---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1638 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 2.0G 0 2.0G 0% /dev tmpfs 395M 696K 394M 1% /run /dev/vda1 20G 9.0G 11G 47% / 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: 3943 465 1222 0 2255 3218 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:86:af:5f brd ff:ff:ff:ff:ff:ff inet 10.32.7.104/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe86:af5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:36:64:4f:4d 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-1638) 07/30/25 _x86_64_ (4 CPU) 00:25:43 LINUX RESTART (4 CPU) 00:26:01 tps rtps wtps bread/s bwrtn/s 00:27:02 158.14 69.06 89.09 5613.86 39880.84 00:28:01 58.32 0.15 58.17 26.57 8906.27 00:29:01 89.57 51.92 37.64 4550.04 8008.93 00:30:01 21.38 0.78 20.60 23.06 1404.43 Average: 81.95 30.60 51.34 2563.85 14573.49 00:26:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:27:02 1783032 3325060 2255620 55.85 38176 1667624 936912 18.42 570604 1522760 65008 00:28:01 1483864 3288600 2554788 63.26 58244 1894764 961636 18.90 620440 1739944 126780 00:29:01 1273180 3319032 2765472 68.48 61664 2130484 924028 18.16 690064 1875308 31332 00:30:01 1265428 3309412 2773224 68.67 63640 2125740 934376 18.37 714920 1857864 11072 Average: 1451376 3310526 2587276 64.06 55431 1954653 939238 18.46 649007 1748969 58548 00:26:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:27:02 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 00:27:02 ens3 378.60 213.06 1098.21 63.44 0.00 0.00 0.00 0.00 00:27:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:28:01 lo 0.54 0.54 0.04 0.04 0.00 0.00 0.00 0.00 00:28:01 ens3 44.90 38.07 641.98 4.98 0.00 0.00 0.00 0.00 00:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:29:01 lo 1.67 1.67 0.18 0.18 0.00 0.00 0.00 0.00 00:29:01 ens3 239.93 126.28 1597.12 22.95 0.00 0.00 0.00 0.00 00:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 00:30:01 ens3 8.73 10.65 6.50 6.00 0.00 0.00 0.00 0.00 00:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 168.55 97.26 836.76 24.42 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 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1638) 07/30/25 _x86_64_ (4 CPU) 00:25:43 LINUX RESTART (4 CPU) 00:26:01 CPU %user %nice %system %iowait %steal %idle 00:27:02 all 19.78 0.00 2.72 4.95 1.35 71.19 00:27:02 0 18.73 0.00 1.50 1.60 1.10 77.08 00:27:02 1 14.48 0.00 1.59 3.84 1.44 78.65 00:27:02 2 6.84 0.00 1.82 8.57 1.05 81.73 00:27:02 3 39.21 0.00 5.99 5.83 1.82 47.15 00:28:01 all 20.69 0.00 1.26 1.73 1.09 75.24 00:28:01 0 5.00 0.00 0.36 0.00 0.27 94.38 00:28:01 1 37.73 0.00 2.11 0.30 1.54 58.31 00:28:01 2 0.96 0.00 0.29 5.30 0.42 93.02 00:28:01 3 38.99 0.00 2.26 1.31 2.09 55.35 00:29:01 all 24.32 0.00 1.54 1.87 1.70 70.57 00:29:01 0 18.04 0.00 1.13 1.15 1.45 78.24 00:29:01 1 19.50 0.00 1.73 1.55 1.58 75.64 00:29:01 2 12.52 0.00 0.86 2.15 1.38 83.08 00:29:01 3 47.21 0.00 2.46 2.63 2.38 45.32 00:30:01 all 21.27 0.00 0.84 0.57 0.99 76.34 00:30:01 0 6.86 0.00 0.60 0.98 0.48 91.08 00:30:01 1 16.40 0.00 0.61 0.43 1.32 81.23 00:30:01 2 28.03 0.00 1.02 0.03 1.08 69.83 00:30:01 3 33.84 0.00 1.13 0.82 1.07 63.14 Average: all 21.52 0.00 1.59 2.28 1.28 73.33 Average: 0 12.19 0.00 0.90 0.94 0.83 85.15 Average: 1 21.95 0.00 1.51 1.54 1.47 73.53 Average: 2 12.13 0.00 1.00 4.01 0.99 81.88 Average: 3 39.82 0.00 2.96 2.65 1.84 52.74