---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2002 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 487 5236 0 2251 7205 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:7e:f7:a9 brd ff:ff:ff:ff:ff:ff inet 10.32.6.243/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fe7e:f7a9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2002) 05/28/26 _x86_64_ (4 CPU) 12:46:55 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 152.40 66.23 86.17 4283.20 40966.15 12:49:01 70.34 15.11 55.22 924.91 9757.44 12:50:01 95.55 23.76 71.79 1287.25 9179.14 12:51:01 29.35 3.40 25.95 129.27 5182.61 Average: 86.90 27.12 59.78 1655.92 16269.38 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5962156 7397124 2205256 27.00 37552 1577060 709772 7.70 606964 1435600 92280 12:49:01 5704628 7449724 2462784 30.15 58356 1848324 802012 8.70 561708 1702348 155864 12:50:01 5401712 7406472 2765700 33.86 66356 2092992 666936 7.24 729652 1821072 112872 12:51:01 5336244 7350696 2831168 34.66 69100 2099576 706920 7.67 794924 1822296 8692 Average: 5601185 7401004 2566227 31.42 57841 1904488 721410 7.83 673312 1695329 92427 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 ens3 467.80 265.10 1531.03 68.19 0.00 0.00 0.00 0.00 12:48:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 12:49:01 ens3 67.24 49.66 515.35 11.58 0.00 0.00 0.00 0.00 12:49:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 12:50:01 ens3 330.24 385.04 1581.60 63.35 0.00 0.00 0.00 0.00 12:50:01 lo 0.77 0.77 0.07 0.07 0.00 0.00 0.00 0.00 12:51:01 ens3 57.82 63.15 32.27 596.21 0.00 0.00 0.00 0.00 12:51:01 lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 230.75 190.72 914.96 184.87 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 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-2002) 05/28/26 _x86_64_ (4 CPU) 12:46:55 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 22.82 0.00 2.71 5.04 1.12 68.31 12:48:01 0 9.55 0.00 2.10 4.56 0.93 82.86 12:48:01 1 24.17 0.00 1.87 3.22 1.23 69.52 12:48:01 2 38.12 0.00 2.22 8.45 1.29 49.92 12:48:01 3 19.50 0.00 4.66 3.92 1.02 70.90 12:49:01 all 21.72 0.00 1.37 1.58 0.84 74.48 12:49:01 0 17.21 0.00 1.25 0.50 0.52 80.53 12:49:01 1 26.85 0.00 1.78 1.22 1.08 69.07 12:49:01 2 25.41 0.00 1.32 4.50 0.92 67.85 12:49:01 3 17.42 0.00 1.11 0.10 0.82 80.55 12:50:01 all 44.56 0.00 2.41 1.77 2.67 48.59 12:50:01 0 46.61 0.00 2.26 1.03 2.52 47.59 12:50:01 1 40.96 0.00 2.06 2.66 2.66 51.65 12:50:01 2 46.56 0.00 1.73 1.45 2.53 47.73 12:50:01 3 44.10 0.00 3.59 1.98 3.01 47.34 12:51:01 all 21.35 0.00 0.83 0.77 0.68 76.38 12:51:01 0 29.53 0.00 1.12 0.73 0.88 67.74 12:51:01 1 5.39 0.00 0.70 2.20 0.40 91.31 12:51:01 2 48.19 0.00 1.13 0.08 1.25 49.34 12:51:01 3 2.32 0.00 0.37 0.05 0.18 97.08 Average: all 27.63 0.00 1.83 2.29 1.33 66.93 Average: 0 25.74 0.00 1.68 1.71 1.21 69.66 Average: 1 24.35 0.00 1.60 2.32 1.34 70.38 Average: 2 39.58 0.00 1.60 3.62 1.50 53.71 Average: 3 20.86 0.00 2.43 1.51 1.26 73.93