---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7939 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 496 5291 0 2188 7200 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:7a:0e:a8 brd ff:ff:ff:ff:ff:ff inet 10.32.7.229/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fe7a:ea8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7939) 03/02/26 _x86_64_ (4 CPU) 12:46:54 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 134.44 58.76 75.69 3670.05 39888.57 12:49:01 71.36 17.45 53.91 1243.86 9579.80 12:50:01 87.07 21.73 65.34 985.04 8220.23 12:51:01 26.78 1.70 25.08 80.92 5148.61 Average: 79.95 24.94 55.01 1496.02 15734.94 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 6020928 7409508 2146492 26.28 36452 1532728 698600 7.58 592636 1393336 70020 12:49:01 5764228 7459644 2403192 29.42 56672 1803064 615628 6.68 554308 1654536 130336 12:50:01 5314604 7154344 2852816 34.93 64308 1933920 894432 9.71 930544 1714132 8076 12:51:01 5430164 7382088 2737256 33.51 67192 2041800 687828 7.46 765140 1763852 9236 Average: 5632481 7351396 2534939 31.04 56156 1827878 724122 7.86 710657 1631464 54417 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 ens3 413.65 232.28 1175.32 64.84 0.00 0.00 0.00 0.00 12:48:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 12:49:01 ens3 80.00 60.09 719.75 14.46 0.00 0.00 0.00 0.00 12:49:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 12:50:01 ens3 319.08 369.01 1562.61 60.45 0.00 0.00 0.00 0.00 12:50:01 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 12:51:01 ens3 97.98 84.14 54.55 617.89 0.00 0.00 0.00 0.00 12:51:01 lo 1.20 1.20 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 228.30 186.91 878.72 190.14 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7939) 03/02/26 _x86_64_ (4 CPU) 12:46:54 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 20.72 0.00 2.51 4.27 1.43 71.07 12:48:02 0 12.31 0.00 1.65 4.16 1.75 80.13 12:48:02 1 31.15 0.00 1.99 2.29 1.38 63.18 12:48:02 2 23.65 0.00 4.44 4.64 1.41 65.86 12:48:02 3 15.79 0.00 1.92 6.00 1.17 75.12 12:49:01 all 21.21 0.00 1.41 1.82 1.20 74.37 12:49:01 0 25.78 0.00 1.23 0.49 1.82 70.68 12:49:01 1 28.27 0.00 1.86 0.42 1.30 68.15 12:49:01 2 25.70 0.00 1.79 4.53 1.15 66.82 12:49:01 3 5.08 0.00 0.73 1.83 0.53 91.84 12:50:01 all 45.18 0.00 2.19 1.40 3.56 47.67 12:50:01 0 41.87 0.00 2.18 2.08 3.57 50.30 12:50:01 1 52.16 0.00 1.74 0.20 3.26 42.64 12:50:01 2 40.10 0.00 2.10 0.64 3.48 53.68 12:50:01 3 46.62 0.00 2.77 2.69 3.93 44.00 12:51:01 all 20.83 0.00 1.13 0.82 1.09 76.12 12:51:01 0 11.01 0.00 0.58 0.05 0.98 87.38 12:51:01 1 33.71 0.00 1.80 0.33 1.32 62.84 12:51:01 2 20.73 0.00 1.42 1.83 0.78 75.24 12:51:01 3 17.91 0.00 0.73 1.08 1.29 78.99 Average: all 27.03 0.00 1.81 2.08 1.82 67.26 Average: 0 22.74 0.00 1.41 1.70 2.03 72.11 Average: 1 36.36 0.00 1.85 0.81 1.82 59.16 Average: 2 27.58 0.00 2.44 2.90 1.71 65.37 Average: 3 21.45 0.00 1.54 2.90 1.74 72.38