---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2142 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 8.1G 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 464 4832 0 2679 7224 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:94:19:ef brd ff:ff:ff:ff:ff:ff inet 10.32.7.164/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86018sec preferred_lft 86018sec inet6 fe80::f816:3eff:fe94:19ef/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-2142) 05/02/26 _x86_64_ (4 CPU) 15:08:02 LINUX RESTART (4 CPU) 15:09:02 tps rtps wtps bread/s bwrtn/s 15:10:01 63.92 4.56 59.36 137.74 9943.13 15:11:01 63.30 25.44 37.85 1524.16 17110.16 15:12:01 8.30 0.00 8.30 0.00 325.81 15:13:01 44.88 2.10 42.78 84.36 8636.62 15:14:01 27.31 1.70 25.61 129.18 4979.84 Average: 41.47 6.77 34.70 375.90 8193.61 15:09:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:01 5861000 7500084 2306420 28.24 55324 1748756 600164 6.51 501452 1611712 116988 15:11:01 5227560 7297204 2939860 35.99 58212 2170072 779744 8.46 736320 1996628 1296 15:12:01 5216220 7293200 2951200 36.13 60104 2174564 787756 8.55 742096 2000148 2016 15:13:01 4718608 7149912 3448812 42.23 64464 2516400 899920 9.76 892448 2329608 100944 15:14:01 4969176 7422092 3198244 39.16 67592 2534560 670680 7.28 638900 2333324 16960 Average: 5198513 7332498 2968907 36.35 61139 2228870 747653 8.11 702243 2054284 47641 15:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 15:10:01 ens3 60.70 47.91 697.52 6.33 0.00 0.00 0.00 0.00 15:11:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 15:11:01 ens3 271.86 186.89 6278.10 25.43 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 57.31 80.67 64.12 13.08 0.00 0.00 0.00 0.00 15:13:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 570.06 529.42 4075.49 65.65 0.00 0.00 0.00 0.00 15:14:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 15:14:01 ens3 29.25 25.70 28.04 11.79 0.00 0.00 0.00 0.00 Average: lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 198.32 174.56 2234.03 24.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2142) 05/02/26 _x86_64_ (4 CPU) 15:08:02 LINUX RESTART (4 CPU) 15:09:02 CPU %user %nice %system %iowait %steal %idle 15:10:01 all 19.91 0.00 1.39 1.99 1.34 75.37 15:10:01 0 60.02 0.00 3.37 0.71 2.72 33.18 15:10:01 1 10.89 0.00 0.77 0.93 1.14 86.26 15:10:01 2 3.74 0.00 0.27 0.02 0.73 95.25 15:10:01 3 5.02 0.00 1.17 6.32 0.76 86.72 15:11:01 all 15.73 0.00 1.17 1.38 2.47 79.25 15:11:01 0 14.91 0.00 0.74 2.32 2.18 79.85 15:11:01 1 16.46 0.00 1.18 0.45 2.21 79.70 15:11:01 2 15.32 0.00 1.21 2.02 2.31 79.14 15:11:01 3 16.23 0.00 1.53 0.75 3.17 78.33 15:12:01 all 5.21 0.00 0.28 0.03 1.09 93.39 15:12:01 0 2.17 0.00 0.10 0.00 0.94 96.79 15:12:01 1 9.97 0.00 0.22 0.00 0.93 88.89 15:12:01 2 7.42 0.00 0.63 0.02 1.34 90.59 15:12:01 3 1.29 0.00 0.18 0.12 1.14 97.26 15:13:01 all 13.68 0.00 1.37 0.62 2.02 82.32 15:13:01 0 14.82 0.00 1.45 1.00 1.74 80.99 15:13:01 1 10.17 0.00 1.11 0.23 1.45 87.04 15:13:01 2 11.75 0.00 1.32 0.89 2.10 83.94 15:13:01 3 17.99 0.00 1.55 0.33 2.79 77.34 15:14:01 all 20.81 0.00 1.13 0.92 1.32 75.82 15:14:01 0 14.48 0.00 1.38 1.99 1.28 80.88 15:14:01 1 6.05 0.00 0.68 0.07 0.50 92.70 15:14:01 2 48.56 0.00 1.20 1.56 2.50 46.18 15:14:01 3 14.18 0.00 1.23 0.07 1.02 83.51 Average: all 15.05 0.00 1.06 0.99 1.65 81.25 Average: 0 21.12 0.00 1.40 1.20 1.77 74.50 Average: 1 10.71 0.00 0.79 0.33 1.25 86.91 Average: 2 17.38 0.00 0.93 0.91 1.80 78.99 Average: 3 10.96 0.00 1.13 1.50 1.78 84.63