---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1442 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: 2799.998 BogoMIPS: 5599.99 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 8.0G 12G 42% / 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 472 4917 0 2586 7218 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:6e:74:20 brd ff:ff:ff:ff:ff:ff inet 10.32.6.172/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86025sec preferred_lft 86025sec inet6 fe80::f816:3eff:fe6e:7420/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1442) 04/25/26 _x86_64_ (4 CPU) 22:38:00 LINUX RESTART (4 CPU) 22:39:01 tps rtps wtps bread/s bwrtn/s 22:40:01 58.58 5.58 53.00 171.94 9357.41 22:41:01 62.26 24.35 37.91 1484.15 13848.89 22:42:01 9.65 0.00 9.65 0.00 378.74 22:43:01 50.59 2.15 48.44 115.14 8977.91 22:44:01 21.61 0.68 20.93 77.72 4704.55 Average: 40.54 6.55 33.99 369.77 7453.67 22:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 5815300 7465676 2352120 28.80 55420 1760052 618644 6.71 543944 1617800 129176 22:41:01 5314688 7292288 2852732 34.93 58420 2079316 791140 8.58 747676 1904108 1636 22:42:01 5303956 7289104 2863464 35.06 60432 2083912 791140 8.58 752560 1907772 1552 22:43:01 5037732 7378832 3129688 38.32 65368 2427268 705820 7.66 679756 2231808 105760 22:44:01 5012436 7365984 3154984 38.63 67968 2436920 711536 7.72 700000 2235996 12072 Average: 5296822 7358377 2870598 35.15 61522 2157494 723656 7.85 684787 1979497 50039 22:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:01 ens3 76.12 60.31 806.09 12.47 0.00 0.00 0.00 0.00 22:40:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 22:41:01 ens3 214.15 163.26 4617.26 19.80 0.00 0.00 0.00 0.00 22:41:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 22:42:01 ens3 59.47 85.37 64.92 13.80 0.00 0.00 0.00 0.00 22:42:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 22:43:01 ens3 617.86 557.20 4094.71 76.28 0.00 0.00 0.00 0.00 22:43:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 22:44:01 ens3 12.83 13.76 10.43 6.38 0.00 0.00 0.00 0.00 22:44:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 196.11 176.00 1918.79 25.75 0.00 0.00 0.00 0.00 Average: lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1442) 04/25/26 _x86_64_ (4 CPU) 22:38:00 LINUX RESTART (4 CPU) 22:39:01 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 21.11 0.00 1.42 1.84 1.17 74.46 22:40:01 0 34.86 0.00 2.16 4.84 1.61 56.52 22:40:01 1 21.64 0.00 1.41 0.25 1.00 75.70 22:40:01 2 13.23 0.00 1.01 2.19 1.15 82.42 22:40:01 3 14.73 0.00 1.05 0.07 0.92 83.24 22:41:01 all 14.06 0.00 0.95 1.05 1.75 82.18 22:41:01 0 13.47 0.00 1.94 2.23 1.76 80.60 22:41:01 1 9.06 0.00 0.76 0.18 1.34 88.65 22:41:01 2 9.39 0.00 0.83 1.36 2.25 86.18 22:41:01 3 24.35 0.00 0.30 0.47 1.61 73.28 22:42:01 all 3.85 0.00 0.26 0.03 0.63 95.23 22:42:01 0 5.14 0.00 0.30 0.12 0.83 93.62 22:42:01 1 7.12 0.00 0.43 0.00 0.68 91.76 22:42:01 2 1.30 0.00 0.10 0.00 0.62 97.98 22:42:01 3 1.86 0.00 0.22 0.00 0.42 97.51 22:43:01 all 17.48 0.00 1.62 0.73 1.68 78.48 22:43:01 0 10.26 0.00 1.81 1.41 1.24 85.28 22:43:01 1 24.76 0.00 1.20 1.06 1.81 71.17 22:43:01 2 20.42 0.00 1.80 0.07 2.14 75.57 22:43:01 3 14.52 0.00 1.73 0.37 1.51 81.87 22:44:01 all 20.52 0.00 0.89 0.71 1.12 76.76 22:44:01 0 18.68 0.00 0.83 0.12 1.24 79.13 22:44:01 1 19.38 0.00 1.18 2.12 0.95 76.37 22:44:01 2 42.99 0.00 1.25 0.23 1.89 53.64 22:44:01 3 1.02 0.00 0.25 0.38 0.38 97.97 Average: all 15.41 0.00 1.03 0.87 1.27 81.42 Average: 0 16.48 0.00 1.41 1.74 1.34 79.04 Average: 1 16.39 0.00 1.00 0.72 1.16 80.73 Average: 2 17.47 0.00 1.00 0.77 1.61 79.15 Average: 3 11.30 0.00 0.71 0.26 0.97 86.77