---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4744 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 722 11294 4 3972 14924 Swap: 1023 14 1009 ---> 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:97:9d:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79471sec preferred_lft 79471sec inet6 fe80::f816:3eff:fe97:9d0d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:dd:36:35:2f:17 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::4dd:36ff:fe35:2f17/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-4744) 03/18/26 _x86_64_ (4 CPU) 10:34:28 LINUX RESTART (4 CPU) 10:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:05 95.80 22.91 68.94 3.95 357.79 12265.24 5073.02 11:00:04 24.44 5.27 18.16 1.01 103.69 556.30 2750.48 11:10:05 8.65 0.79 7.44 0.42 18.17 273.83 1148.02 11:20:05 15.55 0.14 14.70 0.72 4.52 692.07 1329.36 11:30:05 13.76 0.03 13.10 0.63 1.36 432.99 904.12 11:40:05 5.70 0.03 5.49 0.17 1.28 147.93 73.25 11:50:05 5.20 0.04 4.99 0.17 1.51 149.73 94.19 12:00:01 4.68 0.02 4.47 0.19 0.51 144.04 56.66 12:10:05 4.05 0.01 4.04 0.00 0.12 65.42 0.00 12:20:05 11.44 0.04 10.84 0.57 4.00 683.91 267.91 Average: 18.92 2.93 15.21 0.78 49.27 1541.01 1169.13 10:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:05 3134096 6640064 9289824 56.74 268080 3209576 10353452 59.43 2029752 10590044 160 11:00:04 3647920 6415784 9520808 58.15 267244 2535624 11084792 63.63 2065132 10134780 468 11:10:05 6899756 9693460 6245524 38.15 268200 2560508 6989568 40.12 2074448 6874864 960 11:20:05 10784904 13706440 2234980 13.65 273128 2683356 2966868 17.03 2112816 2974428 208 11:30:05 8486480 11470944 4469124 27.30 275044 2744364 5223596 29.98 2118084 5256424 412 11:40:05 8355256 11357900 4582140 27.99 275756 2761836 5349812 30.71 2119636 5394948 348 11:50:05 6984580 10007672 5931560 36.23 276356 2781680 6708208 38.51 2121760 6737756 352 12:00:01 6925164 9968868 5970456 36.47 276964 2801684 6738796 38.68 2125120 6805032 140 12:10:05 6586560 9632748 6306228 38.52 277264 2803868 6953776 39.91 2125456 7139988 212 12:20:05 8010956 11204628 4735128 28.92 281228 2947160 5345972 30.69 2141804 5713608 296 Average: 6981567 10009851 5928577 36.21 273926 2782966 6771484 38.87 2103401 6762187 356 10:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:05 lo 20.59 20.59 17.12 17.12 0.00 0.00 0.00 0.00 10:50:05 ens3 3.51 2.54 43.03 0.59 0.00 0.00 0.00 0.00 10:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:04 lo 44.43 44.43 18.50 18.50 0.00 0.00 0.00 0.00 11:00:04 ens3 1.58 1.43 0.33 0.28 0.00 0.00 0.00 0.00 11:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:05 lo 19.02 19.02 9.70 9.70 0.00 0.00 0.00 0.00 11:10:05 ens3 0.96 0.77 0.18 1.14 0.00 0.00 0.00 0.00 11:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:05 lo 11.23 11.23 5.57 5.57 0.00 0.00 0.00 0.00 11:20:05 ens3 1.44 0.78 0.34 0.23 0.00 0.00 0.00 0.00 11:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:05 lo 19.42 19.42 10.05 10.05 0.00 0.00 0.00 0.00 11:30:05 ens3 1.00 0.69 0.22 0.17 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:05 lo 21.01 21.01 8.67 8.67 0.00 0.00 0.00 0.00 11:40:05 ens3 0.92 0.63 0.24 0.18 0.00 0.00 0.00 0.00 11:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:05 lo 20.12 20.12 8.55 8.55 0.00 0.00 0.00 0.00 11:50:05 ens3 0.76 0.37 0.16 0.10 0.00 0.00 0.00 0.00 11:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 13.25 13.25 6.84 6.84 0.00 0.00 0.00 0.00 12:00:01 ens3 1.42 0.52 0.31 0.19 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 12:10:05 lo 15.01 15.01 8.05 8.05 0.00 0.00 0.00 0.00 12:10:05 ens3 0.73 0.42 0.16 0.10 0.00 0.00 0.00 0.00 12:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:05 lo 16.61 16.61 9.36 9.36 0.00 0.00 0.00 0.00 12:20:05 ens3 1.49 1.00 0.47 0.36 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.06 20.06 10.24 10.24 0.00 0.00 0.00 0.00 Average: ens3 1.38 0.92 4.54 0.33 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-4744) 03/18/26 _x86_64_ (4 CPU) 10:34:28 LINUX RESTART (4 CPU) 10:40:05 CPU %user %nice %system %iowait %steal %idle 10:50:05 all 51.35 0.00 2.02 0.36 0.10 46.16 10:50:05 0 50.77 0.00 1.93 0.64 0.10 46.56 10:50:05 1 52.26 0.00 2.31 0.32 0.10 45.01 10:50:05 2 51.30 0.00 1.91 0.21 0.10 46.48 10:50:05 3 51.09 0.00 1.95 0.27 0.10 46.59 11:00:04 all 40.59 0.00 1.62 0.08 0.11 57.60 11:00:04 0 40.36 0.00 1.72 0.15 0.11 57.66 11:00:04 1 40.64 0.00 1.59 0.06 0.10 57.61 11:00:04 2 40.35 0.00 1.62 0.06 0.11 57.86 11:00:04 3 41.02 0.00 1.53 0.07 0.11 57.27 11:10:05 all 17.15 0.00 0.75 0.24 0.09 81.78 11:10:05 0 16.87 0.00 0.77 0.15 0.09 82.12 11:10:05 1 17.24 0.00 0.76 0.52 0.10 81.38 11:10:05 2 17.27 0.00 0.71 0.16 0.09 81.77 11:10:05 3 17.21 0.00 0.74 0.12 0.09 81.84 11:20:05 all 21.59 0.00 0.78 0.07 0.08 77.48 11:20:05 0 21.46 0.00 0.78 0.18 0.08 77.50 11:20:05 1 22.17 0.00 0.76 0.03 0.08 76.95 11:20:05 2 20.63 0.00 0.80 0.05 0.08 78.45 11:20:05 3 22.11 0.00 0.76 0.02 0.09 77.02 11:30:05 all 24.85 0.00 0.85 0.18 0.09 74.03 11:30:05 0 24.37 0.00 0.82 0.08 0.09 74.65 11:30:05 1 24.78 0.00 0.92 0.48 0.09 73.73 11:30:05 2 25.74 0.00 0.91 0.10 0.09 73.17 11:30:05 3 24.53 0.00 0.76 0.05 0.09 74.57 11:40:05 all 8.29 0.00 0.41 0.11 0.07 91.12 11:40:05 0 8.27 0.00 0.35 0.08 0.07 91.23 11:40:05 1 8.32 0.00 0.49 0.13 0.08 90.98 11:40:05 2 8.28 0.00 0.44 0.21 0.07 91.00 11:40:05 3 8.28 0.00 0.37 0.03 0.07 91.25 11:50:05 all 9.97 0.00 0.52 0.13 0.06 89.32 11:50:05 0 9.64 0.00 0.49 0.30 0.06 89.50 11:50:05 1 9.63 0.00 0.55 0.06 0.06 89.69 11:50:05 2 10.36 0.00 0.52 0.07 0.06 89.00 11:50:05 3 10.23 0.00 0.53 0.11 0.06 89.07 12:00:01 all 9.78 0.00 0.54 0.09 0.06 89.53 12:00:01 0 9.17 0.00 0.51 0.01 0.05 90.25 12:00:01 1 9.83 0.00 0.53 0.15 0.06 89.43 12:00:01 2 10.22 0.00 0.65 0.06 0.07 89.00 12:00:01 3 9.89 0.00 0.45 0.15 0.06 89.44 12:10:05 all 3.15 0.00 0.28 0.06 0.05 96.46 12:10:05 0 2.94 0.00 0.25 0.04 0.05 96.72 12:10:05 1 3.30 0.00 0.30 0.09 0.05 96.25 12:10:05 2 3.21 0.00 0.28 0.03 0.05 96.43 12:10:05 3 3.16 0.00 0.28 0.08 0.05 96.43 12:20:05 all 20.53 0.00 0.71 0.08 0.08 78.60 12:20:05 0 20.69 0.00 0.80 0.06 0.08 78.38 12:20:05 1 21.40 0.00 0.72 0.20 0.08 77.60 12:20:05 2 19.95 0.00 0.67 0.01 0.08 79.30 12:20:05 3 20.10 0.00 0.66 0.04 0.07 79.13 Average: all 20.71 0.00 0.85 0.14 0.08 78.22 Average: 0 20.44 0.00 0.84 0.17 0.08 78.47 Average: 1 20.94 0.00 0.89 0.21 0.08 77.88 Average: 2 20.71 0.00 0.85 0.10 0.08 78.26 Average: 3 20.75 0.00 0.80 0.09 0.08 78.27