---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5146 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 470 5253 0 2252 7222 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:be:13:a0 brd ff:ff:ff:ff:ff:ff inet 10.32.6.28/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:febe:13a0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5146) 07/06/26 _x86_64_ (4 CPU) 14:54:50 LINUX RESTART (4 CPU) 14:55:01 tps rtps wtps bread/s bwrtn/s 14:56:02 125.17 54.38 70.79 3587.34 14260.73 14:57:01 82.06 30.45 51.61 1708.71 9502.27 14:58:01 79.37 8.85 70.52 510.71 9213.66 14:59:01 28.90 3.40 25.50 130.05 5064.36 Average: 78.86 24.24 54.62 1483.19 9509.93 14:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:56:02 5896804 7390416 2270616 27.80 41136 1628704 713736 7.74 629360 1471232 144800 14:57:01 5563396 7336100 2604024 31.88 59100 1874612 788548 8.56 683072 1718992 156652 14:58:01 5468332 7468264 2699088 33.05 66464 2088080 621108 6.74 667652 1816972 115056 14:59:01 5366352 7381980 2801068 34.30 68972 2100684 709976 7.70 763504 1822380 10024 Average: 5573721 7394190 2593699 31.76 58918 1923020 708342 7.69 685897 1707394 106633 14:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:56:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 14:56:02 ens3 444.12 233.74 1480.18 66.07 0.00 0.00 0.00 0.00 14:57:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 14:57:01 ens3 88.72 81.29 566.07 18.56 0.00 0.00 0.00 0.00 14:58:01 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 14:58:01 ens3 303.08 357.66 1578.13 58.22 0.00 0.00 0.00 0.00 14:59:01 lo 1.33 1.33 0.11 0.11 0.00 0.00 0.00 0.00 14:59:01 ens3 54.63 63.69 28.38 606.82 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 223.18 184.51 914.54 188.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5146) 07/06/26 _x86_64_ (4 CPU) 14:54:50 LINUX RESTART (4 CPU) 14:55:01 CPU %user %nice %system %iowait %steal %idle 14:56:02 all 24.22 0.00 1.84 3.72 0.91 69.31 14:56:02 0 19.41 0.00 1.95 3.29 0.92 74.43 14:56:02 1 30.73 0.00 1.50 1.58 0.93 65.26 14:56:02 2 23.20 0.00 1.79 5.87 0.84 68.32 14:56:02 3 23.56 0.00 2.10 4.19 0.95 69.20 14:57:01 all 25.91 0.00 1.68 1.92 1.09 69.40 14:57:01 0 9.62 0.00 0.95 1.37 0.68 87.39 14:57:01 1 54.73 0.00 2.30 0.32 1.27 41.38 14:57:01 2 26.69 0.00 1.65 2.78 1.50 67.37 14:57:01 3 12.55 0.00 1.83 3.18 0.93 81.50 14:58:01 all 44.75 0.00 2.74 1.15 2.53 48.83 14:58:01 0 44.60 0.00 1.81 2.36 2.13 49.09 14:58:01 1 38.37 0.00 2.38 0.80 2.21 56.24 14:58:01 2 49.27 0.00 2.27 0.60 3.07 44.79 14:58:01 3 46.75 0.00 4.50 0.85 2.71 45.19 14:59:01 all 19.99 0.00 0.95 0.73 0.57 77.76 14:59:01 0 23.69 0.00 0.83 0.77 0.62 74.10 14:59:01 1 30.51 0.00 1.42 0.28 0.68 67.11 14:59:01 2 21.98 0.00 0.95 0.85 0.65 75.57 14:59:01 3 3.79 0.00 0.60 1.03 0.32 94.26 Average: all 28.74 0.00 1.80 1.88 1.28 66.30 Average: 0 24.40 0.00 1.39 1.95 1.09 71.18 Average: 1 38.52 0.00 1.90 0.75 1.27 57.56 Average: 2 30.32 0.00 1.67 2.52 1.52 63.98 Average: 3 21.71 0.00 2.26 2.31 1.23 72.49