---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-3618 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 699 10710 3 4579 14947 Swap: 1023 19 1004 ---> 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:bf:20:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79852sec preferred_lft 79852sec inet6 fe80::f816:3eff:febf:201b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:9c:27:eb:75:ed 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::b89c:27ff:feeb:75ed/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-3618) 04/16/26 _x86_64_ (4 CPU) 12:32:58 LINUX RESTART (4 CPU) 12:40:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:34 78.65 24.15 51.39 3.12 309.80 5441.54 4140.96 13:00:01 14.36 1.04 12.54 0.78 24.57 397.94 553.24 13:10:20 9.36 0.35 8.57 0.44 21.16 547.92 486.58 13:20:20 18.59 0.05 17.67 0.87 1.77 578.91 1301.65 13:30:01 20.41 12.46 7.64 0.32 150.50 237.54 111.27 13:40:20 7.75 0.09 7.31 0.35 2.75 243.79 130.54 13:50:21 5.56 0.07 5.31 0.18 1.96 159.69 91.22 14:00:01 5.01 0.04 4.81 0.16 0.90 157.94 55.11 14:10:20 24.55 0.12 8.96 15.47 2.25 546.15 202359.12 14:20:22 5.80 0.02 5.61 0.17 0.68 179.98 66.99 Average: 19.17 3.85 13.08 2.24 51.87 863.37 21586.28 12:40:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:34 2280024 5579756 10351120 63.22 265184 3019812 11702680 67.17 2098936 11412192 628 13:00:01 3255992 6580560 9352060 57.12 267136 3042500 10734904 61.62 2130080 10401480 724 13:10:20 8854324 12284180 3652356 22.31 270980 3143900 4453992 25.57 2142408 4819532 148 13:20:20 9542980 13056196 2880648 17.59 273928 3224308 3782112 21.71 2167376 4082436 192 13:30:01 7644624 11239544 4696316 28.68 280624 3292268 5424388 31.14 2210640 5950612 264 13:40:20 6505388 10137292 5797924 35.41 281452 3328392 6642420 38.13 2213956 7069280 368 13:50:21 6268860 9923380 6011588 36.72 282044 3350416 6802092 39.04 2217740 7309632 504 14:00:01 7892812 11570388 4365368 26.66 282624 3372900 5163164 29.64 2220060 5697192 288 14:10:20 7617676 11428316 4507340 27.53 288172 3495084 5190180 29.79 2242008 5943940 268 14:20:22 6587428 10425956 5509228 33.65 288756 3522308 6167100 35.40 2252856 6953380 596 Average: 6645011 10222557 5712395 34.89 278090 3279189 6606303 37.92 2189606 6963968 398 12:40:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:34 lo 29.11 29.11 20.71 20.71 0.00 0.00 0.00 0.00 12:50:34 ens3 2.21 2.14 0.63 1.32 0.00 0.00 0.00 0.00 12:50:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 45.03 45.03 18.32 18.32 0.00 0.00 0.00 0.00 13:00:01 ens3 1.37 1.15 0.30 0.25 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:20 lo 15.93 15.93 7.77 7.77 0.00 0.00 0.00 0.00 13:10:20 ens3 0.85 0.67 0.27 0.21 0.00 0.00 0.00 0.00 13:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:20 lo 12.97 12.97 7.23 7.23 0.00 0.00 0.00 0.00 13:20:20 ens3 0.87 0.95 0.18 0.16 0.00 0.00 0.00 0.00 13:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 19.20 19.20 9.23 9.23 0.00 0.00 0.00 0.00 13:30:01 ens3 0.71 0.71 0.15 0.13 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:20 lo 28.93 28.93 11.53 11.53 0.00 0.00 0.00 0.00 13:40:20 ens3 0.82 0.52 0.23 0.16 0.00 0.00 0.00 0.00 13:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:21 lo 21.07 21.07 10.47 10.47 0.00 0.00 0.00 0.00 13:50:21 ens3 0.70 0.64 0.14 0.12 0.00 0.00 0.00 0.00 13:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 15.81 15.81 8.88 8.88 0.00 0.00 0.00 0.00 14:00:01 ens3 0.74 0.55 0.19 0.15 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:20 lo 14.15 14.15 7.55 7.55 0.00 0.00 0.00 0.00 14:10:20 ens3 0.80 0.67 0.22 0.17 0.00 0.00 0.00 0.00 14:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:22 lo 25.49 25.49 9.88 9.88 0.00 0.00 0.00 0.00 14:20:22 ens3 0.59 0.47 0.12 0.09 0.00 0.00 0.00 0.00 14:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.67 22.67 11.13 11.13 0.00 0.00 0.00 0.00 Average: ens3 0.97 0.85 0.24 0.28 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-3618) 04/16/26 _x86_64_ (4 CPU) 12:32:58 LINUX RESTART (4 CPU) 12:40:19 CPU %user %nice %system %iowait %steal %idle 12:50:34 all 64.69 0.00 2.27 0.15 0.10 32.79 12:50:34 0 65.15 0.00 2.49 0.13 0.10 32.12 12:50:34 1 64.46 0.00 2.12 0.09 0.11 33.23 12:50:34 2 64.51 0.00 2.20 0.20 0.10 32.98 12:50:34 3 64.62 0.00 2.29 0.17 0.10 32.82 13:00:01 all 29.67 0.00 1.21 0.05 0.10 68.96 13:00:01 0 29.41 0.00 1.15 0.04 0.10 69.29 13:00:01 1 29.75 0.00 1.22 0.09 0.11 68.83 13:00:01 2 29.92 0.00 1.19 0.05 0.10 68.74 13:00:01 3 29.61 0.00 1.28 0.02 0.10 68.99 13:10:20 all 16.00 0.00 0.64 0.05 0.09 83.21 13:10:20 0 14.97 0.00 0.59 0.07 0.09 84.28 13:10:20 1 17.07 0.00 0.66 0.03 0.09 82.15 13:10:20 2 16.40 0.00 0.63 0.06 0.10 82.81 13:10:20 3 15.58 0.00 0.69 0.03 0.10 83.61 13:20:20 all 28.10 0.00 0.93 0.05 0.09 70.82 13:20:20 0 28.25 0.00 0.88 0.06 0.09 70.72 13:20:20 1 28.06 0.00 0.90 0.09 0.09 70.86 13:20:20 2 27.59 0.00 0.99 0.04 0.09 71.29 13:20:20 3 28.52 0.00 0.96 0.02 0.08 70.43 13:30:01 all 14.20 0.07 0.64 0.34 0.09 84.65 13:30:01 0 14.17 0.08 0.66 0.06 0.10 84.93 13:30:01 1 13.68 0.02 0.64 0.02 0.08 85.56 13:30:01 2 14.25 0.20 0.74 1.27 0.09 83.45 13:30:01 3 14.71 0.00 0.54 0.02 0.08 84.65 13:40:20 all 14.83 0.00 0.58 0.03 0.08 84.48 13:40:20 0 14.53 0.00 0.60 0.02 0.08 84.77 13:40:20 1 15.28 0.00 0.58 0.03 0.08 84.04 13:40:20 2 14.62 0.00 0.55 0.04 0.08 84.71 13:40:20 3 14.88 0.00 0.61 0.03 0.08 84.40 13:50:21 all 11.50 0.00 0.60 0.03 0.08 87.79 13:50:21 0 10.91 0.00 0.62 0.01 0.08 88.38 13:50:21 1 11.89 0.00 0.61 0.03 0.08 87.38 13:50:21 2 11.76 0.00 0.56 0.04 0.09 87.55 13:50:21 3 11.43 0.00 0.61 0.02 0.08 87.86 14:00:01 all 8.73 0.00 0.50 0.04 0.07 90.66 14:00:01 0 8.68 0.00 0.48 0.03 0.07 90.75 14:00:01 1 8.63 0.00 0.51 0.03 0.08 90.75 14:00:01 2 9.07 0.00 0.48 0.04 0.07 90.33 14:00:01 3 8.55 0.00 0.53 0.04 0.07 90.81 14:10:20 all 14.27 0.00 0.59 0.07 0.07 85.00 14:10:20 0 14.94 0.00 0.66 0.14 0.07 84.19 14:10:20 1 14.57 0.00 0.62 0.10 0.07 84.64 14:10:20 2 14.03 0.00 0.55 0.03 0.08 85.31 14:10:20 3 13.53 0.00 0.53 0.01 0.06 85.86 14:20:22 all 10.03 0.00 0.48 0.02 0.06 89.41 14:20:22 0 10.40 0.00 0.39 0.02 0.06 89.14 14:20:22 1 10.33 0.00 0.52 0.03 0.07 89.04 14:20:22 2 9.85 0.00 0.52 0.02 0.07 89.54 14:20:22 3 9.52 0.00 0.47 0.02 0.06 89.92 Average: all 21.25 0.01 0.85 0.08 0.08 77.73 Average: 0 21.19 0.01 0.85 0.06 0.08 77.80 Average: 1 21.43 0.00 0.84 0.05 0.09 77.59 Average: 2 21.25 0.02 0.84 0.18 0.09 77.62 Average: 3 21.14 0.00 0.85 0.04 0.08 77.89