---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4499 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: 2799.974 BogoMIPS: 5599.94 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 9.6G 68G 13% / 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 586 11855 0 3598 15122 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:f5:55:43 brd ff:ff:ff:ff:ff:ff inet 10.30.107.254/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fef5:5543/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4499) 08/06/26 _x86_64_ (4 CPU) 08:16:51 LINUX RESTART (4 CPU) 08:17:01 tps rtps wtps bread/s bwrtn/s 08:18:01 395.83 54.04 341.79 3620.46 64001.87 08:19:01 167.02 41.80 125.22 2468.37 18565.38 08:20:01 80.39 4.00 76.39 150.91 9275.79 08:21:01 148.19 5.28 142.91 164.37 21993.53 Average: 197.85 26.28 171.57 1601.10 28458.32 08:17:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:18:01 13766848 15513284 2658120 16.18 67092 1874688 809980 4.64 712340 1719980 262968 08:19:01 11267728 13426216 5157240 31.40 79508 2256968 2887636 16.53 2877240 2014316 65948 08:20:01 8562816 11358000 7862152 47.87 89732 2823540 4821648 27.59 5159764 2361148 389864 08:21:01 12159348 15491852 4265620 25.97 94308 3337756 803200 4.60 1323800 2592880 272756 Average: 11439185 13947338 4985783 30.35 82660 2573238 2330616 13.34 2518286 2172081 247884 08:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:18:01 lo 1.27 1.27 0.15 0.15 0.00 0.00 0.00 0.00 08:18:01 ens3 444.58 304.38 2044.25 79.56 0.00 0.00 0.00 0.00 08:19:01 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 08:19:01 ens3 344.43 269.37 2876.62 62.89 0.00 0.00 0.00 0.00 08:20:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 08:20:01 ens3 175.85 126.78 546.33 690.63 0.00 0.00 0.00 0.00 08:21:01 lo 1.73 1.73 13.56 13.56 0.00 0.00 0.00 0.00 08:21:01 ens3 502.43 341.74 871.51 2081.56 0.00 0.00 0.00 0.00 Average: lo 0.92 0.92 3.44 3.44 0.00 0.00 0.00 0.00 Average: ens3 366.82 260.57 1584.79 728.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4499) 08/06/26 _x86_64_ (4 CPU) 08:16:51 LINUX RESTART (4 CPU) 08:17:01 CPU %user %nice %system %iowait %steal %idle 08:18:01 all 22.80 0.00 1.94 3.69 0.05 71.51 08:18:01 0 27.07 0.00 1.39 0.57 0.03 70.94 08:18:01 1 28.77 0.00 2.31 2.22 0.08 66.62 08:18:01 2 23.80 0.00 1.88 7.75 0.05 66.52 08:18:01 3 11.56 0.00 2.17 4.24 0.03 81.99 08:19:01 all 57.64 0.00 2.06 0.67 0.10 39.52 08:19:01 0 66.24 0.00 1.69 0.32 0.10 31.66 08:19:01 1 63.80 0.00 2.58 1.67 0.13 31.82 08:19:01 2 44.67 0.00 2.00 0.45 0.10 52.78 08:19:01 3 55.91 0.00 1.97 0.27 0.08 41.77 08:20:01 all 56.23 0.00 1.93 0.35 0.09 41.40 08:20:01 0 78.52 0.00 4.57 0.22 0.10 16.59 08:20:01 1 56.56 0.00 0.67 0.07 0.08 42.62 08:20:01 2 32.59 0.00 1.06 1.09 0.10 65.15 08:20:01 3 57.42 0.00 1.45 0.00 0.08 41.04 08:21:01 all 57.02 0.00 2.40 0.56 0.10 39.93 08:21:01 0 53.51 0.00 2.26 1.69 0.08 42.45 08:21:01 1 56.72 0.00 1.66 0.15 0.08 41.39 08:21:01 2 66.56 0.00 3.25 0.10 0.10 29.98 08:21:01 3 51.32 0.00 2.41 0.30 0.08 45.88 Average: all 48.43 0.00 2.08 1.32 0.09 48.08 Average: 0 56.35 0.00 2.48 0.70 0.08 40.39 Average: 1 51.46 0.00 1.80 1.03 0.10 45.61 Average: 2 41.88 0.00 2.04 2.34 0.09 53.64 Average: 3 44.05 0.00 2.00 1.20 0.07 52.67