---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-5688 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 707 10879 4 4402 14939 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:fa:7f:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79684sec preferred_lft 79684sec inet6 fe80::f816:3eff:fefa:7f32/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:87:d4:cf:33:35 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::887:d4ff:fecf:3335/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-5688) 03/18/26 _x86_64_ (4 CPU) 21:24:57 LINUX RESTART (4 CPU) 21:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:40:05 103.12 24.78 74.21 4.13 324.07 13155.43 3998.73 21:50:04 17.79 0.27 16.61 0.92 14.17 425.18 447.22 22:00:11 23.34 0.20 7.12 16.02 9.39 271.01 207815.07 22:10:01 19.90 0.03 18.95 0.92 0.81 842.30 569.13 22:20:11 9.36 0.01 8.94 0.41 0.59 273.66 204.10 22:30:11 4.78 0.00 4.61 0.17 0.16 134.13 59.32 22:40:01 4.83 0.01 4.65 0.17 1.42 144.67 65.32 22:50:11 4.81 0.01 4.60 0.20 0.62 141.62 295.43 23:00:11 8.71 0.03 8.28 0.41 4.01 553.83 135.29 23:10:01 7.79 0.03 7.43 0.33 2.48 287.63 293.95 Average: 20.50 2.55 15.56 2.39 35.97 1629.53 21618.67 21:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:40:05 7329160 10527788 5404852 33.01 269236 2920292 7188700 41.26 2086424 6400844 4612 21:50:04 3778504 7010100 8922436 54.49 272480 2950124 9617748 55.21 2129412 9884192 516 22:00:11 6421316 9683240 6249248 38.17 273928 2979008 7036252 40.39 2143492 7242252 112 22:10:01 10180212 13587936 2349344 14.35 279384 3119296 3077584 17.67 2171340 3472292 284 22:20:11 7855744 11301256 4634716 28.31 280840 3155632 5350408 30.71 2173872 5792964 84 22:30:11 7815416 11278996 4656904 28.44 281324 3173220 5339084 30.65 2174816 5834324 408 22:40:01 6440596 9923516 6011576 36.72 281828 3192056 6773624 38.88 2176864 7199060 276 22:50:11 6401488 9905112 6030080 36.83 282604 3211976 6753388 38.76 2180424 7235612 192 23:00:11 7839388 11467592 4468364 27.29 286724 3331172 5226620 30.00 2188560 5773748 1052 23:10:01 7023788 10699756 5235848 31.98 287364 3378260 6007080 34.48 2207260 6577444 736 Average: 7108561 10538529 5396337 32.96 279571 3141104 6237049 35.80 2163246 6541273 827 21:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:40:05 lo 20.95 20.95 17.07 17.07 0.00 0.00 0.00 0.00 21:40:05 ens3 10.58 6.82 190.82 1.00 0.00 0.00 0.00 0.00 21:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:04 lo 47.41 47.41 20.61 20.61 0.00 0.00 0.00 0.00 21:50:04 ens3 2.43 1.56 0.61 0.45 0.00 0.00 0.00 0.00 21:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:11 lo 17.71 17.71 8.44 8.44 0.00 0.00 0.00 0.00 22:00:11 ens3 0.75 0.58 0.15 1.30 0.00 0.00 0.00 0.00 22:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 lo 13.39 13.39 6.73 6.73 0.00 0.00 0.00 0.00 22:10:01 ens3 1.03 0.89 0.25 0.21 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:11 lo 19.37 19.37 10.07 10.07 0.00 0.00 0.00 0.00 22:20:11 ens3 0.90 0.69 0.20 0.16 0.00 0.00 0.00 0.00 22:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:11 lo 26.32 26.32 9.55 9.55 0.00 0.00 0.00 0.00 22:30:11 ens3 0.88 0.51 0.25 0.18 0.00 0.00 0.00 0.00 22:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 20.84 20.84 9.97 9.97 0.00 0.00 0.00 0.00 22:40:01 ens3 0.72 0.50 0.16 0.12 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:11 lo 13.31 13.31 8.17 8.17 0.00 0.00 0.00 0.00 22:50:11 ens3 0.56 0.42 0.11 0.08 0.00 0.00 0.00 0.00 22:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:11 lo 12.12 12.12 7.22 7.22 0.00 0.00 0.00 0.00 23:00:11 ens3 0.71 0.57 0.21 0.17 0.00 0.00 0.00 0.00 23:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 24.34 24.34 10.63 10.63 0.00 0.00 0.00 0.00 23:10:01 ens3 0.84 0.72 0.18 0.14 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.56 21.56 10.85 10.85 0.00 0.00 0.00 0.00 Average: ens3 1.94 1.33 19.41 0.38 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-5688) 03/18/26 _x86_64_ (4 CPU) 21:24:57 LINUX RESTART (4 CPU) 21:30:02 CPU %user %nice %system %iowait %steal %idle 21:40:05 all 55.01 0.00 2.24 0.22 0.09 42.45 21:40:05 0 54.25 0.00 2.20 0.14 0.09 43.33 21:40:05 1 53.02 0.00 2.34 0.24 0.09 44.31 21:40:05 2 55.39 0.00 1.95 0.12 0.09 42.45 21:40:05 3 57.39 0.00 2.46 0.36 0.09 39.70 21:50:04 all 37.83 0.00 1.42 0.04 0.10 60.61 21:50:04 0 38.35 0.00 1.42 0.06 0.10 60.08 21:50:04 1 37.59 0.00 1.46 0.03 0.10 60.82 21:50:04 2 37.98 0.00 1.51 0.06 0.10 60.35 21:50:04 3 37.39 0.00 1.30 0.02 0.10 61.19 22:00:11 all 17.55 0.00 0.82 0.05 0.09 81.49 22:00:11 0 17.57 0.00 0.77 0.01 0.08 81.56 22:00:11 1 18.04 0.00 0.87 0.10 0.09 80.90 22:00:11 2 17.23 0.00 0.83 0.03 0.09 81.82 22:00:11 3 17.37 0.00 0.81 0.07 0.09 81.66 22:10:01 all 29.16 0.00 1.00 0.06 0.08 69.70 22:10:01 0 28.51 0.00 0.98 0.06 0.08 70.37 22:10:01 1 28.87 0.00 1.01 0.04 0.08 69.99 22:10:01 2 30.35 0.00 0.96 0.11 0.08 68.49 22:10:01 3 28.91 0.00 1.03 0.04 0.08 69.94 22:20:11 all 18.12 0.00 0.57 0.03 0.07 81.21 22:20:11 0 17.92 0.00 0.56 0.01 0.07 81.44 22:20:11 1 17.77 0.00 0.49 0.03 0.08 81.63 22:20:11 2 18.33 0.00 0.59 0.04 0.07 80.97 22:20:11 3 18.44 0.00 0.64 0.03 0.07 80.82 22:30:11 all 8.64 0.00 0.38 0.02 0.07 90.89 22:30:11 0 8.83 0.00 0.39 0.01 0.06 90.71 22:30:11 1 8.67 0.00 0.44 0.04 0.07 90.78 22:30:11 2 8.72 0.00 0.33 0.01 0.08 90.86 22:30:11 3 8.35 0.00 0.37 0.01 0.07 91.20 22:40:01 all 10.90 0.00 0.56 0.02 0.08 88.45 22:40:01 0 10.90 0.00 0.51 0.03 0.07 88.49 22:40:01 1 10.90 0.00 0.56 0.01 0.08 88.45 22:40:01 2 10.83 0.00 0.61 0.02 0.08 88.46 22:40:01 3 10.98 0.00 0.56 0.01 0.08 88.38 22:50:11 all 10.33 0.00 0.50 0.02 0.08 89.08 22:50:11 0 9.97 0.00 0.52 0.02 0.07 89.42 22:50:11 1 10.48 0.00 0.51 0.01 0.08 88.92 22:50:11 2 10.76 0.00 0.48 0.01 0.07 88.68 22:50:11 3 10.12 0.00 0.48 0.02 0.08 89.30 23:00:11 all 13.24 0.00 0.60 0.03 0.08 86.06 23:00:11 0 12.69 0.00 0.59 0.03 0.07 86.62 23:00:11 1 14.02 0.00 0.66 0.02 0.08 85.22 23:00:11 2 13.10 0.00 0.49 0.01 0.08 86.32 23:00:11 3 13.17 0.00 0.64 0.05 0.07 86.07 23:10:01 all 15.25 0.00 0.57 0.02 0.08 84.08 23:10:01 0 15.19 0.00 0.52 0.02 0.07 84.20 23:10:01 1 15.49 0.00 0.66 0.02 0.08 83.75 23:10:01 2 15.81 0.00 0.56 0.01 0.08 83.54 23:10:01 3 14.50 0.00 0.55 0.04 0.07 84.84 Average: all 21.60 0.00 0.87 0.05 0.08 77.40 Average: 0 21.43 0.00 0.85 0.04 0.08 77.60 Average: 1 21.48 0.00 0.90 0.05 0.08 77.49 Average: 2 21.85 0.00 0.83 0.04 0.08 77.20 Average: 3 21.66 0.00 0.89 0.07 0.08 77.31