---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7876 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 457 5178 0 2340 7234 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:56:ba:da brd ff:ff:ff:ff:ff:ff inet 10.32.7.152/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fe56:bada/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-7876) 11/01/25 _x86_64_ (4 CPU) 05:15:02 LINUX RESTART (4 CPU) 05:16:01 tps rtps wtps bread/s bwrtn/s 05:17:02 54.55 0.23 54.32 26.79 8660.58 05:18:01 67.90 30.67 37.23 1674.02 8569.67 05:19:01 20.11 11.16 8.95 798.13 3587.14 05:20:01 24.49 1.55 22.94 103.03 7256.65 Average: 41.65 10.82 30.83 646.16 7012.10 05:16:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:17:02 5801752 7410764 2365660 28.96 53432 1724028 706856 7.67 601580 1577008 122408 05:18:01 5534592 7312340 2632820 32.24 60888 1877736 795988 8.64 710648 1721132 8808 05:19:01 4549140 6447504 3618272 44.30 63188 1992056 1581408 17.16 1629208 1773352 1180 05:20:01 5296444 7397796 2870968 35.15 68288 2185724 700208 7.60 743336 1907840 23040 Average: 5295482 7142101 2871930 35.16 61449 1944886 946115 10.27 921193 1744833 38859 05:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:17:02 ens3 54.48 41.22 688.63 5.37 0.00 0.00 0.00 0.00 05:17:02 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 05:18:01 ens3 132.25 101.76 1243.67 22.17 0.00 0.00 0.00 0.00 05:18:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 05:19:01 ens3 121.90 102.43 1443.27 12.08 0.00 0.00 0.00 0.00 05:19:01 lo 83.24 83.24 30.80 30.80 0.00 0.00 0.00 0.00 05:20:01 ens3 120.19 104.65 1255.23 19.37 0.00 0.00 0.00 0.00 05:20:01 lo 39.75 39.75 5.77 5.77 0.00 0.00 0.00 0.00 Average: ens3 107.10 87.46 1157.32 14.72 0.00 0.00 0.00 0.00 Average: lo 31.28 31.28 9.22 9.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7876) 11/01/25 _x86_64_ (4 CPU) 05:15:02 LINUX RESTART (4 CPU) 05:16:01 CPU %user %nice %system %iowait %steal %idle 05:17:02 all 18.25 0.00 1.14 2.95 2.13 75.53 05:17:02 0 19.40 0.00 0.78 0.66 1.54 77.62 05:17:02 1 22.37 0.00 1.36 10.65 2.76 62.85 05:17:02 2 30.65 0.00 2.38 0.44 3.33 63.20 05:17:02 3 0.40 0.00 0.03 0.00 0.86 98.71 05:18:01 all 16.47 0.00 1.11 2.21 3.77 76.45 05:18:01 0 15.91 0.00 1.10 3.34 3.64 76.01 05:18:01 1 12.30 0.00 1.12 4.41 3.77 78.40 05:18:01 2 23.03 0.00 1.45 0.87 3.72 70.94 05:18:01 3 14.63 0.00 0.78 0.23 3.92 80.43 05:19:01 all 48.39 0.00 1.66 0.92 8.29 40.74 05:19:01 0 50.20 0.00 1.68 0.73 8.32 39.07 05:19:01 1 48.98 0.00 1.99 1.83 8.74 38.46 05:19:01 2 49.62 0.00 1.65 0.34 7.73 40.65 05:19:01 3 44.76 0.00 1.36 0.75 8.36 44.77 05:20:01 all 26.11 0.00 1.25 0.90 3.42 68.32 05:20:01 0 52.05 0.00 1.69 0.99 4.44 40.83 05:20:01 1 12.59 0.00 1.15 2.46 3.38 80.41 05:20:01 2 23.35 0.00 1.17 0.07 3.07 72.35 05:20:01 3 16.44 0.00 0.94 0.08 2.78 79.77 Average: all 27.41 0.00 1.29 1.74 4.42 65.15 Average: 0 34.50 0.00 1.31 1.42 4.50 58.26 Average: 1 24.20 0.00 1.41 4.83 4.68 64.88 Average: 2 31.73 0.00 1.66 0.43 4.47 61.71 Average: 3 19.20 0.00 0.78 0.27 4.00 75.75