---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7403 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 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 470 5141 0 2363 7221 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:e8:ef:11 brd ff:ff:ff:ff:ff:ff inet 10.32.7.71/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85861sec preferred_lft 85861sec inet6 fe80::f816:3eff:fee8:ef11/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7403) 10/25/25 _x86_64_ (4 CPU) 20:23:03 LINUX RESTART (4 CPU) 20:24:01 tps rtps wtps bread/s bwrtn/s 20:25:01 50.06 2.25 47.81 43.86 6795.80 20:26:01 77.75 29.73 48.03 1637.73 10364.54 20:27:01 9.80 0.02 9.78 0.13 443.79 20:28:01 30.79 4.17 26.63 522.31 3559.67 20:29:01 10.55 6.30 4.25 208.50 298.88 20:30:01 3.40 0.20 3.20 3.20 46.65 20:31:01 42.71 4.23 38.48 183.04 7680.05 Average: 32.15 6.70 25.45 371.24 4169.82 20:24:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:25:01 5865904 7446244 2301508 28.18 51644 1699064 674356 7.32 559600 1558936 137220 20:26:01 5497844 7266068 2669568 32.69 58484 1872388 806636 8.75 753220 1717388 4652 20:27:01 5476452 7251608 2690960 32.95 60260 1876616 814616 8.84 770116 1720872 1696 20:28:01 4927144 6822036 3240268 39.67 63252 1990064 1218572 13.22 1212636 1817732 4920 20:29:01 4470604 6374260 3696808 45.26 63432 1997676 1652108 17.93 1680876 1801580 196 20:30:01 4912444 6817948 3254968 39.85 63800 1999172 1234984 13.40 1262880 1780368 1052 20:31:01 5278912 7403176 2888500 35.37 68724 2208424 694064 7.53 750156 1919704 23604 Average: 5204186 7054477 2963226 36.28 61371 1949058 1013619 11.00 998498 1759511 24763 20:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:25:01 ens3 54.89 40.61 703.40 5.60 0.00 0.00 0.00 0.00 20:25:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 20:26:01 ens3 117.00 100.48 1176.88 20.43 0.00 0.00 0.00 0.00 20:26:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 20:27:01 ens3 57.46 81.80 61.01 13.28 0.00 0.00 0.00 0.00 20:27:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 20:28:01 ens3 226.93 255.84 1587.14 38.79 0.00 0.00 0.00 0.00 20:28:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 20:29:01 ens3 7.58 7.78 19.17 1.86 0.00 0.00 0.00 0.00 20:29:01 lo 8.55 8.55 3.27 3.27 0.00 0.00 0.00 0.00 20:30:01 ens3 19.44 21.38 18.35 9.61 0.00 0.00 0.00 0.00 20:30:01 lo 21.01 21.01 4.64 4.64 0.00 0.00 0.00 0.00 20:31:01 ens3 189.47 210.73 1099.72 41.10 0.00 0.00 0.00 0.00 20:31:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 96.11 102.66 666.51 18.67 0.00 0.00 0.00 0.00 Average: lo 4.60 4.60 1.16 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7403) 10/25/25 _x86_64_ (4 CPU) 20:23:03 LINUX RESTART (4 CPU) 20:24:01 CPU %user %nice %system %iowait %steal %idle 20:25:01 all 18.58 0.00 1.13 2.90 2.35 75.04 20:25:01 0 7.95 0.00 0.33 0.15 1.39 90.18 20:25:01 1 17.26 0.00 1.08 1.06 1.66 78.95 20:25:01 2 1.58 0.00 0.59 9.24 2.00 86.59 20:25:01 3 47.35 0.00 2.52 1.13 4.32 44.68 20:26:01 all 16.40 0.00 1.02 1.95 4.03 76.60 20:26:01 0 17.24 0.00 1.28 2.12 3.96 75.41 20:26:01 1 16.52 0.00 1.13 3.25 3.91 75.19 20:26:01 2 21.77 0.00 0.81 1.63 4.04 71.75 20:26:01 3 10.11 0.00 0.83 0.85 4.22 83.99 20:27:01 all 4.35 0.00 0.24 0.05 2.23 93.13 20:27:01 0 8.74 0.00 0.10 0.00 1.98 89.18 20:27:01 1 1.42 0.00 0.08 0.03 1.48 96.99 20:27:01 2 6.35 0.00 0.70 0.15 3.11 89.69 20:27:01 3 0.87 0.00 0.13 0.00 2.34 96.66 20:28:01 all 19.41 0.00 0.94 0.45 4.93 74.25 20:28:01 0 18.57 0.00 1.01 0.11 4.89 75.41 20:28:01 1 20.94 0.00 0.79 0.26 4.24 73.77 20:28:01 2 21.67 0.00 0.77 0.75 5.04 71.77 20:28:01 3 16.51 0.00 1.14 0.69 5.56 76.11 20:29:01 all 21.90 0.00 0.76 0.45 5.10 71.79 20:29:01 0 15.99 0.00 1.01 0.49 5.42 77.10 20:29:01 1 22.99 0.00 0.65 0.26 4.93 71.17 20:29:01 2 25.07 0.00 0.61 0.44 5.07 68.81 20:29:01 3 23.60 0.00 0.77 0.61 5.00 70.02 20:30:01 all 4.82 0.00 0.49 0.05 2.65 91.99 20:30:01 0 4.65 0.00 0.52 0.00 2.78 92.04 20:30:01 1 6.16 0.00 0.36 0.20 2.46 90.82 20:30:01 2 4.17 0.00 0.64 0.02 2.78 92.39 20:30:01 3 4.29 0.00 0.43 0.00 2.60 92.69 20:31:01 all 24.61 0.00 1.24 1.13 5.28 67.75 20:31:01 0 14.96 0.00 1.15 1.23 6.01 76.65 20:31:01 1 24.05 0.00 1.42 2.05 4.86 67.61 20:31:01 2 39.46 0.00 1.50 0.96 5.66 52.42 20:31:01 3 20.02 0.00 0.87 0.25 4.56 74.30 Average: all 15.73 0.00 0.83 1.00 3.80 78.64 Average: 0 12.60 0.00 0.77 0.59 3.79 82.25 Average: 1 15.63 0.00 0.79 1.02 3.37 79.20 Average: 2 17.17 0.00 0.80 1.88 3.96 76.19 Average: 3 17.53 0.00 0.96 0.50 4.09 76.93