---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-41913 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 700 10842 3 4446 14942 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:5f:74:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79706sec preferred_lft 79706sec inet6 fe80::f816:3eff:fe5f:7443/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:64:ee:68:e3:11 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-41913) 03/25/26 _x86_64_ (4 CPU) 10:24:18 LINUX RESTART (4 CPU) 10:30:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:26 64.40 4.13 57.58 2.69 144.05 14238.64 5812.80 10:50:01 52.24 23.72 27.09 1.43 292.47 1682.52 1238.09 11:00:24 10.87 0.17 10.09 0.61 9.02 360.55 273.93 11:10:15 11.42 0.02 10.88 0.53 0.39 586.18 222.41 11:20:01 16.62 0.05 15.80 0.77 1.53 510.83 348.09 11:30:05 7.02 0.03 6.65 0.34 1.80 211.32 221.33 11:40:13 4.94 0.01 4.73 0.20 1.31 150.92 142.87 11:50:01 20.84 0.07 4.98 15.79 1.52 149.55 214506.07 12:00:26 5.63 0.00 5.49 0.14 0.17 160.56 72.69 12:10:26 9.14 0.06 8.72 0.36 5.01 576.69 209.89 Average: 20.11 2.73 15.13 2.25 44.60 1866.04 21846.53 10:30:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:26 159104 3626392 12305180 75.16 258628 3161192 14318556 82.19 2029060 13569076 856 10:50:01 5079940 8333440 7598380 46.41 269012 2998100 8340284 47.87 2198612 8549172 4952 11:00:24 6461076 9745572 6189384 37.80 270720 3027616 6925916 39.75 2212084 7152240 892 11:10:15 11187112 14582648 1354568 8.27 275432 3129696 2034208 11.68 2258696 2370868 104 11:20:01 7823672 11290968 4645208 28.37 278244 3198624 5346424 30.69 2265532 5747096 464 11:30:05 7940044 11437692 4498420 27.47 278964 3228224 5262776 30.21 2267640 5629984 428 11:40:13 6466668 9985944 5949276 36.34 279516 3249320 6720168 38.57 2269912 7090072 284 11:50:01 6428104 9973080 5962288 36.42 280324 3274212 6671904 38.30 2278372 7128148 588 12:00:26 7896872 11465364 4470664 27.30 281144 3296892 5176760 29.71 2280868 5659152 80 12:10:26 7613536 11316908 4618728 28.21 285412 3420928 5168776 29.67 2296284 5913016 412 Average: 6705613 10175801 5759210 35.17 275740 3198480 6596577 37.86 2235706 6880882 906 10:30:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:26 lo 9.73 9.73 8.40 8.40 0.00 0.00 0.00 0.00 10:40:26 ens3 37.45 27.39 634.25 2.82 0.00 0.00 0.00 0.00 10:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 42.75 42.75 22.34 22.34 0.00 0.00 0.00 0.00 10:50:01 ens3 2.30 1.78 0.53 0.42 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:24 lo 31.06 31.06 14.06 14.06 0.00 0.00 0.00 0.00 11:00:24 ens3 1.56 1.08 0.33 1.29 0.00 0.00 0.00 0.00 11:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:15 lo 11.93 11.93 5.56 5.56 0.00 0.00 0.00 0.00 11:10:15 ens3 1.20 0.76 0.32 0.24 0.00 0.00 0.00 0.00 11:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 17.23 17.23 8.54 8.54 0.00 0.00 0.00 0.00 11:20:01 ens3 1.31 0.84 0.26 0.18 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:05 lo 17.52 17.52 8.79 8.79 0.00 0.00 0.00 0.00 11:30:05 ens3 1.13 0.71 0.26 0.19 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:13 lo 27.71 27.71 11.20 11.20 0.00 0.00 0.00 0.00 11:40:13 ens3 1.08 0.47 0.23 0.14 0.00 0.00 0.00 0.00 11:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 14.79 14.79 7.54 7.54 0.00 0.00 0.00 0.00 11:50:01 ens3 1.28 0.50 0.28 0.17 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:26 lo 16.08 16.08 8.97 8.97 0.00 0.00 0.00 0.00 12:00:26 ens3 1.49 0.56 0.29 0.16 0.00 0.00 0.00 0.00 12:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:26 lo 23.21 23.21 10.96 10.96 0.00 0.00 0.00 0.00 12:10:26 ens3 1.79 0.96 0.48 0.34 0.00 0.00 0.00 0.00 12:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.16 21.16 10.61 10.61 0.00 0.00 0.00 0.00 Average: ens3 5.08 3.52 64.20 0.60 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-41913) 03/25/26 _x86_64_ (4 CPU) 10:24:18 LINUX RESTART (4 CPU) 10:30:21 CPU %user %nice %system %iowait %steal %idle 10:40:26 all 46.40 0.00 2.29 0.28 0.14 50.90 10:40:26 0 45.44 0.00 2.15 0.37 0.13 51.91 10:40:26 1 45.89 0.00 2.35 0.33 0.14 51.30 10:40:26 2 49.53 0.00 2.33 0.17 0.14 47.83 10:40:26 3 44.75 0.00 2.33 0.23 0.14 52.55 10:50:01 all 53.10 0.00 2.05 0.09 0.16 44.60 10:50:01 0 53.10 0.00 1.98 0.08 0.16 44.67 10:50:01 1 53.53 0.00 2.04 0.09 0.17 44.17 10:50:01 2 53.08 0.00 2.10 0.04 0.17 44.62 10:50:01 3 52.69 0.00 2.06 0.16 0.16 44.93 11:00:24 all 28.89 0.00 1.32 0.04 0.12 69.62 11:00:24 0 28.58 0.00 1.31 0.02 0.11 69.98 11:00:24 1 28.81 0.00 1.30 0.02 0.12 69.75 11:00:24 2 29.65 0.00 1.31 0.08 0.13 68.84 11:00:24 3 28.53 0.00 1.38 0.04 0.12 69.93 11:10:15 all 18.26 0.00 0.76 0.08 0.11 80.79 11:10:15 0 16.82 0.00 0.80 0.06 0.15 82.17 11:10:15 1 19.50 0.00 0.87 0.10 0.10 79.43 11:10:15 2 18.68 0.00 0.69 0.08 0.09 80.46 11:10:15 3 18.03 0.00 0.68 0.09 0.10 81.10 11:20:01 all 27.91 0.00 0.92 0.07 0.09 71.02 11:20:01 0 28.09 0.00 0.86 0.06 0.09 70.90 11:20:01 1 27.91 0.00 0.94 0.10 0.09 70.95 11:20:01 2 27.58 0.00 1.03 0.06 0.09 71.24 11:20:01 3 28.05 0.00 0.86 0.04 0.09 70.96 11:30:05 all 14.39 0.00 0.69 0.02 0.06 84.84 11:30:05 0 13.88 0.00 0.56 0.02 0.06 85.48 11:30:05 1 14.11 0.00 0.80 0.02 0.07 85.00 11:30:05 2 14.39 0.00 0.80 0.02 0.07 84.72 11:30:05 3 15.18 0.00 0.60 0.01 0.06 84.14 11:40:13 all 10.87 0.00 0.49 0.03 0.06 88.56 11:40:13 0 10.85 0.00 0.41 0.02 0.06 88.66 11:40:13 1 11.12 0.00 0.51 0.07 0.06 88.24 11:40:13 2 11.38 0.00 0.52 0.00 0.06 88.03 11:40:13 3 10.12 0.00 0.50 0.02 0.06 89.30 11:50:01 all 9.88 0.00 0.47 0.04 0.06 89.55 11:50:01 0 9.73 0.00 0.45 0.01 0.05 89.76 11:50:01 1 10.06 0.00 0.48 0.10 0.06 89.30 11:50:01 2 9.89 0.00 0.55 0.01 0.06 89.49 11:50:01 3 9.85 0.00 0.40 0.04 0.06 89.65 12:00:26 all 8.09 0.00 0.44 0.02 0.06 91.39 12:00:26 0 7.99 0.00 0.44 0.03 0.06 91.48 12:00:26 1 8.08 0.00 0.43 0.01 0.06 91.42 12:00:26 2 7.81 0.00 0.41 0.01 0.06 91.71 12:00:26 3 8.49 0.00 0.49 0.03 0.06 90.93 12:10:26 all 14.82 0.00 0.53 0.03 0.06 84.55 12:10:26 0 14.49 0.00 0.49 0.01 0.06 84.95 12:10:26 1 15.32 0.00 0.57 0.02 0.07 84.02 12:10:26 2 14.94 0.00 0.54 0.03 0.07 84.42 12:10:26 3 14.54 0.00 0.51 0.08 0.06 84.81 Average: all 23.11 0.00 0.99 0.07 0.09 75.74 Average: 0 22.75 0.00 0.94 0.07 0.09 76.15 Average: 1 23.27 0.00 1.03 0.09 0.09 75.53 Average: 2 23.54 0.00 1.02 0.05 0.09 75.29 Average: 3 22.87 0.00 0.98 0.07 0.09 75.99