---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-358 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 466 5413 0 2095 7231 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:25:66:86 brd ff:ff:ff:ff:ff:ff inet 10.32.6.51/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe25:6686/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-358) 05/08/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 163.78 85.55 78.22 4949.55 40101.98 19:15:01 67.82 12.21 55.61 292.22 9180.34 19:16:01 67.14 9.03 58.11 481.79 7831.49 19:17:01 23.56 0.47 23.10 39.59 4447.39 Average: 80.58 26.82 53.76 1440.93 15391.33 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 6059860 7450016 2107560 25.80 35772 1535040 677108 7.35 549636 1397212 71100 19:15:01 5732576 7392436 2434844 29.81 56792 1767444 825076 8.95 627664 1613468 130276 19:16:01 5560304 7416344 2607116 31.92 62560 1952624 684112 7.42 682948 1719652 113680 19:17:01 5569960 7432304 2597460 31.80 64736 1956192 650524 7.06 675528 1715600 11324 Average: 5730675 7422775 2436745 29.83 54965 1802825 709205 7.70 633944 1611483 81595 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 19:14:01 ens3 441.20 255.15 1273.61 66.26 0.00 0.00 0.00 0.00 19:15:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 19:15:01 ens3 84.09 66.09 738.55 16.57 0.00 0.00 0.00 0.00 19:16:01 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 19:16:01 ens3 265.02 278.52 1243.85 52.60 0.00 0.00 0.00 0.00 19:17:01 lo 1.60 1.60 0.14 0.14 0.00 0.00 0.00 0.00 19:17:01 ens3 54.54 61.89 32.10 531.56 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 211.22 165.42 822.05 166.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-358) 05/08/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 21.02 0.00 3.06 4.79 1.91 69.22 19:14:01 0 11.47 0.00 1.58 2.43 1.38 83.14 19:14:01 1 9.89 0.00 1.57 4.86 1.98 81.70 19:14:01 2 21.07 0.00 2.25 5.81 1.96 68.91 19:14:01 3 41.72 0.00 6.85 6.07 2.34 43.02 19:15:01 all 22.55 0.00 1.49 1.86 1.66 72.44 19:15:01 0 21.20 0.00 1.25 0.20 1.61 75.75 19:15:01 1 23.28 0.00 1.18 0.48 2.04 73.02 19:15:01 2 38.61 0.00 2.96 6.49 2.11 49.83 19:15:01 3 7.07 0.00 0.57 0.25 0.90 91.22 19:16:01 all 37.52 0.00 1.91 0.89 3.40 56.28 19:16:01 0 33.98 0.00 2.05 0.73 3.45 59.80 19:16:01 1 27.68 0.00 1.66 1.44 3.07 66.15 19:16:01 2 35.03 0.00 1.46 0.95 2.95 59.61 19:16:01 3 53.35 0.00 2.48 0.45 4.11 39.61 19:17:01 all 20.10 0.00 1.10 0.81 1.01 76.98 19:17:01 0 34.20 0.00 1.48 0.33 1.56 62.42 19:17:01 1 20.78 0.00 1.15 0.88 0.88 76.31 19:17:01 2 1.68 0.00 0.78 1.98 0.47 95.10 19:17:01 3 23.75 0.00 0.98 0.08 1.10 74.09 Average: all 25.31 0.00 1.89 2.09 2.00 68.72 Average: 0 25.23 0.00 1.59 0.92 2.00 70.26 Average: 1 20.40 0.00 1.39 1.92 1.99 74.30 Average: 2 24.10 0.00 1.86 3.80 1.87 68.36 Average: 3 31.51 0.00 2.72 1.71 2.12 61.95