---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2918 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: 2799.998 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 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 616 12629 0 2794 15097 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:3b:c7:50 brd ff:ff:ff:ff:ff:ff inet 10.30.107.163/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86032sec preferred_lft 86032sec inet6 fe80::f816:3eff:fe3b:c750/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2918) 04/02/26 _x86_64_ (4 CPU) 03:04:25 LINUX RESTART (4 CPU) 03:05:03 tps rtps wtps bread/s bwrtn/s 03:06:01 81.52 3.91 77.61 58.33 28071.02 03:07:01 129.95 15.46 114.48 410.60 34428.93 03:08:01 37.94 3.13 34.81 343.62 17208.53 03:09:01 39.53 8.00 31.53 201.30 4472.85 03:10:01 30.63 0.40 30.23 28.40 16489.07 Average: 63.79 6.20 57.60 209.47 20080.85 03:05:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13971408 15536428 2453560 14.94 62628 1703884 805556 4.61 679196 1561480 157708 03:07:01 13333108 15136696 3091860 18.82 81020 1910556 1236892 7.08 1111156 1739144 22464 03:08:01 12287992 14232992 4136976 25.19 85132 2043468 2141816 12.26 2035408 1848500 6944 03:09:01 12932584 15456192 3492384 21.26 89996 2607880 860124 4.92 1027956 2195824 477912 03:10:01 12946120 15472616 3478848 21.18 91616 2609300 820784 4.70 1029892 2182420 9088 Average: 13094242 15166985 3330726 20.28 82078 2175018 1173034 6.71 1176722 1905474 134823 03:05:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 lo 1.10 1.10 0.12 0.12 0.00 0.00 0.00 0.00 03:06:01 ens3 71.69 50.16 866.67 8.03 0.00 0.00 0.00 0.00 03:07:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 03:07:01 ens3 313.16 269.41 1557.40 70.74 0.00 0.00 0.00 0.00 03:08:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:08:01 ens3 2775.14 2039.72 2438.33 664.67 0.00 0.00 0.00 0.00 03:09:01 lo 2.95 2.95 0.26 0.26 0.00 0.00 0.00 0.00 03:09:01 ens3 564.32 444.69 846.52 1183.15 0.00 0.00 0.00 0.00 03:10:01 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 24.97 33.30 14.81 702.81 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 754.50 570.99 1146.69 529.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2918) 04/02/26 _x86_64_ (4 CPU) 03:04:25 LINUX RESTART (4 CPU) 03:05:03 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 12.42 0.00 0.90 10.94 0.06 75.68 03:06:01 0 14.02 0.00 0.62 1.78 0.07 83.51 03:06:01 1 29.62 0.00 2.14 4.45 0.09 63.71 03:06:01 2 2.88 0.00 0.36 2.73 0.05 93.97 03:06:01 3 3.14 0.00 0.52 34.78 0.05 61.51 03:07:01 all 21.26 0.00 1.76 6.92 0.10 69.96 03:07:01 0 15.30 0.00 1.45 7.65 0.08 75.52 03:07:01 1 28.28 0.00 1.89 2.31 0.13 67.39 03:07:01 2 23.95 0.00 2.04 3.89 0.12 70.01 03:07:01 3 17.53 0.00 1.63 13.82 0.08 66.93 03:08:01 all 36.66 0.00 6.39 1.03 0.09 55.83 03:08:01 0 56.88 0.00 10.01 0.70 0.08 32.32 03:08:01 1 29.61 0.00 3.29 0.17 0.08 66.85 03:08:01 2 32.09 0.00 1.45 1.21 0.10 65.14 03:08:01 3 27.93 0.00 10.77 2.01 0.08 59.21 03:09:01 all 41.12 0.00 2.04 0.59 0.09 56.16 03:09:01 0 36.54 0.00 1.82 0.99 0.10 60.55 03:09:01 1 38.48 0.00 2.24 0.07 0.08 59.13 03:09:01 2 34.62 0.00 2.42 1.00 0.10 61.87 03:09:01 3 54.83 0.00 1.67 0.35 0.10 43.05 03:10:01 all 9.75 0.00 0.74 15.10 0.04 74.36 03:10:01 0 4.12 0.00 0.62 10.30 0.05 84.92 03:10:01 1 13.26 0.00 0.73 3.37 0.03 82.60 03:10:01 2 15.93 0.00 0.92 45.54 0.05 37.55 03:10:01 3 5.76 0.00 0.73 1.43 0.02 92.06 Average: all 24.31 0.00 2.37 6.89 0.08 66.34 Average: 0 25.45 0.00 2.92 4.30 0.08 67.24 Average: 1 27.83 0.00 2.06 2.06 0.08 67.97 Average: 2 22.02 0.00 1.45 10.89 0.08 65.56 Average: 3 21.95 0.00 3.08 10.32 0.07 64.59