---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-17749 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: 2799.996 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 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 9.0G 69G 12% / 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 613 12562 0 2863 15098 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:24:07:0d brd ff:ff:ff:ff:ff:ff inet 10.30.106.19/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86094sec preferred_lft 86094sec inet6 fe80::f816:3eff:fe24:70d/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-17749) 09/04/26 _x86_64_ (4 CPU) 03:04:23 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 128.18 11.23 116.95 306.62 35394.90 03:07:01 97.93 4.50 93.43 128.51 13080.09 03:08:01 15.46 5.23 10.23 407.80 1171.14 03:09:01 31.28 2.63 28.65 133.84 8939.04 Average: 68.21 5.90 62.31 244.19 14646.29 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13807428 15605384 2617540 15.94 72244 1916720 705560 4.04 621672 1765616 195808 03:07:01 12963812 14956952 3461156 21.07 85232 2089684 1436048 8.22 1295056 1914128 16344 03:08:01 11925692 13947116 4499276 27.39 86500 2115600 2311128 13.23 2330844 1911688 1876 03:09:01 12828072 15425124 3596896 21.90 90376 2678492 868868 4.97 1068212 2259064 336420 Average: 12881251 14983644 3543717 21.58 83588 2200124 1330401 7.61 1328946 1962624 137612 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 03:06:01 ens3 253.16 177.87 1642.20 27.63 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:07:01 ens3 287.47 251.66 2543.94 53.35 0.00 0.00 0.00 0.00 03:08:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 2192.85 1498.88 559.01 561.33 0.00 0.00 0.00 0.00 03:09:01 lo 2.75 2.75 0.25 0.25 0.00 0.00 0.00 0.00 03:09:01 ens3 198.92 204.08 726.52 1781.94 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 733.10 533.12 1367.92 606.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-17749) 09/04/26 _x86_64_ (4 CPU) 03:04:23 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 14.87 0.00 1.25 2.13 0.01 81.74 03:06:01 0 10.06 0.00 0.82 4.51 0.00 84.61 03:06:01 1 15.84 0.00 1.44 0.42 0.00 82.30 03:06:01 2 3.49 0.00 0.28 1.99 0.02 94.22 03:06:01 3 30.17 0.00 2.49 1.61 0.02 65.72 03:07:01 all 30.35 0.00 1.69 0.31 0.02 67.64 03:07:01 0 21.26 0.00 1.00 0.22 0.02 77.51 03:07:01 1 32.62 0.00 2.86 0.13 0.03 64.35 03:07:01 2 34.94 0.00 1.65 0.03 0.02 63.35 03:07:01 3 32.60 0.00 1.22 0.82 0.02 65.34 03:08:01 all 28.80 0.00 5.54 0.10 0.02 65.55 03:08:01 0 24.02 0.00 5.98 0.17 0.02 69.81 03:08:01 1 42.14 0.00 6.38 0.03 0.02 51.44 03:08:01 2 25.32 0.00 6.32 0.00 0.00 68.36 03:08:01 3 23.76 0.00 3.48 0.20 0.02 72.54 03:09:01 all 36.26 0.00 2.28 0.18 0.02 61.27 03:09:01 0 39.06 0.00 1.98 0.00 0.02 58.94 03:09:01 1 45.09 0.00 1.86 0.02 0.03 53.00 03:09:01 2 36.06 0.00 2.54 0.22 0.03 61.15 03:09:01 3 24.89 0.00 2.71 0.47 0.00 71.94 Average: all 27.57 0.00 2.69 0.68 0.02 69.05 Average: 0 23.60 0.00 2.45 1.22 0.01 72.71 Average: 1 33.92 0.00 3.13 0.15 0.02 62.78 Average: 2 24.93 0.00 2.70 0.56 0.02 71.80 Average: 3 27.85 0.00 2.48 0.77 0.01 68.89