---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-34784 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: 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 740 8367 3 6881 14906 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:ae:8b:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79700sec preferred_lft 79700sec inet6 fe80::f816:3eff:feae:8b36/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:ec:e0:6f:11:53 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::b0ec:e0ff:fe6f:1153/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-34784) 07/11/26 _x86_64_ (4 CPU) 08:45:09 LINUX RESTART (4 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:00 57.22 2.58 52.40 2.24 337.19 11169.97 4317.05 09:10:10 13.47 0.89 11.93 0.64 8.68 335.60 1103.47 09:20:10 7.30 0.01 6.88 0.40 0.39 259.95 824.97 09:30:00 52.51 19.65 31.30 1.57 165.14 2026.03 1343.93 09:40:10 41.49 18.26 22.05 1.18 146.50 1593.24 1060.03 09:50:05 22.53 0.08 6.91 15.55 0.81 175.63 212411.94 10:00:08 4.24 0.00 4.14 0.10 0.00 132.48 10.34 10:10:10 8.98 0.00 8.61 0.38 0.00 293.54 244.71 10:20:04 5.60 0.00 5.42 0.18 0.00 178.62 74.47 10:30:06 9.75 0.00 9.32 0.43 0.01 592.18 122.12 Average: 22.27 4.14 15.88 2.25 65.75 1672.44 21962.99 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:00 2859716 8044208 7885012 48.16 246624 4812980 9326208 53.53 2183012 10645868 2068 09:10:10 1951088 7002140 8926676 54.52 248456 4682044 9690916 55.63 2226208 11493900 308 09:20:10 4641564 9716492 6214852 37.96 249980 4704380 6949996 39.89 2233788 8816720 308 09:30:00 8012564 13639536 2291224 13.99 266364 5220728 3045660 17.48 2426264 5241124 89732 09:40:10 5397588 11325660 4604880 28.12 274628 5510524 5361024 30.77 2572972 7698440 336 09:50:05 7092244 13060132 2871464 17.54 276436 5548352 4435648 25.46 2580860 6014556 16860 10:00:08 9315292 15306672 625192 3.82 276756 5571720 1394836 8.01 2582536 3788532 19708 10:10:10 3934792 9950600 5979228 36.52 277668 5594988 6819672 39.14 2586424 9139040 228 10:20:04 5312024 11354520 4575940 27.95 278492 5620776 5366440 30.80 2588928 7760716 300 10:30:06 4994800 11171880 4758104 29.06 282272 5745852 5342556 30.67 2602728 8063156 324 Average: 5351167 11057184 4873257 29.76 267768 5301234 5773296 33.14 2458372 7866205 13017 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:00 lo 15.62 15.62 10.87 10.87 0.00 0.00 0.00 0.00 09:00:00 ens3 35.57 26.63 490.59 3.60 0.00 0.00 0.00 0.00 09:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:10 lo 33.65 33.65 14.13 14.13 0.00 0.00 0.00 0.00 09:10:10 ens3 0.96 1.03 0.19 0.18 0.00 0.00 0.00 0.00 09:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:10 lo 17.49 17.49 9.05 9.05 0.00 0.00 0.00 0.00 09:20:10 ens3 0.66 0.54 0.14 0.11 0.00 0.00 0.00 0.00 09:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 lo 18.75 18.75 14.88 14.88 0.00 0.00 0.00 0.00 09:30:00 ens3 1.55 1.51 0.52 0.42 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:10 lo 26.25 26.25 13.47 13.47 0.00 0.00 0.00 0.00 09:40:10 ens3 6.35 3.90 3.85 2.60 0.00 0.00 0.00 0.00 09:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:05 lo 17.62 17.62 8.58 8.58 0.00 0.00 0.00 0.00 09:50:05 ens3 0.71 0.58 0.18 0.13 0.00 0.00 0.00 0.00 09:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:08 lo 24.16 24.16 8.17 8.17 0.00 0.00 0.00 0.00 10:00:08 ens3 0.51 0.41 0.16 0.12 0.00 0.00 0.00 0.00 10:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:10 lo 19.05 19.05 10.81 10.81 0.00 0.00 0.00 0.00 10:10:10 ens3 0.64 0.56 0.13 0.11 0.00 0.00 0.00 0.00 10:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:04 lo 18.07 18.07 10.17 10.17 0.00 0.00 0.00 0.00 10:20:04 ens3 0.57 0.48 0.15 0.10 0.00 0.00 0.00 0.00 10:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:06 lo 21.20 21.20 10.23 10.23 0.00 0.00 0.00 0.00 10:30:06 ens3 0.97 0.85 0.27 0.23 0.00 0.00 0.00 0.00 10:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.23 21.23 11.04 11.04 0.00 0.00 0.00 0.00 Average: ens3 4.85 3.65 49.50 0.76 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-34784) 07/11/26 _x86_64_ (4 CPU) 08:45:09 LINUX RESTART (4 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:00 all 39.43 0.00 1.60 0.31 0.09 58.57 09:00:00 0 38.36 0.00 1.57 0.35 0.09 59.64 09:00:00 1 39.14 0.00 1.66 0.35 0.09 58.76 09:00:00 2 40.55 0.00 1.58 0.33 0.10 57.45 09:00:00 3 39.68 0.00 1.59 0.22 0.09 58.41 09:10:10 all 30.97 0.00 1.07 0.05 0.09 67.83 09:10:10 0 30.61 0.00 1.07 0.04 0.09 68.19 09:10:10 1 31.44 0.00 1.11 0.02 0.09 67.35 09:10:10 2 30.30 0.00 1.05 0.05 0.09 68.50 09:10:10 3 31.54 0.00 1.03 0.07 0.09 67.27 09:20:10 all 17.11 0.00 0.67 0.04 0.08 82.11 09:20:10 0 17.34 0.00 0.77 0.03 0.07 81.78 09:20:10 1 16.96 0.00 0.56 0.02 0.07 82.39 09:20:10 2 17.29 0.00 0.73 0.05 0.08 81.85 09:20:10 3 16.86 0.00 0.60 0.05 0.07 82.41 09:30:00 all 41.97 0.00 1.33 0.09 0.09 56.52 09:30:00 0 42.28 0.00 1.35 0.04 0.09 56.24 09:30:00 1 42.23 0.00 1.43 0.23 0.08 56.03 09:30:00 2 41.48 0.00 1.29 0.03 0.09 57.11 09:30:00 3 41.90 0.00 1.24 0.06 0.09 56.72 09:40:10 all 34.78 0.00 1.19 0.24 0.11 63.68 09:40:10 0 34.48 0.00 1.14 0.13 0.09 64.16 09:40:10 1 33.56 0.00 1.30 0.16 0.14 64.84 09:40:10 2 35.48 0.00 1.19 0.05 0.10 63.19 09:40:10 3 35.62 0.00 1.11 0.61 0.11 62.55 09:50:05 all 11.59 0.00 0.56 0.05 0.07 87.74 09:50:05 0 11.59 0.00 0.56 0.01 0.06 87.78 09:50:05 1 11.25 0.00 0.54 0.01 0.07 88.14 09:50:05 2 12.13 0.00 0.61 0.15 0.07 87.04 09:50:05 3 11.39 0.00 0.52 0.02 0.07 88.00 10:00:08 all 5.31 0.00 0.41 0.02 0.06 94.20 10:00:08 0 5.02 0.00 0.40 0.02 0.05 94.51 10:00:08 1 5.31 0.00 0.40 0.00 0.06 94.23 10:00:08 2 5.74 0.00 0.44 0.02 0.07 93.73 10:00:08 3 5.16 0.00 0.38 0.04 0.06 94.36 10:10:10 all 16.64 0.00 0.58 0.03 0.07 82.68 10:10:10 0 16.24 0.00 0.51 0.04 0.07 83.14 10:10:10 1 16.97 0.00 0.66 0.01 0.07 82.28 10:10:10 2 16.50 0.00 0.57 0.04 0.07 82.81 10:10:10 3 16.84 0.00 0.59 0.02 0.08 82.47 10:20:04 all 8.95 0.00 0.49 0.02 0.07 90.47 10:20:04 0 8.64 0.00 0.44 0.01 0.07 90.84 10:20:04 1 9.00 0.00 0.54 0.06 0.07 90.34 10:20:04 2 9.18 0.00 0.52 0.02 0.08 90.21 10:20:04 3 8.98 0.00 0.45 0.02 0.07 90.49 10:30:06 all 14.51 0.00 0.55 0.04 0.07 84.83 10:30:06 0 13.89 0.00 0.46 0.02 0.07 85.56 10:30:06 1 14.92 0.00 0.50 0.04 0.08 84.46 10:30:06 2 14.58 0.00 0.63 0.01 0.08 84.70 10:30:06 3 14.67 0.00 0.59 0.09 0.07 84.58 Average: all 22.12 0.00 0.84 0.09 0.08 76.87 Average: 0 21.84 0.00 0.83 0.07 0.08 77.19 Average: 1 22.07 0.00 0.87 0.09 0.08 76.89 Average: 2 22.30 0.00 0.86 0.08 0.08 76.68 Average: 3 22.26 0.00 0.81 0.12 0.08 76.73