---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-16723 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 60G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 708 12011 4 3268 14937 Swap: 1023 29 994 ---> 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:f7:c7:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79736sec preferred_lft 79736sec inet6 fe80::f816:3eff:fef7:c727/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:8a:af:43:f1:6a brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::248a:afff:fe43:f16a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-16723) 05/19/26 _x86_64_ (4 CPU) 07:48:38 LINUX RESTART (4 CPU) 07:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:20 119.32 9.02 104.45 5.86 1005.43 36767.01 11308.20 08:10:24 81.95 32.96 31.85 17.14 537.62 1701.54 210801.70 08:20:13 8.55 0.38 7.76 0.41 16.57 230.08 7989.71 08:30:00 7.24 0.04 6.86 0.34 0.91 202.97 785.43 08:40:00 21.81 0.25 20.60 0.96 5.17 865.09 1320.54 08:50:19 7.90 0.03 7.51 0.36 0.96 261.36 124.06 09:00:02 5.09 0.15 4.77 0.17 2.72 142.23 73.47 09:10:02 7.79 0.02 7.40 0.37 1.64 254.70 124.98 09:20:03 5.36 0.03 5.14 0.18 0.81 162.37 80.30 09:30:04 9.48 0.02 9.06 0.40 0.81 609.48 328.88 Average: 27.84 4.34 20.85 2.65 160.59 4228.99 23468.34 07:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:20 2367556 6925796 9000760 54.97 260684 4179548 10379184 59.58 2073780 11230360 2236 08:10:24 2790596 4793608 11144928 68.07 265052 1841220 11780288 67.62 1448348 11676520 728 08:20:13 13293044 15324460 621232 3.79 266428 1868288 1377924 7.91 1465076 1179248 5524 08:30:00 7615344 9659308 6283280 38.38 267780 1879504 7376092 42.34 1468632 6837248 536 08:40:00 11950196 14163400 1782472 10.89 273836 2040724 2799952 16.07 1523092 2476600 12276 08:50:19 9186844 11429604 4514460 27.57 275100 2068952 5279536 30.30 1525736 5202308 216 09:00:02 9099492 11362288 4581624 27.98 275812 2088268 5265496 30.22 1527728 5309304 536 09:10:02 7941060 10244092 5699228 34.81 276988 2127328 6549380 37.59 1533508 6454280 316 09:20:03 9223996 11551760 4392384 26.83 277772 2151276 5177456 29.72 1536208 5180356 244 09:30:04 8899484 11357316 4586680 28.01 281648 2272064 5196400 29.83 1551104 5467276 548 Average: 8236761 10681163 5260705 32.13 272110 2251717 6118171 35.12 1565321 6101350 2316 07:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:20 lo 7.54 7.54 7.54 7.54 0.00 0.00 0.00 0.00 08:00:20 ens3 129.45 98.23 1850.44 11.81 0.00 0.00 0.00 0.00 08:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:24 lo 46.88 46.88 26.13 26.13 0.00 0.00 0.00 0.00 08:10:24 ens3 2.44 2.00 0.67 0.55 0.00 0.00 0.00 0.00 08:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:13 lo 28.38 28.38 10.56 10.56 0.00 0.00 0.00 0.00 08:20:13 ens3 1.15 0.75 0.28 0.21 0.00 0.00 0.00 0.00 08:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 12.03 12.03 7.00 7.00 0.00 0.00 0.00 0.00 08:30:00 ens3 0.56 0.35 0.10 0.06 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 12.49 12.49 6.33 6.33 0.00 0.00 0.00 0.00 08:40:00 ens3 1.27 1.01 0.36 0.29 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:19 lo 19.87 19.87 10.44 10.44 0.00 0.00 0.00 0.00 08:50:19 ens3 0.71 0.59 0.15 0.12 0.00 0.00 0.00 0.00 08:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:02 lo 28.88 28.88 10.12 10.12 0.00 0.00 0.00 0.00 09:00:02 ens3 0.56 0.42 0.14 0.10 0.00 0.00 0.00 0.00 09:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 lo 19.03 19.03 10.84 10.84 0.00 0.00 0.00 0.00 09:10:02 ens3 0.70 0.59 0.14 0.11 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:03 lo 17.92 17.92 10.11 10.11 0.00 0.00 0.00 0.00 09:20:03 ens3 0.73 0.52 0.19 0.14 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:04 lo 21.36 21.36 10.30 10.30 0.00 0.00 0.00 0.00 09:30:04 ens3 1.05 0.87 0.29 0.23 0.00 0.00 0.00 0.00 09:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.40 21.40 10.95 10.95 0.00 0.00 0.00 0.00 Average: ens3 14.24 10.82 190.73 1.40 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-16723) 05/19/26 _x86_64_ (4 CPU) 07:48:38 LINUX RESTART (4 CPU) 07:50:02 CPU %user %nice %system %iowait %steal %idle 08:00:20 all 53.41 0.00 2.66 0.41 0.09 43.43 08:00:20 0 52.22 0.00 2.58 0.27 0.09 44.84 08:00:20 1 53.10 0.00 2.80 0.77 0.09 43.25 08:00:20 2 53.98 0.00 2.49 0.36 0.09 43.08 08:00:20 3 54.33 0.00 2.75 0.26 0.09 42.58 08:10:24 all 55.58 0.00 1.98 0.19 0.11 42.14 08:10:24 0 55.54 0.00 2.02 0.15 0.11 42.19 08:10:24 1 55.55 0.00 2.07 0.14 0.11 42.13 08:10:24 2 54.95 0.00 1.93 0.28 0.11 42.72 08:10:24 3 56.28 0.00 1.91 0.18 0.11 41.52 08:20:13 all 13.97 0.00 0.80 0.03 0.10 85.09 08:20:13 0 14.11 0.00 0.78 0.01 0.10 85.00 08:20:13 1 14.11 0.00 0.84 0.03 0.11 84.91 08:20:13 2 14.01 0.00 0.84 0.04 0.10 85.01 08:20:13 3 13.66 0.00 0.73 0.06 0.10 85.46 08:30:00 all 16.10 0.00 0.63 0.03 0.10 83.14 08:30:00 0 16.48 0.00 0.68 0.02 0.10 82.72 08:30:00 1 16.11 0.00 0.61 0.02 0.10 83.16 08:30:00 2 15.97 0.00 0.69 0.06 0.10 83.18 08:30:00 3 15.83 0.00 0.54 0.01 0.11 83.51 08:40:00 all 30.07 0.00 1.04 0.07 0.09 68.73 08:40:00 0 28.80 0.00 0.96 0.07 0.09 70.08 08:40:00 1 29.62 0.00 0.94 0.11 0.09 69.24 08:40:00 2 31.82 0.00 1.18 0.06 0.09 66.85 08:40:00 3 30.04 0.00 1.09 0.05 0.09 68.74 08:50:19 all 14.83 0.00 0.58 0.04 0.10 84.46 08:50:19 0 15.06 0.00 0.62 0.03 0.09 84.20 08:50:19 1 15.24 0.00 0.52 0.02 0.10 84.13 08:50:19 2 15.07 0.00 0.54 0.02 0.10 84.26 08:50:19 3 13.95 0.00 0.62 0.08 0.09 85.26 09:00:02 all 8.50 0.00 0.43 0.02 0.09 90.95 09:00:02 0 8.53 0.00 0.36 0.00 0.08 91.02 09:00:02 1 8.67 0.00 0.45 0.01 0.10 90.78 09:00:02 2 8.16 0.00 0.49 0.04 0.10 91.21 09:00:02 3 8.65 0.00 0.40 0.04 0.09 90.81 09:10:02 all 15.94 0.00 0.55 0.03 0.09 83.38 09:10:02 0 16.13 0.00 0.59 0.05 0.09 83.13 09:10:02 1 15.76 0.00 0.58 0.03 0.09 83.54 09:10:02 2 15.64 0.00 0.56 0.00 0.10 83.70 09:10:02 3 16.24 0.00 0.47 0.05 0.08 83.17 09:20:03 all 8.67 0.00 0.43 0.02 0.09 90.78 09:20:03 0 8.25 0.00 0.42 0.00 0.08 91.24 09:20:03 1 8.89 0.00 0.48 0.01 0.09 90.52 09:20:03 2 8.71 0.00 0.40 0.03 0.10 90.76 09:20:03 3 8.84 0.00 0.43 0.03 0.09 90.61 09:30:04 all 14.11 0.00 0.52 0.05 0.08 85.24 09:30:04 0 14.92 0.00 0.54 0.05 0.08 84.41 09:30:04 1 14.03 0.00 0.44 0.02 0.08 85.43 09:30:04 2 14.12 0.00 0.56 0.02 0.09 85.20 09:30:04 3 13.37 0.00 0.53 0.11 0.08 85.91 Average: all 23.27 0.00 0.97 0.09 0.09 75.58 Average: 0 23.15 0.00 0.96 0.07 0.09 75.73 Average: 1 23.25 0.00 0.98 0.12 0.10 75.55 Average: 2 23.40 0.00 0.98 0.09 0.10 75.43 Average: 3 23.27 0.00 0.95 0.09 0.09 75.60