---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2053 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 468 5221 0 2285 7224 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:34:35:9c brd ff:ff:ff:ff:ff:ff inet 10.32.7.20/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fe34:359c/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-2053) 05/29/26 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 117.44 54.05 63.40 3562.01 5950.28 07:07:01 70.21 19.96 50.25 1361.13 9213.90 07:08:01 62.16 18.79 43.37 898.63 9321.56 07:09:01 28.35 3.48 24.86 132.91 6286.82 Average: 69.54 24.09 45.45 1489.27 7686.77 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5931548 7404096 2235864 27.38 39332 1611308 711764 7.72 606964 1461556 113076 07:07:01 5693064 7454512 2474348 30.30 58452 1864712 819500 8.89 557400 1715796 155528 07:08:01 5327736 7370876 2839676 34.77 66684 2130660 707812 7.68 774876 1849340 168428 07:09:01 5417220 7467844 2750192 33.67 68748 2135636 614552 6.67 686840 1846932 10532 Average: 5592392 7424332 2575020 31.53 58304 1935579 713407 7.74 656520 1718406 111891 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:02 ens3 403.40 230.96 1517.63 65.59 0.00 0.00 0.00 0.00 07:07:01 lo 1.42 1.42 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 68.51 56.48 534.68 14.24 0.00 0.00 0.00 0.00 07:08:01 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 07:08:01 ens3 176.82 160.23 1860.65 24.43 0.00 0.00 0.00 0.00 07:09:01 lo 1.73 1.73 0.15 0.15 0.00 0.00 0.00 0.00 07:09:01 ens3 62.51 70.47 31.61 673.27 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 178.28 129.85 988.09 195.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2053) 05/29/26 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.35 0.00 1.66 3.88 2.09 70.02 07:06:02 0 15.98 0.00 1.09 3.00 1.41 78.52 07:06:02 1 34.54 0.00 1.61 3.38 2.16 58.30 07:06:02 2 16.59 0.00 1.78 3.94 2.34 75.35 07:06:02 3 22.40 0.00 2.11 5.20 2.44 67.85 07:07:01 all 19.86 0.00 1.30 1.84 1.08 75.91 07:07:01 0 19.86 0.00 1.10 1.35 0.90 76.79 07:07:01 1 39.92 0.00 2.29 2.37 1.44 53.99 07:07:01 2 10.31 0.00 1.15 3.08 1.05 84.41 07:07:01 3 9.41 0.00 0.69 0.57 0.96 88.37 07:08:01 all 39.84 0.00 1.98 1.41 3.23 53.54 07:08:01 0 36.47 0.00 1.69 0.81 3.10 57.93 07:08:01 1 33.89 0.00 1.87 3.02 3.22 58.00 07:08:01 2 51.21 0.00 2.27 0.50 3.39 42.63 07:08:01 3 37.79 0.00 2.06 1.33 3.20 55.63 07:09:01 all 20.63 0.00 0.98 0.86 1.04 76.48 07:09:01 0 18.80 0.00 0.61 0.22 1.06 79.31 07:09:01 1 10.60 0.00 1.20 2.83 0.83 84.55 07:09:01 2 30.96 0.00 1.33 0.10 1.26 66.35 07:09:01 3 22.18 0.00 0.85 0.30 1.00 75.67 Average: all 25.70 0.00 1.48 2.00 1.87 68.94 Average: 0 22.79 0.00 1.12 1.35 1.62 73.12 Average: 1 29.70 0.00 1.74 2.90 1.92 63.75 Average: 2 27.35 0.00 1.64 1.90 2.02 67.10 Average: 3 23.00 0.00 1.43 1.86 1.91 71.80