---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7801 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 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 664K 797M 1% /run /dev/vda1 20G 7.8G 12G 41% / 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 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 436 5195 0 2343 7253 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:73:37:b2 brd ff:ff:ff:ff:ff:ff inet 10.32.7.240/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe73:37b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7801) 08/08/26 _x86_64_ (4 CPU) 07:38:55 LINUX RESTART (4 CPU) 07:39:01 tps rtps wtps bread/s bwrtn/s 07:40:01 152.46 65.81 86.65 4266.62 40828.28 07:41:01 68.46 12.18 56.27 275.69 9946.08 07:42:01 92.67 6.37 86.30 403.93 14775.67 07:43:01 27.65 0.72 26.93 76.92 3899.22 Average: 85.31 21.27 64.04 1255.79 17362.31 07:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 6005856 7436128 2161564 26.47 37628 1572384 683620 7.42 565120 1431852 92712 07:41:01 5615960 7397800 2551460 31.24 58160 1884240 806824 8.75 617624 1731104 205668 07:42:01 4902968 6986044 3264452 39.97 66264 2167980 972716 10.55 1084888 1954704 62300 07:43:01 5321248 7427208 2846172 34.85 69512 2187732 657904 7.14 671048 1952248 11900 Average: 5461508 7311795 2705912 33.13 57891 1953084 780266 8.47 734670 1767477 93145 07:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 ens3 393.80 225.85 1452.05 64.10 0.00 0.00 0.00 0.00 07:40:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 07:41:01 ens3 81.35 71.72 874.58 15.88 0.00 0.00 0.00 0.00 07:41:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 07:42:01 ens3 405.33 439.28 3418.98 94.38 0.00 0.00 0.00 0.00 07:42:01 lo 1.45 1.45 0.17 0.17 0.00 0.00 0.00 0.00 07:43:01 ens3 38.24 42.79 127.93 13.19 0.00 0.00 0.00 0.00 07:43:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 229.68 194.91 1468.39 46.89 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7801) 08/08/26 _x86_64_ (4 CPU) 07:38:55 LINUX RESTART (4 CPU) 07:39:01 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 22.45 0.00 2.79 4.64 1.02 69.11 07:40:01 0 10.41 0.00 1.42 3.90 0.64 83.62 07:40:01 1 10.51 0.00 5.29 9.91 0.87 73.42 07:40:01 2 32.18 0.00 1.73 1.77 1.25 63.07 07:40:01 3 36.79 0.00 2.74 2.97 1.37 56.13 07:41:01 all 22.61 0.00 1.41 1.60 0.88 73.50 07:41:01 0 6.11 0.00 0.74 2.98 0.67 89.51 07:41:01 1 4.00 0.00 0.65 2.97 0.43 91.95 07:41:01 2 58.39 0.00 2.74 0.27 1.62 36.99 07:41:01 3 21.92 0.00 1.54 0.18 0.75 75.61 07:42:01 all 44.09 0.00 2.24 1.99 2.64 49.04 07:42:01 0 33.14 0.00 2.20 3.70 2.54 58.42 07:42:01 1 51.38 0.00 1.71 1.43 2.70 42.77 07:42:01 2 41.62 0.00 1.97 1.21 2.52 52.68 07:42:01 3 50.21 0.00 3.06 1.61 2.79 42.33 07:43:01 all 21.93 0.00 1.13 0.76 0.85 75.33 07:43:01 0 7.61 0.00 0.92 1.70 0.52 89.27 07:43:01 1 10.98 0.00 0.75 0.08 0.33 87.86 07:43:01 2 67.03 0.00 2.19 0.18 1.70 28.90 07:43:01 3 2.29 0.00 0.66 1.10 0.86 95.09 Average: all 27.77 0.00 1.89 2.25 1.35 66.74 Average: 0 14.31 0.00 1.32 3.07 1.09 80.21 Average: 1 19.22 0.00 2.10 3.59 1.08 74.00 Average: 2 49.79 0.00 2.16 0.86 1.77 45.42 Average: 3 27.79 0.00 2.00 1.47 1.44 67.30