---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3027 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 24G 132G 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 839 12986 4 18266 30785 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:6e:cc:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.171/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84694sec preferred_lft 84694sec inet6 fe80::f816:3eff:fe6e:cce5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:24:4b:8f:80:33 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::c424:4bff:fe8f:8033/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3027) 03/19/26 _x86_64_ (8 CPU) 08:46:50 LINUX RESTART (8 CPU) 08:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:19 432.65 0.52 420.53 11.59 24.30 44881.16 36899.42 09:10:19 10.89 0.32 10.25 0.32 6.93 466.69 2590.47 Average: 225.18 0.43 218.71 6.05 15.75 23032.61 20022.01 08:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:19 2211900 20956708 11195024 34.07 619344 17208452 17024136 50.20 3310144 23654980 1612 09:10:19 936316 19775640 12374772 37.66 620504 17296896 18021792 53.14 3353824 24852256 1332 Average: 1574108 20366174 11784898 35.86 619924 17252674 17522964 51.67 3331984 24253618 1472 08:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:19 lo 0.75 0.75 0.12 0.12 0.00 0.00 0.00 0.00 09:00:19 ens3 293.36 178.88 3560.74 56.14 0.00 0.00 0.00 0.00 09:00:19 docker0 8.75 19.65 0.54 480.24 0.00 0.00 0.00 0.00 09:00:19 br-a43edf0f51d2 0.30 0.25 0.01 0.02 0.00 0.00 0.00 0.00 09:00:19 veth36b41dc 32.91 33.84 10.79 11.06 0.00 0.00 0.00 0.00 09:00:19 vethe5dff84 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:00:19 veth8564c5e 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 09:00:19 veth37439d4 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:00:19 veth163da47 0.38 0.37 0.04 0.18 0.00 0.00 0.00 0.00 09:00:19 veth412b339 28.80 27.89 13.39 7.39 0.00 0.00 0.00 0.00 09:00:19 veth70cd749 0.33 0.55 0.52 3.32 0.00 0.00 0.00 0.00 09:00:19 veth984aacc 1.47 1.19 0.20 1.24 0.00 0.00 0.00 0.00 09:10:19 lo 8.06 8.06 36.63 36.63 0.00 0.00 0.00 0.00 09:10:19 ens3 14.35 9.51 5.76 5.45 0.00 0.00 0.00 0.00 09:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:19 br-a43edf0f51d2 4.41 4.25 35.78 0.94 0.00 0.00 0.00 0.00 09:10:19 veth36b41dc 306.40 330.51 241.40 154.13 0.00 0.00 0.00 0.02 09:10:19 vethe5dff84 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 09:10:19 veth8564c5e 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 09:10:19 veth37439d4 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 09:10:19 veth163da47 0.40 0.20 0.07 0.34 0.00 0.00 0.00 0.00 09:10:19 veth412b339 128.27 118.21 106.73 75.48 0.00 0.00 0.00 0.01 09:10:19 veth984aacc 210.55 196.00 95.84 169.90 0.00 0.00 0.00 0.01 Average: lo 4.35 4.35 18.08 18.08 0.00 0.00 0.00 0.00 Average: ens3 156.11 95.56 1811.96 31.20 0.00 0.00 0.00 0.00 Average: docker0 4.44 9.99 0.28 244.00 0.00 0.00 0.00 0.00 Average: br-a43edf0f51d2 2.32 2.22 17.61 0.47 0.00 0.00 0.00 0.00 Average: veth36b41dc 167.45 179.78 124.23 81.44 0.00 0.00 0.00 0.01 Average: vethe5dff84 0.13 0.16 0.01 0.04 0.00 0.00 0.00 0.00 Average: veth8564c5e 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth37439d4 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth163da47 0.39 0.29 0.06 0.26 0.00 0.00 0.00 0.00 Average: veth412b339 77.73 72.32 59.31 40.89 0.00 0.00 0.00 0.00 Average: veth984aacc 104.32 97.02 47.25 84.21 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3027) 03/19/26 _x86_64_ (8 CPU) 08:46:50 LINUX RESTART (8 CPU) 08:50:00 CPU %user %nice %system %iowait %steal %idle 09:00:19 all 32.00 0.02 3.65 0.58 0.11 63.63 09:00:19 0 31.02 0.02 3.68 0.71 0.10 64.47 09:00:19 1 32.65 0.01 3.33 0.40 0.11 63.50 09:00:19 2 31.71 0.01 3.63 0.54 0.10 64.01 09:00:19 3 31.55 0.02 3.51 0.36 0.10 64.46 09:00:19 4 32.13 0.01 3.72 0.51 0.21 63.42 09:00:19 5 32.45 0.05 3.91 1.04 0.10 62.45 09:00:19 6 32.56 0.07 3.82 0.50 0.09 62.96 09:00:19 7 31.97 0.01 3.59 0.61 0.10 63.73 09:10:19 all 8.06 0.00 1.31 0.05 0.08 90.49 09:10:19 0 7.93 0.00 1.30 0.02 0.09 90.67 09:10:19 1 7.78 0.00 1.37 0.13 0.08 90.63 09:10:19 2 9.29 0.00 1.39 0.02 0.08 89.22 09:10:19 3 8.60 0.00 1.37 0.02 0.09 89.92 09:10:19 4 7.45 0.00 1.21 0.04 0.09 91.20 09:10:19 5 7.71 0.00 1.24 0.04 0.08 90.94 09:10:19 6 7.31 0.00 1.28 0.06 0.08 91.28 09:10:19 7 8.44 0.00 1.32 0.10 0.08 90.06 Average: all 20.25 0.01 2.50 0.32 0.10 76.81 Average: 0 19.69 0.01 2.51 0.37 0.09 77.32 Average: 1 20.44 0.00 2.37 0.27 0.10 76.82 Average: 2 20.69 0.00 2.53 0.29 0.09 76.40 Average: 3 20.27 0.01 2.46 0.19 0.09 76.98 Average: 4 20.04 0.00 2.49 0.28 0.15 77.04 Average: 5 20.30 0.02 2.60 0.55 0.09 76.44 Average: 6 20.16 0.04 2.57 0.28 0.09 76.87 Average: 7 20.44 0.00 2.48 0.36 0.09 76.63