---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1103 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 27G 128G 18% / 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 882 13434 3 17775 30742 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:b9:93:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.249/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84015sec preferred_lft 84015sec inet6 fe80::f816:3eff:feb9:934a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:92:41:e5:2c:55 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::d892:41ff:fee5:2c55/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1103) 03/11/26 _x86_64_ (8 CPU) 08:03:49 LINUX RESTART (8 CPU) 08:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:00 475.42 0.55 465.60 9.27 7.54 50267.46 180206.31 08:30:19 176.77 2.28 168.52 5.97 53.87 17354.00 118231.26 08:40:19 13.43 2.21 10.92 0.30 81.89 481.16 7175.75 Average: 220.73 1.69 213.86 5.18 47.94 22571.28 101843.63 08:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:00 7677044 25779820 6432540 19.57 540436 16787680 6851760 20.21 4886740 18712424 112 08:30:19 233932 19473592 12673108 38.56 580928 17732612 18407328 54.28 5409060 23492108 1068 08:40:19 236636 18468856 13678676 41.62 576296 16754472 19392140 57.19 5139980 23784028 404 Average: 2715871 21240756 10928108 33.25 565887 17091588 14883743 43.89 5145260 21996187 528 08:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:00 lo 0.37 0.37 0.05 0.05 0.00 0.00 0.00 0.00 08:20:00 ens3 210.44 130.69 1787.11 30.21 0.00 0.00 0.00 0.00 08:20:00 docker0 26.97 36.76 1.48 442.98 0.00 0.00 0.00 0.00 08:30:19 lo 0.53 0.53 0.08 0.08 0.00 0.00 0.00 0.00 08:30:19 ens3 73.44 53.93 1337.69 11.48 0.00 0.00 0.00 0.00 08:30:19 docker0 5.71 8.53 0.33 128.95 0.00 0.00 0.00 0.00 08:30:19 br-789d472c2f45 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:30:19 veth24b4268 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:30:19 vethf7b7330 53.78 57.02 22.70 28.99 0.00 0.00 0.00 0.00 08:30:19 veth4c5d569 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:30:19 veth9417046 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 08:30:19 veth3432ff7 0.41 0.38 0.05 0.22 0.00 0.00 0.00 0.00 08:30:19 veth80672f5 52.99 49.38 39.91 19.45 0.00 0.00 0.00 0.00 08:30:19 vetha0a7b1e 1.02 1.69 0.86 11.89 0.00 0.00 0.00 0.00 08:30:19 veth4b5536a 1.86 1.50 0.25 1.46 0.00 0.00 0.00 0.00 08:40:19 lo 10.96 10.96 53.75 53.75 0.00 0.00 0.00 0.00 08:40:19 ens3 17.62 12.57 7.27 6.88 0.00 0.00 0.00 0.00 08:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:19 br-789d472c2f45 6.08 6.00 52.71 1.19 0.00 0.00 0.00 0.00 08:40:19 veth24b4268 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:19 vethf7b7330 331.35 357.01 268.55 158.79 0.00 0.00 0.00 0.02 08:40:19 veth4c5d569 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 08:40:19 veth9417046 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:19 veth3432ff7 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 08:40:19 veth80672f5 119.17 110.57 102.33 75.26 0.00 0.00 0.00 0.01 08:40:19 veth4b5536a 246.95 229.97 113.46 197.57 0.00 0.00 0.00 0.02 Average: lo 3.93 3.93 17.82 17.82 0.00 0.00 0.00 0.00 Average: ens3 99.92 65.43 1045.26 16.10 0.00 0.00 0.00 0.00 Average: docker0 10.79 14.97 0.60 189.32 0.00 0.00 0.00 0.00 Average: br-789d472c2f45 2.10 2.07 17.43 0.40 0.00 0.00 0.00 0.00 Average: veth24b4268 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethf7b7330 127.90 137.50 96.53 62.39 0.00 0.00 0.00 0.01 Average: veth4c5d569 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth9417046 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3432ff7 0.27 0.20 0.04 0.19 0.00 0.00 0.00 0.00 Average: veth80672f5 57.49 53.41 47.46 31.52 0.00 0.00 0.00 0.00 Average: veth4b5536a 82.28 76.54 37.59 65.82 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1103) 03/11/26 _x86_64_ (8 CPU) 08:03:49 LINUX RESTART (8 CPU) 08:10:04 CPU %user %nice %system %iowait %steal %idle 08:20:00 all 20.40 0.00 3.40 1.52 0.07 74.61 08:20:00 0 18.21 0.00 2.92 1.39 0.07 77.40 08:20:00 1 18.72 0.00 3.31 1.11 0.06 76.79 08:20:00 2 23.69 0.00 3.39 1.36 0.07 71.48 08:20:00 3 22.25 0.00 4.57 1.80 0.07 71.31 08:20:00 4 22.04 0.00 2.93 0.67 0.07 74.29 08:20:00 5 22.67 0.00 3.57 1.88 0.07 71.81 08:20:00 6 19.30 0.00 2.74 2.66 0.06 75.24 08:20:00 7 16.29 0.00 3.77 1.32 0.07 78.55 08:30:19 all 9.60 0.02 1.63 0.81 0.07 87.89 08:30:19 0 8.62 0.02 1.66 0.85 0.07 88.78 08:30:19 1 10.94 0.00 1.49 0.80 0.07 86.69 08:30:19 2 9.70 0.03 1.60 0.65 0.07 87.95 08:30:19 3 11.09 0.01 1.77 1.43 0.07 85.62 08:30:19 4 8.68 0.03 1.59 0.60 0.06 89.05 08:30:19 5 10.08 0.01 1.72 0.64 0.07 87.47 08:30:19 6 9.36 0.01 1.66 0.85 0.06 88.06 08:30:19 7 8.29 0.03 1.51 0.65 0.07 89.46 08:40:19 all 7.16 0.00 1.11 0.11 0.07 91.54 08:40:19 0 6.60 0.00 1.06 0.21 0.08 92.05 08:40:19 1 7.21 0.00 1.19 0.15 0.07 91.37 08:40:19 2 7.37 0.00 1.04 0.07 0.08 91.45 08:40:19 3 6.76 0.00 1.22 0.08 0.07 91.87 08:40:19 4 6.97 0.00 1.00 0.06 0.07 91.90 08:40:19 5 8.09 0.00 1.12 0.08 0.07 90.64 08:40:19 6 8.48 0.00 1.18 0.08 0.07 90.20 08:40:19 7 5.81 0.00 1.09 0.17 0.06 92.86 Average: all 12.34 0.01 2.04 0.81 0.07 84.73 Average: 0 11.10 0.01 1.87 0.82 0.07 86.13 Average: 1 12.27 0.00 1.99 0.69 0.07 84.98 Average: 2 13.53 0.01 2.00 0.69 0.07 83.69 Average: 3 13.32 0.00 2.51 1.11 0.07 82.99 Average: 4 12.50 0.01 1.83 0.44 0.07 85.14 Average: 5 13.56 0.00 2.13 0.86 0.07 83.38 Average: 6 12.33 0.00 1.86 1.19 0.06 84.56 Average: 7 10.10 0.01 2.12 0.71 0.07 87.00