---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-18372 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.5G 69G 11% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 663 13096 0 2279 15061 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:e5:0e:0a brd ff:ff:ff:ff:ff:ff inet 10.30.106.145/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86136sec preferred_lft 86136sec inet6 fe80::f816:3eff:fee5:e0a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18372) 06/20/26 _x86_64_ (4 CPU) 06:20:24 LINUX RESTART (4 CPU) 06:21:01 tps rtps wtps bread/s bwrtn/s 06:22:01 161.06 17.16 143.90 696.03 24933.82 06:23:01 58.54 0.90 57.64 29.06 15892.95 06:24:01 9.90 2.27 7.63 61.06 8552.84 Average: 76.51 6.78 69.73 262.08 16460.34 06:21:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:22:01 13054308 15011208 3370660 20.52 74484 2069104 1320404 7.56 1237936 1893460 213472 06:23:01 12041644 14021720 4383324 26.69 76212 2089468 2293060 13.12 2239048 1899144 5040 06:24:01 13495748 15492956 2929220 17.83 76528 2106060 770280 4.41 784892 1903400 2620 Average: 12863900 14841961 3561068 21.68 75741 2088211 1461248 8.36 1420625 1898668 73711 06:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:22:01 ens3 303.93 224.71 3863.32 38.80 0.00 0.00 0.00 0.00 06:22:01 lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 06:23:01 ens3 88.22 59.64 133.61 16.81 0.00 0.00 0.00 0.00 06:23:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 06:24:01 ens3 268.66 172.67 372.85 80.35 0.00 0.00 0.00 0.00 06:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 220.27 152.34 1456.73 45.32 0.00 0.00 0.00 0.00 Average: lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18372) 06/20/26 _x86_64_ (4 CPU) 06:20:24 LINUX RESTART (4 CPU) 06:21:01 CPU %user %nice %system %iowait %steal %idle 06:22:01 all 29.34 0.00 1.82 1.94 0.07 66.84 06:22:01 0 18.07 0.00 1.05 3.90 0.07 76.92 06:22:01 1 60.17 0.00 3.51 1.46 0.08 34.77 06:22:01 2 20.05 0.00 1.59 1.24 0.05 77.08 06:22:01 3 19.23 0.00 1.11 1.16 0.08 78.42 06:23:01 all 44.22 0.00 0.95 0.39 0.08 54.36 06:23:01 0 37.03 0.00 0.85 0.82 0.05 61.25 06:23:01 1 50.66 0.00 0.88 0.02 0.08 48.36 06:23:01 2 62.34 0.00 1.52 0.03 0.07 36.05 06:23:01 3 26.91 0.00 0.57 0.70 0.07 71.76 06:24:01 all 29.04 0.00 0.59 0.21 0.05 70.11 06:24:01 0 14.46 0.00 0.62 0.00 0.07 84.86 06:24:01 1 35.72 0.00 0.82 0.03 0.05 63.38 06:24:01 2 54.38 0.00 0.37 0.00 0.07 45.19 06:24:01 3 11.81 0.00 0.53 0.81 0.03 86.83 Average: all 34.19 0.00 1.12 0.85 0.07 63.78 Average: 0 23.18 0.00 0.84 1.57 0.06 74.35 Average: 1 48.83 0.00 1.74 0.50 0.07 48.86 Average: 2 45.61 0.00 1.16 0.42 0.06 52.75 Average: 3 19.29 0.00 0.73 0.89 0.06 79.03