---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-500 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: 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.8G 12G 41% / 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 472 5128 0 2375 7220 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:ad:c7:5a brd ff:ff:ff:ff:ff:ff inet 10.32.6.204/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:fead:c75a/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-500) 05/09/26 _x86_64_ (4 CPU) 23:17:56 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 157.69 72.42 85.27 4607.90 40716.83 23:20:01 81.77 30.13 51.64 1664.92 9044.49 23:21:01 34.75 7.33 27.42 655.27 7424.29 23:22:01 12.05 3.42 8.63 129.33 3429.20 23:23:01 29.58 1.23 28.35 98.65 7871.49 Average: 63.17 22.91 40.26 1431.21 13697.18 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 6002036 7425872 2165384 26.51 36804 1567240 683092 7.41 573800 1430816 87568 23:20:01 5659748 7360248 2507672 30.70 57056 1807844 755344 8.20 680372 1633924 101136 23:21:01 4753956 6679964 3413464 41.79 62444 2021424 1328332 14.41 1387416 1816400 94184 23:22:01 4736628 6847632 3430792 42.01 65612 2198176 1104928 11.99 1276984 1933856 174572 23:23:01 5323388 7461752 2844032 34.82 68736 2221876 617480 6.70 684284 1940808 11392 Average: 5295151 7155094 2872269 35.17 58130 1963312 897835 9.74 920571 1751161 93770 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 23:19:01 ens3 434.28 246.84 1530.81 66.46 0.00 0.00 0.00 0.00 23:20:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 23:20:01 ens3 61.32 51.87 461.00 13.22 0.00 0.00 0.00 0.00 23:21:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 23:21:01 ens3 210.59 192.55 3098.88 25.14 0.00 0.00 0.00 0.00 23:22:01 lo 121.88 121.88 36.51 36.51 0.00 0.00 0.00 0.00 23:22:01 ens3 90.23 86.08 1030.11 12.29 0.00 0.00 0.00 0.00 23:23:01 lo 0.87 0.87 0.07 0.07 0.00 0.00 0.00 0.00 23:23:01 ens3 39.93 31.66 228.74 11.08 0.00 0.00 0.00 0.00 Average: lo 25.17 25.17 7.37 7.37 0.00 0.00 0.00 0.00 Average: ens3 167.28 121.81 1270.04 25.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-500) 05/09/26 _x86_64_ (4 CPU) 23:17:56 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 20.74 0.00 2.77 4.66 1.78 70.04 23:19:01 0 42.25 0.00 5.05 3.97 2.45 46.27 23:19:01 1 11.49 0.00 1.47 4.86 1.35 80.83 23:19:01 2 14.54 0.00 2.39 6.10 1.76 75.20 23:19:01 3 14.70 0.00 2.16 3.74 1.55 77.84 23:20:01 all 21.42 0.00 1.58 1.91 1.57 73.52 23:20:01 0 30.05 0.00 2.11 0.27 1.84 65.73 23:20:01 1 8.88 0.00 1.20 5.15 0.98 83.80 23:20:01 2 7.24 0.00 0.86 1.44 1.74 88.73 23:20:01 3 39.61 0.00 2.12 0.78 1.75 55.75 23:21:01 all 30.75 0.00 1.34 0.80 3.18 63.93 23:21:01 0 30.37 0.00 1.97 0.12 3.45 64.09 23:21:01 1 27.86 0.00 1.14 0.53 2.75 67.72 23:21:01 2 29.28 0.00 1.03 2.18 2.76 64.75 23:21:01 3 35.51 0.00 1.24 0.38 3.73 59.14 23:22:01 all 41.08 0.00 1.37 0.17 3.94 53.43 23:22:01 0 43.37 0.00 1.10 0.18 4.03 51.32 23:22:01 1 40.75 0.00 1.29 0.18 4.07 53.70 23:22:01 2 41.55 0.00 1.40 0.07 3.79 53.20 23:22:01 3 38.61 0.00 1.72 0.28 3.90 55.50 23:23:01 all 21.49 0.00 1.22 0.98 1.15 75.16 23:23:01 0 26.50 0.00 0.87 0.12 1.17 71.35 23:23:01 1 26.94 0.00 1.71 1.46 1.46 68.42 23:23:01 2 18.95 0.00 0.86 0.08 1.11 78.99 23:23:01 3 13.55 0.00 1.47 2.25 0.85 81.88 Average: all 27.10 0.00 1.66 1.70 2.33 67.21 Average: 0 34.51 0.00 2.22 0.93 2.59 59.76 Average: 1 23.21 0.00 1.36 2.43 2.13 70.87 Average: 2 22.30 0.00 1.31 1.97 2.23 72.19 Average: 3 28.41 0.00 1.74 1.49 2.36 66.00