---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3018 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.7G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 420 1185 0 2337 3255 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:0d:ce:fa brd ff:ff:ff:ff:ff:ff inet 10.32.6.40/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86033sec preferred_lft 86033sec inet6 fe80::f816:3eff:fe0d:cefa/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-3018) 01/06/24 _x86_64_ (4 CPU) 23:17:52 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:02 120.56 67.27 53.29 4546.84 25501.88 23:20:01 79.70 29.55 50.14 1652.19 9495.75 23:21:01 28.06 0.00 28.06 0.00 5044.76 23:22:01 34.51 8.11 26.39 648.98 3050.45 23:23:01 38.03 6.33 31.69 186.24 2881.39 Average: 60.10 22.23 37.88 1406.01 9193.63 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:02 1870460 3423060 2168192 53.69 48472 1660580 543496 10.68 496740 1500928 142624 23:20:01 1414948 3216960 2623704 64.96 58748 1889608 726772 14.29 717852 1713972 137376 23:21:01 1413820 3222024 2624832 64.99 59700 1893996 734708 14.44 714368 1717320 1384 23:22:01 726720 2644068 3311932 82.01 62624 1996604 1249280 24.56 1319784 1788080 6248 23:23:01 1237260 3339984 2801392 69.36 66752 2172748 604616 11.88 705964 1883672 107652 Average: 1332642 3169219 2706010 67.00 59259 1922707 771774 15.17 790942 1720794 79057 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:02 ens3 420.53 255.99 1337.07 62.92 0.00 0.00 0.00 0.00 23:19:02 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 23:20:01 ens3 135.54 118.25 1129.67 24.55 0.00 0.00 0.00 0.00 23:20:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 23:21:01 ens3 57.64 82.37 74.20 13.05 0.00 0.00 0.00 0.00 23:21:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:22:01 ens3 221.06 271.36 1364.56 39.02 0.00 0.00 0.00 0.00 23:22:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 23:23:01 ens3 313.18 284.37 1147.05 60.30 0.00 0.00 0.00 0.00 23:23:01 lo 122.81 122.81 36.44 36.44 0.00 0.00 0.00 0.00 Average: ens3 229.90 202.75 1010.12 40.02 0.00 0.00 0.00 0.00 Average: lo 25.29 25.29 7.37 7.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3018) 01/06/24 _x86_64_ (4 CPU) 23:17:52 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:02 all 22.02 0.00 1.92 3.34 0.06 72.66 23:19:02 0 39.93 0.00 2.82 3.23 0.08 53.93 23:19:02 1 11.47 0.00 1.67 7.22 0.05 79.59 23:19:02 2 23.12 0.00 1.74 1.45 0.07 73.62 23:19:02 3 13.46 0.00 1.46 1.47 0.03 83.58 23:20:01 all 19.75 0.00 1.14 1.80 0.06 77.25 23:20:01 0 13.21 0.00 0.53 0.66 0.05 85.55 23:20:01 1 12.13 0.00 0.90 3.72 0.03 83.22 23:20:01 2 32.73 0.00 1.90 0.51 0.08 64.77 23:20:01 3 20.94 0.00 1.26 2.31 0.05 75.43 23:21:01 all 5.30 0.00 0.31 0.38 0.03 93.98 23:21:01 0 2.59 0.00 0.18 0.00 0.03 97.20 23:21:01 1 5.30 0.00 0.47 0.22 0.02 94.00 23:21:01 2 10.15 0.00 0.18 0.57 0.03 89.06 23:21:01 3 3.13 0.00 0.39 0.75 0.03 95.69 23:22:01 all 24.16 0.00 0.84 0.30 0.06 74.64 23:22:01 0 28.08 0.00 0.38 0.08 0.05 71.40 23:22:01 1 21.88 0.00 0.70 0.42 0.07 76.94 23:22:01 2 27.19 0.00 1.50 0.47 0.07 70.77 23:22:01 3 19.49 0.00 0.74 0.25 0.05 79.47 23:23:01 all 32.69 0.00 1.48 0.28 0.09 65.46 23:23:01 0 40.59 0.00 1.34 0.12 0.08 57.87 23:23:01 1 33.01 0.00 1.17 0.42 0.08 65.33 23:23:01 2 27.24 0.00 1.65 0.03 0.10 70.98 23:23:01 3 29.92 0.00 1.77 0.57 0.08 67.65 Average: all 20.79 0.00 1.14 1.22 0.06 76.80 Average: 0 24.92 0.00 1.05 0.82 0.06 73.15 Average: 1 16.78 0.00 0.98 2.39 0.05 79.80 Average: 2 24.06 0.00 1.39 0.61 0.07 73.87 Average: 3 17.39 0.00 1.12 1.07 0.05 80.37