---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54536 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 692 10534 3 4762 14954 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:42:7c:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79568sec preferred_lft 79568sec inet6 fe80::f816:3eff:fe42:7c55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:c3:be:05:b1:79 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::e8c3:beff:fe05:b179/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54536) 03/31/26 _x86_64_ (4 CPU) 10:33:06 LINUX RESTART (4 CPU) 10:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:07 77.42 3.59 70.87 2.96 158.78 27698.07 11685.81 11:00:01 54.10 23.88 28.60 1.62 293.34 1704.01 1267.60 11:10:16 7.49 0.10 6.97 0.42 5.23 263.42 222.23 11:20:29 8.46 0.01 8.01 0.43 0.55 533.80 727.68 11:30:01 19.24 0.02 18.39 0.84 0.70 576.66 398.59 11:40:07 7.22 0.01 6.93 0.28 0.58 205.86 733.31 11:50:02 6.23 0.00 5.99 0.23 0.47 163.46 182.86 12:00:01 21.66 0.12 5.76 15.78 3.04 222.76 212099.67 12:10:07 5.07 0.00 4.90 0.17 0.26 156.84 106.48 12:20:07 9.24 0.03 8.84 0.36 3.88 565.74 300.54 Average: 21.50 2.75 16.45 2.30 46.40 3205.13 22704.04 10:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:07 326296 3907468 12021976 73.43 257948 3267624 13395100 76.89 2111080 13311324 756 11:00:01 1821412 5416472 10514940 64.22 269308 3294996 11264352 64.66 2183996 11767100 596 11:10:16 7697260 11316604 4619800 28.22 270424 3318216 5455160 31.31 2204240 5900352 300 11:20:29 8566356 12282748 3654264 22.32 274452 3407112 4458980 25.59 2234212 4996964 124 11:30:01 9065816 12859012 3078408 18.80 277708 3480628 3843816 22.06 2258920 4478232 400 11:40:07 7497484 11317996 4618168 28.21 278452 3507200 5335980 30.63 2260612 6028280 276 11:50:02 9893648 13749688 2187968 13.36 279072 3542124 3539968 20.32 2263264 3649948 17328 12:00:01 6181772 10065184 5870284 35.85 281976 3566592 6723980 38.60 2274144 7321056 364 12:10:07 7519868 11426704 4509472 27.54 282648 3589328 5287144 30.35 2276336 5999836 128 12:20:07 7263740 11302912 4632564 28.29 286756 3711720 5246916 30.12 2291288 6222832 508 Average: 6583365 10364479 5570784 34.02 275874 3468554 6455140 37.05 2235809 6967592 2078 10:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:07 lo 13.74 13.74 11.30 11.30 0.00 0.00 0.00 0.00 10:50:07 ens3 36.28 26.72 645.02 2.99 0.00 0.00 0.00 0.00 10:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 40.16 40.16 20.35 20.35 0.00 0.00 0.00 0.00 11:00:01 ens3 2.09 1.95 0.47 0.42 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:16 lo 24.28 24.28 9.90 9.90 0.00 0.00 0.00 0.00 11:10:16 ens3 2.24 1.12 0.40 1.35 0.00 0.00 0.00 0.00 11:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:29 lo 11.36 11.36 5.80 5.80 0.00 0.00 0.00 0.00 11:20:29 ens3 0.86 0.55 0.24 0.17 0.00 0.00 0.00 0.00 11:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 12.48 12.48 7.30 7.30 0.00 0.00 0.00 0.00 11:30:01 ens3 0.99 0.94 0.19 0.16 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:07 lo 19.76 19.76 9.50 9.50 0.00 0.00 0.00 0.00 11:40:07 ens3 1.24 0.64 0.25 0.16 0.00 0.00 0.00 0.00 11:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:02 lo 28.23 28.23 9.88 9.88 0.00 0.00 0.00 0.00 11:50:02 ens3 0.82 0.47 0.19 0.13 0.00 0.00 0.00 0.00 11:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 19.22 19.22 10.91 10.91 0.00 0.00 0.00 0.00 12:00:01 ens3 0.93 0.63 0.23 0.17 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:07 lo 17.83 17.83 9.93 9.93 0.00 0.00 0.00 0.00 12:10:07 ens3 1.18 0.60 0.27 0.18 0.00 0.00 0.00 0.00 12:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:07 lo 21.22 21.22 10.26 10.26 0.00 0.00 0.00 0.00 12:20:07 ens3 1.22 0.96 0.32 0.26 0.00 0.00 0.00 0.00 12:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.83 20.83 10.51 10.51 0.00 0.00 0.00 0.00 Average: ens3 4.78 3.46 64.72 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-54536) 03/31/26 _x86_64_ (4 CPU) 10:33:06 LINUX RESTART (4 CPU) 10:40:07 CPU %user %nice %system %iowait %steal %idle 10:50:07 all 49.24 0.00 2.29 2.08 0.33 46.05 10:50:07 0 49.68 0.00 2.16 2.76 0.28 45.12 10:50:07 1 51.86 0.00 2.28 1.49 0.30 44.08 10:50:07 2 47.04 0.00 2.19 2.47 0.35 47.95 10:50:07 3 48.40 0.00 2.53 1.60 0.41 47.06 11:00:01 all 52.25 0.00 1.98 0.86 0.88 44.03 11:00:01 0 51.91 0.00 2.02 0.64 0.78 44.65 11:00:01 1 51.98 0.00 1.98 1.16 1.10 43.79 11:00:01 2 52.91 0.00 2.04 0.77 0.73 43.55 11:00:01 3 52.22 0.00 1.88 0.87 0.90 44.13 11:10:16 all 17.21 0.00 0.91 0.15 0.13 81.60 11:10:16 0 17.17 0.00 0.85 0.31 0.09 81.58 11:10:16 1 16.74 0.00 1.03 0.22 0.10 81.91 11:10:16 2 17.34 0.00 0.87 0.03 0.15 81.61 11:10:16 3 17.58 0.00 0.90 0.05 0.16 81.31 11:20:29 all 16.93 0.00 0.68 0.17 0.18 82.05 11:20:29 0 16.32 0.00 0.67 0.04 0.19 82.78 11:20:29 1 16.76 0.00 0.71 0.28 0.18 82.07 11:20:29 2 17.30 0.00 0.68 0.24 0.18 81.59 11:20:29 3 17.33 0.00 0.66 0.11 0.15 81.74 11:30:01 all 30.38 0.00 1.01 0.11 0.10 68.39 11:30:01 0 29.14 0.00 1.01 0.18 0.08 69.58 11:30:01 1 30.34 0.00 1.02 0.08 0.15 68.41 11:30:01 2 30.43 0.00 0.98 0.06 0.09 68.43 11:30:01 3 31.62 0.00 1.02 0.14 0.08 67.14 11:40:07 all 14.53 0.00 0.60 0.05 0.06 84.76 11:40:07 0 13.96 0.00 0.51 0.02 0.06 85.44 11:40:07 1 14.36 0.00 0.61 0.04 0.06 84.93 11:40:07 2 14.84 0.00 0.73 0.04 0.06 84.33 11:40:07 3 14.96 0.00 0.56 0.08 0.06 84.34 11:50:02 all 11.10 0.00 0.58 0.02 0.06 88.24 11:50:02 0 11.47 0.00 0.57 0.01 0.05 87.91 11:50:02 1 11.43 0.00 0.61 0.04 0.06 87.86 11:50:02 2 11.05 0.00 0.62 0.02 0.06 88.26 11:50:02 3 10.44 0.00 0.55 0.02 0.06 88.93 12:00:01 all 15.55 0.00 0.75 0.23 0.08 83.39 12:00:01 0 15.57 0.00 0.78 0.28 0.08 83.30 12:00:01 1 16.34 0.00 0.73 0.15 0.08 82.71 12:00:01 2 15.57 0.00 0.74 0.05 0.08 83.56 12:00:01 3 14.72 0.00 0.75 0.46 0.07 84.00 12:10:07 all 9.70 0.00 0.52 0.20 0.10 89.48 12:10:07 0 9.46 0.00 0.49 0.13 0.08 89.84 12:10:07 1 9.37 0.00 0.52 0.27 0.12 89.72 12:10:07 2 9.91 0.00 0.52 0.05 0.11 89.41 12:10:07 3 10.07 0.00 0.55 0.34 0.08 88.95 12:20:07 all 15.93 0.00 0.71 0.13 0.09 83.15 12:20:07 0 16.09 0.00 0.82 0.12 0.08 82.89 12:20:07 1 15.67 0.00 0.66 0.11 0.09 83.47 12:20:07 2 16.00 0.00 0.70 0.07 0.09 83.13 12:20:07 3 15.95 0.00 0.63 0.23 0.09 83.10 Average: all 23.17 0.00 1.00 0.40 0.20 75.23 Average: 0 22.97 0.00 0.99 0.45 0.17 75.42 Average: 1 23.38 0.00 1.01 0.38 0.22 75.01 Average: 2 23.11 0.00 1.00 0.38 0.19 75.31 Average: 3 23.23 0.00 1.00 0.39 0.21 75.17