---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-2018 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: 2799.998 BogoMIPS: 5599.99 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 9.9G 9.4G 52% / 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: 7975 519 4274 0 3181 7157 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:f4:6c:f8 brd ff:ff:ff:ff:ff:ff inet 10.32.6.55/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fef4:6cf8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:10:73:02:5a 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-2018) 12/30/25 _x86_64_ (4 CPU) 07:05:33 LINUX RESTART (4 CPU) 07:06:02 tps rtps wtps bread/s bwrtn/s 07:07:01 127.08 52.57 74.51 4040.94 30192.98 07:08:01 78.48 12.13 66.35 2211.47 11733.07 07:09:01 129.27 0.53 128.74 41.19 47974.94 07:10:01 18.42 0.40 18.02 32.78 1435.95 Average: 88.15 16.26 71.89 1571.09 22803.18 07:06:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:07:01 5762132 7348032 2405288 29.45 41360 1722600 1049176 11.38 651688 1577356 80984 07:08:01 5388624 7411620 2778796 34.02 61436 2122828 1170592 12.70 641824 1923312 182828 07:09:01 4315624 7269312 3851796 47.16 88904 2963496 1133992 12.30 839832 2711652 16516 07:10:01 4315476 7272884 3851944 47.16 91152 2964744 1133120 12.30 844048 2707524 19972 Average: 4945464 7325462 3221956 39.45 70713 2443417 1121720 12.17 744348 2229961 75075 07:06:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 lo 0.68 0.68 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 440.87 253.13 1514.56 68.36 0.00 0.00 0.00 0.00 07:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:08:01 lo 2.40 2.40 0.24 0.24 0.00 0.00 0.00 0.00 07:08:01 ens3 309.55 128.60 2675.99 14.20 0.00 0.00 0.00 0.00 07:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 lo 2.47 2.47 0.22 0.22 0.00 0.00 0.00 0.00 07:09:01 ens3 480.02 183.59 3426.47 240.60 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 07:10:01 ens3 11.73 12.51 9.17 6.00 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 1.62 1.62 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 309.98 143.99 1908.06 82.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-2018) 12/30/25 _x86_64_ (4 CPU) 07:05:33 LINUX RESTART (4 CPU) 07:06:02 CPU %user %nice %system %iowait %steal %idle 07:07:01 all 22.45 0.00 1.98 4.48 1.37 69.72 07:07:01 0 14.11 0.00 1.69 7.26 1.00 75.94 07:07:01 1 25.73 0.00 2.08 4.25 1.54 66.40 07:07:01 2 17.19 0.00 1.48 4.20 1.48 75.65 07:07:01 3 32.81 0.00 2.68 2.22 1.48 60.81 07:08:01 all 20.06 0.00 1.65 2.10 1.15 75.04 07:08:01 0 36.14 0.00 2.18 1.40 1.12 59.16 07:08:01 1 1.85 0.00 0.60 0.22 0.33 97.00 07:08:01 2 6.01 0.00 1.04 5.88 1.42 85.64 07:08:01 3 36.33 0.00 2.74 0.90 1.75 58.29 07:09:01 all 21.52 0.00 5.58 2.43 1.53 68.94 07:09:01 0 12.52 0.00 5.10 0.94 1.33 80.10 07:09:01 1 31.35 0.00 6.22 3.70 1.85 56.88 07:09:01 2 31.43 0.00 6.47 3.46 1.60 57.04 07:09:01 3 10.74 0.00 4.50 1.60 1.33 81.83 07:10:01 all 21.20 0.00 0.83 0.63 0.94 76.39 07:10:01 0 27.22 0.00 0.62 0.13 0.92 71.11 07:10:01 1 5.00 0.00 0.33 0.03 0.99 93.65 07:10:01 2 18.82 0.00 1.13 2.06 0.77 77.22 07:10:01 3 33.83 0.00 1.28 0.30 1.10 63.49 Average: all 21.30 0.00 2.50 2.40 1.25 72.55 Average: 0 22.56 0.00 2.39 2.42 1.09 71.53 Average: 1 15.88 0.00 2.30 2.03 1.18 78.61 Average: 2 18.31 0.00 2.52 3.90 1.32 73.95 Average: 3 28.46 0.00 2.80 1.25 1.41 66.08