---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3261 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: 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 836 12640 4 18615 30788 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:1e:21:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.250/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84430sec preferred_lft 84430sec inet6 fe80::f816:3eff:fe1e:2133/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:f7:36:4d:66:7b 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::e8f7:36ff:fe4d:667b/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-3261) 03/19/26 _x86_64_ (8 CPU) 14:58:00 LINUX RESTART (8 CPU) 15:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:12 650.23 1.14 634.16 14.93 69.82 66263.36 87203.20 15:20:03 49.78 0.33 46.96 2.49 7.07 2626.21 1786.40 15:30:12 16.71 0.10 15.28 1.33 11.22 567.11 11647.91 Average: 239.11 0.52 232.33 6.25 29.43 23180.61 33646.68 15:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:12 5840788 24471380 7691984 23.41 580908 17213556 11341544 33.44 4493504 18921308 396 15:20:03 1339272 20485560 11668780 35.51 594124 17688636 17257604 50.89 4734936 23124192 1508 15:30:12 12925236 31498152 698812 2.13 594636 17106584 1649432 4.86 4568148 13682836 26080 Average: 6701765 25485031 6686525 20.35 589889 17336259 10082860 29.73 4598863 18576112 9328 15:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:12 lo 0.66 0.66 0.09 0.09 0.00 0.00 0.00 0.00 15:10:12 ens3 442.92 282.77 3468.51 79.51 0.00 0.00 0.00 0.00 15:10:12 docker0 27.63 45.08 1.60 772.40 0.00 0.00 0.00 0.00 15:10:12 br-4c7678b31fc6 0.20 0.19 0.01 0.01 0.00 0.00 0.00 0.00 15:10:12 veth9d58fe7 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 15:10:12 vethcecd8a7 0.16 0.23 0.01 0.02 0.00 0.00 0.00 0.00 15:10:12 vethb561038 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 15:10:12 veth101542f 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 15:10:12 vethff778d8 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 15:10:12 vethe1256b3 0.12 0.11 0.01 0.01 0.00 0.00 0.00 0.00 15:20:03 lo 2.05 2.05 4.60 4.60 0.00 0.00 0.00 0.00 15:20:03 ens3 2.14 1.65 1.05 1.01 0.00 0.00 0.00 0.00 15:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:03 br-4c7678b31fc6 1.04 0.99 4.32 0.30 0.00 0.00 0.00 0.00 15:20:03 veth9d58fe7 0.51 0.38 0.07 0.32 0.00 0.00 0.00 0.00 15:20:03 vethcecd8a7 134.95 143.65 88.02 68.43 0.00 0.00 0.00 0.01 15:20:03 vethb561038 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 15:20:03 veth101542f 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 15:20:03 vethff778d8 0.10 0.13 0.01 0.03 0.00 0.00 0.00 0.00 15:20:03 veth4c29a28 89.83 84.18 61.77 42.17 0.00 0.00 0.00 0.01 15:20:03 veth750a486 53.47 49.43 24.66 45.33 0.00 0.00 0.00 0.00 15:30:12 lo 10.29 10.29 51.68 51.68 0.00 0.00 0.00 0.00 15:30:12 ens3 24.95 14.91 10.22 8.85 0.00 0.00 0.00 0.00 15:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.37 4.37 19.02 19.02 0.00 0.00 0.00 0.00 Average: ens3 157.05 100.01 1162.08 29.88 0.00 0.00 0.00 0.00 Average: docker0 9.23 15.05 0.53 257.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3261) 03/19/26 _x86_64_ (8 CPU) 14:58:00 LINUX RESTART (8 CPU) 15:00:11 CPU %user %nice %system %iowait %steal %idle 15:10:12 all 32.73 0.00 4.84 4.14 0.09 58.20 15:10:12 0 29.73 0.00 4.75 3.76 0.09 61.67 15:10:12 1 32.59 0.01 5.02 4.23 0.09 58.06 15:10:12 2 29.13 0.00 4.73 4.24 0.09 61.82 15:10:12 3 35.60 0.00 4.87 3.01 0.10 56.41 15:10:12 4 36.34 0.00 4.63 6.53 0.09 52.42 15:10:12 5 32.40 0.00 4.68 2.78 0.09 60.05 15:10:12 6 35.04 0.00 5.01 3.93 0.09 55.93 15:10:12 7 30.97 0.00 5.01 4.67 0.09 59.26 15:20:03 all 9.48 0.02 0.98 0.62 0.07 88.84 15:20:03 0 9.10 0.02 0.95 0.51 0.07 89.35 15:20:03 1 9.47 0.02 1.07 1.39 0.07 87.98 15:20:03 2 9.57 0.02 0.92 0.19 0.07 89.23 15:20:03 3 9.39 0.01 0.99 0.23 0.06 89.32 15:20:03 4 9.17 0.03 0.98 0.30 0.06 89.45 15:20:03 5 9.47 0.01 1.01 0.73 0.06 88.71 15:20:03 6 9.81 0.03 0.92 0.99 0.06 88.18 15:20:03 7 9.84 0.02 1.02 0.59 0.07 88.47 15:30:12 all 4.97 0.00 1.06 0.29 0.07 93.61 15:30:12 0 4.28 0.00 1.07 0.11 0.06 94.47 15:30:12 1 4.72 0.00 1.08 0.19 0.06 93.94 15:30:12 2 5.43 0.00 1.22 0.17 0.07 93.10 15:30:12 3 5.62 0.00 1.05 0.20 0.07 93.06 15:30:12 4 4.93 0.00 1.00 0.39 0.06 93.62 15:30:12 5 4.66 0.00 1.03 0.62 0.07 93.63 15:30:12 6 4.22 0.00 0.98 0.47 0.07 94.26 15:30:12 7 5.90 0.00 1.04 0.18 0.07 92.80 Average: all 15.71 0.01 2.29 1.68 0.07 80.23 Average: 0 14.36 0.01 2.26 1.46 0.07 81.84 Average: 1 15.58 0.01 2.39 1.93 0.08 80.01 Average: 2 14.69 0.01 2.29 1.53 0.08 81.40 Average: 3 16.85 0.00 2.30 1.15 0.08 79.61 Average: 4 16.81 0.01 2.20 2.41 0.07 78.50 Average: 5 15.50 0.00 2.24 1.38 0.07 80.81 Average: 6 16.34 0.01 2.31 1.79 0.07 79.48 Average: 7 15.56 0.01 2.36 1.81 0.08 80.19