---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1282 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: 5600.00 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 714 11200 3 4074 14924 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:55:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79884sec preferred_lft 79884sec inet6 fe80::f816:3eff:febf:559b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:1e:a8:dd:7e:05 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::bc1e:a8ff:fedd:7e05/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1282) 04/08/26 _x86_64_ (4 CPU) 15:50:59 LINUX RESTART (4 CPU) 16:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:12 76.36 25.88 47.67 2.80 388.90 5118.70 1878.87 16:20:27 10.07 0.26 9.34 0.48 12.89 276.62 676.58 16:30:01 7.99 0.14 7.44 0.41 8.25 241.84 191.18 16:40:03 15.37 0.10 14.58 0.69 8.37 700.85 1188.66 16:50:07 29.56 0.11 13.51 15.94 2.62 450.37 209443.17 17:00:01 4.88 0.00 4.71 0.17 0.16 140.95 54.03 17:10:27 5.06 0.01 4.89 0.16 1.01 153.00 55.89 17:20:27 5.14 0.00 4.93 0.21 0.31 156.81 84.19 17:30:01 12.33 0.04 11.67 0.63 4.25 730.90 193.94 Average: 18.67 3.00 13.26 2.40 48.24 893.73 23903.57 16:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:12 3239116 6054004 9872464 60.30 262032 2581992 10785448 61.91 1969928 10607448 1868 16:20:27 8293148 11132104 4796604 29.30 263316 2604552 5617324 32.24 1985052 5543556 68 16:30:01 6765064 9622728 6307992 38.53 264388 2622188 7048668 40.46 1991956 7067108 232 16:40:03 12282648 15284888 648836 3.96 269556 2761320 1366752 7.85 2031152 1524568 11796 16:50:07 8444744 11509044 4422552 27.01 273520 2819612 5202336 29.86 2042524 5367900 72 17:00:01 8446312 11529400 4402436 26.89 274012 2837908 5179388 29.73 2043636 5357636 380 17:10:27 6756772 9861568 6069304 37.07 274408 2859224 6798000 39.02 2045744 7045760 116 17:20:27 6591068 9718188 6212640 37.94 275008 2880948 6922232 39.73 2049120 7205372 460 17:30:01 7935576 11213880 4717916 28.82 279340 3026860 5382300 30.89 2065948 5849480 500 Average: 7639383 10658423 5272305 32.20 270620 2777178 6033605 34.63 2025007 6174314 1721 16:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:12 lo 37.19 37.19 22.94 22.94 0.00 0.00 0.00 0.00 16:10:12 ens3 2.19 2.12 0.65 0.57 0.00 0.00 0.00 0.00 16:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:27 lo 35.96 35.96 14.34 14.34 0.00 0.00 0.00 0.00 16:20:27 ens3 1.16 1.00 0.26 0.89 0.00 0.00 0.00 0.00 16:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 lo 8.45 8.45 5.59 5.59 0.00 0.00 0.00 0.00 16:30:01 ens3 0.74 0.50 0.19 0.41 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:03 lo 11.26 11.26 5.48 5.48 0.00 0.00 0.00 0.00 16:40:03 ens3 0.93 0.79 0.26 0.21 0.00 0.00 0.00 0.00 16:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:07 lo 20.67 20.67 10.91 10.91 0.00 0.00 0.00 0.00 16:50:07 ens3 0.78 0.68 0.16 0.13 0.00 0.00 0.00 0.00 16:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 lo 22.16 22.16 8.61 8.61 0.00 0.00 0.00 0.00 17:00:01 ens3 0.60 0.58 0.15 0.12 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:27 lo 25.79 25.79 11.28 11.28 0.00 0.00 0.00 0.00 17:10:27 ens3 0.52 0.44 0.12 0.09 0.00 0.00 0.00 0.00 17:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:27 lo 17.71 17.71 10.48 10.48 0.00 0.00 0.00 0.00 17:20:27 ens3 0.56 0.48 0.13 0.10 0.00 0.00 0.00 0.00 17:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 17.92 17.92 10.13 10.13 0.00 0.00 0.00 0.00 17:30:01 ens3 0.95 0.97 0.26 0.22 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 Average: lo 22.07 22.07 11.15 11.15 0.00 0.00 0.00 0.00 Average: ens3 0.94 0.84 0.24 0.31 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-1282) 04/08/26 _x86_64_ (4 CPU) 15:50:59 LINUX RESTART (4 CPU) 16:00:01 CPU %user %nice %system %iowait %steal %idle 16:10:12 all 62.95 0.00 2.34 0.12 0.11 34.48 16:10:12 0 63.05 0.00 2.26 0.09 0.11 34.48 16:10:12 1 62.80 0.00 2.53 0.15 0.11 34.41 16:10:12 2 63.19 0.00 2.29 0.07 0.11 34.34 16:10:12 3 62.75 0.00 2.29 0.17 0.11 34.67 16:20:27 all 19.67 0.00 0.91 0.05 0.10 79.28 16:20:27 0 19.84 0.00 0.82 0.04 0.09 79.20 16:20:27 1 19.85 0.00 0.81 0.07 0.10 79.17 16:20:27 2 19.95 0.00 1.03 0.03 0.10 78.88 16:20:27 3 19.03 0.00 0.98 0.05 0.09 79.85 16:30:01 all 16.78 0.00 0.62 0.03 0.08 82.49 16:30:01 0 17.48 0.00 0.59 0.04 0.08 81.81 16:30:01 1 15.92 0.00 0.59 0.01 0.08 83.40 16:30:01 2 16.78 0.00 0.63 0.03 0.09 82.48 16:30:01 3 16.93 0.00 0.68 0.03 0.09 82.28 16:40:03 all 21.22 0.00 0.77 0.04 0.08 77.88 16:40:03 0 20.85 0.00 0.72 0.01 0.08 78.34 16:40:03 1 20.80 0.00 0.74 0.01 0.09 78.36 16:40:03 2 21.84 0.00 0.81 0.09 0.09 77.18 16:40:03 3 21.38 0.00 0.82 0.07 0.09 77.65 16:50:07 all 24.69 0.00 0.81 0.05 0.09 74.36 16:50:07 0 23.61 0.00 0.83 0.09 0.08 75.40 16:50:07 1 24.99 0.00 0.75 0.02 0.08 74.16 16:50:07 2 24.61 0.00 0.78 0.05 0.09 74.47 16:50:07 3 25.56 0.00 0.89 0.05 0.09 73.40 17:00:01 all 8.66 0.00 0.44 1.52 0.08 89.30 17:00:01 0 8.16 0.00 0.37 1.78 0.07 89.62 17:00:01 1 8.95 0.00 0.49 1.84 0.08 88.64 17:00:01 2 9.07 0.00 0.44 0.95 0.08 89.45 17:00:01 3 8.47 0.00 0.46 1.51 0.07 89.48 17:10:27 all 10.33 0.00 0.55 0.09 0.07 88.96 17:10:27 0 10.42 0.00 0.59 0.06 0.07 88.85 17:10:27 1 10.13 0.00 0.53 0.14 0.07 89.13 17:10:27 2 10.45 0.00 0.58 0.04 0.07 88.85 17:10:27 3 10.32 0.00 0.50 0.11 0.07 88.99 17:20:27 all 10.05 0.00 0.42 0.03 0.08 89.42 17:20:27 0 10.19 0.00 0.46 0.01 0.08 89.27 17:20:27 1 9.39 0.00 0.40 0.01 0.08 90.12 17:20:27 2 10.20 0.00 0.44 0.07 0.08 89.22 17:20:27 3 10.41 0.00 0.40 0.03 0.08 89.09 17:30:01 all 20.73 0.00 0.70 0.06 0.09 78.43 17:30:01 0 20.42 0.00 0.76 0.05 0.08 78.69 17:30:01 1 20.10 0.00 0.63 0.05 0.09 79.13 17:30:01 2 21.03 0.00 0.64 0.10 0.08 78.15 17:30:01 3 21.38 0.00 0.76 0.05 0.09 77.73 Average: all 21.74 0.00 0.84 0.22 0.09 77.11 Average: 0 21.62 0.00 0.83 0.24 0.08 77.23 Average: 1 21.50 0.00 0.83 0.26 0.09 77.33 Average: 2 21.97 0.00 0.85 0.16 0.09 76.93 Average: 3 21.86 0.00 0.87 0.23 0.09 76.95