---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1819 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 50% / 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: 7976 515 4625 0 2835 7165 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:06:e3:35 brd ff:ff:ff:ff:ff:ff inet 10.32.6.83/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85959sec preferred_lft 85959sec inet6 fe80::f816:3eff:fe06:e335/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:70:34:bd:3e 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-1819) 08/23/25 _x86_64_ (4 CPU) 19:39:30 LINUX RESTART (4 CPU) 19:40:01 tps rtps wtps bread/s bwrtn/s 19:41:01 111.83 51.62 60.21 3975.74 5917.68 19:42:01 74.39 18.20 56.19 1265.66 9077.95 19:43:01 124.90 93.18 31.71 3663.52 7722.45 19:44:01 15.31 3.55 11.76 165.81 5337.69 19:45:01 43.68 29.93 13.75 1543.08 4424.60 19:46:01 24.25 1.23 23.01 94.52 7434.23 Average: 65.72 32.95 32.77 1784.68 6652.40 19:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:41:01 5792960 7385316 2374468 29.07 41400 1728712 1003368 10.89 619984 1580180 86788 19:42:01 5562852 7418916 2604576 31.89 61732 1956560 1146476 12.44 595692 1802624 134676 19:43:01 4679360 6830328 3488068 42.71 71668 2232260 1934248 20.99 1237188 2022564 98796 19:44:01 4115536 6332448 4051892 49.61 73344 2294060 1899244 20.61 1793528 2023412 4512 19:45:01 3710424 6111608 4457004 54.57 77772 2466948 2124080 23.05 2082596 2123364 15024 19:46:01 4690712 7288832 3476716 42.57 81984 2656516 1071104 11.62 969000 2255532 25664 Average: 4758641 6894575 3408787 41.74 67983 2222509 1529753 16.60 1216331 1967946 60910 19:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:41:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:41:01 ens3 454.36 258.01 1588.31 69.37 0.00 0.00 0.00 0.00 19:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:42:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 19:42:01 ens3 60.64 39.01 444.35 10.77 0.00 0.00 0.00 0.00 19:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:43:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 19:43:01 ens3 188.29 168.44 2388.73 22.49 0.00 0.00 0.00 0.00 19:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:44:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:44:01 ens3 96.65 79.02 777.82 19.08 0.00 0.00 0.00 0.00 19:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:45:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 19:45:01 ens3 87.27 64.49 367.98 15.27 0.00 0.00 0.00 0.00 19:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:46:01 lo 0.82 0.82 0.06 0.06 0.00 0.00 0.00 0.00 19:46:01 ens3 71.04 62.66 586.97 14.71 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: lo 0.76 0.76 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 159.71 111.94 1025.69 25.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1819) 08/23/25 _x86_64_ (4 CPU) 19:39:30 LINUX RESTART (4 CPU) 19:40:01 CPU %user %nice %system %iowait %steal %idle 19:41:01 all 20.88 0.00 1.91 4.53 2.13 70.55 19:41:01 0 13.27 0.00 1.81 2.95 2.46 79.51 19:41:01 1 11.44 0.00 1.59 5.29 1.56 80.12 19:41:01 2 12.04 0.00 1.62 7.05 1.92 77.37 19:41:01 3 46.97 0.00 2.61 2.80 2.60 45.02 19:42:01 all 20.98 0.00 1.39 2.55 1.26 73.82 19:42:01 0 13.09 0.00 1.29 1.38 1.26 82.99 19:42:01 1 6.24 0.00 0.55 1.20 0.58 91.44 19:42:01 2 17.82 0.00 0.85 6.25 1.08 74.00 19:42:01 3 46.69 0.00 2.90 1.41 2.10 46.90 19:43:01 all 28.67 0.00 1.82 6.12 3.83 59.56 19:43:01 0 25.08 0.00 2.12 7.93 3.72 61.15 19:43:01 1 27.35 0.00 1.64 4.87 3.04 63.10 19:43:01 2 34.00 0.00 1.55 5.53 3.62 55.30 19:43:01 3 28.23 0.00 1.97 6.15 4.92 58.74 19:44:01 all 68.58 0.00 1.70 0.29 5.96 23.47 19:44:01 0 74.21 0.00 1.97 0.51 6.08 17.22 19:44:01 1 52.52 0.00 2.01 0.25 5.86 39.38 19:44:01 2 76.08 0.00 1.24 0.18 5.86 16.64 19:44:01 3 71.63 0.00 1.57 0.20 6.05 20.55 19:45:01 all 60.38 0.00 2.53 1.02 4.82 31.26 19:45:01 0 55.63 0.00 2.70 1.13 4.79 35.76 19:45:01 1 66.74 0.00 2.43 1.61 4.50 24.72 19:45:01 2 62.05 0.00 1.90 0.13 4.66 31.26 19:45:01 3 57.07 0.00 3.06 1.22 5.35 33.30 19:46:01 all 30.72 0.00 1.32 0.73 1.91 65.32 19:46:01 0 19.50 0.00 0.75 0.12 1.43 78.20 19:46:01 1 31.61 0.00 1.31 0.27 2.08 64.74 19:46:01 2 15.53 0.00 1.05 2.33 1.43 79.67 19:46:01 3 56.23 0.00 2.18 0.18 2.71 38.71 Average: all 38.39 0.00 1.78 2.54 3.32 53.97 Average: 0 33.45 0.00 1.77 2.34 3.29 59.14 Average: 1 32.69 0.00 1.59 2.24 2.94 60.53 Average: 2 36.29 0.00 1.37 3.58 3.10 55.67 Average: 3 51.11 0.00 2.38 2.00 3.96 40.55