---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-66254 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 724 10750 3 4513 14922 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:7b:d2:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79680sec preferred_lft 79680sec inet6 fe80::f816:3eff:fe7b:d288/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:d1:28:1e:6a:77 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::dcd1:28ff:fe1e:6a77/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-66254) 04/03/26 _x86_64_ (4 CPU) 17:12:07 LINUX RESTART (4 CPU) 17:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:30:01 94.73 23.49 52.91 18.34 335.48 5481.80 214964.56 17:40:10 11.57 0.05 10.93 0.60 1.83 291.39 254.18 17:50:00 8.11 0.08 7.59 0.44 3.32 262.42 1442.00 18:00:01 20.32 0.12 19.35 0.85 12.00 803.98 939.97 18:10:10 9.53 0.01 9.15 0.37 0.49 318.57 272.06 18:20:00 5.03 0.01 4.83 0.19 0.26 140.55 96.02 18:30:01 4.74 0.01 4.56 0.17 1.48 144.81 76.84 18:40:03 6.00 0.00 5.82 0.17 0.32 160.61 94.97 18:50:01 12.90 0.03 12.36 0.51 3.98 688.70 430.55 19:00:01 5.31 0.00 5.13 0.17 0.19 165.71 81.71 Average: 17.84 2.38 13.28 2.18 35.94 846.33 21870.61 17:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:30:01 2670356 6005892 9926000 60.62 267008 3046928 11611004 66.65 1981732 11129988 528 17:40:10 3722384 7076760 8856488 54.09 268680 3064128 9525616 54.68 2000716 10050520 180 17:50:00 6376408 9753668 6182244 37.76 269976 3085736 7056032 40.50 2007852 7422160 336 18:00:01 10069484 13598980 2339492 14.29 275632 3232284 3087700 17.72 2048216 3686844 11584 18:10:10 7887784 11456408 4480512 27.37 276696 3270348 5202312 29.86 2050976 5874052 368 18:20:00 7730140 11316836 4619964 28.22 277136 3287980 5325260 30.57 2052092 6026332 36 18:30:01 6323428 9930788 6005208 36.68 277752 3308032 6818116 39.14 2054588 7427332 376 18:40:03 6231080 9859376 6076504 37.11 278480 3328244 6821436 39.15 2058212 7507340 340 18:50:01 7597548 11377988 4558964 27.84 283240 3471408 5305236 30.45 2075608 6127044 396 19:00:01 6961728 10768032 5168540 31.57 283732 3496620 5907232 33.91 2086508 6757180 760 Average: 6557034 10114473 5821392 35.55 275833 3259171 6665994 38.26 2041650 7200879 1490 17:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:30:01 lo 30.02 30.02 21.30 21.30 0.00 0.00 0.00 0.00 17:30:01 ens3 2.26 2.19 0.64 1.20 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:10 lo 42.05 42.05 16.23 16.23 0.00 0.00 0.00 0.00 17:40:10 ens3 1.27 1.03 0.30 0.41 0.00 0.00 0.00 0.00 17:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:00 lo 12.92 12.92 7.15 7.15 0.00 0.00 0.00 0.00 17:50:00 ens3 0.63 0.45 0.15 0.11 0.00 0.00 0.00 0.00 17:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 12.57 12.57 6.21 6.21 0.00 0.00 0.00 0.00 18:00:01 ens3 0.99 0.83 0.27 0.22 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:10 lo 19.93 19.93 10.43 10.43 0.00 0.00 0.00 0.00 18:10:10 ens3 0.77 0.77 0.16 0.14 0.00 0.00 0.00 0.00 18:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:00 lo 23.19 23.19 8.52 8.52 0.00 0.00 0.00 0.00 18:20:00 ens3 0.55 0.46 0.12 0.09 0.00 0.00 0.00 0.00 18:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 lo 24.27 24.27 11.11 11.11 0.00 0.00 0.00 0.00 18:30:01 ens3 0.75 0.59 0.20 0.15 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 18:40:03 lo 12.46 12.46 7.85 7.85 0.00 0.00 0.00 0.00 18:40:03 ens3 0.60 0.44 0.14 0.10 0.00 0.00 0.00 0.00 18:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 19.37 19.37 10.87 10.87 0.00 0.00 0.00 0.00 18:50:01 ens3 0.98 0.80 0.27 0.21 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 lo 17.29 17.29 7.15 7.15 0.00 0.00 0.00 0.00 19:00:01 ens3 0.62 0.51 0.15 0.12 0.00 0.00 0.00 0.00 19:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.44 21.44 10.70 10.70 0.00 0.00 0.00 0.00 Average: ens3 0.94 0.81 0.24 0.28 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-66254) 04/03/26 _x86_64_ (4 CPU) 17:12:07 LINUX RESTART (4 CPU) 17:20:01 CPU %user %nice %system %iowait %steal %idle 17:30:01 all 64.27 0.00 2.36 0.26 0.10 33.01 17:30:01 0 64.97 0.00 2.21 0.18 0.10 32.54 17:30:01 1 62.81 0.00 2.57 0.24 0.10 34.29 17:30:01 2 64.88 0.00 2.36 0.17 0.10 32.50 17:30:01 3 64.43 0.00 2.29 0.45 0.10 32.73 17:40:10 all 22.19 0.00 0.89 0.07 0.09 76.76 17:40:10 0 22.23 0.00 0.87 0.03 0.09 76.78 17:40:10 1 22.02 0.00 0.89 0.14 0.09 76.86 17:40:10 2 21.86 0.00 0.98 0.08 0.09 76.99 17:40:10 3 22.67 0.00 0.83 0.02 0.09 76.40 17:50:00 all 16.42 0.00 0.63 0.06 0.08 82.81 17:50:00 0 16.43 0.00 0.70 0.13 0.07 82.67 17:50:00 1 16.40 0.00 0.50 0.05 0.08 82.97 17:50:00 2 16.50 0.00 0.65 0.01 0.08 82.76 17:50:00 3 16.36 0.00 0.66 0.04 0.08 82.86 18:00:01 all 27.95 0.00 0.96 0.14 0.08 70.88 18:00:01 0 28.64 0.00 0.94 0.07 0.08 70.26 18:00:01 1 27.20 0.00 0.93 0.34 0.08 71.44 18:00:01 2 28.39 0.00 1.03 0.09 0.08 70.41 18:00:01 3 27.55 0.00 0.93 0.04 0.08 71.39 18:10:10 all 17.83 0.00 0.56 0.09 0.08 81.44 18:10:10 0 17.57 0.00 0.48 0.27 0.08 81.60 18:10:10 1 18.04 0.00 0.73 0.03 0.09 81.12 18:10:10 2 17.60 0.00 0.52 0.04 0.08 81.76 18:10:10 3 18.09 0.00 0.53 0.03 0.08 81.28 18:20:00 all 8.24 0.00 0.38 0.05 0.07 91.26 18:20:00 0 8.29 0.00 0.37 0.04 0.07 91.24 18:20:00 1 8.36 0.00 0.38 0.04 0.08 91.15 18:20:00 2 8.32 0.00 0.40 0.01 0.07 91.20 18:20:00 3 7.98 0.00 0.39 0.12 0.07 91.45 18:30:01 all 10.10 0.00 0.42 0.03 0.08 89.37 18:30:01 0 9.73 0.00 0.37 0.04 0.07 89.79 18:30:01 1 10.14 0.00 0.46 0.03 0.08 89.30 18:30:01 2 9.91 0.00 0.41 0.00 0.08 89.60 18:30:01 3 10.64 0.00 0.45 0.03 0.08 88.80 18:40:03 all 9.20 0.00 0.44 0.08 0.07 90.21 18:40:03 0 9.24 0.00 0.43 0.17 0.07 90.09 18:40:03 1 9.64 0.00 0.51 0.09 0.07 89.69 18:40:03 2 8.99 0.00 0.44 0.04 0.08 90.45 18:40:03 3 8.92 0.00 0.39 0.00 0.06 90.63 18:50:01 all 19.16 0.00 0.73 0.09 0.08 79.94 18:50:01 0 19.06 0.00 0.62 0.19 0.08 80.06 18:50:01 1 18.56 0.00 0.80 0.06 0.08 80.49 18:50:01 2 20.50 0.00 0.82 0.10 0.08 78.49 18:50:01 3 18.52 0.00 0.67 0.03 0.08 80.70 19:00:01 all 8.68 0.00 0.38 0.07 0.07 90.80 19:00:01 0 8.68 0.00 0.39 0.05 0.08 90.80 19:00:01 1 8.39 0.00 0.42 0.07 0.08 91.04 19:00:01 2 9.09 0.00 0.32 0.07 0.07 90.46 19:00:01 3 8.56 0.00 0.40 0.09 0.07 90.88 Average: all 20.42 0.00 0.78 0.09 0.08 78.63 Average: 0 20.50 0.00 0.74 0.12 0.08 78.57 Average: 1 20.17 0.00 0.82 0.11 0.08 78.81 Average: 2 20.63 0.00 0.79 0.06 0.08 78.44 Average: 3 20.40 0.00 0.75 0.08 0.08 78.69