---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-52876 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5600.00 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 724 10664 3 4600 14922 Swap: 1023 1 1022 ---> 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:0f:00:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79703sec preferred_lft 79703sec inet6 fe80::f816:3eff:fe0f:1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:3b:ce:dd:a9:78 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::943b:ceff:fedd:a978/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-52876) 03/25/26 _x86_64_ (4 CPU) 21:38:27 LINUX RESTART (4 CPU) 21:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:14 129.29 9.18 115.01 5.10 851.20 36988.29 11469.73 22:00:16 56.16 22.43 32.01 1.71 256.28 1816.72 1338.56 22:10:01 6.18 0.10 5.84 0.25 4.76 188.15 136.25 22:20:17 7.88 0.03 7.47 0.37 0.70 250.93 324.41 22:30:11 20.58 0.09 19.62 0.88 2.55 899.72 629.00 22:40:01 9.86 0.23 9.24 0.38 7.76 251.69 343.80 22:50:19 4.55 0.00 4.40 0.14 0.16 131.49 66.44 23:00:20 32.48 12.06 5.18 15.25 141.91 183.04 208881.35 23:10:01 4.74 0.00 4.56 0.18 0.32 148.14 88.05 23:20:18 11.72 0.03 11.19 0.49 3.88 671.98 307.33 Average: 28.56 4.43 21.64 2.48 128.45 4219.94 22357.32 21:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:14 171184 5731268 10194364 62.26 258220 5148812 12852068 73.77 2174040 13303756 1220 22:00:16 3760896 7130336 8802808 53.76 265904 3083820 9587416 55.03 2085204 9931552 292 22:10:01 3495416 6875972 9057656 55.32 266696 3094144 9757756 56.01 2100572 10182876 300 22:20:17 6220876 9623568 6312580 38.55 267824 3115148 7076176 40.62 2107440 7463588 168 22:30:11 11742420 15306904 632188 3.86 273692 3271000 1365296 7.84 2147932 1921796 12 22:40:01 7645908 11241120 4695724 28.68 274816 3300596 5362708 30.78 2151504 6003732 28 22:50:19 7757188 11371492 4565280 27.88 275348 3319160 5230692 30.02 2152748 5884156 304 23:00:20 6303600 9999092 5936828 36.26 282264 3381764 6711760 38.53 2201684 7276896 448 23:10:01 6224468 9940916 5995116 36.62 282860 3402052 6811728 39.10 2204884 7362344 344 23:20:18 7561064 11431600 4505016 27.51 287460 3544276 5189056 29.79 2221416 6007184 256 Average: 6088302 9865227 6069756 37.07 273508 3466077 6994466 40.15 2154742 7533788 337 21:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:14 lo 5.06 5.06 5.26 5.26 0.00 0.00 0.00 0.00 21:50:14 ens3 118.53 92.82 1807.82 10.28 0.00 0.00 0.00 0.00 21:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:16 lo 44.97 44.97 24.73 24.73 0.00 0.00 0.00 0.00 22:00:16 ens3 2.24 1.98 0.58 1.34 0.00 0.00 0.00 0.00 22:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 lo 28.44 28.44 10.39 10.39 0.00 0.00 0.00 0.00 22:10:01 ens3 0.76 0.62 0.18 0.14 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:17 lo 9.77 9.77 5.97 5.97 0.00 0.00 0.00 0.00 22:20:17 ens3 0.63 0.38 0.18 0.12 0.00 0.00 0.00 0.00 22:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:11 lo 14.34 14.34 7.11 7.11 0.00 0.00 0.00 0.00 22:30:11 ens3 1.12 0.94 0.30 0.25 0.00 0.00 0.00 0.00 22:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 19.80 19.80 10.48 10.48 0.00 0.00 0.00 0.00 22:40:01 ens3 0.83 0.66 0.19 0.15 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:19 lo 28.08 28.08 10.02 10.02 0.00 0.00 0.00 0.00 22:50:19 ens3 0.54 0.40 0.13 0.10 0.00 0.00 0.00 0.00 22:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:20 lo 14.52 14.52 7.50 7.50 0.00 0.00 0.00 0.00 23:00:20 ens3 0.64 0.49 0.18 0.13 0.00 0.00 0.00 0.00 23:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 16.73 16.73 10.22 10.22 0.00 0.00 0.00 0.00 23:10:01 ens3 0.60 0.52 0.13 0.10 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:18 lo 18.97 18.97 10.38 10.38 0.00 0.00 0.00 0.00 23:20:18 ens3 0.91 0.81 0.24 0.20 0.00 0.00 0.00 0.00 23:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.03 20.03 10.19 10.19 0.00 0.00 0.00 0.00 Average: ens3 12.89 10.13 184.27 1.30 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-52876) 03/25/26 _x86_64_ (4 CPU) 21:38:27 LINUX RESTART (4 CPU) 21:40:02 CPU %user %nice %system %iowait %steal %idle 21:50:14 all 55.87 0.00 2.92 0.99 0.09 40.14 21:50:14 0 55.51 0.00 3.00 0.98 0.09 40.42 21:50:14 1 55.73 0.00 2.91 1.19 0.09 40.08 21:50:14 2 56.83 0.00 2.87 0.76 0.09 39.47 21:50:14 3 55.40 0.00 2.89 1.02 0.09 40.60 22:00:16 all 58.28 0.00 2.10 0.09 0.10 39.43 22:00:16 0 58.41 0.00 2.15 0.18 0.10 39.15 22:00:16 1 59.01 0.00 2.15 0.06 0.10 38.68 22:00:16 2 59.07 0.00 2.06 0.04 0.10 38.73 22:00:16 3 56.64 0.00 2.01 0.09 0.10 41.16 22:10:01 all 10.86 0.00 0.50 0.03 0.11 88.51 22:10:01 0 10.74 0.00 0.45 0.03 0.11 88.67 22:10:01 1 10.91 0.00 0.53 0.01 0.11 88.44 22:10:01 2 10.77 0.00 0.56 0.05 0.11 88.51 22:10:01 3 11.02 0.00 0.45 0.02 0.10 88.40 22:20:17 all 15.57 0.00 0.69 0.03 0.09 83.62 22:20:17 0 15.79 0.00 0.60 0.05 0.09 83.46 22:20:17 1 15.61 0.00 0.77 0.02 0.09 83.51 22:20:17 2 15.53 0.00 0.75 0.01 0.10 83.61 22:20:17 3 15.34 0.00 0.64 0.05 0.09 83.88 22:30:11 all 28.60 0.00 0.93 0.08 0.09 70.30 22:30:11 0 28.14 0.00 0.95 0.03 0.09 70.79 22:30:11 1 29.36 0.00 1.04 0.21 0.09 69.30 22:30:11 2 28.72 0.00 0.93 0.07 0.09 70.19 22:30:11 3 28.17 0.00 0.81 0.03 0.10 70.90 22:40:01 all 17.70 0.00 0.65 0.03 0.09 81.53 22:40:01 0 17.34 0.00 0.63 0.03 0.09 81.91 22:40:01 1 18.23 0.00 0.69 0.02 0.09 80.97 22:40:01 2 17.57 0.00 0.67 0.06 0.09 81.61 22:40:01 3 17.66 0.00 0.61 0.03 0.09 81.61 22:50:19 all 8.20 0.00 0.43 0.02 0.09 91.26 22:50:19 0 8.20 0.00 0.44 0.04 0.09 91.23 22:50:19 1 8.55 0.00 0.47 0.03 0.10 90.85 22:50:19 2 7.91 0.00 0.40 0.00 0.10 91.59 22:50:19 3 8.15 0.00 0.40 0.00 0.09 91.35 23:00:20 all 9.14 0.07 0.41 0.09 0.09 90.20 23:00:20 0 8.85 0.16 0.39 0.12 0.08 90.40 23:00:20 1 9.47 0.12 0.44 0.12 0.09 89.77 23:00:20 2 9.06 0.00 0.35 0.03 0.10 90.46 23:00:20 3 9.17 0.00 0.47 0.09 0.09 90.18 23:10:01 all 9.35 0.00 0.37 0.02 0.09 90.16 23:10:01 0 9.09 0.00 0.36 0.05 0.09 90.41 23:10:01 1 9.30 0.00 0.35 0.02 0.10 90.23 23:10:01 2 9.55 0.00 0.40 0.00 0.10 89.95 23:10:01 3 9.46 0.00 0.38 0.00 0.09 90.06 23:20:18 all 18.43 0.00 0.64 0.04 0.09 80.80 23:20:18 0 18.39 0.00 0.59 0.03 0.09 80.90 23:20:18 1 18.42 0.00 0.68 0.02 0.10 80.79 23:20:18 2 18.71 0.00 0.73 0.10 0.10 80.36 23:20:18 3 18.20 0.00 0.55 0.02 0.09 81.14 Average: all 23.26 0.01 0.97 0.14 0.09 75.52 Average: 0 23.12 0.02 0.96 0.16 0.09 75.66 Average: 1 23.52 0.01 1.01 0.17 0.09 75.19 Average: 2 23.44 0.00 0.98 0.11 0.10 75.37 Average: 3 22.98 0.00 0.93 0.14 0.09 75.87