---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1906 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 461 5210 0 2304 7232 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:25:74:ac brd ff:ff:ff:ff:ff:ff inet 10.32.6.134/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86008sec preferred_lft 86008sec inet6 fe80::f816:3eff:fe25:74ac/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-1906) 08/02/25 _x86_64_ (4 CPU) 02:56:56 LINUX RESTART (4 CPU) 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:01 155.06 75.15 79.90 4418.33 39956.29 02:59:01 53.90 0.22 53.68 26.66 9100.17 03:00:01 46.33 12.36 33.96 243.83 6618.50 03:01:01 9.61 0.00 9.61 0.00 374.94 03:02:01 42.14 0.42 41.73 14.53 8600.30 03:03:01 26.68 0.70 25.98 77.85 4873.05 Average: 55.62 14.81 40.81 796.82 11586.83 02:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:01 6041252 7430220 2126168 26.03 36144 1533684 685784 7.44 571356 1394768 72268 02:59:01 5774036 7408108 2393384 29.30 55708 1743660 690784 7.50 595660 1604352 124008 03:00:01 5539148 7240192 2628272 32.18 58488 1805768 876824 9.51 782392 1649672 1856 03:01:01 5517044 7225284 2650376 32.45 60444 1810100 876824 9.51 798560 1653152 1432 03:02:01 5383060 7440392 2784360 34.09 65168 2146964 655388 7.11 599524 1971452 112644 03:03:01 5365956 7436660 2801464 34.30 67556 2157288 666924 7.24 610672 1976512 13348 Average: 5603416 7363476 2564004 31.39 57251 1866244 742088 8.05 659694 1708318 54259 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:01 ens3 342.69 169.76 1190.76 61.12 0.00 0.00 0.00 0.00 02:58:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 02:59:01 ens3 38.04 30.17 530.36 4.05 0.00 0.00 0.00 0.00 02:59:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:00:01 ens3 108.85 94.98 909.34 23.28 0.00 0.00 0.00 0.00 03:00:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 03:01:01 ens3 55.81 80.27 59.68 12.74 0.00 0.00 0.00 0.00 03:01:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:02:01 ens3 592.57 525.76 4054.67 72.25 0.00 0.00 0.00 0.00 03:02:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 03:03:01 ens3 11.38 12.08 9.10 5.93 0.00 0.00 0.00 0.00 03:03:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 191.55 152.17 1125.60 29.89 0.00 0.00 0.00 0.00 Average: lo 0.74 0.74 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1906) 08/02/25 _x86_64_ (4 CPU) 02:56:56 LINUX RESTART (4 CPU) 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:01 all 20.07 0.00 2.73 5.95 3.08 68.17 02:58:01 0 17.84 0.00 1.60 6.57 2.41 71.57 02:58:01 1 27.26 0.00 2.10 3.91 2.93 63.80 02:58:01 2 11.96 0.00 3.40 4.55 3.84 76.25 02:58:01 3 23.38 0.00 3.81 8.75 3.12 60.95 02:59:01 all 19.64 0.00 1.21 2.35 2.08 74.71 02:59:01 0 26.11 0.00 1.67 0.39 3.27 68.56 02:59:01 1 45.85 0.00 2.34 1.01 2.71 48.09 02:59:01 2 1.69 0.00 0.25 2.35 1.24 94.48 02:59:01 3 4.81 0.00 0.56 5.71 1.09 87.83 03:00:01 all 13.96 0.00 0.81 0.72 3.22 81.29 03:00:01 0 14.66 0.00 0.80 0.44 2.98 81.11 03:00:01 1 12.66 0.00 1.13 1.50 3.52 81.19 03:00:01 2 14.77 0.00 0.51 0.28 3.52 80.93 03:00:01 3 13.76 0.00 0.79 0.62 2.89 81.94 03:01:01 all 4.91 0.00 0.34 0.05 2.34 92.37 03:01:01 0 4.93 0.00 0.23 0.00 2.01 92.83 03:01:01 1 7.56 0.00 0.16 0.02 1.68 90.58 03:01:01 2 1.99 0.00 0.24 0.11 3.56 94.09 03:01:01 3 5.17 0.00 0.71 0.05 2.11 91.97 03:02:01 all 15.74 0.00 1.46 0.36 3.92 78.51 03:02:01 0 15.74 0.00 1.54 0.07 3.44 79.22 03:02:01 1 16.56 0.00 1.60 0.62 4.11 77.10 03:02:01 2 12.27 0.00 1.39 0.11 5.45 80.78 03:02:01 3 18.47 0.00 1.35 0.64 2.66 76.87 03:03:01 all 19.58 0.00 0.91 1.40 1.91 76.19 03:03:01 0 44.24 0.00 1.51 0.63 2.45 51.17 03:03:01 1 7.50 0.00 0.76 4.05 1.60 86.09 03:03:01 2 1.02 0.00 0.53 0.05 1.45 96.95 03:03:01 3 25.66 0.00 0.86 0.89 2.13 70.46 Average: all 15.64 0.00 1.24 1.80 2.76 78.55 Average: 0 20.57 0.00 1.22 1.34 2.76 74.10 Average: 1 19.54 0.00 1.35 1.85 2.76 74.50 Average: 2 7.31 0.00 1.06 1.24 3.19 87.20 Average: 3 15.21 0.00 1.35 2.78 2.33 78.32