---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2751 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 8.1G 12G 43% / 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 467 4752 0 2755 7219 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:26:7b:99 brd ff:ff:ff:ff:ff:ff inet 10.32.6.241/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe26:7b99/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2751) 06/06/26 _x86_64_ (4 CPU) 12:27:55 LINUX RESTART (4 CPU) 12:28:02 tps rtps wtps bread/s bwrtn/s 12:29:01 143.43 55.63 87.80 3654.16 41504.71 12:30:01 83.42 29.73 53.69 1657.46 9543.08 12:31:01 88.35 8.60 79.75 491.12 27311.45 12:32:01 26.16 0.68 25.48 77.72 3899.62 Average: 85.10 23.53 61.57 1460.98 20477.11 12:28:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:29:01 5965020 7412452 2202392 26.97 38380 1588420 706704 7.67 591408 1446908 99880 12:30:01 5564072 7335076 2603340 31.87 58348 1874112 834664 9.06 703568 1699936 155860 12:31:01 4879972 7395040 3287440 40.25 65392 2598308 691860 7.51 704240 2357352 85884 12:32:01 4834164 7362152 3333248 40.81 68024 2608180 708460 7.69 744352 2361112 14308 Average: 5310807 7376180 2856605 34.98 57536 2167255 735422 7.98 685892 1966327 88983 12:28:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:29:01 ens3 419.39 244.87 1549.48 66.83 0.00 0.00 0.00 0.00 12:29:01 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 12:30:01 ens3 80.69 59.16 523.28 15.45 0.00 0.00 0.00 0.00 12:30:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 12:31:01 ens3 598.07 489.94 10609.23 70.11 0.00 0.00 0.00 0.00 12:31:01 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 12:32:01 ens3 12.66 15.00 10.82 13.44 0.00 0.00 0.00 0.00 12:32:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 277.11 202.06 3179.99 41.35 0.00 0.00 0.00 0.00 Average: lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2751) 06/06/26 _x86_64_ (4 CPU) 12:27:55 LINUX RESTART (4 CPU) 12:28:02 CPU %user %nice %system %iowait %steal %idle 12:29:01 all 22.07 0.00 2.64 4.74 1.55 69.00 12:29:01 0 15.08 0.00 1.77 5.02 1.13 76.99 12:29:01 1 32.14 0.00 2.28 1.15 1.94 62.50 12:29:01 2 18.33 0.00 2.18 9.48 1.44 68.56 12:29:01 3 22.73 0.00 4.33 3.35 1.67 67.93 12:30:01 all 22.85 0.00 1.39 2.14 1.29 72.33 12:30:01 0 3.59 0.00 0.40 4.72 0.86 90.42 12:30:01 1 39.52 0.00 2.20 0.97 1.63 55.69 12:30:01 2 27.95 0.00 0.98 0.28 1.30 69.48 12:30:01 3 20.37 0.00 1.99 2.57 1.33 73.73 12:31:01 all 35.76 0.00 2.15 1.81 2.47 57.82 12:31:01 0 24.28 0.00 1.26 1.21 2.03 71.22 12:31:01 1 42.36 0.00 1.90 1.60 2.28 51.86 12:31:01 2 32.19 0.00 3.88 3.95 2.41 57.57 12:31:01 3 44.19 0.00 1.54 0.46 3.17 50.63 12:32:01 all 20.75 0.00 0.91 0.94 0.96 76.45 12:32:01 0 32.50 0.00 0.99 1.12 1.10 64.29 12:32:01 1 5.12 0.00 0.75 2.41 0.35 91.37 12:32:01 2 13.76 0.00 0.72 0.07 0.60 84.86 12:32:01 3 31.59 0.00 1.19 0.15 1.75 65.32 Average: all 25.37 0.00 1.77 2.40 1.57 68.90 Average: 0 18.86 0.00 1.10 3.01 1.28 75.74 Average: 1 29.77 0.00 1.78 1.53 1.55 65.37 Average: 2 23.08 0.00 1.94 3.42 1.44 70.13 Average: 3 29.76 0.00 2.25 1.62 1.98 64.39