---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-16412 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 11G 68G 14% / 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 606 11062 0 4371 15105 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:dd:c1:8c brd ff:ff:ff:ff:ff:ff inet 10.30.106.86/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85625sec preferred_lft 85625sec inet6 fe80::f816:3eff:fedd:c18c/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-16412) 11/29/25 _x86_64_ (4 CPU) 21:43:42 LINUX RESTART (4 CPU) 21:44:01 tps rtps wtps bread/s bwrtn/s 21:45:01 334.76 42.24 292.52 2153.15 58910.90 21:46:01 128.81 16.00 112.81 893.18 14099.12 21:47:01 28.45 0.00 28.45 0.00 759.74 21:48:01 31.16 0.00 31.16 0.00 758.81 21:49:01 36.26 0.00 36.26 0.00 958.11 21:50:01 23.66 0.00 23.66 0.00 615.50 21:51:01 23.76 0.00 23.76 0.00 587.50 21:52:01 52.27 0.00 52.27 0.00 1120.75 21:53:01 39.89 3.18 36.71 118.51 1111.95 21:54:01 69.61 3.18 66.42 127.58 24598.17 21:55:01 159.81 5.41 154.40 144.09 22052.78 21:56:01 271.93 3.42 268.51 215.39 20710.56 Average: 100.04 6.12 93.92 304.35 12191.23 21:44:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:45:01 13721176 15481912 2703792 16.46 69348 1885204 1114992 6.38 744992 1731900 244532 21:46:01 12037352 13971300 4387616 26.71 75848 2045820 2070576 11.85 2326448 1818156 824 21:47:01 11921560 13872968 4503408 27.42 76164 2062364 2116544 12.11 2424452 1834632 264 21:48:01 11880704 13850536 4544264 27.67 76636 2079188 2116544 12.11 2446860 1851448 504 21:49:01 11856524 13848956 4568444 27.81 77124 2100072 2116544 12.11 2448116 1872336 184 21:50:01 11851568 13858128 4573400 27.84 77472 2113044 2095780 11.99 2437860 1885300 208 21:51:01 11836904 13857084 4588064 27.93 77916 2125272 2095780 11.99 2438476 1897556 180 21:52:01 11805248 13854240 4619720 28.13 79264 2149772 2095780 11.99 2440508 1922028 1240 21:53:01 11961532 14255908 4463436 27.17 80808 2388136 1692836 9.69 2071992 2123080 213092 21:54:01 10539484 13795636 5885484 35.83 95360 3246584 2088028 11.95 2772448 2747224 363692 21:55:01 10405760 13965608 6019208 36.65 99984 3531772 1868816 10.70 2948212 2689156 6644 21:56:01 11264196 15399464 5160772 31.42 103516 4085256 937128 5.36 1776496 2988300 36160 Average: 11756834 14167645 4668134 28.42 82453 2484374 1867446 10.69 2273072 2113426 72294 21:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:45:01 ens3 102.03 70.63 1302.01 28.34 0.00 0.00 0.00 0.00 21:45:01 lo 1.33 1.33 0.16 0.16 0.00 0.00 0.00 0.00 21:46:01 ens3 259.52 201.83 2062.70 35.73 0.00 0.00 0.00 0.00 21:46:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 21:47:01 ens3 6.08 3.23 6.17 0.80 0.00 0.00 0.00 0.00 21:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:48:01 ens3 0.35 0.27 0.07 0.27 0.00 0.00 0.00 0.00 21:48:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 21:49:01 ens3 0.35 0.23 0.14 0.28 0.00 0.00 0.00 0.00 21:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:01 ens3 0.23 0.15 0.07 0.01 0.00 0.00 0.00 0.00 21:50:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 21:51:01 ens3 0.18 0.23 0.06 0.41 0.00 0.00 0.00 0.00 21:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:52:01 ens3 0.42 0.23 0.08 0.23 0.00 0.00 0.00 0.00 21:52:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 21:53:01 ens3 160.22 104.57 163.33 36.85 0.00 0.00 0.00 0.00 21:53:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 21:54:01 ens3 44.01 22.00 10.50 8.09 0.00 0.00 0.00 0.00 21:54:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 21:55:01 ens3 304.08 240.42 1105.13 69.92 0.00 0.00 0.00 0.00 21:55:01 lo 1.42 1.42 13.54 13.54 0.00 0.00 0.00 0.00 21:56:01 ens3 884.54 661.98 3197.49 217.06 0.00 0.00 0.00 0.00 21:56:01 lo 0.67 0.67 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 146.85 108.82 654.03 33.17 0.00 0.00 0.00 0.00 Average: lo 0.38 0.38 1.15 1.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-16412) 11/29/25 _x86_64_ (4 CPU) 21:43:42 LINUX RESTART (4 CPU) 21:44:01 CPU %user %nice %system %iowait %steal %idle 21:45:01 all 20.93 0.00 1.73 4.37 0.05 72.91 21:45:01 0 19.63 0.00 1.77 4.40 0.08 74.11 21:45:01 1 14.17 0.00 1.57 7.19 0.05 77.02 21:45:01 2 40.56 0.00 2.68 5.24 0.07 51.46 21:45:01 3 9.42 0.00 0.90 0.68 0.03 88.97 21:46:01 all 50.29 0.00 1.24 0.56 0.08 47.83 21:46:01 0 38.43 0.00 0.88 0.32 0.07 60.30 21:46:01 1 52.00 0.00 1.42 1.47 0.08 45.02 21:46:01 2 57.62 0.00 1.66 0.42 0.10 40.20 21:46:01 3 53.13 0.00 0.97 0.05 0.08 45.77 21:47:01 all 36.36 0.00 0.13 0.00 0.05 63.45 21:47:01 0 32.57 0.00 0.08 0.02 0.07 67.26 21:47:01 1 85.11 0.00 0.18 0.00 0.07 14.64 21:47:01 2 17.93 0.00 0.20 0.00 0.03 81.83 21:47:01 3 10.14 0.00 0.08 0.00 0.03 89.75 21:48:01 all 30.91 0.00 0.07 0.02 0.05 68.96 21:48:01 0 17.01 0.00 0.07 0.05 0.05 82.83 21:48:01 1 79.18 0.00 0.12 0.00 0.08 20.62 21:48:01 2 21.67 0.00 0.05 0.00 0.03 78.24 21:48:01 3 6.13 0.00 0.05 0.00 0.05 93.77 21:49:01 all 28.11 0.00 0.09 0.01 0.05 71.74 21:49:01 0 4.12 0.00 0.07 0.05 0.02 95.75 21:49:01 1 96.57 0.00 0.20 0.00 0.07 3.17 21:49:01 2 7.54 0.00 0.05 0.00 0.02 92.39 21:49:01 3 4.19 0.00 0.05 0.00 0.05 95.71 21:50:01 all 26.49 0.00 0.05 0.01 0.03 73.42 21:50:01 0 0.63 0.00 0.05 0.03 0.03 99.25 21:50:01 1 99.60 0.00 0.08 0.00 0.05 0.27 21:50:01 2 5.17 0.00 0.08 0.00 0.02 94.73 21:50:01 3 0.42 0.00 0.00 0.02 0.03 99.53 21:51:01 all 26.09 0.00 0.06 0.01 0.03 73.81 21:51:01 0 0.72 0.00 0.02 0.05 0.03 99.18 21:51:01 1 99.55 0.00 0.13 0.00 0.05 0.27 21:51:01 2 3.68 0.00 0.03 0.02 0.02 96.25 21:51:01 3 0.23 0.00 0.05 0.00 0.03 99.68 21:52:01 all 26.83 0.00 0.11 0.02 0.04 73.00 21:52:01 0 0.82 0.00 0.05 0.05 0.02 99.07 21:52:01 1 97.00 0.00 0.30 0.00 0.08 2.62 21:52:01 2 5.64 0.00 0.07 0.00 0.02 94.28 21:52:01 3 4.04 0.00 0.03 0.00 0.03 95.89 21:53:01 all 48.21 0.00 0.69 0.04 0.07 50.99 21:53:01 0 42.96 0.00 0.47 0.05 0.07 56.46 21:53:01 1 80.56 0.00 0.62 0.02 0.08 18.72 21:53:01 2 39.48 0.00 0.95 0.02 0.07 59.49 21:53:01 3 30.06 0.00 0.69 0.05 0.07 69.13 21:54:01 all 59.77 0.00 2.04 0.66 0.08 37.45 21:54:01 0 65.60 0.00 2.94 0.17 0.05 31.24 21:54:01 1 76.11 0.00 3.81 0.02 0.07 20.00 21:54:01 2 51.58 0.00 0.55 0.00 0.10 47.77 21:54:01 3 45.89 0.00 0.86 2.47 0.08 50.70 21:55:01 all 61.47 0.00 2.20 0.64 0.10 35.60 21:55:01 0 65.43 0.00 1.47 0.02 0.10 32.98 21:55:01 1 68.85 0.00 2.66 0.30 0.10 28.09 21:55:01 2 59.19 0.00 1.62 0.82 0.10 38.27 21:55:01 3 52.33 0.00 3.09 1.42 0.10 43.05 21:55:01 CPU %user %nice %system %iowait %steal %idle 21:56:01 all 51.18 0.00 2.81 1.07 0.08 44.87 21:56:01 0 52.51 0.00 3.50 1.51 0.07 42.41 21:56:01 1 49.30 0.00 2.51 0.47 0.07 47.64 21:56:01 2 63.61 0.00 2.74 1.64 0.07 31.95 21:56:01 3 39.34 0.00 2.48 0.65 0.08 57.45 Average: all 38.88 0.00 0.93 0.62 0.06 59.51 Average: 0 28.36 0.00 0.95 0.56 0.05 70.08 Average: 1 74.87 0.00 1.13 0.79 0.07 23.14 Average: 2 31.11 0.00 0.89 0.68 0.05 67.27 Average: 3 21.25 0.00 0.77 0.44 0.06 77.48