---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8544 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: 2800.000 BogoMIPS: 5600.00 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 464 5139 0 2371 7227 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:5b:6b:2f brd ff:ff:ff:ff:ff:ff inet 10.32.6.214/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85882sec preferred_lft 85882sec inet6 fe80::f816:3eff:fe5b:6b2f/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-8544) 11/08/25 _x86_64_ (4 CPU) 14:38:49 LINUX RESTART (4 CPU) 14:39:01 tps rtps wtps bread/s bwrtn/s 14:40:01 108.47 54.52 53.94 3592.60 5103.82 14:41:01 85.65 29.64 56.01 1656.65 9661.58 14:42:01 33.83 0.27 33.56 7.20 6276.55 14:43:02 9.65 0.02 9.63 0.13 364.87 14:44:01 35.96 10.56 25.40 743.74 3668.80 14:45:01 2.78 0.10 2.68 3.07 88.12 14:46:01 26.66 3.80 22.86 111.05 2505.85 14:47:01 28.95 0.68 28.26 77.72 6145.51 Average: 41.51 12.45 29.05 774.10 4228.17 14:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:01 5971812 7397036 2195608 26.88 37000 1567964 717616 7.79 601856 1429076 85920 14:41:01 5662332 7366040 2505088 30.67 56904 1810608 836252 9.07 651788 1657372 105832 14:42:01 5503396 7283408 2664024 32.62 58964 1882972 814292 8.84 736380 1727724 1620 14:43:02 5490172 7277284 2677248 32.78 60948 1887144 814292 8.84 743760 1731164 1180 14:44:01 4438948 6351288 3728472 45.65 63200 2006448 1691868 18.36 1703524 1810788 1960 14:45:01 4415048 6327760 3752372 45.94 63276 2006552 1699904 18.45 1728620 1808420 164 14:46:01 5310848 7434788 2856572 34.98 67060 2209680 649348 7.05 714628 1923664 149552 14:47:01 5275892 7419804 2891528 35.40 69468 2226492 675056 7.32 737004 1933792 19356 Average: 5258556 7107176 2908864 35.62 59602 1949732 987328 10.71 952195 1752750 45698 14:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:01 ens3 370.17 233.74 1415.04 66.24 0.00 0.00 0.00 0.00 14:40:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 14:41:01 ens3 68.08 39.65 451.12 13.44 0.00 0.00 0.00 0.00 14:41:01 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 14:42:01 ens3 120.65 126.55 1195.45 21.32 0.00 0.00 0.00 0.00 14:42:01 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 14:43:02 ens3 59.76 85.60 60.60 13.68 0.00 0.00 0.00 0.00 14:43:02 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 14:44:01 ens3 235.54 258.94 1612.91 39.25 0.00 0.00 0.00 0.00 14:44:01 lo 3.08 3.08 1.45 1.45 0.00 0.00 0.00 0.00 14:45:01 ens3 3.02 2.47 0.70 0.81 0.00 0.00 0.00 0.00 14:45:01 lo 12.80 12.80 3.47 3.47 0.00 0.00 0.00 0.00 14:46:01 ens3 256.32 252.31 1119.59 51.82 0.00 0.00 0.00 0.00 14:46:01 lo 13.93 13.93 3.03 3.03 0.00 0.00 0.00 0.00 14:47:01 ens3 16.96 14.88 15.88 6.18 0.00 0.00 0.00 0.00 14:47:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 141.11 126.49 732.07 26.57 0.00 0.00 0.00 0.00 Average: lo 4.20 4.20 1.04 1.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8544) 11/08/25 _x86_64_ (4 CPU) 14:38:49 LINUX RESTART (4 CPU) 14:39:01 CPU %user %nice %system %iowait %steal %idle 14:40:01 all 22.06 0.00 1.73 3.39 1.20 71.62 14:40:01 0 15.83 0.00 1.90 5.38 1.00 75.89 14:40:01 1 30.66 0.00 1.88 3.24 1.63 62.59 14:40:01 2 14.93 0.00 1.70 2.35 1.02 80.01 14:40:01 3 26.81 0.00 1.43 2.60 1.15 68.01 14:41:01 all 21.58 0.00 1.42 2.22 0.96 73.81 14:41:01 0 3.22 0.00 0.58 4.42 0.47 91.32 14:41:01 1 61.51 0.00 3.39 1.97 1.92 31.21 14:41:01 2 17.53 0.00 1.17 1.22 1.10 78.99 14:41:01 3 4.10 0.00 0.50 1.28 0.37 93.74 14:42:01 all 11.89 0.00 0.62 0.60 0.53 86.35 14:42:01 0 15.02 0.00 0.53 1.35 0.62 82.48 14:42:01 1 13.09 0.00 0.50 0.03 0.43 85.95 14:42:01 2 9.08 0.00 0.92 1.05 0.64 88.32 14:42:01 3 10.37 0.00 0.55 0.00 0.43 88.65 14:43:02 all 4.38 0.00 0.33 0.04 0.23 95.02 14:43:02 0 1.35 0.00 0.10 0.05 0.12 98.38 14:43:02 1 4.55 0.00 0.62 0.00 0.12 94.71 14:43:02 2 8.20 0.00 0.35 0.10 0.55 90.79 14:43:02 3 3.45 0.00 0.25 0.00 0.10 96.20 14:44:01 all 42.21 0.00 1.50 0.62 2.68 52.99 14:44:01 0 39.25 0.00 1.84 0.71 2.93 55.28 14:44:01 1 42.96 0.00 1.28 0.32 2.53 52.91 14:44:01 2 45.27 0.00 1.31 0.46 2.46 50.51 14:44:01 3 41.33 0.00 1.61 1.00 2.81 53.26 14:45:01 all 3.46 0.00 0.35 0.02 0.37 95.79 14:45:01 0 3.71 0.00 0.45 0.02 0.28 95.54 14:45:01 1 3.96 0.00 0.27 0.02 0.42 95.34 14:45:01 2 3.22 0.00 0.38 0.05 0.42 95.93 14:45:01 3 2.95 0.00 0.30 0.00 0.37 96.38 14:46:01 all 18.43 0.00 1.38 0.14 1.01 79.03 14:46:01 0 20.68 0.00 2.12 0.28 1.08 75.83 14:46:01 1 21.36 0.00 0.80 0.02 1.02 76.80 14:46:01 2 18.03 0.00 1.72 0.25 1.05 78.95 14:46:01 3 13.67 0.00 0.91 0.00 0.91 84.50 14:47:01 all 21.11 0.00 0.92 0.94 0.79 76.24 14:47:01 0 34.08 0.00 1.32 2.80 1.00 60.80 14:47:01 1 46.27 0.00 1.61 0.28 1.50 50.34 14:47:01 2 2.77 0.00 0.50 0.67 0.25 95.82 14:47:01 3 1.37 0.00 0.25 0.02 0.43 97.93 Average: all 18.10 0.00 1.03 1.00 0.97 78.90 Average: 0 16.60 0.00 1.10 1.88 0.93 79.48 Average: 1 28.02 0.00 1.29 0.74 1.19 68.76 Average: 2 14.82 0.00 1.01 0.77 0.93 82.48 Average: 3 12.95 0.00 0.72 0.61 0.82 84.90