---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-38530 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 713 10281 4 4994 14933 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:bf:97:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79588sec preferred_lft 79588sec inet6 fe80::f816:3eff:febf:97a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:f3:3b:43:7d:d4 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-38530) 03/25/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:02 98.33 24.05 70.99 3.29 424.14 12599.79 6227.58 10:20:01 23.20 2.12 20.05 1.04 24.85 538.13 943.15 10:30:08 10.13 0.03 9.54 0.55 2.23 327.23 466.81 10:40:15 13.23 0.01 12.66 0.55 0.76 627.47 937.89 10:50:01 16.48 0.02 15.72 0.74 1.26 523.35 321.75 11:00:15 5.42 0.00 5.26 0.16 0.16 142.04 87.76 11:10:08 20.55 0.05 4.98 15.51 1.58 156.61 213239.00 11:20:01 5.53 0.01 5.34 0.18 0.58 155.89 249.82 11:30:10 7.80 0.03 7.47 0.30 3.88 220.85 132.24 11:40:15 7.47 0.01 7.20 0.26 0.73 515.49 73.13 Average: 20.78 2.64 15.91 2.23 46.05 1581.66 21965.84 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:02 3410304 7194504 8735356 53.35 267504 3469436 9595016 55.08 2319448 10016524 992 10:20:01 3309528 7127740 8803768 53.77 271288 3498576 9533092 54.72 2419564 10024236 724 10:30:08 1728784 5570348 10360264 63.28 272612 3520584 11029184 63.31 2426360 11602904 376 10:40:15 9820116 13788508 2147184 13.11 277492 3637312 2864896 16.44 2475352 3489416 132 10:50:01 7463216 11507408 4427300 27.04 280060 3710320 5409852 31.05 2481120 5833212 464 11:00:15 7192996 11255016 4679380 28.58 280604 3727540 5364980 30.79 2482116 6098880 412 11:10:08 5839080 9926896 6006560 36.69 281264 3752644 6753036 38.76 2489280 7442668 172 11:20:01 5784204 9893568 6039796 36.89 281844 3773548 6780476 38.92 2492684 7486772 336 11:30:10 10038360 14278592 1656504 10.12 285900 3894208 2853100 16.38 2500836 3239236 100316 11:40:15 7035688 11303508 4630244 28.28 286968 3920628 5199612 29.85 2510276 6217600 224 Average: 6162228 10184609 5748636 35.11 278554 3690480 6538324 37.53 2459704 7145145 10415 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:02 lo 15.22 15.22 14.52 14.52 0.00 0.00 0.00 0.00 10:10:02 ens3 37.69 28.19 642.77 3.18 0.00 0.00 0.00 0.00 10:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 38.35 38.35 18.02 18.02 0.00 0.00 0.00 0.00 10:20:01 ens3 2.44 1.52 0.53 0.39 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:08 lo 31.45 31.45 13.31 13.31 0.00 0.00 0.00 0.00 10:30:08 ens3 1.64 0.70 0.34 0.20 0.00 0.00 0.00 0.00 10:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:15 lo 9.53 9.53 4.59 4.59 0.00 0.00 0.00 0.00 10:40:15 ens3 0.94 0.84 0.22 0.19 0.00 0.00 0.00 0.00 10:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 17.73 17.73 9.10 9.10 0.00 0.00 0.00 0.00 10:50:01 ens3 1.82 1.63 0.30 1.49 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 11:00:15 lo 21.62 21.62 9.18 9.18 0.00 0.00 0.00 0.00 11:00:15 ens3 1.13 0.63 0.28 0.19 0.00 0.00 0.00 0.00 11:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:08 lo 25.42 25.42 10.77 10.77 0.00 0.00 0.00 0.00 11:10:08 ens3 0.96 0.52 0.22 0.15 0.00 0.00 0.00 0.00 11:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 14.30 14.30 7.55 7.55 0.00 0.00 0.00 0.00 11:20:01 ens3 1.00 0.46 0.19 0.12 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 11:30:10 lo 14.92 14.92 8.29 8.29 0.00 0.00 0.00 0.00 11:30:10 ens3 1.20 0.84 0.34 0.25 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 11:40:15 lo 23.05 23.05 10.82 10.82 0.00 0.00 0.00 0.00 11:40:15 ens3 1.33 0.70 0.28 0.19 0.00 0.00 0.00 0.00 11:40:15 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 5.02 3.60 64.62 0.63 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-38530) 03/25/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:02 all 46.87 0.00 1.92 0.93 0.11 50.17 10:10:02 0 47.58 0.00 1.75 0.57 0.10 49.99 10:10:02 1 45.81 0.00 2.12 0.57 0.11 51.39 10:10:02 2 45.42 0.00 1.84 2.03 0.11 50.60 10:10:02 3 48.68 0.00 1.96 0.54 0.11 48.71 10:20:01 all 44.17 0.00 1.58 0.11 0.11 54.02 10:20:01 0 44.61 0.00 1.60 0.03 0.10 53.66 10:20:01 1 44.58 0.00 1.62 0.08 0.11 53.61 10:20:01 2 43.71 0.00 1.59 0.16 0.11 54.43 10:20:01 3 43.80 0.00 1.51 0.19 0.12 54.39 10:30:08 all 24.10 0.00 1.00 0.11 0.09 74.70 10:30:08 0 24.26 0.00 1.05 0.11 0.10 74.48 10:30:08 1 24.11 0.00 0.94 0.09 0.09 74.77 10:30:08 2 24.44 0.00 1.06 0.03 0.09 74.38 10:30:08 3 23.59 0.00 0.93 0.22 0.09 75.17 10:40:15 all 18.72 0.00 0.68 0.30 0.07 80.23 10:40:15 0 20.10 0.00 0.77 0.42 0.07 78.65 10:40:15 1 17.60 0.00 0.72 0.09 0.07 81.52 10:40:15 2 18.73 0.00 0.71 0.16 0.08 80.32 10:40:15 3 18.44 0.00 0.54 0.51 0.06 80.45 10:50:01 all 27.62 0.00 0.92 0.09 0.08 71.30 10:50:01 0 28.08 0.00 0.84 0.02 0.07 70.99 10:50:01 1 26.98 0.00 1.06 0.22 0.08 71.66 10:50:01 2 27.31 0.00 0.87 0.01 0.08 71.73 10:50:01 3 28.08 0.00 0.92 0.09 0.08 70.84 11:00:15 all 9.22 0.00 0.37 0.02 0.07 90.32 11:00:15 0 9.44 0.00 0.32 0.02 0.06 90.16 11:00:15 1 8.89 0.00 0.41 0.05 0.07 90.58 11:00:15 2 9.45 0.00 0.37 0.01 0.07 90.10 11:00:15 3 9.09 0.00 0.39 0.02 0.07 90.44 11:10:08 all 10.56 0.00 0.50 0.09 0.07 88.79 11:10:08 0 10.84 0.00 0.51 0.21 0.07 88.37 11:10:08 1 9.87 0.00 0.52 0.01 0.07 89.53 11:10:08 2 10.96 0.00 0.50 0.04 0.07 88.42 11:10:08 3 10.55 0.00 0.46 0.09 0.07 88.82 11:20:01 all 10.74 0.00 0.56 0.11 0.07 88.52 11:20:01 0 10.25 0.00 0.58 0.07 0.07 89.03 11:20:01 1 11.05 0.00 0.52 0.11 0.07 88.25 11:20:01 2 11.47 0.00 0.71 0.01 0.08 87.73 11:20:01 3 10.18 0.00 0.44 0.25 0.06 89.07 11:30:10 all 10.52 0.00 0.52 0.13 0.07 88.77 11:30:10 0 10.18 0.00 0.55 0.13 0.07 89.08 11:30:10 1 10.73 0.00 0.50 0.06 0.07 88.65 11:30:10 2 10.76 0.00 0.47 0.07 0.07 88.63 11:30:10 3 10.41 0.00 0.53 0.25 0.07 88.74 11:40:15 all 12.33 0.00 0.41 0.02 0.07 87.17 11:40:15 0 12.17 0.00 0.42 0.04 0.07 87.30 11:40:15 1 12.79 0.00 0.42 0.01 0.07 86.71 11:40:15 2 12.84 0.00 0.40 0.02 0.07 86.67 11:40:15 3 11.51 0.00 0.39 0.02 0.07 88.01 Average: all 21.44 0.00 0.84 0.19 0.08 77.44 Average: 0 21.71 0.00 0.84 0.16 0.08 77.21 Average: 1 21.21 0.00 0.88 0.13 0.08 77.70 Average: 2 21.47 0.00 0.85 0.25 0.08 77.34 Average: 3 21.39 0.00 0.81 0.22 0.08 77.51