---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4880 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 7.6G 12G 40% / 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 474 5249 0 2252 7218 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:7b:59:cd brd ff:ff:ff:ff:ff:ff inet 10.32.6.144/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fe7b:59cd/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-4880) 07/03/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 148.79 78.89 69.91 4641.49 39447.18 12:49:01 58.63 0.19 58.45 22.37 9531.40 12:50:01 87.20 31.43 55.77 1731.58 8261.29 12:51:01 38.93 7.35 31.58 459.52 3265.19 12:52:01 28.16 4.52 23.65 151.31 4983.97 Average: 72.39 24.55 47.83 1405.87 13109.73 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 6075480 7440868 2091932 25.61 34124 1512876 690760 7.50 559196 1375720 59564 12:49:01 5798444 7401704 2368968 29.01 53788 1718424 713788 7.75 612352 1574432 89648 12:50:01 5575364 7373532 2592048 31.74 61276 1896380 840040 9.12 678328 1712812 2648 12:51:01 5366892 7372560 2800520 34.29 67156 2093428 715980 7.77 767940 1821988 119080 12:52:01 5397944 7413452 2769468 33.91 69464 2100076 668236 7.25 736372 1820756 9468 Average: 5642825 7400423 2524587 30.91 57162 1864237 725761 7.88 670838 1661142 56082 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 12:48:02 ens3 444.49 248.14 1080.12 66.17 0.00 0.00 0.00 0.00 12:49:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 12:49:01 ens3 76.29 63.02 846.05 6.99 0.00 0.00 0.00 0.00 12:50:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 12:50:01 ens3 143.61 151.54 509.43 32.75 0.00 0.00 0.00 0.00 12:51:01 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 12:51:01 ens3 270.45 294.13 1280.85 60.68 0.00 0.00 0.00 0.00 12:52:01 lo 1.80 1.80 0.16 0.16 0.00 0.00 0.00 0.00 12:52:01 ens3 57.77 63.92 34.60 606.72 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 198.93 164.49 749.89 155.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4880) 07/03/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 19.03 0.00 2.71 4.82 1.56 71.88 12:48:02 0 11.94 0.00 2.14 4.27 1.53 80.12 12:48:02 1 24.46 0.00 4.12 7.86 1.81 61.75 12:48:02 2 16.96 0.00 2.34 3.11 1.63 75.97 12:48:02 3 22.77 0.00 2.18 4.08 1.25 69.72 12:49:01 all 19.77 0.00 1.13 1.88 1.23 75.99 12:49:01 0 10.30 0.00 0.78 0.08 1.10 87.74 12:49:01 1 30.46 0.00 1.77 0.76 1.60 65.40 12:49:01 2 4.01 0.00 0.66 6.38 1.00 87.96 12:49:01 3 34.37 0.00 1.36 0.29 1.22 62.76 12:50:01 all 23.74 0.00 1.64 1.91 2.01 70.70 12:50:01 0 18.97 0.00 1.19 0.35 2.05 77.45 12:50:01 1 19.93 0.00 1.85 4.36 1.87 71.99 12:50:01 2 16.24 0.00 1.42 1.32 1.98 79.04 12:50:01 3 39.90 0.00 2.10 1.66 2.13 54.21 12:51:01 all 35.62 0.00 1.50 0.54 2.62 59.72 12:51:01 0 29.43 0.00 1.51 0.56 2.47 66.02 12:51:01 1 34.71 0.00 0.95 0.18 2.29 61.87 12:51:01 2 32.60 0.00 2.15 1.16 2.59 61.50 12:51:01 3 45.68 0.00 1.41 0.26 3.18 49.47 12:52:01 all 21.04 0.00 1.17 0.78 1.21 75.80 12:52:01 0 17.02 0.00 0.75 0.07 1.41 80.75 12:52:01 1 7.68 0.00 0.78 1.74 1.11 88.69 12:52:01 2 5.91 0.00 0.70 0.13 0.47 92.80 12:52:01 3 53.65 0.00 2.43 1.17 1.83 40.92 Average: all 23.86 0.00 1.63 1.99 1.73 70.80 Average: 0 17.56 0.00 1.27 1.07 1.71 78.39 Average: 1 23.43 0.00 1.89 2.99 1.74 69.96 Average: 2 15.20 0.00 1.46 2.40 1.53 79.41 Average: 3 39.30 0.00 1.90 1.50 1.93 55.38