---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2370 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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: 2799.974 BogoMIPS: 5599.94 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 9.0G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 561 12602 0 2876 15149 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:8c:80:3d brd ff:ff:ff:ff:ff:ff inet 10.30.106.250/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86089sec preferred_lft 86089sec inet6 fe80::f816:3eff:fe8c:803d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2370) 06/25/26 _x86_64_ (4 CPU) 03:04:21 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 114.96 11.23 103.73 307.55 22310.81 03:07:01 108.35 4.53 103.82 129.31 15081.09 03:08:01 10.90 5.22 5.68 403.13 656.02 03:09:01 56.79 6.22 50.57 162.91 19990.13 Average: 72.75 6.80 65.95 250.72 14509.52 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13798132 15604864 2626836 15.99 71936 1925644 710904 4.07 619020 1774464 247828 03:07:01 12976196 14978780 3448772 21.00 85672 2098296 1328224 7.60 1270900 1922864 7488 03:08:01 12066596 14098556 4358372 26.54 86932 2125204 2182068 12.49 2176732 1920984 9664 03:09:01 12915996 15523084 3508972 21.36 92628 2686152 776276 4.44 969540 2266716 26864 Average: 12939230 15051321 3485738 21.22 84292 2208824 1249368 7.15 1259048 1971257 72961 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 159.67 106.53 1682.75 19.92 0.00 0.00 0.00 0.00 03:06:01 lo 1.07 1.07 0.12 0.12 0.00 0.00 0.00 0.00 03:07:01 ens3 337.21 285.80 2577.87 67.58 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 1819.70 1074.95 468.43 452.90 0.00 0.00 0.00 0.00 03:08:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:09:01 ens3 352.22 292.45 761.76 1808.99 0.00 0.00 0.00 0.00 03:09:01 lo 3.08 3.08 0.28 0.28 0.00 0.00 0.00 0.00 Average: ens3 667.20 439.94 1372.70 587.35 0.00 0.00 0.00 0.00 Average: lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2370) 06/25/26 _x86_64_ (4 CPU) 03:04:21 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 15.76 0.00 1.26 1.72 0.05 81.21 03:06:01 0 27.09 0.00 1.80 1.72 0.05 69.34 03:06:01 1 20.98 0.00 1.52 0.65 0.05 76.80 03:06:01 2 3.61 0.00 0.72 4.28 0.03 91.36 03:06:01 3 11.31 0.00 1.00 0.25 0.05 87.38 03:07:01 all 28.40 0.00 1.62 0.27 0.09 69.62 03:07:01 0 32.08 0.00 1.60 0.70 0.08 65.53 03:07:01 1 31.47 0.00 2.31 0.10 0.10 66.01 03:07:01 2 27.56 0.00 1.29 0.25 0.10 70.80 03:07:01 3 22.46 0.00 1.31 0.02 0.08 76.13 03:08:01 all 34.39 0.00 5.25 0.08 0.07 60.22 03:08:01 0 32.92 0.00 5.78 0.12 0.07 61.12 03:08:01 1 39.80 0.00 6.23 0.02 0.07 53.89 03:08:01 2 38.68 0.00 4.86 0.13 0.07 56.26 03:08:01 3 26.13 0.00 4.10 0.05 0.07 69.65 03:09:01 all 36.87 0.00 2.19 0.53 0.08 60.34 03:09:01 0 36.45 0.00 1.12 0.05 0.08 62.29 03:09:01 1 49.03 0.00 2.22 0.10 0.10 48.54 03:09:01 2 29.94 0.00 2.67 1.70 0.07 65.63 03:09:01 3 32.09 0.00 2.76 0.28 0.07 64.80 Average: all 28.85 0.00 2.58 0.65 0.07 67.85 Average: 0 32.13 0.00 2.58 0.65 0.07 64.57 Average: 1 35.31 0.00 3.07 0.22 0.08 61.32 Average: 2 24.95 0.00 2.38 1.59 0.07 71.01 Average: 3 23.01 0.00 2.29 0.15 0.07 74.48