---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2098 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 7.9G 12G 42% / 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 479 4947 0 2549 7210 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:c9:ff:1f brd ff:ff:ff:ff:ff:ff inet 10.32.6.194/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fec9:ff1f/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-2098) 05/02/26 _x86_64_ (4 CPU) 08:13:03 LINUX RESTART (4 CPU) 08:14:02 tps rtps wtps bread/s bwrtn/s 08:15:01 86.32 30.25 56.08 1686.09 9370.48 08:16:01 80.42 10.63 69.79 671.49 20380.60 08:17:01 32.49 1.33 31.16 100.25 4322.35 Average: 66.30 13.98 52.32 814.43 11368.91 08:14:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:15:01 5657644 7354716 2509776 30.73 56596 1805372 841164 9.13 688236 1632412 123968 08:16:01 4535760 6768528 3631660 44.47 63420 2322468 1453476 15.77 1323212 2093364 32940 08:17:01 5108920 7422296 3058500 37.45 67556 2397092 650164 7.05 696672 2144580 26500 Average: 5100775 7181847 3066645 37.55 62524 2174977 981601 10.65 902707 1956785 61136 08:14:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:15:01 ens3 87.99 64.12 738.52 16.16 0.00 0.00 0.00 0.00 08:15:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 08:16:01 ens3 566.74 497.40 7742.13 85.64 0.00 0.00 0.00 0.00 08:16:01 lo 1.62 1.62 0.21 0.21 0.00 0.00 0.00 0.00 08:17:01 ens3 127.75 146.36 595.89 29.45 0.00 0.00 0.00 0.00 08:17:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 261.79 236.92 3038.29 43.90 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2098) 05/02/26 _x86_64_ (4 CPU) 08:13:03 LINUX RESTART (4 CPU) 08:14:02 CPU %user %nice %system %iowait %steal %idle 08:15:01 all 22.31 0.00 1.39 2.26 1.28 72.76 08:15:01 0 24.22 0.00 1.30 1.64 1.17 71.67 08:15:01 1 7.15 0.00 0.95 3.89 0.85 87.16 08:15:01 2 33.54 0.00 2.06 1.96 1.70 60.74 08:15:01 3 24.27 0.00 1.23 1.55 1.43 71.51 08:16:01 all 44.90 0.00 2.29 1.31 2.86 48.62 08:16:01 0 46.53 0.00 2.24 2.16 2.62 46.46 08:16:01 1 43.06 0.00 1.21 0.30 2.57 52.87 08:16:01 2 51.04 0.00 2.93 0.91 3.40 41.71 08:16:01 3 39.00 0.00 2.82 1.89 2.87 53.43 08:17:01 all 21.98 0.00 1.59 0.69 1.03 74.71 08:17:01 0 30.82 0.00 1.77 0.33 1.02 66.06 08:17:01 1 7.63 0.00 1.10 1.63 0.85 88.80 08:17:01 2 10.01 0.00 1.41 0.12 0.65 87.81 08:17:01 3 39.50 0.00 2.08 0.67 1.61 56.14 Average: all 29.79 0.00 1.76 1.42 1.73 65.31 Average: 0 33.93 0.00 1.77 1.38 1.61 61.32 Average: 1 19.38 0.00 1.08 1.92 1.42 76.19 Average: 2 31.54 0.00 2.14 0.99 1.92 63.41 Average: 3 34.31 0.00 2.05 1.37 1.97 60.30