---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1946 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 9.7G 68G 13% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 614 11700 0 3724 15094 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:aa:d0:4a brd ff:ff:ff:ff:ff:ff inet 10.30.107.188/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86075sec preferred_lft 86075sec inet6 fe80::f816:3eff:feaa:d04a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1946) 11/09/26 _x86_64_ (4 CPU) 08:42:18 LINUX RESTART (4 CPU) 08:43:01 tps rtps wtps bread/s bwrtn/s 08:44:01 205.35 40.18 165.17 2429.60 29111.41 08:45:02 39.71 6.10 33.61 249.69 4011.73 08:46:01 74.68 0.03 74.65 0.95 10008.34 08:47:01 150.60 5.48 145.12 154.62 23331.02 Average: 117.77 13.00 104.76 711.65 16643.55 08:43:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:44:01 12665324 14727924 3759644 22.89 77452 2169060 1754920 10.04 1540332 1967936 87732 08:45:02 9372452 11597872 7052516 42.94 81112 2318640 4571460 26.16 4700964 2075260 127904 08:46:01 8858264 11677056 7566704 46.07 90388 2844768 4761448 27.25 4841804 2382980 392184 08:47:01 9133632 12446768 7291336 44.39 95128 3314964 3663216 20.96 4275004 2655228 178868 Average: 10007418 12612405 6417550 39.07 86020 2661858 3687761 21.10 3839526 2270351 196672 08:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:44:01 lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 08:44:01 ens3 339.71 250.27 3546.30 52.16 0.00 0.00 0.00 0.00 08:45:02 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 08:45:02 ens3 69.76 42.16 145.01 22.29 0.00 0.00 0.00 0.00 08:46:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 08:46:01 ens3 152.11 116.54 1055.77 700.03 0.00 0.00 0.00 0.00 08:47:01 lo 2.00 2.00 13.57 13.57 0.00 0.00 0.00 0.00 08:47:01 ens3 241.19 165.64 959.89 115.09 0.00 0.00 0.00 0.00 Average: lo 0.75 0.75 3.43 3.43 0.00 0.00 0.00 0.00 Average: ens3 200.90 143.77 1428.28 220.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1946) 11/09/26 _x86_64_ (4 CPU) 08:42:18 LINUX RESTART (4 CPU) 08:43:01 CPU %user %nice %system %iowait %steal %idle 08:44:01 all 33.93 0.00 2.09 2.08 0.01 61.88 08:44:01 0 26.21 0.00 1.46 1.19 0.02 71.11 08:44:01 1 32.12 0.00 2.44 1.52 0.00 63.92 08:44:01 2 47.60 0.00 2.24 3.43 0.00 46.73 08:44:01 3 29.78 0.00 2.24 2.17 0.00 65.81 08:45:02 all 60.78 0.00 1.31 0.13 0.02 37.77 08:45:02 0 54.58 0.00 1.43 0.03 0.03 43.92 08:45:02 1 53.99 0.00 1.35 0.22 0.02 44.43 08:45:02 2 65.29 0.00 0.95 0.12 0.02 33.62 08:45:02 3 69.28 0.00 1.52 0.12 0.02 29.07 08:46:01 all 52.95 0.00 1.80 0.14 0.02 45.10 08:46:01 0 32.63 0.00 1.11 0.00 0.00 66.26 08:46:01 1 52.35 0.00 1.32 0.15 0.05 46.13 08:46:01 2 64.62 0.00 1.24 0.25 0.02 33.87 08:46:01 3 62.38 0.00 3.52 0.15 0.02 33.93 08:47:01 all 59.84 0.00 2.50 0.42 0.02 37.22 08:47:01 0 63.45 0.00 2.04 0.02 0.02 34.48 08:47:01 1 52.71 0.00 2.16 0.33 0.02 44.78 08:47:01 2 54.34 0.00 2.32 0.45 0.02 42.87 08:47:01 3 68.89 0.00 3.48 0.89 0.02 26.73 Average: all 51.89 0.00 1.92 0.69 0.02 45.48 Average: 0 44.27 0.00 1.51 0.31 0.02 53.89 Average: 1 47.79 0.00 1.82 0.56 0.02 49.81 Average: 2 57.94 0.00 1.69 1.07 0.01 39.29 Average: 3 57.57 0.00 2.68 0.83 0.01 38.90