---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1068 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 2.0G 0 2.0G 0% /dev tmpfs 395M 696K 394M 1% /run /dev/vda1 20G 11G 8.6G 56% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 5.3M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3944 486 369 0 3088 3174 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:90:d2:3a brd ff:ff:ff:ff:ff:ff inet 10.32.7.4/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86099sec preferred_lft 86099sec inet6 fe80::f816:3eff:fe90:d23a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0f:4c:14:e4 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-1068) 07/23/25 _x86_64_ (4 CPU) 01:27:36 LINUX RESTART (4 CPU) 01:28:01 tps rtps wtps bread/s bwrtn/s 01:29:01 145.05 60.43 84.62 4653.38 40846.93 01:30:01 58.92 4.60 54.32 823.06 8557.37 01:31:01 290.06 60.11 229.95 3716.19 82431.18 01:32:01 55.26 35.04 20.23 1243.32 1382.74 Average: 137.34 40.05 97.29 2609.15 33309.68 01:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:29:01 1677716 3275492 2360944 58.46 40124 1719832 973904 19.14 621192 1574240 87156 01:30:01 1500400 3334572 2538260 62.85 59344 1922496 897856 17.65 585140 1757364 111408 01:31:01 515024 3303932 3523636 87.25 123536 2749564 1037540 20.39 889388 2342668 284 01:32:01 418208 3262724 3620452 89.64 125360 2802760 979608 19.26 942736 2385184 7884 Average: 1027837 3294180 3010823 74.55 87091 2298663 972227 19.11 759614 2014864 51683 01:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:29:01 ens3 357.11 206.58 1422.06 63.35 0.00 0.00 0.00 0.00 01:29:01 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 01:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 ens3 33.19 28.61 289.01 7.90 0.00 0.00 0.00 0.00 01:30:01 lo 2.00 2.00 0.17 0.17 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 ens3 631.05 434.31 8191.57 600.95 0.00 0.00 0.00 0.00 01:31:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 01:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:01 ens3 26.24 32.39 13.22 141.91 0.00 0.00 0.00 0.00 01:32:01 lo 1.40 1.40 0.12 0.12 0.00 0.00 0.00 0.00 01:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 261.94 175.50 2479.53 203.57 0.00 0.00 0.00 0.00 Average: lo 1.42 1.42 0.13 0.13 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 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1068) 07/23/25 _x86_64_ (4 CPU) 01:27:36 LINUX RESTART (4 CPU) 01:28:01 CPU %user %nice %system %iowait %steal %idle 01:29:01 all 22.23 0.00 2.95 3.90 1.27 69.65 01:29:01 0 18.93 0.00 2.11 4.23 1.22 73.51 01:29:01 1 15.05 0.00 1.68 7.11 0.93 75.23 01:29:01 2 34.93 0.00 6.19 1.78 1.68 55.42 01:29:01 3 19.98 0.00 1.84 2.49 1.25 74.44 01:30:01 all 21.01 0.00 1.50 1.67 0.94 74.88 01:30:01 0 4.40 0.00 0.32 0.12 0.20 94.97 01:30:01 1 13.01 0.00 1.35 2.89 0.85 81.91 01:30:01 2 30.21 0.00 2.22 0.22 1.33 66.02 01:30:01 3 36.45 0.00 2.09 3.44 1.38 56.64 01:31:01 all 29.47 0.00 9.51 7.05 2.39 51.57 01:31:01 0 29.66 0.00 10.19 7.26 2.19 50.70 01:31:01 1 28.99 0.00 10.51 5.52 2.28 52.71 01:31:01 2 29.41 0.00 8.07 5.47 2.55 54.51 01:31:01 3 29.83 0.00 9.31 10.00 2.56 48.31 01:32:01 all 20.62 0.00 1.08 1.42 0.88 76.00 01:32:01 0 7.74 0.00 0.98 2.45 0.32 88.50 01:32:01 1 17.67 0.00 0.78 0.98 1.10 79.47 01:32:01 2 52.31 0.00 1.84 0.98 1.59 43.28 01:32:01 3 4.82 0.00 0.71 1.28 0.55 92.64 Average: all 23.31 0.00 3.74 3.50 1.37 68.08 Average: 0 15.15 0.00 3.38 3.50 0.98 76.99 Average: 1 18.64 0.00 3.56 4.12 1.29 72.39 Average: 2 36.73 0.00 4.56 2.10 1.78 54.82 Average: 3 22.72 0.00 3.46 4.28 1.43 68.11