---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-2062 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 xtopology 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 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 696K 797M 1% /run /dev/vda1 20G 11G 9.2G 53% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 5.3M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7976 547 4053 0 3375 7129 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:20:9a:21 brd ff:ff:ff:ff:ff:ff inet 10.32.7.251/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe20:9a21/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f1:db:7e:36 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 ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-2062) 12/30/25 _x86_64_ (4 CPU) 20:19:46 LINUX RESTART (4 CPU) 20:20:01 tps rtps wtps bread/s bwrtn/s 20:21:01 153.72 69.07 84.66 5585.34 39754.41 20:22:01 62.71 0.12 62.59 21.46 9379.77 20:23:01 164.68 13.06 151.62 2267.11 58846.65 20:24:01 18.33 0.40 17.93 32.79 1380.57 Average: 99.87 20.66 79.20 1976.99 27342.70 20:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:21:01 5891548 7412772 2275880 27.87 37456 1664152 988380 10.72 590616 1519864 63012 20:22:01 5570316 7368312 2597112 31.80 58712 1903520 1028068 11.16 649448 1748872 132580 20:23:01 4127216 7268112 4040212 49.47 91916 3140252 1124636 12.20 866560 2869640 7060 20:24:01 4119392 7267300 4048036 49.56 95304 3142692 1122300 12.18 874732 2867056 11160 Average: 4927118 7329124 3240310 39.67 70847 2462654 1065846 11.57 745339 2251358 53453 20:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:21:01 ens3 363.07 192.24 1072.09 63.25 0.00 0.00 0.00 0.00 20:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:21:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 20:22:01 ens3 53.12 44.11 676.08 5.50 0.00 0.00 0.00 0.00 20:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:22:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 20:23:01 ens3 304.75 176.54 6305.74 94.75 0.00 0.00 0.00 0.00 20:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:23:01 lo 3.00 3.00 0.26 0.26 0.00 0.00 0.00 0.00 20:24:01 ens3 11.86 12.66 9.16 5.96 0.00 0.00 0.00 0.00 20:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:24:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 183.22 106.40 2015.87 42.37 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: lo 1.37 1.37 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-2062) 12/30/25 _x86_64_ (4 CPU) 20:19:46 LINUX RESTART (4 CPU) 20:20:01 CPU %user %nice %system %iowait %steal %idle 20:21:01 all 18.61 0.00 2.67 5.25 2.72 70.74 20:21:01 0 34.99 0.00 5.82 7.58 3.36 48.25 20:21:01 1 17.61 0.00 1.49 5.27 2.42 73.20 20:21:01 2 13.32 0.00 1.82 1.49 2.94 80.44 20:21:01 3 8.50 0.00 1.57 6.66 2.17 81.10 20:22:01 all 19.85 0.00 1.18 2.37 1.21 75.39 20:22:01 0 33.44 0.00 1.28 6.94 1.88 56.46 20:22:01 1 24.81 0.00 1.81 1.01 1.13 71.23 20:22:01 2 9.80 0.00 1.00 1.48 1.36 86.37 20:22:01 3 11.31 0.00 0.67 0.07 0.45 87.50 20:23:01 all 19.46 0.00 6.01 2.74 3.54 68.25 20:23:01 0 33.35 0.00 4.24 1.10 3.41 57.90 20:23:01 1 15.16 0.00 4.96 3.87 3.19 72.82 20:23:01 2 16.10 0.00 7.27 4.06 3.94 68.63 20:23:01 3 13.30 0.00 7.55 1.91 3.64 73.60 20:24:01 all 20.90 0.00 0.93 0.78 1.29 76.10 20:24:01 0 35.33 0.00 1.26 0.38 1.58 61.44 20:24:01 1 23.41 0.00 1.16 2.50 1.11 71.82 20:24:01 2 21.24 0.00 0.99 0.10 1.49 76.18 20:24:01 3 3.66 0.00 0.33 0.15 0.96 94.90 Average: all 19.70 0.00 2.70 2.79 2.19 72.62 Average: 0 34.28 0.00 3.15 4.01 2.56 56.00 Average: 1 20.25 0.00 2.35 3.16 1.96 72.27 Average: 2 15.11 0.00 2.76 1.78 2.43 77.92 Average: 3 9.19 0.00 2.53 2.20 1.81 84.28