---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-37520 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: 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 720 9606 3 5662 14926 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:6d:f9:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79516sec preferred_lft 79516sec inet6 fe80::f816:3eff:fe6d:f90c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:fc:4e:63:f5:d6 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::f8fc:4eff:fe63:f5d6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-37520) 03/25/26 _x86_64_ (4 CPU) 09:44:53 LINUX RESTART (4 CPU) 09:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:30 71.52 3.84 64.79 2.90 155.12 18060.31 10561.56 10:10:30 53.19 21.58 29.98 1.63 234.10 1721.47 1259.04 10:20:30 9.93 0.01 9.37 0.54 0.60 296.07 474.12 10:30:01 11.09 0.01 10.58 0.50 0.31 622.63 708.94 10:40:17 13.66 0.02 13.09 0.56 0.97 452.98 1219.18 10:50:30 22.29 0.08 6.96 15.25 0.98 171.48 206696.28 11:00:01 6.75 0.01 6.45 0.28 1.29 242.37 187.73 11:10:30 5.68 0.00 5.41 0.27 0.29 161.79 63.00 11:20:30 5.54 0.00 5.37 0.16 0.13 166.74 56.37 11:30:01 9.19 0.03 8.74 0.42 4.03 605.57 340.87 Average: 21.01 2.57 16.15 2.29 40.06 2270.82 22692.56 09:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:30 839800 4969472 10958104 66.93 257352 3778460 11886772 68.23 2063560 12803100 628 10:10:30 1851632 6354536 9573404 58.47 270456 4133428 10965088 62.94 2337864 11519688 8 10:20:30 1271440 5796704 10131484 61.88 272032 4154068 10917692 62.67 2345520 12084316 1188 10:30:01 6781768 11425360 4506784 27.53 276684 4262364 5278964 30.30 2380624 6552796 252 10:40:17 10590504 15306120 627836 3.83 278776 4332104 1356664 7.79 2386892 2752936 276 10:50:30 6454668 11192948 4739048 28.94 281136 4352404 5479956 31.45 2394332 6871236 52 11:00:01 7316896 12092248 3840484 23.46 281764 4388720 5050072 28.99 2397088 6004604 484 11:10:30 5152756 9951096 5980192 36.52 282704 4410704 6722136 38.58 2400816 8158104 768 11:20:30 6578812 11400908 4531324 27.68 283540 4433580 5246832 30.12 2403264 6729392 192 11:30:01 6363012 11319044 4612548 28.17 287588 4557160 5229264 30.02 2417888 6935200 388 Average: 5320129 9980844 5950121 36.34 277203 4280299 6813344 39.11 2352785 8041137 424 09:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:30 lo 11.68 11.68 11.16 11.16 0.00 0.00 0.00 0.00 10:00:30 ens3 40.17 28.44 638.97 3.11 0.00 0.00 0.00 0.00 10:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:30 lo 39.35 39.35 20.18 20.18 0.00 0.00 0.00 0.00 10:10:30 ens3 2.58 2.15 0.57 1.12 0.00 0.00 0.00 0.00 10:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:30 lo 30.82 30.82 12.77 12.77 0.00 0.00 0.00 0.00 10:20:30 ens3 1.71 0.80 0.36 0.81 0.00 0.00 0.00 0.00 10:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 12.98 12.98 5.85 5.85 0.00 0.00 0.00 0.00 10:30:01 ens3 1.70 0.84 0.41 0.26 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:17 lo 8.76 8.76 5.31 5.31 0.00 0.00 0.00 0.00 10:40:17 ens3 0.78 0.59 0.14 0.11 0.00 0.00 0.00 0.00 10:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:30 lo 19.42 19.42 9.14 9.14 0.00 0.00 0.00 0.00 10:50:30 ens3 1.23 0.64 0.26 0.17 0.00 0.00 0.00 0.00 10:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 28.39 28.39 9.74 9.74 0.00 0.00 0.00 0.00 11:00:01 ens3 1.03 0.51 0.25 0.17 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:30 lo 21.76 21.76 12.04 12.04 0.00 0.00 0.00 0.00 11:10:30 ens3 1.07 0.63 0.24 0.17 0.00 0.00 0.00 0.00 11:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:30 lo 15.56 15.56 8.69 8.69 0.00 0.00 0.00 0.00 11:20:30 ens3 1.12 0.53 0.22 0.14 0.00 0.00 0.00 0.00 11:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 13.73 13.73 7.52 7.52 0.00 0.00 0.00 0.00 11:30:01 ens3 1.25 0.85 0.35 0.26 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.24 20.24 10.27 10.27 0.00 0.00 0.00 0.00 Average: ens3 5.31 3.63 65.02 0.64 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-37520) 03/25/26 _x86_64_ (4 CPU) 09:44:53 LINUX RESTART (4 CPU) 09:50:25 CPU %user %nice %system %iowait %steal %idle 10:00:30 all 39.00 0.00 1.77 0.62 0.12 58.48 10:00:30 0 40.39 0.00 1.80 0.78 0.12 56.91 10:00:30 1 36.59 0.00 1.93 0.68 0.12 60.68 10:00:30 2 38.58 0.00 1.67 0.41 0.12 59.21 10:00:30 3 40.44 0.00 1.68 0.63 0.12 57.13 10:10:30 all 60.80 0.00 2.22 0.26 0.17 36.54 10:10:30 0 60.74 0.00 2.22 0.23 0.17 36.65 10:10:30 1 60.37 0.00 2.31 0.35 0.17 36.80 10:10:30 2 61.06 0.00 2.17 0.07 0.17 36.53 10:10:30 3 61.04 0.00 2.20 0.40 0.17 36.18 10:20:30 all 26.04 0.00 1.20 0.07 0.11 72.59 10:20:30 0 26.31 0.00 1.18 0.02 0.11 72.38 10:20:30 1 25.57 0.00 1.21 0.12 0.11 72.99 10:20:30 2 26.07 0.00 1.22 0.05 0.11 72.55 10:20:30 3 26.20 0.00 1.19 0.08 0.11 72.42 10:30:01 all 18.45 0.00 0.72 0.05 0.08 80.70 10:30:01 0 18.72 0.00 0.86 0.02 0.08 80.32 10:30:01 1 18.53 0.00 0.69 0.06 0.08 80.64 10:30:01 2 18.81 0.00 0.64 0.04 0.08 80.43 10:30:01 3 17.75 0.00 0.67 0.08 0.08 81.41 10:40:17 all 20.82 0.00 0.75 0.05 0.08 78.30 10:40:17 0 20.12 0.00 0.76 0.07 0.07 78.97 10:40:17 1 21.19 0.00 0.74 0.08 0.08 77.90 10:40:17 2 21.05 0.00 0.79 0.01 0.08 78.06 10:40:17 3 20.93 0.00 0.70 0.04 0.08 78.26 10:50:30 all 15.68 0.00 0.64 0.04 0.08 83.56 10:50:30 0 15.44 0.00 0.58 0.01 0.08 83.89 10:50:30 1 15.87 0.00 0.72 0.05 0.08 83.27 10:50:30 2 15.50 0.00 0.67 0.04 0.08 83.71 10:50:30 3 15.90 0.00 0.61 0.05 0.08 83.36 11:00:01 all 14.26 0.00 0.67 0.03 0.07 84.97 11:00:01 0 14.29 0.00 0.68 0.01 0.07 84.96 11:00:01 1 13.86 0.00 0.74 0.02 0.08 85.31 11:00:01 2 14.37 0.00 0.66 0.01 0.07 84.89 11:00:01 3 14.54 0.00 0.61 0.07 0.08 84.71 11:10:30 all 14.61 0.00 0.61 0.03 0.08 84.66 11:10:30 0 14.97 0.00 0.59 0.03 0.07 84.35 11:10:30 1 15.10 0.00 0.61 0.02 0.09 84.18 11:10:30 2 14.07 0.00 0.62 0.03 0.08 85.20 11:10:30 3 14.31 0.00 0.63 0.05 0.08 84.93 11:20:30 all 8.86 0.00 0.51 0.03 0.06 90.54 11:20:30 0 8.79 0.00 0.51 0.02 0.06 90.61 11:20:30 1 8.74 0.00 0.51 0.01 0.06 90.68 11:20:30 2 8.91 0.00 0.53 0.04 0.06 90.46 11:20:30 3 9.01 0.00 0.49 0.04 0.07 90.40 11:30:01 all 15.34 0.00 0.66 0.04 0.07 83.89 11:30:01 0 14.74 0.00 0.68 0.01 0.06 84.52 11:30:01 1 14.90 0.00 0.68 0.03 0.07 84.32 11:30:01 2 16.21 0.00 0.68 0.12 0.07 82.93 11:30:01 3 15.52 0.00 0.59 0.02 0.07 83.80 Average: all 23.44 0.00 0.98 0.12 0.09 75.37 Average: 0 23.50 0.00 0.99 0.12 0.09 75.30 Average: 1 23.13 0.00 1.02 0.14 0.09 75.62 Average: 2 23.51 0.00 0.97 0.08 0.09 75.35 Average: 3 23.62 0.00 0.94 0.15 0.09 75.20