---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-13076 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: 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.8G 69G 12% / 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 590 12679 0 2769 15118 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:6b:7c:d2 brd ff:ff:ff:ff:ff:ff inet 10.30.106.157/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:fe6b:7cd2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-13076) 08/17/26 _x86_64_ (4 CPU) 05:48:21 LINUX RESTART (4 CPU) 05:49:01 tps rtps wtps bread/s bwrtn/s 05:50:01 159.04 13.06 145.98 977.04 23839.89 05:51:01 107.12 10.81 96.30 504.32 13228.86 05:52:01 64.57 1.70 62.87 67.59 6242.29 05:53:01 74.99 14.38 60.61 1129.68 6504.12 Average: 101.43 9.99 91.44 669.66 12453.79 05:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:50:01 13441248 15452540 2983712 18.17 80396 2113004 908972 5.20 809280 1922780 288168 05:51:01 12872308 15064120 3552652 21.63 94648 2262388 1326744 7.59 1231728 2039740 85532 05:52:01 13140900 15495788 3284060 19.99 104844 2391832 893976 5.12 840012 2138408 68816 05:53:01 12977772 15477220 3447188 20.99 112824 2514872 833200 4.77 914972 2213432 41908 Average: 13108057 15372417 3316903 20.19 98178 2320524 990723 5.67 948998 2078590 121106 05:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:50:01 ens3 114.48 75.84 1691.78 14.87 0.00 0.00 0.00 0.00 05:50:01 lo 1.20 1.20 0.14 0.14 0.00 0.00 0.00 0.00 05:51:01 ens3 53.47 49.14 93.35 13.69 0.00 0.00 0.00 0.00 05:51:01 lo 0.73 0.73 0.08 0.08 0.00 0.00 0.00 0.00 05:52:01 ens3 22.45 19.43 39.04 6.29 0.00 0.00 0.00 0.00 05:52:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 05:53:01 ens3 53.32 46.71 90.70 14.24 0.00 0.00 0.00 0.00 05:53:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 60.93 47.78 478.72 12.27 0.00 0.00 0.00 0.00 Average: lo 0.60 0.60 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-13076) 08/17/26 _x86_64_ (4 CPU) 05:48:21 LINUX RESTART (4 CPU) 05:49:01 CPU %user %nice %system %iowait %steal %idle 05:50:01 all 20.98 0.00 1.77 1.84 0.06 75.35 05:50:01 0 26.82 0.00 1.86 2.67 0.05 68.61 05:50:01 1 8.83 0.00 0.97 2.45 0.05 87.70 05:50:01 2 16.57 0.00 1.67 1.25 0.08 80.41 05:50:01 3 31.69 0.00 2.58 0.95 0.08 64.69 05:51:01 all 23.46 0.00 1.42 0.67 0.05 74.40 05:51:01 0 4.64 0.00 1.26 0.92 0.03 93.15 05:51:01 1 33.14 0.00 1.47 0.13 0.07 65.19 05:51:01 2 19.11 0.00 1.30 1.22 0.05 78.32 05:51:01 3 36.88 0.00 1.67 0.45 0.05 60.95 05:52:01 all 24.19 0.00 0.92 0.43 0.07 74.40 05:52:01 0 5.15 0.00 0.82 0.77 0.07 93.19 05:52:01 1 18.65 0.00 0.62 0.05 0.07 80.61 05:52:01 2 31.97 0.00 0.85 0.75 0.07 66.37 05:52:01 3 40.88 0.00 1.40 0.13 0.05 57.53 05:53:01 all 21.97 0.00 2.83 0.50 0.06 74.64 05:53:01 0 8.41 0.00 2.12 0.73 0.03 88.70 05:53:01 1 40.59 0.00 3.35 0.47 0.07 55.52 05:53:01 2 21.87 0.00 2.93 0.72 0.07 74.42 05:53:01 3 17.02 0.00 2.95 0.05 0.07 79.92 Average: all 22.65 0.00 1.74 0.86 0.06 74.70 Average: 0 11.25 0.00 1.51 1.27 0.05 85.92 Average: 1 25.31 0.00 1.60 0.78 0.06 72.25 Average: 2 22.39 0.00 1.69 0.98 0.07 74.87 Average: 3 31.61 0.00 2.15 0.40 0.06 65.78