---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1409 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 9.9G 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 508 4288 0 3178 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:f8:33:2a brd ff:ff:ff:ff:ff:ff inet 10.32.6.209/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86118sec preferred_lft 86118sec inet6 fe80::f816:3eff:fef8:332a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:81:e6:81:bb 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-1409) 12/22/25 _x86_64_ (4 CPU) 08:56:47 LINUX RESTART (4 CPU) 08:57:01 tps rtps wtps bread/s bwrtn/s 08:58:02 154.19 69.22 84.97 5627.19 39778.26 08:59:01 52.06 0.22 51.84 23.58 7153.79 09:00:01 162.82 12.92 149.90 2264.53 54244.53 09:01:01 18.80 0.40 18.40 32.79 1376.44 Average: 97.15 20.78 76.38 1995.37 25714.01 08:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:58:02 5870356 7392740 2297064 28.12 37104 1666032 989020 10.73 601644 1523092 59324 08:59:01 5645476 7392272 2521944 30.88 55924 1858804 979356 10.63 610816 1713212 137424 09:00:01 4462180 7395980 3705240 45.37 87928 2952068 979884 10.63 684952 2727524 780 09:01:01 4432064 7378328 3735356 45.73 90716 2960308 1026852 11.14 711524 2730192 12064 Average: 5102519 7389830 3064901 37.53 67918 2359303 993778 10.78 652234 2173505 52398 08:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:58:02 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 08:58:02 ens3 384.29 212.34 1135.50 63.54 0.00 0.00 0.00 0.00 08:58:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 lo 0.61 0.61 0.05 0.05 0.00 0.00 0.00 0.00 08:59:01 ens3 66.61 56.73 719.94 6.53 0.00 0.00 0.00 0.00 08:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 4.33 4.33 0.41 0.41 0.00 0.00 0.00 0.00 09:00:01 ens3 718.45 226.45 5737.48 117.06 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:01:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 09:01:01 ens3 13.23 14.41 9.24 14.35 0.00 0.00 0.00 0.00 09:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.72 1.72 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 296.57 127.78 1905.16 50.55 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-1409) 12/22/25 _x86_64_ (4 CPU) 08:56:47 LINUX RESTART (4 CPU) 08:57:01 CPU %user %nice %system %iowait %steal %idle 08:58:02 all 18.17 0.00 3.02 5.34 2.21 71.27 08:58:02 0 11.71 0.00 3.82 3.22 1.88 79.36 08:58:02 1 11.25 0.00 2.55 9.79 1.92 74.49 08:58:02 2 17.65 0.00 2.67 6.29 2.51 70.88 08:58:02 3 32.03 0.00 3.01 2.06 2.53 60.38 08:59:01 all 19.37 0.00 1.20 1.98 1.33 76.13 08:59:01 0 16.43 0.00 0.64 0.61 1.08 81.23 08:59:01 1 12.80 0.00 0.83 0.30 0.98 85.08 08:59:01 2 24.04 0.00 1.76 5.75 1.57 66.88 08:59:01 3 24.17 0.00 1.56 1.24 1.68 71.34 09:00:01 all 18.94 0.00 5.73 2.95 3.79 68.58 09:00:01 0 12.64 0.00 5.60 5.00 3.85 72.91 09:00:01 1 24.21 0.00 6.38 1.53 4.37 63.51 09:00:01 2 27.94 0.00 6.62 4.34 4.01 57.09 09:00:01 3 11.09 0.00 4.34 0.91 2.91 80.74 09:01:01 all 20.11 0.00 0.92 0.85 1.55 76.58 09:01:01 0 25.66 0.00 1.09 0.98 1.71 70.56 09:01:01 1 12.62 0.00 0.86 0.05 1.26 85.21 09:01:01 2 17.96 0.00 0.58 1.01 1.78 78.68 09:01:01 3 24.23 0.00 1.16 1.33 1.45 71.83 Average: all 19.15 0.00 2.72 2.78 2.22 73.13 Average: 0 16.60 0.00 2.81 2.47 2.14 75.98 Average: 1 15.23 0.00 2.66 2.92 2.14 77.05 Average: 2 21.88 0.00 2.91 4.34 2.47 68.41 Average: 3 22.88 0.00 2.52 1.39 2.14 71.07