---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-55741 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 704 10787 3 4496 14942 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:83:a3:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79650sec preferred_lft 79650sec inet6 fe80::f816:3eff:fe83:a335/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:1e:80:76:5c:e7 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::3c1e:80ff:fe76:5ce7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-55741) 03/31/26 _x86_64_ (4 CPU) 10:44:18 LINUX RESTART (4 CPU) 10:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:06 86.17 24.60 58.11 3.46 369.15 6612.19 3415.50 11:10:07 15.96 0.14 14.94 0.88 4.63 409.12 1073.39 11:20:14 7.86 0.05 7.40 0.40 3.55 286.40 1059.69 11:30:14 31.15 0.22 14.86 16.07 5.61 708.76 211696.27 11:40:01 12.13 0.01 11.62 0.50 0.37 370.11 419.09 11:50:14 6.24 0.01 5.99 0.24 1.10 199.37 191.16 12:00:08 6.46 0.01 6.14 0.31 1.12 177.19 67.39 12:10:01 4.91 0.01 4.70 0.19 0.39 150.92 174.35 12:20:08 6.33 0.02 6.13 0.18 0.26 177.44 77.42 12:30:09 8.69 0.04 8.27 0.38 3.90 576.42 120.73 Average: 18.57 2.51 13.80 2.26 38.97 965.78 21822.00 10:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:06 6377268 9626284 6307156 38.52 261244 2978888 8267596 47.46 2136276 7296656 2728 11:10:07 3785656 7061428 8872212 54.19 263968 3002776 9575908 54.97 2174780 9829492 432 11:20:14 6601372 9900908 6033772 36.85 265128 3025400 7029140 40.35 2182380 7035280 324 11:30:14 10270456 13707568 2230944 13.63 272416 3155592 2985876 17.14 2226124 3320096 408 11:40:01 7855136 11344232 4593060 28.05 274304 3205692 5324268 30.56 2230316 5732800 288 11:50:14 8790108 12310220 3627724 22.16 274936 3236072 4999912 28.70 2232316 4805184 576 12:00:08 6333144 9876032 6060384 37.01 275700 3258084 6861976 39.39 2234800 7246896 200 12:10:01 6414436 9979252 5957428 36.39 276512 3279200 6809112 39.08 2238376 7158240 284 12:20:08 7907052 11496316 4440928 27.12 277344 3302820 5192256 29.80 2240832 5677868 344 12:30:09 7529088 11247740 4689216 28.64 281260 3427640 5264308 30.22 2255092 6033060 428 Average: 7186372 10654998 5281282 32.26 272281 3187216 6231035 35.77 2215129 6413557 601 10:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:06 lo 21.70 21.70 17.40 17.40 0.00 0.00 0.00 0.00 11:00:06 ens3 2.06 1.89 0.62 0.53 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 46.58 46.58 20.32 20.32 0.00 0.00 0.00 0.00 11:10:07 ens3 2.88 1.70 0.56 1.39 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:14 lo 15.99 15.99 7.54 7.54 0.00 0.00 0.00 0.00 11:20:14 ens3 0.72 0.36 0.16 0.10 0.00 0.00 0.00 0.00 11:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:14 lo 11.19 11.19 5.57 5.57 0.00 0.00 0.00 0.00 11:30:14 ens3 0.95 0.88 0.23 0.19 0.00 0.00 0.00 0.00 11:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 16.43 16.43 7.74 7.74 0.00 0.00 0.00 0.00 11:40:01 ens3 1.24 0.61 0.25 0.15 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:14 lo 13.32 13.32 7.11 7.11 0.00 0.00 0.00 0.00 11:50:14 ens3 0.89 0.52 0.19 0.14 0.00 0.00 0.00 0.00 11:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:08 lo 30.01 30.01 11.89 11.89 0.00 0.00 0.00 0.00 12:00:08 ens3 0.82 0.51 0.21 0.15 0.00 0.00 0.00 0.00 12:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 14.05 14.05 7.39 7.39 0.00 0.00 0.00 0.00 12:10:01 ens3 1.13 0.49 0.25 0.16 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:08 lo 17.80 17.80 9.99 9.99 0.00 0.00 0.00 0.00 12:20:08 ens3 0.85 0.56 0.20 0.14 0.00 0.00 0.00 0.00 12:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:09 lo 21.26 21.26 10.29 10.29 0.00 0.00 0.00 0.00 12:30:09 ens3 1.14 0.87 0.32 0.25 0.00 0.00 0.00 0.00 12:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.82 20.82 10.52 10.52 0.00 0.00 0.00 0.00 Average: ens3 1.27 0.84 0.30 0.32 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-55741) 03/31/26 _x86_64_ (4 CPU) 10:44:18 LINUX RESTART (4 CPU) 10:50:07 CPU %user %nice %system %iowait %steal %idle 11:00:06 all 57.39 0.00 2.15 0.14 0.11 40.20 11:00:06 0 57.66 0.00 2.27 0.16 0.11 39.79 11:00:06 1 56.93 0.00 2.24 0.16 0.11 40.56 11:00:06 2 57.25 0.00 2.11 0.07 0.12 40.45 11:00:06 3 57.73 0.00 1.97 0.18 0.11 40.00 11:10:07 all 37.79 0.00 1.37 0.06 0.12 60.66 11:10:07 0 37.62 0.00 1.38 0.09 0.12 60.79 11:10:07 1 37.63 0.00 1.53 0.04 0.12 60.68 11:10:07 2 38.14 0.00 1.31 0.03 0.12 60.40 11:10:07 3 37.76 0.00 1.26 0.10 0.12 60.76 11:20:14 all 18.03 0.00 0.75 0.03 0.09 81.10 11:20:14 0 17.87 0.00 0.81 0.03 0.08 81.21 11:20:14 1 18.03 0.00 0.71 0.01 0.09 81.17 11:20:14 2 17.89 0.00 0.74 0.07 0.09 81.21 11:20:14 3 18.34 0.00 0.75 0.01 0.09 80.82 11:30:14 all 22.93 0.00 0.90 0.07 0.09 76.02 11:30:14 0 22.89 0.00 0.91 0.09 0.08 76.03 11:30:14 1 21.80 0.00 0.84 0.03 0.09 77.24 11:30:14 2 23.15 0.00 0.94 0.03 0.09 75.79 11:30:14 3 23.89 0.00 0.90 0.12 0.08 75.01 11:40:01 all 19.63 0.00 0.73 0.04 0.08 79.53 11:40:01 0 19.18 0.00 0.65 0.05 0.07 80.05 11:40:01 1 20.24 0.00 0.77 0.04 0.08 78.87 11:40:01 2 19.74 0.00 0.73 0.02 0.09 79.43 11:40:01 3 19.36 0.00 0.76 0.05 0.08 79.76 11:50:14 all 11.43 0.00 0.50 0.02 0.08 87.98 11:50:14 0 10.93 0.00 0.48 0.02 0.07 88.50 11:50:14 1 11.97 0.00 0.48 0.00 0.08 87.47 11:50:14 2 10.70 0.00 0.49 0.02 0.08 88.70 11:50:14 3 12.11 0.00 0.56 0.02 0.08 87.23 12:00:08 all 12.13 0.00 0.45 0.02 0.08 87.31 12:00:08 0 11.93 0.00 0.43 0.04 0.08 87.53 12:00:08 1 12.28 0.00 0.43 0.01 0.08 87.19 12:00:08 2 12.59 0.00 0.50 0.02 0.08 86.80 12:00:08 3 11.73 0.00 0.44 0.03 0.08 87.71 12:10:01 all 9.20 0.00 0.41 0.03 0.08 90.28 12:10:01 0 9.36 0.00 0.37 0.04 0.07 90.15 12:10:01 1 8.99 0.00 0.44 0.04 0.09 90.45 12:10:01 2 9.25 0.00 0.47 0.01 0.08 90.18 12:10:01 3 9.19 0.00 0.34 0.04 0.08 90.35 12:20:08 all 8.93 0.00 0.44 0.03 0.07 90.54 12:20:08 0 8.88 0.00 0.39 0.02 0.07 90.64 12:20:08 1 9.57 0.00 0.45 0.05 0.08 89.85 12:20:08 2 8.80 0.00 0.45 0.01 0.07 90.66 12:20:08 3 8.47 0.00 0.46 0.02 0.07 90.99 12:30:09 all 14.78 0.00 0.59 0.04 0.07 84.52 12:30:09 0 14.57 0.00 0.57 0.07 0.07 84.71 12:30:09 1 14.89 0.00 0.61 0.01 0.08 84.41 12:30:09 2 15.10 0.00 0.58 0.06 0.07 84.18 12:30:09 3 14.56 0.00 0.59 0.02 0.07 84.77 Average: all 21.20 0.00 0.83 0.05 0.09 77.84 Average: 0 21.07 0.00 0.83 0.06 0.08 77.96 Average: 1 21.21 0.00 0.85 0.04 0.09 77.82 Average: 2 21.23 0.00 0.83 0.03 0.09 77.81 Average: 3 21.30 0.00 0.80 0.06 0.08 77.75