---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1830 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 9.5G 9.8G 49% / 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 511 4663 0 2801 7168 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:30:0d:13 brd ff:ff:ff:ff:ff:ff inet 10.32.6.74/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85982sec preferred_lft 85982sec inet6 fe80::f816:3eff:fe30:d13/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:32:07:c4:48 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-1830) 12/27/25 _x86_64_ (4 CPU) 15:10:44 LINUX RESTART (4 CPU) 15:11:01 tps rtps wtps bread/s bwrtn/s 15:12:01 154.83 68.76 86.07 5524.43 40214.48 15:13:01 79.07 5.35 73.72 182.90 9733.44 15:14:01 124.22 95.95 28.26 4842.77 6019.72 15:15:01 12.03 0.95 11.08 60.12 4936.64 15:16:01 43.09 28.32 14.76 1500.30 4494.24 15:17:01 23.45 2.92 20.53 146.24 7636.86 Average: 72.79 33.71 39.07 2043.11 12172.62 15:11:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:12:01 5873404 7398316 2294016 28.09 40124 1664012 997748 10.83 606628 1515264 50004 15:13:01 5605340 7441776 2562080 31.37 64364 1933888 922096 10.01 573536 1780448 126284 15:14:01 4490152 6596720 3677268 45.02 74260 2186560 1760952 19.11 1497800 1950944 84736 15:15:01 4295688 6467408 3871732 47.40 76168 2246940 1763536 19.14 1657536 1980380 4592 15:16:01 4041464 6395836 4125956 50.52 80536 2418456 1815112 19.70 1797048 2080156 13064 15:17:01 4725136 7286408 3442284 42.15 85324 2616684 1065764 11.56 976424 2213040 26008 Average: 4838531 6931077 3328889 40.76 70129 2177757 1387535 15.06 1184829 1920039 50781 15:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 ens3 491.07 258.60 1146.99 67.52 0.00 0.00 0.00 0.00 15:12:01 lo 1.47 1.47 0.16 0.16 0.00 0.00 0.00 0.00 15:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 ens3 202.77 115.10 1066.36 16.95 0.00 0.00 0.00 0.00 15:13:01 lo 0.73 0.73 0.08 0.08 0.00 0.00 0.00 0.00 15:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 ens3 150.07 135.31 1458.62 19.25 0.00 0.00 0.00 0.00 15:14:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 15:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 ens3 85.97 74.39 803.68 16.00 0.00 0.00 0.00 0.00 15:15:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 15:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 ens3 92.74 72.41 367.55 14.75 0.00 0.00 0.00 0.00 15:16:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 15:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 ens3 84.69 77.65 691.37 15.18 0.00 0.00 0.00 0.00 15:17:01 lo 0.92 0.92 0.08 0.08 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: ens3 184.55 122.25 922.46 24.94 0.00 0.00 0.00 0.00 Average: lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1830) 12/27/25 _x86_64_ (4 CPU) 15:10:44 LINUX RESTART (4 CPU) 15:11:01 CPU %user %nice %system %iowait %steal %idle 15:12:01 all 19.51 0.00 3.11 5.18 1.31 70.90 15:12:01 0 18.06 0.00 1.92 10.02 1.17 68.84 15:12:01 1 26.62 0.00 2.60 3.38 1.18 66.22 15:12:01 2 16.28 0.00 2.29 4.55 1.60 75.28 15:12:01 3 17.07 0.00 5.61 2.74 1.30 73.28 15:13:01 all 21.49 0.00 1.53 2.29 0.90 73.78 15:13:01 0 21.16 0.00 1.05 0.22 0.63 76.94 15:13:01 1 51.36 0.00 3.03 0.80 1.46 43.34 15:13:01 2 11.54 0.00 1.43 1.13 1.08 84.82 15:13:01 3 1.77 0.00 0.64 7.07 0.40 90.12 15:14:01 all 34.43 0.00 1.89 4.89 2.30 56.49 15:14:01 0 33.43 0.00 1.57 3.22 2.20 59.58 15:14:01 1 34.85 0.00 1.67 4.51 2.16 56.81 15:14:01 2 32.24 0.00 2.50 7.69 2.60 54.98 15:14:01 3 37.18 0.00 1.85 4.12 2.28 54.57 15:15:01 all 70.68 0.00 1.79 0.11 4.40 23.03 15:15:01 0 78.20 0.00 1.40 0.02 4.67 15.72 15:15:01 1 77.42 0.00 1.45 0.03 3.83 17.27 15:15:01 2 65.77 0.00 1.83 0.15 4.58 27.68 15:15:01 3 61.34 0.00 2.47 0.27 4.51 31.42 15:16:01 all 61.20 0.00 2.47 1.09 3.79 31.45 15:16:01 0 62.86 0.00 2.08 1.31 3.59 30.17 15:16:01 1 69.47 0.00 2.34 1.40 3.44 23.35 15:16:01 2 52.55 0.00 3.16 0.87 4.11 39.32 15:16:01 3 59.92 0.00 2.30 0.76 4.04 32.97 15:17:01 all 41.40 0.00 1.43 0.61 2.28 54.29 15:17:01 0 45.00 0.00 1.30 0.30 2.33 51.08 15:17:01 1 37.23 0.00 0.98 0.47 1.78 59.54 15:17:01 2 24.28 0.00 2.13 1.61 2.28 69.69 15:17:01 3 59.03 0.00 1.31 0.08 2.74 36.84 Average: all 41.49 0.00 2.04 2.36 2.50 51.62 Average: 0 43.15 0.00 1.55 2.51 2.43 50.35 Average: 1 49.51 0.00 2.01 1.76 2.31 44.40 Average: 2 33.80 0.00 2.22 2.66 2.71 58.61 Average: 3 39.48 0.00 2.36 2.50 2.55 53.11