---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-813 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.8G 12G 41% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 412 1182 0 2349 3264 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:11:fe:64 brd ff:ff:ff:ff:ff:ff inet 10.32.7.171/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85988sec preferred_lft 85988sec inet6 fe80::f816:3eff:fe11:fe64/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-813) 07/19/25 _x86_64_ (4 CPU) 15:07:56 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 161.10 77.97 83.12 4600.73 39962.30 15:10:01 55.31 0.22 55.09 27.11 9308.25 15:11:01 64.04 29.68 34.36 1628.93 6652.89 15:12:01 7.72 0.00 7.72 0.00 279.29 15:13:01 26.57 0.98 25.59 60.24 7161.75 15:14:01 40.00 1.78 38.22 129.96 5644.52 Average: 59.13 18.49 40.64 1077.43 11507.99 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 1948396 3351640 2090248 51.76 36080 1531476 623720 12.26 541552 1392660 72560 15:10:01 1782840 3430456 2255804 55.86 55692 1740472 524516 10.31 466204 1601460 123380 15:11:01 1484548 3241328 2554096 63.24 58716 1844660 723232 14.22 670672 1691112 1364 15:12:01 1465756 3227884 2572888 63.71 60096 1847968 732308 14.40 684604 1693804 1036 15:13:01 1192956 3170128 2845688 70.46 62680 2055604 781088 15.35 745616 1896044 5096 15:14:01 1166468 3295376 2872176 71.12 66844 2199932 650300 12.78 657908 2004424 25564 Average: 1506827 3286135 2531817 62.69 56685 1870019 672527 13.22 627759 1713251 38167 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 15:09:02 ens3 403.18 230.14 1209.91 67.07 0.00 0.00 0.00 0.00 15:10:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 15:10:01 ens3 37.38 31.06 531.66 4.14 0.00 0.00 0.00 0.00 15:11:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 15:11:01 ens3 124.70 106.07 917.41 22.02 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 42.36 58.56 47.59 9.63 0.00 0.00 0.00 0.00 15:13:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 500.08 372.70 3438.97 45.01 0.00 0.00 0.00 0.00 15:14:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:14:01 ens3 135.45 152.42 675.59 34.26 0.00 0.00 0.00 0.00 Average: lo 0.69 0.69 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 207.69 158.86 1138.66 30.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-813) 07/19/25 _x86_64_ (4 CPU) 15:07:56 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 21.46 0.00 2.92 5.73 1.74 68.15 15:09:02 0 20.75 0.00 2.04 10.59 1.25 65.37 15:09:02 1 32.77 0.00 2.18 2.36 1.90 60.79 15:09:02 2 12.05 0.00 5.40 5.91 2.43 74.21 15:09:02 3 20.33 0.00 2.03 4.06 1.38 72.21 15:10:01 all 20.34 0.00 1.26 1.82 0.92 75.66 15:10:01 0 8.14 0.00 0.76 5.99 0.42 84.68 15:10:01 1 56.74 0.00 2.98 0.36 1.61 38.31 15:10:01 2 10.93 0.00 0.94 0.93 1.45 85.76 15:10:01 3 5.66 0.00 0.32 0.02 0.20 93.80 15:11:01 all 13.98 0.00 0.78 1.26 1.36 82.62 15:11:01 0 10.69 0.00 0.86 0.62 1.08 86.75 15:11:01 1 16.02 0.00 0.50 1.05 1.18 81.24 15:11:01 2 13.78 0.00 1.36 3.01 2.03 79.83 15:11:01 3 15.45 0.00 0.40 0.35 1.18 82.62 15:12:01 all 3.82 0.00 0.31 0.04 1.34 94.48 15:12:01 0 3.18 0.00 0.07 0.00 1.01 95.74 15:12:01 1 4.20 0.00 0.08 0.08 1.06 94.57 15:12:01 2 6.48 0.00 0.89 0.03 2.11 90.48 15:12:01 3 1.42 0.00 0.21 0.03 1.17 97.16 15:13:01 all 10.18 0.00 0.98 0.16 2.91 85.77 15:13:01 0 9.21 0.00 0.53 0.05 1.64 88.57 15:13:01 1 9.29 0.00 0.76 0.21 2.28 87.45 15:13:01 2 12.50 0.00 1.42 0.20 4.73 81.16 15:13:01 3 9.71 0.00 1.20 0.18 2.96 85.95 15:14:01 all 20.00 0.00 1.14 1.30 2.85 74.70 15:14:01 0 25.00 0.00 0.69 0.25 2.63 71.43 15:14:01 1 8.70 0.00 0.85 0.48 2.87 87.10 15:14:01 2 34.57 0.00 1.59 4.41 4.07 55.36 15:14:01 3 11.64 0.00 1.41 0.02 1.85 85.08 Average: all 14.95 0.00 1.23 1.71 1.86 80.25 Average: 0 12.86 0.00 0.82 2.90 1.35 82.07 Average: 1 21.12 0.00 1.22 0.76 1.82 75.09 Average: 2 15.09 0.00 1.94 2.42 2.81 77.74 Average: 3 10.70 0.00 0.93 0.78 1.47 86.13