---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1921 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 7.7G 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 478 5209 0 2287 7214 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:a2:85:72 brd ff:ff:ff:ff:ff:ff inet 10.32.6.252/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85958sec preferred_lft 85958sec inet6 fe80::f816:3eff:fea2:8572/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1921) 08/02/25 _x86_64_ (4 CPU) 05:56:48 LINUX RESTART (4 CPU) 05:57:01 tps rtps wtps bread/s bwrtn/s 05:58:01 114.96 53.91 61.06 3532.74 5636.66 05:59:01 70.01 20.89 49.12 1354.62 8297.50 06:00:01 45.28 9.00 36.28 301.02 6460.79 06:01:01 8.53 0.00 8.53 0.00 378.60 06:02:01 34.79 10.46 24.33 722.01 3063.76 06:03:01 37.10 3.87 33.24 113.96 6299.37 06:04:01 24.43 0.70 23.73 77.85 1574.80 Average: 47.87 14.12 33.75 871.74 4530.34 05:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:58:01 5967076 7388648 2200336 26.94 37120 1564300 713664 7.74 610608 1422164 68224 05:59:01 5714948 7399172 2452464 30.03 57044 1791484 811472 8.81 616008 1640236 135492 06:00:01 5515544 7261160 2651868 32.47 59040 1849196 811432 8.80 758236 1693248 1948 06:01:01 5474036 7226736 2693376 32.98 60828 1853476 841488 9.13 794988 1696256 2628 06:02:01 4348064 6209064 3819348 46.76 63164 1955780 1797556 19.50 1842240 1760512 116 06:03:01 5286864 7334320 2880548 35.27 68068 2133220 756596 8.21 798344 1863276 31924 06:04:01 5281640 7333984 2885772 35.33 69920 2135804 737796 8.01 805748 1861056 12016 Average: 5369739 7164726 2797673 34.25 59312 1897609 924286 10.03 889453 1705250 36050 05:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:58:01 ens3 439.79 223.80 1417.12 64.87 0.00 0.00 0.00 0.00 05:58:01 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 05:59:01 ens3 64.01 38.50 419.04 11.75 0.00 0.00 0.00 0.00 05:59:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 06:00:01 ens3 102.07 116.86 800.93 17.71 0.00 0.00 0.00 0.00 06:00:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 06:01:01 ens3 88.14 128.86 73.82 19.93 0.00 0.00 0.00 0.00 06:01:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 06:02:01 ens3 188.70 184.62 1309.33 29.32 0.00 0.00 0.00 0.00 06:02:01 lo 77.00 77.00 28.70 28.70 0.00 0.00 0.00 0.00 06:03:01 ens3 232.34 244.52 1122.30 51.78 0.00 0.00 0.00 0.00 06:03:01 lo 46.35 46.35 7.79 7.79 0.00 0.00 0.00 0.00 06:04:01 ens3 12.43 12.70 9.31 6.02 0.00 0.00 0.00 0.00 06:04:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 161.07 135.69 735.98 28.77 0.00 0.00 0.00 0.00 Average: lo 18.15 18.15 5.26 5.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1921) 08/02/25 _x86_64_ (4 CPU) 05:56:48 LINUX RESTART (4 CPU) 05:57:01 CPU %user %nice %system %iowait %steal %idle 05:58:01 all 21.39 0.00 1.63 4.26 2.44 70.28 05:58:01 0 16.00 0.00 1.52 5.86 1.90 74.71 05:58:01 1 17.02 0.00 1.13 1.23 2.91 77.71 05:58:01 2 21.09 0.00 2.05 6.38 2.45 68.04 05:58:01 3 31.51 0.00 1.82 3.59 2.48 60.59 05:59:01 all 21.25 0.00 1.43 2.56 1.76 72.99 05:59:01 0 5.15 0.00 0.56 2.16 1.57 90.56 05:59:01 1 36.76 0.00 1.83 0.84 2.38 58.18 05:59:01 2 17.10 0.00 1.42 6.00 1.70 73.78 05:59:01 3 26.01 0.00 1.94 1.25 1.40 69.40 06:00:01 all 11.91 0.00 0.60 0.81 2.21 84.48 06:00:01 0 7.28 0.00 0.60 1.64 1.93 88.56 06:00:01 1 16.82 0.00 0.31 0.94 1.86 80.06 06:00:01 2 10.74 0.00 0.96 0.64 2.76 84.89 06:00:01 3 12.79 0.00 0.49 0.02 2.31 84.39 06:01:01 all 5.27 0.00 0.40 0.05 1.83 92.45 06:01:01 0 3.42 0.00 0.28 0.08 1.31 94.90 06:01:01 1 2.72 0.00 0.23 0.00 0.96 96.09 06:01:01 2 7.97 0.00 0.35 0.02 2.57 89.09 06:01:01 3 6.96 0.00 0.76 0.08 2.44 89.76 06:02:01 all 48.21 0.00 1.72 0.54 5.99 43.53 06:02:01 0 48.37 0.00 1.87 0.67 6.37 42.72 06:02:01 1 52.91 0.00 1.71 0.43 5.72 39.23 06:02:01 2 50.06 0.00 1.61 0.41 5.88 42.05 06:02:01 3 41.50 0.00 1.75 0.67 6.01 50.06 06:03:01 all 24.92 0.00 1.34 0.71 3.03 70.00 06:03:01 0 23.84 0.00 0.74 0.00 2.35 73.07 06:03:01 1 48.42 0.00 1.87 0.66 3.40 45.65 06:03:01 2 15.03 0.00 1.74 0.35 3.07 79.81 06:03:01 3 12.62 0.00 0.95 1.81 3.29 81.33 06:04:01 all 20.18 0.00 0.94 1.17 2.03 75.68 06:04:01 0 8.29 0.00 0.67 0.16 1.85 89.02 06:04:01 1 7.12 0.00 0.67 0.02 2.74 89.46 06:04:01 2 36.75 0.00 1.27 0.31 2.00 59.66 06:04:01 3 28.91 0.00 1.21 4.20 1.51 64.17 Average: all 21.90 0.00 1.15 1.44 2.76 72.74 Average: 0 16.07 0.00 0.89 1.51 2.47 79.05 Average: 1 25.94 0.00 1.11 0.59 2.85 69.51 Average: 2 22.70 0.00 1.34 2.01 2.92 71.03 Average: 3 22.89 0.00 1.27 1.66 2.78 71.40