---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7178 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 480 5091 0 2404 7210 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:95:ea:16 brd ff:ff:ff:ff:ff:ff inet 10.32.6.58/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86018sec preferred_lft 86018sec inet6 fe80::f816:3eff:fe95:ea16/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7178) 08/01/26 _x86_64_ (4 CPU) 03:47:49 LINUX RESTART (4 CPU) 03:48:01 tps rtps wtps bread/s bwrtn/s 03:49:01 121.69 54.10 67.59 3563.61 6402.15 03:50:01 58.61 12.38 46.23 249.56 8849.59 03:51:01 41.13 0.02 41.11 0.13 7846.29 03:52:02 10.86 0.00 10.86 0.00 3557.61 03:53:01 51.47 0.41 51.06 14.64 9073.85 03:54:01 19.23 0.70 18.53 77.85 1464.42 Average: 50.50 11.30 39.20 652.80 6190.91 03:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:49:01 5900688 7373680 2266732 27.75 39888 1610712 730008 7.92 638832 1459608 105356 03:50:01 5547184 7272952 2620236 32.08 58180 1828940 881952 9.57 744468 1675540 156528 03:51:01 5423132 7222428 2744288 33.60 60392 1898508 898596 9.75 795960 1743832 2156 03:52:02 5300380 7202740 2867040 35.10 62100 1997440 906604 9.84 816224 1841188 3116 03:53:01 5202964 7363308 2964456 36.30 66992 2245208 711640 7.72 675948 2068520 14812 03:54:01 5172588 7346816 2994832 36.67 69328 2256192 728064 7.90 700556 2073444 17584 Average: 5424489 7296987 2742931 33.58 59480 1972833 809477 8.78 728665 1810355 49925 03:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:49:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 03:49:01 ens3 458.55 238.07 1466.07 65.84 0.00 0.00 0.00 0.00 03:50:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 03:50:01 ens3 82.05 67.59 533.49 16.06 0.00 0.00 0.00 0.00 03:51:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:51:01 ens3 100.83 107.33 1160.04 15.66 0.00 0.00 0.00 0.00 03:52:02 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:52:02 ens3 376.07 316.93 1684.06 32.10 0.00 0.00 0.00 0.00 03:53:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:53:01 ens3 347.36 350.21 2489.58 58.95 0.00 0.00 0.00 0.00 03:54:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 03:54:01 ens3 12.35 13.03 10.92 6.00 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 229.22 181.73 1220.52 32.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7178) 08/01/26 _x86_64_ (4 CPU) 03:47:49 LINUX RESTART (4 CPU) 03:48:01 CPU %user %nice %system %iowait %steal %idle 03:49:01 all 24.78 0.00 1.89 3.13 1.03 69.17 03:49:01 0 21.58 0.00 1.53 1.40 0.87 74.62 03:49:01 1 34.09 0.00 1.80 1.05 1.03 62.03 03:49:01 2 9.59 0.00 1.48 4.80 1.12 83.01 03:49:01 3 33.88 0.00 2.77 5.26 1.05 57.03 03:50:01 all 23.57 0.00 1.35 1.37 0.80 72.91 03:50:01 0 18.96 0.00 1.57 1.21 0.74 77.51 03:50:01 1 8.12 0.00 0.47 0.37 0.40 90.65 03:50:01 2 62.14 0.00 2.70 0.35 1.75 33.06 03:50:01 3 5.14 0.00 0.67 3.58 0.30 90.31 03:51:01 all 10.37 0.00 0.62 0.88 0.44 87.69 03:51:01 0 15.76 0.00 0.58 2.89 0.62 80.15 03:51:01 1 8.06 0.00 0.62 0.08 0.35 90.89 03:51:01 2 13.22 0.00 1.01 0.18 0.62 84.97 03:51:01 3 4.44 0.00 0.28 0.33 0.18 94.76 03:52:02 all 6.66 0.00 0.70 0.04 0.35 92.25 03:52:02 0 7.13 0.00 0.23 0.00 0.33 92.30 03:52:02 1 8.37 0.00 0.95 0.13 0.27 90.28 03:52:02 2 5.61 0.00 0.90 0.00 0.62 92.86 03:52:02 3 5.51 0.00 0.70 0.02 0.17 93.61 03:53:01 all 17.69 0.00 1.46 0.74 0.72 79.40 03:53:01 0 31.81 0.00 1.12 1.29 0.93 64.85 03:53:01 1 14.40 0.00 1.52 1.26 0.54 82.27 03:53:01 2 13.62 0.00 1.71 0.41 0.86 83.40 03:53:01 3 10.94 0.00 1.48 0.03 0.53 87.03 03:54:01 all 21.01 0.00 1.08 0.57 0.60 76.74 03:54:01 0 12.53 0.00 1.28 0.37 0.35 85.47 03:54:01 1 23.92 0.00 1.10 0.03 0.49 74.45 03:54:01 2 9.45 0.00 0.77 1.68 0.68 87.41 03:54:01 3 38.14 0.00 1.17 0.18 0.87 59.64 Average: all 17.35 0.00 1.18 1.12 0.65 79.69 Average: 0 17.93 0.00 1.05 1.19 0.64 79.19 Average: 1 16.17 0.00 1.08 0.49 0.51 81.76 Average: 2 18.96 0.00 1.43 1.24 0.94 77.42 Average: 3 16.35 0.00 1.18 1.57 0.52 80.38