---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1362 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: 2799.998 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.9G 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 612 12685 0 2742 15101 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:64:94:21 brd ff:ff:ff:ff:ff:ff inet 10.30.107.217/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86101sec preferred_lft 86101sec inet6 fe80::f816:3eff:fe64:9421/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1362) 12/26/25 _x86_64_ (4 CPU) 03:05:10 LINUX RESTART (4 CPU) 03:06:01 tps rtps wtps bread/s bwrtn/s 03:07:01 139.88 11.50 128.38 299.15 42557.84 03:08:01 67.69 3.93 63.76 110.65 7954.41 03:09:01 18.36 5.88 12.48 423.26 1383.90 03:10:01 55.97 1.83 54.14 85.72 19953.07 Average: 70.48 5.79 64.69 229.70 17962.31 03:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:07:01 13698448 15390444 2726520 16.60 76104 1808220 1138448 6.52 848888 1647160 47024 03:08:01 12733104 14608220 3691864 22.48 84556 1975516 1653884 9.47 1646628 1798308 544 03:09:01 11850416 13840776 4574552 27.85 87456 2083968 2429456 13.90 2479292 1836708 66452 03:10:01 12952224 15425368 3472744 21.14 92244 2556036 883248 5.05 1071268 2136632 11336 Average: 12808548 14816202 3616420 22.02 85090 2105935 1526259 8.73 1511519 1854702 31339 03:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:07:01 lo 0.67 0.67 0.08 0.08 0.00 0.00 0.00 0.00 03:07:01 ens3 143.34 132.59 649.52 39.26 0.00 0.00 0.00 0.00 03:08:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:08:01 ens3 291.95 223.63 2465.95 48.57 0.00 0.00 0.00 0.00 03:09:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:09:01 ens3 862.31 533.58 640.66 285.79 0.00 0.00 0.00 0.00 03:10:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 03:10:01 ens3 131.28 94.25 312.84 33.73 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 357.22 246.01 1017.24 101.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1362) 12/26/25 _x86_64_ (4 CPU) 03:05:10 LINUX RESTART (4 CPU) 03:06:01 CPU %user %nice %system %iowait %steal %idle 03:07:01 all 15.35 0.00 1.31 2.89 0.08 80.37 03:07:01 0 12.29 0.00 1.35 2.91 0.07 83.38 03:07:01 1 12.28 0.00 0.90 0.48 0.05 86.28 03:07:01 2 7.51 0.00 1.34 7.53 0.08 83.53 03:07:01 3 29.28 0.00 1.64 0.70 0.08 68.30 03:08:01 all 35.21 0.00 1.48 0.41 0.10 62.81 03:08:01 0 21.77 0.00 1.00 0.53 0.08 76.61 03:08:01 1 28.21 0.00 2.21 0.54 0.10 68.95 03:08:01 2 23.14 0.00 1.40 0.30 0.10 75.06 03:08:01 3 67.72 0.00 1.29 0.23 0.12 30.64 03:09:01 all 41.02 0.00 5.93 0.07 0.09 52.88 03:09:01 0 39.27 0.00 4.11 0.18 0.08 56.36 03:09:01 1 43.96 0.00 1.76 0.07 0.10 54.11 03:09:01 2 38.35 0.00 9.60 0.02 0.08 51.95 03:09:01 3 42.49 0.00 8.29 0.02 0.08 49.11 03:10:01 all 24.76 0.00 1.89 1.96 0.06 71.32 03:10:01 0 7.17 0.00 1.25 5.66 0.03 85.88 03:10:01 1 43.92 0.00 2.22 1.94 0.08 51.84 03:10:01 2 29.97 0.00 2.13 0.23 0.10 67.57 03:10:01 3 18.01 0.00 1.95 0.02 0.05 79.97 Average: all 29.08 0.00 2.65 1.33 0.08 66.85 Average: 0 20.12 0.00 1.93 2.32 0.07 75.56 Average: 1 32.08 0.00 1.77 0.76 0.08 65.31 Average: 2 24.75 0.00 3.62 2.01 0.09 69.52 Average: 3 39.36 0.00 3.29 0.24 0.08 57.03