---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8607 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 463 5358 0 2154 7233 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:82:ba:c3 brd ff:ff:ff:ff:ff:ff inet 10.32.7.85/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe82:bac3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8607) 11/09/25 _x86_64_ (4 CPU) 07:04:51 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 128.26 54.36 73.90 3573.94 35003.77 07:07:01 83.08 29.38 53.70 1688.93 9070.67 07:08:01 64.63 8.56 56.07 484.96 7604.86 07:09:01 22.56 1.32 21.25 65.72 4751.34 Average: 74.63 23.40 51.23 1453.30 14107.33 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5971256 7397800 2196156 26.89 37196 1569128 724428 7.86 602400 1429304 87056 07:07:01 5658400 7363868 2509012 30.72 57180 1812140 834152 9.05 655076 1656424 124120 07:08:01 5441592 7356000 2725820 33.37 63120 2009976 736016 7.99 775416 1742928 117940 07:09:01 5510948 7428748 2656464 32.53 64980 2011504 663568 7.20 709460 1739800 9504 Average: 5645549 7386604 2521863 30.88 55619 1850687 739541 8.02 685588 1642114 84655 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 408.30 243.93 1436.94 66.78 0.00 0.00 0.00 0.00 07:06:01 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 07:07:01 ens3 77.73 47.27 450.75 16.06 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 260.32 263.40 1255.64 48.26 0.00 0.00 0.00 0.00 07:08:01 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 07:09:01 ens3 60.66 63.27 28.89 607.93 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 201.76 154.48 793.11 184.75 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8607) 11/09/25 _x86_64_ (4 CPU) 07:04:51 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.51 0.00 1.95 4.58 1.65 70.31 07:06:01 0 23.34 0.00 2.42 4.42 1.60 68.21 07:06:01 1 28.25 0.00 2.40 6.61 1.81 60.93 07:06:01 2 21.42 0.00 1.51 1.31 2.02 73.75 07:06:01 3 13.00 0.00 1.52 5.97 1.18 78.34 07:07:01 all 21.90 0.00 1.47 2.58 1.48 72.57 07:07:01 0 4.42 0.00 0.70 5.73 0.80 88.35 07:07:01 1 4.91 0.00 0.61 2.41 1.72 90.35 07:07:01 2 38.84 0.00 2.53 1.26 1.86 55.50 07:07:01 3 39.62 0.00 2.02 0.90 1.54 55.93 07:08:01 all 36.01 0.00 1.72 1.45 2.91 57.91 07:08:01 0 29.96 0.00 0.88 0.58 2.21 66.37 07:08:01 1 55.44 0.00 2.46 4.24 3.79 34.06 07:08:01 2 29.73 0.00 2.08 0.33 3.20 64.66 07:08:01 3 29.00 0.00 1.43 0.65 2.46 66.47 07:09:01 all 20.79 0.00 1.07 0.81 0.97 76.36 07:09:01 0 37.39 0.00 1.45 0.30 1.23 59.64 07:09:01 1 34.63 0.00 1.58 2.57 1.61 59.61 07:09:01 2 5.27 0.00 0.70 0.30 0.80 92.93 07:09:01 3 5.80 0.00 0.60 0.08 0.25 93.27 Average: all 25.06 0.00 1.55 2.35 1.76 69.28 Average: 0 23.78 0.00 1.36 2.76 1.46 70.64 Average: 1 30.77 0.00 1.76 3.96 2.23 61.28 Average: 2 23.82 0.00 1.70 0.80 1.97 71.70 Average: 3 21.85 0.00 1.39 1.90 1.36 73.51