---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2570 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 7.7G 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 477 5211 0 2286 7215 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:88:ad:0e brd ff:ff:ff:ff:ff:ff inet 10.32.6.247/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86118sec preferred_lft 86118sec inet6 fe80::f816:3eff:fe88:ad0e/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-2570) 06/04/26 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 115.26 54.06 61.21 3547.54 6071.67 07:07:01 72.10 20.41 51.69 1380.30 9630.00 07:08:01 62.92 18.10 44.83 872.79 9289.65 07:09:01 29.18 3.47 25.71 132.78 6292.28 Average: 69.87 24.01 45.86 1483.35 7820.90 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5963240 7403324 2204180 26.99 37648 1581740 704432 7.64 598396 1441588 73464 07:07:01 5662408 7425544 2505012 30.67 58452 1865880 821784 8.92 587492 1717184 156984 07:08:01 5310596 7359604 2856824 34.98 66664 2136372 719036 7.80 786376 1854712 164796 07:09:01 5342504 7394680 2824916 34.59 68700 2137028 680076 7.38 760272 1849472 10656 Average: 5569687 7395788 2597733 31.81 57866 1930255 731332 7.94 683134 1715739 101475 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:01 ens3 350.59 218.11 1519.50 65.34 0.00 0.00 0.00 0.00 07:07:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 67.47 50.94 521.54 12.91 0.00 0.00 0.00 0.00 07:08:01 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 07:08:01 ens3 179.39 155.64 1862.62 24.28 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 07:09:01 ens3 57.47 67.04 30.58 668.42 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 163.73 122.93 983.56 192.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2570) 06/04/26 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.30 0.00 1.70 4.20 3.08 69.72 07:06:01 0 14.20 0.00 1.42 6.13 2.44 75.81 07:06:01 1 28.17 0.00 2.45 4.71 3.19 61.49 07:06:01 2 27.67 0.00 1.65 4.43 3.78 62.48 07:06:01 3 15.17 0.00 1.27 1.56 2.90 79.10 07:07:01 all 20.57 0.00 1.42 2.29 1.80 73.92 07:07:01 0 3.46 0.00 0.46 1.67 0.84 93.56 07:07:01 1 5.65 0.00 0.33 0.45 0.65 92.92 07:07:01 2 7.89 0.00 0.97 5.46 2.10 83.58 07:07:01 3 65.40 0.00 3.90 1.54 3.64 25.52 07:08:01 all 38.11 0.00 1.82 1.64 5.97 52.45 07:08:01 0 35.05 0.00 1.38 0.36 5.33 57.88 07:08:01 1 30.46 0.00 1.76 2.56 5.43 59.80 07:08:01 2 39.77 0.00 1.86 1.50 6.15 50.72 07:08:01 3 47.22 0.00 2.31 2.17 6.95 41.35 07:09:01 all 20.07 0.00 1.03 1.24 1.76 75.90 07:09:01 0 31.71 0.00 1.32 0.31 2.37 64.28 07:09:01 1 7.07 0.00 0.89 2.31 1.10 88.63 07:09:01 2 30.07 0.00 1.24 1.86 2.11 64.72 07:09:01 3 11.48 0.00 0.66 0.45 1.46 85.95 Average: all 25.03 0.00 1.49 2.34 3.16 67.97 Average: 0 21.13 0.00 1.15 2.12 2.75 72.85 Average: 1 17.87 0.00 1.36 2.51 2.60 75.66 Average: 2 26.36 0.00 1.43 3.31 3.54 65.36 Average: 3 34.79 0.00 2.03 1.43 3.74 58.01