---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-666 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 17G 139G 11% / 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 748 20920 4 10423 30876 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:d7:71:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.215/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83569sec preferred_lft 83569sec inet6 fe80::f816:3eff:fed7:7166/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:b4:15:08:97:38 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::2cb4:15ff:fe08:9738/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-666) 03/30/26 _x86_64_ (8 CPU) 13:37:18 LINUX RESTART (8 CPU) 13:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:06 4.19 0.42 3.56 0.21 403.16 400.39 312.22 14:00:01 1.82 0.21 1.59 0.02 1.83 18.86 25.06 14:10:21 1.41 0.00 1.41 0.00 0.00 16.26 0.00 14:20:00 130.19 5.18 119.19 5.82 665.62 26532.38 2359.31 Average: 33.31 1.41 30.44 1.46 262.29 6517.33 654.32 13:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:06 29932108 31772860 611668 1.86 63248 2114684 1511568 4.46 317300 2324884 44 14:00:01 29921328 31763428 621304 1.89 64428 2114840 1512148 4.46 318492 2337412 16 14:10:21 29920880 31763616 621044 1.89 65052 2114852 1512280 4.46 319128 2343380 156 14:20:00 20040948 29417252 2827668 8.60 189376 9237168 9448940 27.86 1215908 10865804 12020 Average: 27453816 31179289 1170421 3.56 95526 3895386 3496234 10.31 542707 4467870 3059 13:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:06 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 13:50:06 ens3 6.47 2.76 129.08 0.50 0.00 0.00 0.00 0.00 13:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:00:01 ens3 0.72 0.35 0.27 0.42 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:21 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:10:21 ens3 0.39 0.20 0.14 0.28 0.00 0.00 0.00 0.00 14:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 1.40 1.40 0.28 0.28 0.00 0.00 0.00 0.00 14:20:00 ens3 171.76 106.52 3816.03 12.89 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 br-aeaa742bef71 1.74 2.92 0.11 37.23 0.00 0.00 0.00 0.00 14:20:00 veth3a9a7d2 0.47 0.68 0.08 0.09 0.00 0.00 0.00 0.00 14:20:00 veth38ffa27 0.01 0.10 0.00 0.01 0.00 0.00 0.00 0.00 14:20:00 veth1736697 0.05 0.13 0.01 0.11 0.00 0.00 0.00 0.00 14:20:00 veth470fbe8 15.43 17.73 2.88 2.76 0.00 0.00 0.00 0.00 14:20:00 veth0a67386 1.94 1.64 0.23 0.24 0.00 0.00 0.00 0.00 14:20:00 vetha2d9bcd 1.64 2.96 0.13 37.23 0.00 0.00 0.00 0.00 14:20:00 vethf7539b0 9.54 9.56 1.66 1.94 0.00 0.00 0.00 0.00 14:20:00 veth5f11884 1.21 1.39 0.24 0.17 0.00 0.00 0.00 0.00 14:20:00 veth111808d 0.46 0.60 0.07 0.06 0.00 0.00 0.00 0.00 Average: lo 0.42 0.42 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 43.39 26.56 954.11 3.42 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: br-aeaa742bef71 0.42 0.71 0.03 8.99 0.00 0.00 0.00 0.00 Average: veth3a9a7d2 0.11 0.16 0.02 0.02 0.00 0.00 0.00 0.00 Average: veth38ffa27 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1736697 0.01 0.03 0.00 0.03 0.00 0.00 0.00 0.00 Average: veth470fbe8 3.73 4.28 0.70 0.67 0.00 0.00 0.00 0.00 Average: veth0a67386 0.47 0.40 0.06 0.06 0.00 0.00 0.00 0.00 Average: vetha2d9bcd 0.40 0.72 0.03 8.99 0.00 0.00 0.00 0.00 Average: vethf7539b0 2.30 2.31 0.40 0.47 0.00 0.00 0.00 0.00 Average: veth5f11884 0.29 0.34 0.06 0.04 0.00 0.00 0.00 0.00 Average: veth111808d 0.11 0.15 0.02 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-666) 03/30/26 _x86_64_ (8 CPU) 13:37:18 LINUX RESTART (8 CPU) 13:40:05 CPU %user %nice %system %iowait %steal %idle 13:50:06 all 0.18 0.00 0.06 0.04 0.01 99.71 13:50:06 0 0.12 0.00 0.05 0.06 0.01 99.76 13:50:06 1 0.19 0.00 0.05 0.14 0.01 99.61 13:50:06 2 0.18 0.00 0.11 0.03 0.01 99.68 13:50:06 3 0.11 0.00 0.05 0.01 0.01 99.81 13:50:06 4 0.43 0.00 0.06 0.04 0.01 99.46 13:50:06 5 0.16 0.00 0.05 0.00 0.01 99.77 13:50:06 6 0.11 0.00 0.04 0.01 0.00 99.83 13:50:06 7 0.14 0.00 0.06 0.01 0.00 99.79 14:00:01 all 0.05 0.00 0.02 0.01 0.01 99.92 14:00:01 0 0.02 0.00 0.02 0.01 0.01 99.94 14:00:01 1 0.02 0.00 0.01 0.00 0.00 99.97 14:00:01 2 0.02 0.00 0.01 0.00 0.01 99.97 14:00:01 3 0.06 0.00 0.03 0.01 0.01 99.89 14:00:01 4 0.26 0.00 0.02 0.04 0.01 99.68 14:00:01 5 0.03 0.00 0.02 0.01 0.01 99.94 14:00:01 6 0.01 0.00 0.01 0.00 0.01 99.97 14:00:01 7 0.01 0.00 0.02 0.00 0.00 99.96 14:10:21 all 0.10 0.00 0.02 0.02 0.01 99.87 14:10:21 0 0.02 0.00 0.01 0.00 0.01 99.95 14:10:21 1 0.07 0.00 0.01 0.00 0.00 99.91 14:10:21 2 0.01 0.00 0.01 0.00 0.00 99.98 14:10:21 3 0.07 0.00 0.02 0.00 0.01 99.91 14:10:21 4 0.53 0.00 0.01 0.11 0.00 99.34 14:10:21 5 0.03 0.00 0.04 0.00 0.01 99.91 14:10:21 6 0.02 0.00 0.02 0.01 0.00 99.95 14:10:21 7 0.02 0.00 0.01 0.00 0.00 99.97 14:20:00 all 5.83 0.00 1.49 0.62 0.03 92.03 14:20:00 0 5.01 0.00 1.53 0.32 0.03 93.10 14:20:00 1 8.15 0.00 1.57 0.47 0.03 89.78 14:20:00 2 6.59 0.00 1.51 0.68 0.03 91.19 14:20:00 3 4.70 0.00 1.62 1.02 0.03 92.64 14:20:00 4 5.65 0.00 1.40 0.81 0.03 92.12 14:20:00 5 5.77 0.00 1.55 0.67 0.03 91.98 14:20:00 6 5.64 0.00 1.37 0.62 0.03 92.34 14:20:00 7 5.14 0.00 1.33 0.41 0.02 93.11 Average: all 1.49 0.00 0.38 0.17 0.01 97.95 Average: 0 1.25 0.00 0.39 0.10 0.02 98.25 Average: 1 2.03 0.00 0.40 0.15 0.01 97.41 Average: 2 1.64 0.00 0.40 0.17 0.01 97.78 Average: 3 1.19 0.00 0.41 0.25 0.01 98.13 Average: 4 1.67 0.00 0.36 0.24 0.01 97.72 Average: 5 1.45 0.00 0.40 0.17 0.01 97.97 Average: 6 1.40 0.00 0.35 0.15 0.01 98.09 Average: 7 1.28 0.00 0.34 0.10 0.01 98.27