---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15125 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 61G 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 690 11536 3 3762 14956 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:f9:da:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80732sec preferred_lft 80732sec inet6 fe80::f816:3eff:fef9:da2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:d6:97:46:00:f5 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-15125) 02/19/26 _x86_64_ (4 CPU) 10:04:21 LINUX RESTART (4 CPU) 10:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:11 100.54 23.20 73.55 3.79 363.96 12104.01 6180.47 10:30:11 29.71 8.80 19.86 1.05 165.67 522.62 1140.47 10:40:10 8.04 0.21 7.38 0.44 13.96 263.60 1240.89 10:50:17 10.92 0.07 10.36 0.50 1.11 590.68 739.39 11:00:11 16.35 0.02 15.64 0.69 1.29 505.76 321.31 11:10:17 5.53 0.00 5.38 0.15 0.26 135.92 101.21 11:20:10 7.40 0.02 7.12 0.26 0.71 419.67 34.96 11:30:10 5.35 0.01 5.22 0.13 0.77 137.50 48.58 Average: 23.10 4.07 18.15 0.88 68.96 1851.90 1234.80 10:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:11 987300 5006884 10921464 66.70 260472 3694380 11775308 67.59 2190428 12553900 228 10:30:11 3705748 6501964 9434656 57.62 258192 2580204 11044280 63.39 2195028 9944404 284 10:40:10 5958232 8781452 7157252 43.71 259132 2606284 8476520 48.66 2203696 7699316 144 10:50:17 8663560 11594116 4345760 26.54 263644 2709204 5099040 29.27 2241544 4961736 36 11:00:11 8491804 11495336 4444472 27.15 266264 2779560 5224340 29.99 2247372 5132648 48 11:10:17 8548216 11565768 4374036 26.71 266756 2793092 5133884 29.47 2248692 5074808 296 11:20:10 8306096 11412616 4527032 27.65 269920 2878916 5238672 30.07 2254180 5304264 64 11:30:10 8123204 11246536 4693020 28.66 270452 2895172 5295416 30.40 2262312 5472632 564 Average: 6598020 9700584 6237212 38.09 264354 2867102 7160932 41.10 2230406 7017964 208 10:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:11 lo 16.51 16.51 14.98 14.98 0.00 0.00 0.00 0.00 10:20:11 ens3 27.21 16.45 410.07 3.38 0.00 0.00 0.00 0.00 10:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:11 lo 39.03 39.03 17.35 17.35 0.00 0.00 0.00 0.00 10:30:11 ens3 2.57 1.47 0.52 0.36 0.00 0.00 0.00 0.00 10:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:10 lo 27.12 27.12 12.20 12.20 0.00 0.00 0.00 0.00 10:40:10 ens3 1.15 0.65 0.24 0.16 0.00 0.00 0.00 0.00 10:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:17 lo 11.22 11.22 5.23 5.23 0.00 0.00 0.00 0.00 10:50:17 ens3 1.60 0.71 0.38 0.23 0.00 0.00 0.00 0.00 10:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:11 lo 12.96 12.96 7.21 7.21 0.00 0.00 0.00 0.00 11:00:11 ens3 0.89 0.59 0.15 0.12 0.00 0.00 0.00 0.00 11:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:17 lo 6.88 6.88 2.73 2.73 0.00 0.00 0.00 0.00 11:10:17 ens3 0.88 0.46 0.19 0.14 0.00 0.00 0.00 0.00 11:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:10 lo 8.04 8.04 4.55 4.55 0.00 0.00 0.00 0.00 11:20:10 ens3 1.34 0.66 0.34 0.32 0.00 0.00 0.00 0.00 11:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:10 lo 16.47 16.47 6.79 6.79 0.00 0.00 0.00 0.00 11:30:10 ens3 0.83 0.52 0.20 0.14 0.00 0.00 0.00 0.00 11:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.27 17.27 8.89 8.89 0.00 0.00 0.00 0.00 Average: ens3 4.60 2.71 52.11 0.61 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-15125) 02/19/26 _x86_64_ (4 CPU) 10:04:21 LINUX RESTART (4 CPU) 10:10:03 CPU %user %nice %system %iowait %steal %idle 10:20:11 all 49.13 0.00 2.01 0.45 0.12 48.29 10:20:11 0 49.64 0.00 1.90 0.47 0.12 47.87 10:20:11 1 48.55 0.00 2.11 0.41 0.13 48.80 10:20:11 2 49.82 0.00 1.95 0.44 0.12 47.66 10:20:11 3 48.51 0.00 2.09 0.47 0.11 48.81 10:30:11 all 45.24 0.00 1.67 0.19 0.14 52.76 10:30:11 0 44.79 0.00 1.70 0.40 0.13 52.98 10:30:11 1 44.81 0.00 1.62 0.15 0.14 53.29 10:30:11 2 45.76 0.00 1.67 0.05 0.13 52.39 10:30:11 3 45.62 0.00 1.68 0.15 0.14 52.41 10:40:10 all 18.76 0.00 0.87 0.07 0.11 80.19 10:40:10 0 18.42 0.00 0.85 0.09 0.11 80.54 10:40:10 1 18.71 0.00 0.86 0.07 0.12 80.24 10:40:10 2 18.65 0.00 0.93 0.02 0.12 80.28 10:40:10 3 19.27 0.00 0.84 0.07 0.11 79.71 10:50:17 all 15.63 0.00 0.68 0.12 0.10 83.48 10:50:17 0 15.77 0.00 0.74 0.07 0.10 83.33 10:50:17 1 16.36 0.00 0.72 0.05 0.11 82.76 10:50:17 2 15.83 0.00 0.57 0.30 0.10 83.20 10:50:17 3 14.56 0.00 0.68 0.05 0.09 84.63 11:00:11 all 24.86 0.00 0.87 0.06 0.10 74.10 11:00:11 0 24.93 0.00 0.91 0.02 0.10 74.05 11:00:11 1 24.20 0.00 0.89 0.03 0.11 74.77 11:00:11 2 25.38 0.00 0.89 0.15 0.11 73.47 11:00:11 3 24.95 0.00 0.80 0.06 0.10 74.09 11:10:17 all 8.16 0.00 0.37 2.62 0.09 88.75 11:10:17 0 8.01 0.00 0.39 5.53 0.08 85.98 11:10:17 1 8.02 0.00 0.42 0.07 0.11 91.38 11:10:17 2 8.29 0.00 0.32 4.85 0.10 86.44 11:10:17 3 8.33 0.00 0.36 0.03 0.08 91.19 11:20:10 all 7.05 0.00 0.32 0.04 0.09 92.50 11:20:10 0 6.48 0.00 0.33 0.08 0.09 93.02 11:20:10 1 6.97 0.00 0.26 0.01 0.09 92.66 11:20:10 2 7.58 0.00 0.38 0.04 0.09 91.91 11:20:10 3 7.18 0.00 0.31 0.02 0.09 92.41 11:30:10 all 8.20 0.00 0.39 0.07 0.09 91.26 11:30:10 0 7.77 0.00 0.29 0.15 0.07 91.71 11:30:10 1 8.85 0.00 0.46 0.03 0.10 90.56 11:30:10 2 8.21 0.00 0.39 0.05 0.08 91.27 11:30:10 3 7.96 0.00 0.41 0.03 0.10 91.50 Average: all 22.16 0.00 0.90 0.45 0.11 76.38 Average: 0 22.01 0.00 0.89 0.86 0.10 76.15 Average: 1 22.09 0.00 0.92 0.10 0.11 76.77 Average: 2 22.46 0.00 0.89 0.74 0.11 75.80 Average: 3 22.08 0.00 0.90 0.11 0.10 76.81