---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-434 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 7.6G 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 474 5292 0 2208 7221 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:b1:3c:07 brd ff:ff:ff:ff:ff:ff inet 10.32.7.72/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:feb1:3c07/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-434) 04/13/26 _x86_64_ (4 CPU) 07:04:50 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 125.98 54.22 71.75 3574.20 18658.77 07:07:01 78.72 31.37 47.35 1730.69 8472.46 07:08:01 51.94 10.76 41.18 635.49 12143.04 07:09:01 22.13 0.35 21.78 33.72 1443.25 Average: 69.65 24.15 45.51 1492.47 10186.16 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5900204 7372536 2267216 27.76 39984 1609980 741156 8.04 638936 1458712 124104 07:07:01 5625288 7357004 2542132 31.13 59896 1834052 754064 8.18 690684 1650888 131316 07:08:01 5448616 7419712 2718804 33.29 65452 2062424 665076 7.22 731008 1776752 26476 07:09:01 5435936 7410448 2731484 33.44 67452 2063500 668672 7.26 744172 1774964 10456 Average: 5602511 7389925 2564909 31.40 58196 1892489 707242 7.67 701200 1665329 73088 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 409.50 214.41 1478.11 64.85 0.00 0.00 0.00 0.00 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 110.12 93.68 856.29 20.68 0.00 0.00 0.00 0.00 07:07:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 07:08:01 ens3 175.49 164.69 1459.80 686.53 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 12.13 12.65 9.35 6.10 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 177.08 121.47 951.24 195.26 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-434) 04/13/26 _x86_64_ (4 CPU) 07:04:50 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.69 0.00 1.96 4.45 1.30 69.59 07:06:02 0 27.71 0.00 1.98 1.80 1.13 67.38 07:06:02 1 12.24 0.00 1.62 2.88 0.80 82.46 07:06:02 2 41.76 0.00 2.63 5.90 1.92 47.79 07:06:02 3 8.95 0.00 1.68 7.23 1.33 80.81 07:07:01 all 28.07 0.00 1.88 2.19 2.05 65.81 07:07:01 0 40.97 0.00 2.55 1.15 2.17 53.16 07:07:01 1 15.86 0.00 1.23 2.36 1.92 78.62 07:07:01 2 37.67 0.00 2.33 0.94 2.21 56.85 07:07:01 3 17.85 0.00 1.40 4.31 1.87 74.57 07:08:01 all 33.60 0.00 1.99 1.35 2.11 60.95 07:08:01 0 51.43 0.00 2.25 0.93 2.41 42.98 07:08:01 1 19.39 0.00 1.48 1.86 1.80 75.46 07:08:01 2 35.17 0.00 1.78 0.60 2.03 60.42 07:08:01 3 28.38 0.00 2.42 2.02 2.20 64.98 07:09:01 all 20.79 0.00 0.97 0.81 1.18 76.26 07:09:01 0 26.75 0.00 1.30 0.12 1.03 70.80 07:09:01 1 11.54 0.00 0.79 2.76 1.29 83.61 07:09:01 2 28.07 0.00 0.93 0.12 1.58 69.31 07:09:01 3 16.82 0.00 0.88 0.22 0.80 81.29 Average: all 26.28 0.00 1.70 2.20 1.66 68.16 Average: 0 36.70 0.00 2.02 1.00 1.68 58.60 Average: 1 14.75 0.00 1.28 2.47 1.45 80.05 Average: 2 35.66 0.00 1.92 1.90 1.93 58.59 Average: 3 17.99 0.00 1.59 3.44 1.55 75.42