---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23468 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: 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 693 12251 3 3044 14953 Swap: 1023 17 1006 ---> 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:b8:1c:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79570sec preferred_lft 79570sec inet6 fe80::f816:3eff:feb8:1c5c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:df:c5:77:78:68 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::f0df:c5ff:fe77:7868/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-23468) 06/03/26 _x86_64_ (4 CPU) 18:01:40 LINUX RESTART (4 CPU) 18:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:06 66.93 5.62 58.60 2.71 203.96 6750.34 3685.39 18:30:01 41.72 16.68 23.78 1.27 901.71 1560.14 867.04 18:40:07 10.16 0.34 9.27 0.55 16.74 321.12 593.94 18:50:20 20.25 0.05 19.44 0.75 1.66 781.50 705.14 19:00:23 13.51 1.49 11.48 0.54 22.71 370.81 222.00 19:10:23 20.90 0.19 5.15 15.56 3.33 139.41 211118.32 19:20:23 5.21 0.04 4.98 0.19 2.35 151.21 121.65 19:30:23 5.24 0.01 5.04 0.19 0.83 174.11 66.84 19:40:19 6.53 0.17 6.10 0.27 7.67 200.69 91.35 19:50:01 10.52 0.48 9.71 0.33 11.06 592.99 265.83 Average: 19.98 2.49 15.25 2.24 116.39 1088.36 21840.41 18:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:06 6581448 7725576 8213432 50.16 254304 1024480 9199144 52.80 910668 8446592 2988 18:30:01 1685932 3388460 12551552 76.66 266648 1569692 13720700 78.76 1113340 13148912 448 18:40:07 8009004 9745464 6199040 37.86 268204 1602100 6992972 40.14 1126204 6828416 452 18:50:20 13458588 15351048 596716 3.64 273676 1751820 1367592 7.85 1178820 1330416 12244 19:00:23 9476552 11413228 4532524 27.68 275872 1793840 5325172 30.57 1188640 5309192 424 19:10:23 9380112 11339364 4606424 28.13 276760 1815496 5393196 30.96 1195244 5387596 192 19:20:23 8019064 10000080 5944928 36.31 277216 1836824 6784292 38.94 1197784 6751908 224 19:30:23 7855192 9860208 6084720 37.16 278000 1860020 6914508 39.69 1201600 6904852 352 19:40:19 13212684 15352696 594932 3.63 281824 1986640 1377076 7.90 1210028 1553860 104424 19:50:01 13129980 15326784 620812 3.79 282840 2042180 1377060 7.90 1231244 1589232 25420 Average: 9080856 10950291 4994508 30.50 273534 1728309 5845171 33.55 1155357 5725098 14717 18:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:06 lo 21.70 21.70 18.70 18.70 0.00 0.00 0.00 0.00 18:20:06 ens3 1.80 1.60 0.50 0.43 0.00 0.00 0.00 0.00 18:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 lo 44.36 44.36 20.40 20.40 0.00 0.00 0.00 0.00 18:30:01 ens3 1.90 1.66 0.47 0.40 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:07 lo 26.10 26.10 11.69 11.69 0.00 0.00 0.00 0.00 18:40:07 ens3 0.85 0.64 0.18 0.14 0.00 0.00 0.00 0.00 18:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:20 lo 12.40 12.40 5.72 5.72 0.00 0.00 0.00 0.00 18:50:20 ens3 0.92 0.80 0.24 0.20 0.00 0.00 0.00 0.00 18:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:23 lo 18.27 18.27 10.02 10.02 0.00 0.00 0.00 0.00 19:00:23 ens3 1.16 1.02 0.21 1.16 0.00 0.00 0.00 0.00 19:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:23 lo 15.24 15.24 6.23 6.23 0.00 0.00 0.00 0.00 19:10:23 ens3 0.63 0.42 0.14 0.10 0.00 0.00 0.00 0.00 19:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:23 lo 20.07 20.07 8.06 8.06 0.00 0.00 0.00 0.00 19:20:23 ens3 0.52 0.32 0.11 0.08 0.00 0.00 0.00 0.00 19:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:23 lo 21.00 21.00 10.81 10.81 0.00 0.00 0.00 0.00 19:30:23 ens3 0.77 0.56 0.18 0.14 0.00 0.00 0.00 0.00 19:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:19 lo 15.03 15.03 8.33 8.33 0.00 0.00 0.00 0.00 19:40:19 ens3 1.02 0.82 0.31 0.24 0.00 0.00 0.00 0.00 19:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 lo 23.96 23.96 11.24 11.24 0.00 0.00 0.00 0.00 19:50:01 ens3 1.02 0.74 0.23 0.17 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.78 21.78 11.08 11.08 0.00 0.00 0.00 0.00 Average: ens3 1.06 0.85 0.26 0.30 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-23468) 06/03/26 _x86_64_ (4 CPU) 18:01:40 LINUX RESTART (4 CPU) 18:10:22 CPU %user %nice %system %iowait %steal %idle 18:20:06 all 55.41 0.00 2.14 1.02 0.13 41.30 18:20:06 0 56.03 0.00 1.97 0.43 0.13 41.44 18:20:06 1 55.74 0.00 2.06 0.63 0.13 41.45 18:20:06 2 55.92 0.00 2.10 1.20 0.13 40.65 18:20:06 3 53.97 0.00 2.42 1.82 0.13 41.67 18:30:01 all 48.73 0.00 1.79 0.44 0.13 48.92 18:30:01 0 49.28 0.00 1.92 0.29 0.12 48.38 18:30:01 1 48.60 0.00 1.74 0.39 0.13 49.14 18:30:01 2 48.67 0.00 1.79 0.65 0.13 48.76 18:30:01 3 48.38 0.00 1.69 0.41 0.12 49.39 18:40:07 all 22.30 0.00 0.88 0.18 0.08 76.56 18:40:07 0 22.75 0.00 0.82 0.12 0.08 76.23 18:40:07 1 21.88 0.00 0.99 0.24 0.08 76.81 18:40:07 2 21.66 0.00 0.86 0.14 0.08 77.26 18:40:07 3 22.90 0.00 0.83 0.22 0.09 75.95 18:50:20 all 26.66 0.00 0.96 0.24 0.08 72.06 18:50:20 0 27.44 0.00 0.99 0.24 0.08 71.25 18:50:20 1 26.41 0.00 0.97 0.16 0.08 72.39 18:50:20 2 27.19 0.00 0.94 0.06 0.08 71.72 18:50:20 3 25.60 0.00 0.95 0.50 0.08 72.88 19:00:23 all 21.81 0.00 0.75 0.09 0.08 77.27 19:00:23 0 21.86 0.00 0.87 0.04 0.08 77.16 19:00:23 1 22.00 0.00 0.68 0.07 0.08 77.17 19:00:23 2 21.95 0.00 0.83 0.18 0.08 76.96 19:00:23 3 21.43 0.00 0.64 0.08 0.08 77.78 19:10:23 all 7.84 0.00 0.44 0.08 0.06 91.58 19:10:23 0 7.94 0.00 0.39 0.08 0.06 91.53 19:10:23 1 7.43 0.00 0.50 0.08 0.06 91.93 19:10:23 2 8.10 0.00 0.50 0.14 0.06 91.20 19:10:23 3 7.88 0.00 0.38 0.02 0.06 91.66 19:20:23 all 9.00 0.00 0.46 0.04 0.06 90.44 19:20:23 0 8.73 0.00 0.45 0.07 0.06 90.68 19:20:23 1 8.79 0.00 0.41 0.04 0.07 90.69 19:20:23 2 8.88 0.00 0.43 0.03 0.06 90.60 19:20:23 3 9.60 0.00 0.53 0.01 0.06 89.80 19:30:23 all 10.80 0.00 0.50 0.06 0.07 88.57 19:30:23 0 10.72 0.00 0.55 0.03 0.07 88.63 19:30:23 1 10.81 0.00 0.57 0.06 0.07 88.49 19:30:23 2 10.41 0.00 0.42 0.00 0.07 89.10 19:30:23 3 11.26 0.00 0.48 0.15 0.07 88.05 19:40:19 all 8.55 0.00 0.51 0.83 0.06 90.05 19:40:19 0 8.23 0.00 0.44 0.12 0.05 91.16 19:40:19 1 8.87 0.00 0.58 0.36 0.06 90.12 19:40:19 2 8.81 0.00 0.53 2.67 0.06 87.93 19:40:19 3 8.29 0.00 0.50 0.18 0.06 90.98 19:50:01 all 15.14 0.00 0.65 0.20 0.06 83.95 19:50:01 0 15.13 0.00 0.52 0.05 0.06 84.24 19:50:01 1 14.81 0.00 0.68 0.28 0.07 84.16 19:50:01 2 14.94 0.00 0.70 0.32 0.06 83.97 19:50:01 3 15.69 0.00 0.68 0.15 0.06 83.42 Average: all 22.54 0.00 0.90 0.32 0.08 76.16 Average: 0 22.73 0.00 0.89 0.15 0.08 76.15 Average: 1 22.45 0.00 0.92 0.23 0.08 76.33 Average: 2 22.57 0.00 0.91 0.54 0.08 75.90 Average: 3 22.41 0.00 0.91 0.35 0.08 76.26