---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-41916 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 685 11320 4 3983 14961 Swap: 1023 30 993 ---> 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:c6:b0:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79486sec preferred_lft 79486sec inet6 fe80::f816:3eff:fec6:b016/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:90:83:f7:29:90 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-41916) 03/25/26 _x86_64_ (4 CPU) 10:24:14 LINUX RESTART (4 CPU) 10:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:02 117.78 24.52 89.51 3.75 340.46 25305.17 24243.84 10:50:02 25.72 5.81 18.80 1.10 113.78 586.24 1221.51 11:00:21 12.51 4.09 8.02 0.40 67.93 260.84 1281.86 11:10:23 11.53 0.72 10.33 0.48 26.88 555.12 705.75 11:20:24 14.07 0.31 13.20 0.56 10.13 414.87 221.64 11:30:22 7.48 0.47 6.75 0.27 15.55 207.15 86.93 11:40:22 7.21 0.20 6.74 0.27 6.48 235.63 129.82 11:50:23 6.38 0.36 5.78 0.24 7.10 166.34 55.06 12:00:18 2.74 0.24 2.48 0.01 7.26 40.24 0.07 12:10:04 12.35 0.26 11.55 0.53 9.32 707.61 747.65 Average: 21.79 3.71 17.32 0.76 60.68 2848.23 2872.74 10:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:02 1489032 4223180 11711556 71.53 264304 2507676 13151276 75.49 1982048 12371076 2164 10:50:02 4564644 7341516 8595228 52.50 267632 2548008 9439620 54.18 2048456 9244080 728 11:00:21 5871624 8672936 7266272 44.38 268780 2571308 8786824 50.44 2067384 7918416 304 11:10:23 12438632 15360776 581092 3.55 273528 2687416 1348056 7.74 2100444 1333552 10488 11:20:24 9936944 12908256 3032788 18.52 275568 2734544 3757908 21.57 2107456 3837088 216 11:30:22 8258120 11257796 4682332 28.60 276280 2762200 5485976 31.49 2113928 5503068 84 11:40:22 7607888 10643740 5296436 32.35 276784 2797868 6490684 37.26 2118200 6142376 344 11:50:23 7001808 10060176 5879268 35.91 277504 2819660 6639352 38.11 2123728 6745396 388 12:00:18 6780636 9841020 6098288 37.25 277812 2821384 6820780 39.15 2126184 6960616 88 12:10:04 8164504 11373508 4566712 27.89 282624 2965120 5239540 30.07 2144088 5561892 228 Average: 7211383 10168290 5770997 35.25 274082 2721518 6716002 38.55 2093192 6561756 1503 10:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:02 lo 17.30 17.30 15.28 15.28 0.00 0.00 0.00 0.00 10:40:02 ens3 36.60 27.50 644.51 3.11 0.00 0.00 0.00 0.00 10:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:02 lo 45.87 45.87 20.24 20.24 0.00 0.00 0.00 0.00 10:50:02 ens3 2.28 1.68 0.47 0.37 0.00 0.00 0.00 0.00 10:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:21 lo 17.91 17.91 8.11 8.11 0.00 0.00 0.00 0.00 11:00:21 ens3 1.49 1.11 0.27 1.26 0.00 0.00 0.00 0.00 11:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:23 lo 13.03 13.03 6.06 6.06 0.00 0.00 0.00 0.00 11:10:23 ens3 1.17 0.81 0.32 0.24 0.00 0.00 0.00 0.00 11:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:24 lo 8.55 8.55 5.34 5.34 0.00 0.00 0.00 0.00 11:20:24 ens3 1.08 0.56 0.21 0.13 0.00 0.00 0.00 0.00 11:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:22 lo 18.77 18.77 8.93 8.93 0.00 0.00 0.00 0.00 11:30:22 ens3 1.12 0.70 0.26 0.18 0.00 0.00 0.00 0.00 11:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:22 lo 27.91 27.91 9.69 9.69 0.00 0.00 0.00 0.00 11:40:22 ens3 1.10 0.48 0.23 0.14 0.00 0.00 0.00 0.00 11:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:23 lo 21.78 21.78 12.07 12.07 0.00 0.00 0.00 0.00 11:50:23 ens3 1.39 0.79 0.31 0.20 0.00 0.00 0.00 0.00 11:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:18 lo 12.93 12.93 7.07 7.07 0.00 0.00 0.00 0.00 12:00:18 ens3 1.36 0.48 0.26 0.14 0.00 0.00 0.00 0.00 12:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:04 lo 17.27 17.27 9.68 9.68 0.00 0.00 0.00 0.00 12:10:04 ens3 1.78 0.96 0.48 0.34 0.00 0.00 0.00 0.00 12:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.13 20.13 10.24 10.24 0.00 0.00 0.00 0.00 Average: ens3 4.94 3.51 64.76 0.62 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-41916) 03/25/26 _x86_64_ (4 CPU) 10:24:14 LINUX RESTART (4 CPU) 10:30:02 CPU %user %nice %system %iowait %steal %idle 10:40:02 all 56.56 0.00 2.44 0.87 0.16 39.97 10:40:02 0 58.07 0.00 2.29 0.52 0.14 38.99 10:40:02 1 56.69 0.00 2.48 1.03 0.19 39.61 10:40:02 2 55.29 0.00 2.53 1.10 0.16 40.93 10:40:02 3 56.20 0.00 2.45 0.84 0.17 40.34 10:50:02 all 46.06 0.00 1.74 0.23 0.15 51.83 10:50:02 0 46.58 0.00 1.75 0.09 0.20 51.37 10:50:02 1 46.08 0.00 1.78 0.19 0.13 51.83 10:50:02 2 45.80 0.00 1.71 0.40 0.12 51.97 10:50:02 3 45.79 0.00 1.73 0.22 0.13 52.14 11:00:21 all 20.12 0.00 1.07 0.18 0.11 78.53 11:00:21 0 19.38 0.00 1.03 0.15 0.10 79.34 11:00:21 1 19.97 0.00 1.22 0.40 0.11 78.31 11:00:21 2 20.87 0.00 1.01 0.07 0.11 77.94 11:00:21 3 20.26 0.00 1.02 0.08 0.11 78.52 11:10:23 all 18.00 0.00 0.80 0.09 0.09 81.02 11:10:23 0 17.80 0.00 0.88 0.11 0.08 81.14 11:10:23 1 18.32 0.00 0.71 0.12 0.09 80.75 11:10:23 2 19.13 0.00 0.92 0.03 0.10 79.82 11:10:23 3 16.73 0.00 0.71 0.09 0.09 82.38 11:20:24 all 21.07 0.00 0.79 0.18 0.20 77.76 11:20:24 0 21.12 0.00 0.78 0.31 0.15 77.64 11:20:24 1 20.78 0.00 0.76 0.03 0.32 78.10 11:20:24 2 21.72 0.00 0.75 0.04 0.15 77.34 11:20:24 3 20.67 0.00 0.88 0.35 0.17 77.94 11:30:22 all 15.71 0.00 0.61 0.03 0.07 83.58 11:30:22 0 15.22 0.00 0.58 0.04 0.07 84.08 11:30:22 1 16.21 0.00 0.58 0.01 0.07 83.13 11:30:22 2 15.75 0.00 0.71 0.01 0.08 83.45 11:30:22 3 15.65 0.00 0.57 0.05 0.07 83.66 11:40:22 all 14.22 0.00 0.57 0.03 0.07 85.11 11:40:22 0 13.69 0.00 0.57 0.04 0.07 85.64 11:40:22 1 14.47 0.00 0.58 0.01 0.07 84.86 11:40:22 2 14.92 0.00 0.58 0.02 0.08 84.41 11:40:22 3 13.80 0.00 0.56 0.03 0.07 85.54 11:50:23 all 13.25 0.00 0.65 0.15 0.08 85.86 11:50:23 0 13.69 0.00 0.61 0.03 0.08 85.59 11:50:23 1 12.87 0.00 0.72 0.04 0.09 86.27 11:50:23 2 13.26 0.00 0.69 0.41 0.09 85.55 11:50:23 3 13.20 0.00 0.58 0.11 0.08 86.03 12:00:18 all 2.64 0.00 0.38 0.10 0.08 96.80 12:00:18 0 2.54 0.00 0.32 0.02 0.12 97.00 12:00:18 1 2.66 0.00 0.43 0.02 0.07 96.82 12:00:18 2 2.77 0.00 0.42 0.29 0.08 96.44 12:00:18 3 2.59 0.00 0.35 0.07 0.07 96.93 12:10:04 all 21.21 0.00 0.79 0.36 0.11 77.54 12:10:04 0 20.87 0.00 0.70 0.60 0.14 77.69 12:10:04 1 21.49 0.00 0.86 0.04 0.10 77.51 12:10:04 2 21.57 0.00 0.97 0.71 0.12 76.64 12:10:04 3 20.90 0.00 0.63 0.07 0.10 78.30 Average: all 22.88 0.00 0.99 0.22 0.11 75.80 Average: 0 22.89 0.00 0.95 0.19 0.12 75.85 Average: 1 22.95 0.00 1.01 0.19 0.12 75.72 Average: 2 23.10 0.00 1.03 0.31 0.11 75.46 Average: 3 22.58 0.00 0.95 0.19 0.11 76.18