.22 0.00 0.00 0.00 0.00 12:50:06 vethb876f46 22.22 21.87 238.73 60.81 0.00 0.00 0.00 0.02 12:50:06 veth58cabdd 35.45 32.31 60.78 14.51 0.00 0.00 0.00 0.00 12:50:06 veth554ddeb 48.62 44.82 20.48 35.83 0.00 0.00 0.00 0.00 13:00:01 lo 37.48 37.48 179.42 179.42 0.00 0.00 0.00 0.00 13:00:01 ens3 3.45 1.76 1.56 1.76 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 br-cfc3e927d5b4 21.69 23.38 36.44 143.72 0.00 0.00 0.00 0.00 13:00:01 veth9818d4e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 vethf719b7e 63.73 70.18 48.80 22.98 0.00 0.00 0.00 0.00 13:00:01 veth3cea137 28.28 30.01 37.02 220.97 0.00 0.00 0.00 0.02 13:00:01 veth3813098 9.99 12.21 10.63 78.50 0.00 0.00 0.00 0.01 13:00:01 vethb876f46 13.29 11.77 79.02 10.20 0.00 0.00 0.00 0.01 13:00:01 veth58cabdd 47.10 43.17 87.79 25.25 0.00 0.00 0.00 0.01 13:00:01 veth554ddeb 30.65 27.40 13.73 26.06 0.00 0.00 0.00 0.00 Average: lo 17.08 17.08 72.38 72.38 0.00 0.00 0.00 0.00 Average: ens3 114.80 75.31 872.97 20.83 0.00 0.00 0.00 0.00 Average: docker0 8.62 15.11 0.52 212.93 0.00 0.00 0.00 0.00 Average: br-cfc3e927d5b4 11.49 12.78 14.32 66.16 0.00 0.00 0.00 0.00 Average: veth9818d4e 0.03 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethf719b7e 51.75 56.09 33.35 22.19 0.00 0.00 0.00 0.00 Average: veth3cea137 16.26 17.58 14.45 145.23 0.00 0.00 0.00 0.01 Average: veth3813098 5.77 6.50 17.94 32.83 0.00 0.00 0.00 0.00 Average: vethb876f46 8.94 8.49 80.03 17.91 0.00 0.00 0.00 0.01 Average: veth58cabdd 38.66 35.73 49.75 18.23 0.00 0.00 0.00 0.00 Average: veth554ddeb 20.44 18.57 8.67 15.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7311) 07/09/26 _x86_64_ (8 CPU) 12:16:29 LINUX RESTART (8 CPU) 12:20:13 CPU %user %nice %system %iowait %steal %idle 12:30:00 all 33.16 0.00 4.34 7.77 0.10 54.63 12:30:00 0 32.83 0.00 4.49 10.21 0.10 52.37 12:30:00 1 29.15 0.00 4.17 7.91 0.10 58.67 12:30:00 2 36.07 0.00 4.39 7.34 0.10 52.10 12:30:00 3 36.21 0.00 4.13 9.63 0.10 49.93 12:30:00 4 34.06 0.00 4.43 6.41 0.10 55.00 12:30:00 5 33.63 0.00 4.30 7.04 0.10 54.94 12:30:00 6 31.33 0.00 4.38 7.58 0.10 56.61 12:30:00 7 32.01 0.00 4.43 6.08 0.10 57.38 12:40:02 all 10.39 0.02 1.73 0.73 0.06 87.06 12:40:02 0 9.06 0.03 1.74 0.29 0.06 88.82 12:40:02 1 10.94 0.02 1.84 1.12 0.07 86.02 12:40:02 2 11.33 0.02 1.87 0.80 0.06 85.91 12:40:02 3 10.26 0.02 1.67 0.55 0.07 87.43 12:40:02 4 10.54 0.02 1.61 0.57 0.06 87.20 12:40:02 5 10.32 0.04 1.81 0.78 0.06 86.99 12:40:02 6 11.07 0.00 1.71 1.31 0.06 85.85 12:40:02 7 9.63 0.02 1.63 0.44 0.06 88.22 12:50:06 all 11.11 0.01 2.06 0.42 0.09 86.31 12:50:06 0 10.40 0.01 2.17 0.48 0.09 86.85 12:50:06 1 12.48 0.01 2.19 0.30 0.09 84.94 12:50:06 2 11.54 0.01 2.10 0.91 0.09 85.34 12:50:06 3 10.65 0.01 2.03 0.24 0.09 86.98 12:50:06 4 12.28 0.01 2.01 0.32 0.09 85.30 12:50:06 5 9.83 0.01 2.02 0.16 0.09 87.89 12:50:06 6 10.45 0.00 2.03 0.66 0.09 86.76 12:50:06 7 11.27 0.01 1.95 0.31 0.09 86.38 13:00:01 all 8.29 0.00 1.94 0.56 0.09 89.12 13:00:01 0 7.61 0.00 2.01 0.75 0.09 89.55 13:00:01 1 8.95 0.00 2.10 0.32 0.08 88.55 13:00:01 2 9.04 0.00 2.16 0.67 0.09 88.03 13:00:01 3 8.04 0.00 1.84 0.30 0.10 89.73 13:00:01 4 8.58 0.00 1.83 0.46 0.08 89.06 13:00:01 5 7.47 0.00 1.76 1.25 0.09 89.44 13:00:01 6 8.50 0.00 1.90 0.54 0.09 88.97 13:00:01 7 8.14 0.00 1.90 0.23 0.09 89.64 Average: all 15.64 0.01 2.51 2.34 0.09 79.43 Average: 0 14.87 0.01 2.59 2.89 0.08 79.56 Average: 1 15.31 0.01 2.56 2.38 0.09 79.66 Average: 2 16.88 0.01 2.62 2.40 0.09 78.00 Average: 3 16.17 0.01 2.41 2.64 0.09 78.69 Average: 4 16.25 0.01 2.46 1.91 0.08 79.29 Average: 5 15.20 0.01 2.46 2.28 0.09 79.97 Average: 6 15.24 0.00 2.49 2.49 0.08 79.68 Average: 7 15.16 0.01 2.46 1.74 0.08 80.54