---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2943 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 975 12853 4 18263 30649 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:0d:7c:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.97/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84426sec preferred_lft 84426sec inet6 fe80::f816:3eff:fe0d:7cc5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:39:7a:86:e7:bd 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::2039:7aff:fe86:e7bd/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-2943) 06/27/26 _x86_64_ (8 CPU) 05:35:48 LINUX RESTART (8 CPU) 05:40:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:50:26 490.94 0.52 476.96 13.46 30.89 56489.32 74123.67 06:00:01 12.41 0.83 11.09 0.49 21.24 387.66 2640.63 Average: 256.68 0.67 248.89 7.11 26.17 29024.84 39129.25 05:40:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:50:26 841264 20483600 11669932 35.51 597360 18148176 17770448 52.40 4865748 23449384 260 06:00:01 278096 19162896 12988476 39.52 583472 17397156 19013620 56.07 4879576 23992152 1288 Average: 559680 19823248 12329204 37.52 590416 17772666 18392034 54.24 4872662 23720768 774 05:40:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:50:26 lo 0.76 0.76 0.06 0.06 0.00 0.00 0.00 0.00 05:50:26 ens3 370.25 220.35 2653.04 75.80 0.00 0.00 0.00 0.00 05:50:26 docker0 18.66 34.49 1.13 761.28 0.00 0.00 0.00 0.00 05:50:26 br-f0ddb40a724b 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 05:50:26 veth7744c59 0.11 0.18 0.01 0.01 0.00 0.00 0.00 0.00 05:50:26 veth3c60177 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 05:50:26 veth9826fec 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 05:50:26 veth4555a75 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 05:50:26 veth2e2a2ef 6.65 6.45 4.47 1.30 0.00 0.00 0.00 0.00 05:50:26 veth79a7e6e 0.86 0.92 0.10 0.92 0.00 0.00 0.00 0.00 05:50:26 vethf282ab5 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 05:50:26 veth849d745 0.41 0.40 0.05 0.57 0.00 0.00 0.00 0.00 06:00:01 lo 4.08 4.08 14.59 14.59 0.00 0.00 0.00 0.00 06:00:01 ens3 10.39 5.56 3.64 3.50 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 br-f0ddb40a724b 2.22 2.09 14.03 0.61 0.00 0.00 0.00 0.00 06:00:01 veth7744c59 0.52 0.33 0.08 0.39 0.00 0.00 0.00 0.00 06:00:01 veth3c60177 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 06:00:01 veth9826fec 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 veth4555a75 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 veth2e2a2ef 201.85 216.55 142.07 103.98 0.00 0.00 0.00 0.01 06:00:01 veth79a7e6e 113.12 105.42 82.97 56.69 0.00 0.00 0.00 0.01 06:00:01 veth849d745 110.02 102.35 50.96 88.85 0.00 0.00 0.00 0.01 Average: lo 2.39 2.39 7.17 7.17 0.00 0.00 0.00 0.00 Average: ens3 194.09 115.20 1356.03 40.41 0.00 0.00 0.00 0.00 Average: docker0 9.52 17.61 0.58 388.60 0.00 0.00 0.00 0.00 Average: br-f0ddb40a724b 1.23 1.16 6.88 0.31 0.00 0.00 0.00 0.00 Average: veth7744c59 0.31 0.26 0.04 0.20 0.00 0.00 0.00 0.00 Average: veth3c60177 0.13 0.17 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth9826fec 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth4555a75 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2e2a2ef 102.21 109.30 71.83 51.56 0.00 0.00 0.00 0.01 Average: veth79a7e6e 55.82 52.07 40.67 28.22 0.00 0.00 0.00 0.00 Average: veth849d745 54.07 50.31 24.98 43.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-2943) 06/27/26 _x86_64_ (8 CPU) 05:35:48 LINUX RESTART (8 CPU) 05:40:26 CPU %user %nice %system %iowait %steal %idle 05:50:26 all 34.08 0.02 4.44 1.02 0.08 60.36 05:50:26 0 30.58 0.02 4.26 0.92 0.08 64.13 05:50:26 1 36.08 0.01 4.49 1.18 0.08 58.16 05:50:26 2 38.30 0.03 4.22 0.93 0.09 56.44 05:50:26 3 33.48 0.02 4.28 0.61 0.07 61.53 05:50:26 4 30.79 0.03 4.59 1.09 0.08 63.42 05:50:26 5 33.35 0.02 4.31 0.78 0.08 61.48 05:50:26 6 34.16 0.01 4.74 1.78 0.08 59.23 05:50:26 7 35.88 0.02 4.64 0.87 0.08 58.52 06:00:01 all 7.27 0.00 0.97 0.03 0.07 91.65 06:00:01 0 6.36 0.00 1.01 0.08 0.08 92.47 06:00:01 1 7.84 0.00 1.08 0.02 0.08 90.98 06:00:01 2 9.77 0.00 1.08 0.02 0.08 89.06 06:00:01 3 6.52 0.00 0.91 0.04 0.08 92.46 06:00:01 4 7.13 0.00 0.92 0.03 0.08 91.84 06:00:01 5 7.30 0.00 0.91 0.01 0.07 91.70 06:00:01 6 6.49 0.00 0.92 0.03 0.08 92.49 06:00:01 7 6.74 0.03 0.91 0.03 0.06 92.23 Average: all 20.95 0.01 2.74 0.54 0.08 75.68 Average: 0 18.73 0.01 2.67 0.51 0.08 77.99 Average: 1 22.26 0.01 2.82 0.61 0.08 74.22 Average: 2 24.33 0.01 2.68 0.49 0.08 72.40 Average: 3 20.29 0.01 2.63 0.33 0.08 76.66 Average: 4 19.20 0.01 2.79 0.57 0.08 77.34 Average: 5 20.59 0.01 2.64 0.40 0.07 76.28 Average: 6 20.62 0.00 2.87 0.92 0.08 75.50 Average: 7 21.61 0.03 2.82 0.45 0.07 75.03