---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1196 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 9.1G 11G 48% / 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 515 5158 0 2302 7183 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:45:6d:22 brd ff:ff:ff:ff:ff:ff inet 10.32.6.65/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe45:6d22/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:29:58:af:1b 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-1196) 12/20/25 _x86_64_ (4 CPU) 00:25:44 LINUX RESTART (4 CPU) 00:26:01 tps rtps wtps bread/s bwrtn/s 00:27:01 158.12 69.07 89.05 5586.80 40069.34 00:28:01 72.14 11.88 60.26 1043.69 9017.96 00:29:01 100.13 41.11 59.02 3548.21 9390.57 00:30:01 20.43 0.90 19.53 28.13 1424.03 Average: 87.71 30.74 56.97 2551.71 14975.47 00:26:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:27:01 5855584 7386352 2311836 28.31 38364 1672128 1008904 10.95 610984 1528728 67896 00:28:01 5630560 7448048 2536860 31.06 60000 1920976 920452 9.99 556356 1775100 121104 00:29:01 5347276 7416780 2820144 34.53 62636 2168172 952348 10.33 705076 1904924 27260 00:30:01 5300796 7375320 2866624 35.10 64832 2170640 987400 10.71 752792 1904092 11876 Average: 5533554 7406625 2633866 32.25 56458 1982979 967276 10.50 656302 1778211 57034 00:26:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:27:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 00:27:01 ens3 409.25 234.04 1173.53 64.38 0.00 0.00 0.00 0.00 00:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:28:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 00:28:01 ens3 56.01 47.38 579.77 6.33 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 0.87 0.87 0.12 0.12 0.00 0.00 0.00 0.00 00:29:01 ens3 298.43 174.24 2275.76 25.40 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 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 00:30:01 ens3 8.35 10.28 6.41 4.75 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 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 193.01 116.48 1008.87 25.21 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-1196) 12/20/25 _x86_64_ (4 CPU) 00:25:44 LINUX RESTART (4 CPU) 00:26:01 CPU %user %nice %system %iowait %steal %idle 00:27:01 all 18.95 0.00 2.89 4.98 2.64 70.54 00:27:01 0 11.53 0.00 2.58 5.27 2.23 78.40 00:27:01 1 7.39 0.00 2.75 7.60 2.84 79.42 00:27:01 2 24.88 0.00 3.81 3.35 2.76 65.20 00:27:01 3 32.08 0.00 2.39 3.72 2.72 59.09 00:28:01 all 20.07 0.00 1.24 2.04 1.15 75.50 00:28:01 0 4.73 0.00 0.48 0.47 0.28 94.04 00:28:01 1 26.55 0.00 1.83 5.39 1.28 64.95 00:28:01 2 37.66 0.00 2.04 0.81 1.91 57.57 00:28:01 3 11.32 0.00 0.63 1.49 1.14 85.42 00:29:01 all 25.76 0.00 1.61 3.11 2.99 66.53 00:29:01 0 26.53 0.00 1.74 4.64 3.23 63.85 00:29:01 1 29.84 0.00 1.69 3.18 3.05 62.23 00:29:01 2 29.71 0.00 1.43 1.54 2.85 64.47 00:29:01 3 16.95 0.00 1.56 3.07 2.82 75.59 00:30:01 all 19.97 0.00 0.73 0.77 1.10 77.43 00:30:01 0 23.14 0.00 0.78 0.20 0.88 75.00 00:30:01 1 36.71 0.00 0.84 0.30 1.92 60.23 00:30:01 2 5.74 0.00 0.63 2.17 0.73 90.72 00:30:01 3 14.24 0.00 0.68 0.40 0.88 83.80 Average: all 21.19 0.00 1.62 2.73 1.97 72.50 Average: 0 16.48 0.00 1.40 2.65 1.66 77.81 Average: 1 25.10 0.00 1.78 4.12 2.27 66.72 Average: 2 24.50 0.00 1.98 1.97 2.06 69.48 Average: 3 18.64 0.00 1.31 2.17 1.89 75.98