---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4369 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 14G 142G 9% / 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 740 24201 4 7150 30884 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:3d:2d:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.69/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84643sec preferred_lft 84643sec inet6 fe80::f816:3eff:fe3d:2ddf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:1e:d3:dc:ac:49 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::f81e:d3ff:fedc:ac49/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4369) 07/01/26 _x86_64_ (8 CPU) 14:52:33 LINUX RESTART (8 CPU) 15:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:00 1.82 0.35 1.45 0.02 6.45 18.81 393.83 15:20:00 131.07 4.37 122.67 4.04 602.36 18836.91 5794.51 Average: 66.45 2.36 62.06 2.03 304.40 9427.71 3094.13 15:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:00 29964324 31746220 639236 1.95 61692 2057464 1499724 4.42 245596 2357904 8 15:20:00 23306776 30303024 1955880 5.95 188088 6927472 4447436 13.11 959100 7929528 780 Average: 26635550 31024622 1297558 3.95 124890 4492468 2973580 8.77 602348 5143716 394 15:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:10:00 ens3 1.35 0.92 0.82 0.80 0.00 0.00 0.00 0.00 15:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:00 lo 1.28 1.28 0.12 0.12 0.00 0.00 0.00 0.00 15:20:00 ens3 86.57 52.59 1784.73 9.72 0.00 0.00 0.00 0.00 15:20:00 docker0 4.56 7.10 0.41 147.33 0.00 0.00 0.00 0.00 15:20:00 br-4f5bba6e577a 2.54 3.48 0.15 35.57 0.00 0.00 0.00 0.00 15:20:00 veth0c998e2 0.04 0.10 0.00 0.10 0.00 0.00 0.00 0.00 15:20:00 veth58a485c 56.20 58.58 13.18 7.19 0.00 0.00 0.00 0.00 15:20:00 veth4ba0496 2.50 3.52 0.18 35.57 0.00 0.00 0.00 0.00 15:20:00 vethaff9e8f 51.31 51.11 6.88 12.55 0.00 0.00 0.00 0.00 15:20:00 veth514f6a6 0.35 0.31 0.22 0.62 0.00 0.00 0.00 0.00 Average: lo 0.69 0.69 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 43.96 26.75 892.76 5.26 0.00 0.00 0.00 0.00 Average: docker0 2.28 3.55 0.21 73.66 0.00 0.00 0.00 0.00 Average: br-4f5bba6e577a 1.27 1.74 0.08 17.79 0.00 0.00 0.00 0.00 Average: veth0c998e2 0.02 0.05 0.00 0.05 0.00 0.00 0.00 0.00 Average: veth58a485c 28.10 29.29 6.59 3.59 0.00 0.00 0.00 0.00 Average: veth4ba0496 1.25 1.76 0.09 17.79 0.00 0.00 0.00 0.00 Average: vethaff9e8f 25.66 25.55 3.44 6.27 0.00 0.00 0.00 0.00 Average: veth514f6a6 0.17 0.15 0.11 0.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4369) 07/01/26 _x86_64_ (8 CPU) 14:52:33 LINUX RESTART (8 CPU) 15:00:00 CPU %user %nice %system %iowait %steal %idle 15:10:00 all 0.05 0.00 0.02 0.01 0.01 99.92 15:10:00 0 0.03 0.00 0.01 0.05 0.01 99.91 15:10:00 1 0.01 0.00 0.01 0.00 0.01 99.97 15:10:00 2 0.06 0.00 0.03 0.00 0.01 99.91 15:10:00 3 0.04 0.00 0.01 0.00 0.00 99.95 15:10:00 4 0.12 0.00 0.02 0.00 0.02 99.84 15:10:00 5 0.07 0.00 0.03 0.00 0.01 99.90 15:10:00 6 0.02 0.00 0.01 0.01 0.01 99.95 15:10:00 7 0.05 0.00 0.02 0.01 0.01 99.92 15:20:00 all 4.63 0.00 1.11 0.46 0.03 93.77 15:20:00 0 5.39 0.00 1.29 0.58 0.03 92.71 15:20:00 1 6.35 0.00 1.30 0.49 0.04 91.82 15:20:00 2 3.66 0.00 1.06 0.19 0.03 95.07 15:20:00 3 5.61 0.00 1.15 0.26 0.03 92.95 15:20:00 4 3.42 0.00 0.99 0.50 0.04 95.05 15:20:00 5 3.86 0.00 0.97 0.27 0.02 94.88 15:20:00 6 4.84 0.00 1.12 0.75 0.03 93.25 15:20:00 7 3.88 0.00 1.00 0.62 0.03 94.46 Average: all 2.34 0.00 0.56 0.23 0.02 96.85 Average: 0 2.71 0.00 0.65 0.31 0.02 96.31 Average: 1 3.18 0.00 0.66 0.25 0.02 95.90 Average: 2 1.86 0.00 0.54 0.09 0.02 97.49 Average: 3 2.82 0.00 0.58 0.13 0.02 96.45 Average: 4 1.77 0.00 0.51 0.25 0.03 97.45 Average: 5 1.96 0.00 0.50 0.14 0.01 97.39 Average: 6 2.43 0.00 0.57 0.38 0.02 96.61 Average: 7 1.96 0.00 0.51 0.31 0.02 97.20