---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-14180 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 995 12077 4 19018 30628 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:9b:ce:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.129/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84497sec preferred_lft 84497sec inet6 fe80::f816:3eff:fe9b:ce55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:29:9a:c7:a8:5e 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::2429:9aff:fec7:a85e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-14180) 07/31/26 _x86_64_ (8 CPU) 07:49:21 LINUX RESTART (8 CPU) 07:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:03 687.63 4.64 663.11 19.88 307.25 67343.72 86550.58 08:10:04 80.10 0.38 76.99 2.73 15.96 8106.43 1163.83 08:20:06 11.07 0.00 10.11 0.96 0.03 444.58 8381.34 Average: 257.34 1.66 247.89 7.80 106.69 25076.29 31745.84 07:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:03 8390024 27233220 4970392 15.12 586200 17367052 5154868 15.20 4501176 18257492 1406064 08:10:04 695840 20252824 11899648 36.21 601312 18059576 17875264 52.71 4822736 23647904 1164 08:20:06 7520280 26619300 5565876 16.94 601624 17591876 7757120 22.87 4662348 18911288 532 Average: 5535381 24701781 7478639 22.76 596379 17672835 10262417 30.26 4662087 20272228 469253 07:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:03 lo 0.94 0.94 0.10 0.10 0.00 0.00 0.00 0.00 08:00:03 ens3 599.40 379.74 4423.51 117.96 0.00 0.00 0.00 0.00 08:00:03 docker0 37.70 60.81 2.30 867.64 0.00 0.00 0.00 0.00 08:00:03 br-3e8da5cab3ff 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:04 lo 1.63 1.63 2.99 2.99 0.00 0.00 0.00 0.00 08:10:04 ens3 4.10 2.60 1.55 1.49 0.00 0.00 0.00 0.00 08:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:04 br-3e8da5cab3ff 0.99 0.92 2.79 0.23 0.00 0.00 0.00 0.00 08:10:04 veth80956ad 0.52 0.45 0.07 0.31 0.00 0.00 0.00 0.00 08:10:04 veth597e829 116.43 124.30 71.38 58.91 0.00 0.00 0.00 0.01 08:10:04 vethd39a638 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:10:04 veth816708d 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:10:04 veth583274d 0.13 0.20 0.01 0.03 0.00 0.00 0.00 0.00 08:10:04 veth3c9af89 83.12 77.33 56.90 38.94 0.00 0.00 0.00 0.00 08:10:04 veth76457b1 40.40 37.40 17.95 31.60 0.00 0.00 0.00 0.00 08:20:06 lo 9.40 9.40 53.86 53.86 0.00 0.00 0.00 0.00 08:20:06 ens3 13.33 9.65 4.15 4.59 0.00 0.00 0.00 0.00 08:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:06 br-3e8da5cab3ff 5.51 5.00 52.97 1.01 0.00 0.00 0.00 0.00 08:20:06 veth80956ad 0.40 0.22 0.07 0.34 0.00 0.00 0.00 0.00 08:20:06 veth597e829 286.94 310.31 232.28 133.34 0.00 0.00 0.00 0.02 08:20:06 vethd39a638 0.00 0.04 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 4.01 4.01 19.09 19.09 0.00 0.00 0.00 0.00 Average: ens3 203.54 129.36 1460.90 40.95 0.00 0.00 0.00 0.00 Average: docker0 12.44 20.06 0.76 286.17 0.00 0.00 0.00 0.00 Average: br-3e8da5cab3ff 2.18 1.98 18.69 0.41 0.00 0.00 0.00 0.00 Average: veth80956ad 0.31 0.23 0.05 0.22 0.00 0.00 0.00 0.00 Average: veth597e829 135.18 145.65 101.77 64.43 0.00 0.00 0.00 0.01 Average: vethd39a638 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-14180) 07/31/26 _x86_64_ (8 CPU) 07:49:21 LINUX RESTART (8 CPU) 07:50:11 CPU %user %nice %system %iowait %steal %idle 08:00:03 all 36.44 0.00 5.26 1.39 0.10 56.80 08:00:03 0 34.04 0.00 5.69 1.56 0.10 58.61 08:00:03 1 39.66 0.00 5.58 1.29 0.11 53.35 08:00:03 2 37.93 0.00 4.55 1.37 0.10 56.05 08:00:03 3 33.17 0.00 5.14 1.73 0.11 59.86 08:00:03 4 42.70 0.00 5.47 1.39 0.11 50.33 08:00:03 5 36.41 0.00 5.46 1.39 0.10 56.64 08:00:03 6 34.00 0.00 5.18 1.22 0.10 59.50 08:00:03 7 33.65 0.00 5.00 1.18 0.10 60.07 08:10:04 all 10.47 0.02 1.28 0.21 0.07 87.94 08:10:04 0 10.25 0.01 1.54 0.55 0.07 87.58 08:10:04 1 10.40 0.02 1.37 0.25 0.08 87.88 08:10:04 2 10.00 0.02 1.29 0.14 0.07 88.47 08:10:04 3 10.62 0.01 1.10 0.14 0.07 88.05 08:10:04 4 11.26 0.04 1.31 0.08 0.07 87.24 08:10:04 5 11.05 0.02 1.21 0.20 0.07 87.45 08:10:04 6 10.25 0.02 1.25 0.26 0.08 88.15 08:10:04 7 9.96 0.04 1.16 0.06 0.07 88.72 08:20:06 all 4.98 0.00 1.22 0.03 0.08 93.69 08:20:06 0 4.37 0.00 1.50 0.04 0.07 94.02 08:20:06 1 5.28 0.00 1.35 0.01 0.08 93.28 08:20:06 2 4.64 0.00 1.20 0.01 0.08 94.06 08:20:06 3 5.26 0.00 1.22 0.06 0.08 93.38 08:20:06 4 5.24 0.00 1.21 0.04 0.08 93.43 08:20:06 5 5.85 0.00 1.15 0.03 0.08 92.89 08:20:06 6 4.49 0.00 1.15 0.05 0.08 94.24 08:20:06 7 4.66 0.00 1.01 0.02 0.08 94.23 Average: all 17.20 0.01 2.57 0.54 0.08 79.60 Average: 0 16.10 0.00 2.89 0.71 0.08 80.22 Average: 1 18.34 0.01 2.75 0.51 0.09 78.30 Average: 2 17.44 0.01 2.34 0.50 0.08 79.63 Average: 3 16.28 0.00 2.47 0.64 0.08 80.52 Average: 4 19.61 0.01 2.65 0.50 0.09 77.15 Average: 5 17.65 0.01 2.59 0.54 0.08 79.13 Average: 6 16.16 0.01 2.51 0.50 0.09 80.73 Average: 7 15.99 0.01 2.37 0.42 0.08 81.12