---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-979 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 7.8G 12G 41% / 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 470 5129 0 2375 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:34:8b:cf brd ff:ff:ff:ff:ff:ff inet 10.32.6.237/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86066sec preferred_lft 86066sec inet6 fe80::f816:3eff:fe34:8bcf/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-979) 05/16/26 _x86_64_ (4 CPU) 05:14:56 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:01 160.05 79.76 80.29 4829.59 39963.63 05:17:01 70.89 15.85 55.04 1043.96 9237.93 05:18:01 52.46 20.21 32.24 1230.19 8342.61 05:19:01 16.25 4.82 11.43 176.24 3668.19 05:20:01 28.81 1.27 27.54 98.90 7681.97 Average: 65.69 24.38 41.31 1475.84 13779.53 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 6051676 7439536 2115744 25.90 35496 1532860 679028 7.37 556456 1396420 70860 05:17:01 5794264 7474160 2373156 29.06 56600 1787840 804732 8.73 534000 1642388 130644 05:18:01 4768968 6694168 3398452 41.61 62432 2020100 1421212 15.42 1363428 1822140 96732 05:19:01 4765420 6806260 3402000 41.65 65300 2129364 1194312 12.96 1313388 1867680 101264 05:20:01 5265440 7404712 2901980 35.53 68660 2222876 690460 7.49 739004 1941132 11252 Average: 5329154 7163767 2838266 34.75 57698 1938608 957949 10.39 901255 1733952 82150 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 ens3 400.58 212.51 1237.67 64.30 0.00 0.00 0.00 0.00 05:16:01 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 05:17:01 ens3 70.70 58.29 729.91 11.53 0.00 0.00 0.00 0.00 05:17:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 05:18:01 ens3 225.45 209.52 3116.46 27.60 0.00 0.00 0.00 0.00 05:18:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 05:19:01 ens3 73.32 71.40 755.78 10.45 0.00 0.00 0.00 0.00 05:19:01 lo 120.55 120.55 36.42 36.42 0.00 0.00 0.00 0.00 05:20:01 ens3 61.11 54.17 504.20 12.92 0.00 0.00 0.00 0.00 05:20:01 lo 0.87 0.87 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 166.24 121.18 1268.78 25.36 0.00 0.00 0.00 0.00 Average: lo 24.93 24.93 7.36 7.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-979) 05/16/26 _x86_64_ (4 CPU) 05:14:56 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:01 all 21.73 0.00 3.01 5.57 2.02 67.67 05:16:01 0 26.45 0.00 4.87 6.05 2.17 60.47 05:16:01 1 19.98 0.00 1.59 1.48 1.49 75.46 05:16:01 2 20.44 0.00 3.10 7.09 2.52 66.84 05:16:01 3 20.06 0.00 2.45 7.67 1.91 67.91 05:17:01 all 20.85 0.00 1.41 2.01 1.31 74.43 05:17:01 0 20.84 0.00 1.48 0.80 1.03 75.85 05:17:01 1 6.06 0.00 0.44 0.82 1.68 90.99 05:17:01 2 25.93 0.00 2.14 6.25 1.59 64.08 05:17:01 3 30.72 0.00 1.58 0.15 0.95 66.60 05:18:01 all 28.47 0.00 1.51 1.15 2.01 66.86 05:18:01 0 22.83 0.00 1.38 2.24 2.08 71.47 05:18:01 1 27.83 0.00 1.81 0.47 1.86 68.03 05:18:01 2 31.73 0.00 1.58 1.67 2.40 62.61 05:18:01 3 31.49 0.00 1.28 0.23 1.68 65.31 05:19:01 all 44.20 0.00 1.44 0.37 3.04 50.96 05:19:01 0 46.29 0.00 1.38 0.28 3.09 48.95 05:19:01 1 50.78 0.00 1.15 0.05 2.79 45.23 05:19:01 2 40.94 0.00 2.02 0.58 3.40 53.06 05:19:01 3 38.77 0.00 1.20 0.57 2.86 56.60 05:20:01 all 21.20 0.00 1.07 0.79 1.02 75.94 05:20:01 0 28.29 0.00 1.02 0.08 1.02 69.59 05:20:01 1 32.91 0.00 1.40 0.05 1.38 64.27 05:20:01 2 12.13 0.00 0.80 1.61 1.05 84.42 05:20:01 3 11.44 0.00 1.07 1.40 0.62 85.47 Average: all 27.28 0.00 1.69 1.98 1.88 67.17 Average: 0 28.94 0.00 2.03 1.89 1.88 65.26 Average: 1 27.47 0.00 1.28 0.57 1.84 68.84 Average: 2 26.23 0.00 1.93 3.45 2.19 66.20 Average: 3 26.50 0.00 1.52 2.01 1.60 68.37