---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13918 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 680 10992 4 4316 14966 Swap: 1023 16 1007 ---> 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:1f:ce:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79810sec preferred_lft 79810sec inet6 fe80::f816:3eff:fe1f:ceac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:23:41:6f:61:bf 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-13918) 02/18/26 _x86_64_ (4 CPU) 12:31:00 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:16 69.67 23.94 42.74 2.98 320.50 5270.28 3781.39 13:00:01 30.90 0.59 13.38 16.93 11.91 418.59 218940.41 13:10:01 12.41 1.72 10.14 0.54 43.23 560.80 1027.51 13:20:16 17.01 0.16 16.00 0.85 2.64 534.01 646.63 13:30:01 5.40 0.03 5.17 0.19 1.20 138.15 86.91 13:40:01 8.30 0.03 7.90 0.37 1.97 253.18 173.21 13:50:16 5.20 0.00 5.01 0.18 0.36 153.75 81.28 14:00:01 4.66 0.02 4.53 0.11 0.47 146.38 58.43 14:10:01 9.60 0.04 9.15 0.41 2.24 560.86 284.33 14:20:00 7.88 1.98 5.70 0.19 74.93 184.87 270.85 Average: 17.23 2.91 12.08 2.24 46.72 835.42 22006.74 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:16 1453648 4617184 11313372 69.10 263068 2886208 11933132 68.50 2087552 12238120 656 13:00:01 7867636 11066120 4867944 29.73 265092 2919128 5621440 32.27 2110092 5832428 2520 13:10:01 11415664 14731884 1206140 7.37 269584 3032308 1945344 11.17 2146764 2270088 10400 13:20:16 8160748 11548476 4387820 26.80 272756 3100632 5163716 29.64 2154392 5504888 168 13:30:01 7865752 11269340 4666656 28.50 273404 3115844 5379928 30.88 2155864 5792064 224 13:40:01 6585948 10024664 5910712 36.10 274192 3150200 6735484 38.66 2158940 7063072 368 13:50:16 6401296 9861976 6073120 37.09 274752 3171604 6781600 38.93 2162152 7250568 188 14:00:01 8412944 11895536 4041028 24.68 275220 3193048 5057628 29.03 2164288 5246668 408 14:10:01 7817780 11421376 4514656 27.57 279340 3309432 5224376 29.99 2178692 5819280 276 14:20:00 11376108 15363180 575252 3.51 280480 3690248 1215724 6.98 2208148 2216800 336948 Average: 7735752 11179974 4755670 29.05 272789 3156865 5505837 31.60 2152688 5923398 35216 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:16 lo 38.67 38.67 24.26 24.26 0.00 0.00 0.00 0.00 12:50:16 ens3 2.12 2.03 0.46 0.41 0.00 0.00 0.00 0.00 12:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 37.69 37.69 15.15 15.15 0.00 0.00 0.00 0.00 13:00:01 ens3 1.21 1.11 0.24 0.20 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 13.68 13.68 6.79 6.79 0.00 0.00 0.00 0.00 13:10:01 ens3 1.62 1.12 0.46 1.59 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:16 lo 13.63 13.63 7.60 7.60 0.00 0.00 0.00 0.00 13:20:16 ens3 1.17 0.78 0.28 0.21 0.00 0.00 0.00 0.00 13:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 19.97 19.97 9.48 9.48 0.00 0.00 0.00 0.00 13:30:01 ens3 0.71 0.53 0.14 0.11 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 27.37 27.37 10.74 10.74 0.00 0.00 0.00 0.00 13:40:01 ens3 0.69 0.46 0.16 0.11 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:16 lo 21.00 21.00 10.94 10.94 0.00 0.00 0.00 0.00 13:50:16 ens3 0.69 0.53 0.14 0.11 0.00 0.00 0.00 0.00 13:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 10.80 10.80 5.64 5.64 0.00 0.00 0.00 0.00 14:00:01 ens3 0.66 0.47 0.17 0.12 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 14.39 14.39 8.44 8.44 0.00 0.00 0.00 0.00 14:10:01 ens3 0.80 0.69 0.24 0.19 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 32.97 32.97 12.85 12.85 0.00 0.00 0.00 0.00 14:20:00 ens3 1.45 1.29 0.55 0.35 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.03 23.03 11.22 11.22 0.00 0.00 0.00 0.00 Average: ens3 1.12 0.90 0.28 0.34 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-13918) 02/18/26 _x86_64_ (4 CPU) 12:31:00 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:16 all 69.95 0.00 3.06 0.26 0.17 26.56 12:50:16 0 70.36 0.00 2.95 0.22 0.17 26.30 12:50:16 1 70.83 0.00 2.84 0.29 0.16 25.88 12:50:16 2 68.80 0.00 3.23 0.40 0.17 27.40 12:50:16 3 69.81 0.00 3.22 0.15 0.16 26.65 13:00:01 all 30.02 0.00 1.40 0.24 0.12 68.23 13:00:01 0 29.37 0.00 1.49 0.07 0.11 68.96 13:00:01 1 30.06 0.00 1.39 0.17 0.12 68.26 13:00:01 2 30.10 0.00 1.30 0.63 0.12 67.84 13:00:01 3 30.54 0.00 1.40 0.09 0.12 67.86 13:10:01 all 20.46 0.00 0.97 0.06 0.09 78.43 13:10:01 0 19.88 0.00 0.91 0.10 0.08 79.03 13:10:01 1 20.38 0.00 0.99 0.03 0.09 78.50 13:10:01 2 21.73 0.00 1.05 0.04 0.09 77.09 13:10:01 3 19.82 0.00 0.92 0.06 0.08 79.11 13:20:16 all 28.86 0.00 1.01 0.05 0.08 69.99 13:20:16 0 28.94 0.00 1.05 0.09 0.08 69.84 13:20:16 1 28.22 0.00 0.88 0.02 0.08 70.79 13:20:16 2 28.97 0.00 1.09 0.04 0.08 69.81 13:20:16 3 29.31 0.00 1.02 0.06 0.08 69.53 13:30:01 all 9.34 0.00 0.47 0.02 0.08 90.09 13:30:01 0 9.03 0.00 0.44 0.01 0.08 90.45 13:30:01 1 9.36 0.00 0.53 0.03 0.08 90.00 13:30:01 2 9.62 0.00 0.50 0.04 0.07 89.76 13:30:01 3 9.34 0.00 0.42 0.01 0.08 90.16 13:40:01 all 16.25 0.00 0.67 0.23 0.08 82.77 13:40:01 0 16.40 0.00 0.65 0.04 0.08 82.85 13:40:01 1 16.76 0.00 0.67 0.71 0.08 81.78 13:40:01 2 16.25 0.00 0.64 0.11 0.08 82.93 13:40:01 3 15.59 0.00 0.73 0.07 0.07 83.54 13:50:16 all 11.12 0.00 0.50 0.02 0.07 88.28 13:50:16 0 10.87 0.00 0.62 0.01 0.07 88.42 13:50:16 1 10.77 0.00 0.47 0.03 0.07 88.66 13:50:16 2 11.55 0.00 0.48 0.02 0.08 87.87 13:50:16 3 11.30 0.00 0.44 0.00 0.07 88.19 14:00:01 all 5.97 0.00 0.31 0.02 0.07 93.63 14:00:01 0 6.07 0.00 0.25 0.02 0.06 93.59 14:00:01 1 6.29 0.00 0.43 0.01 0.08 93.19 14:00:01 2 5.60 0.00 0.27 0.03 0.06 94.04 14:00:01 3 5.92 0.00 0.30 0.02 0.07 93.69 14:10:01 all 15.72 0.00 0.67 0.06 0.07 83.49 14:10:01 0 16.32 0.00 0.62 0.05 0.07 82.94 14:10:01 1 15.33 0.00 0.70 0.13 0.07 83.77 14:10:01 2 15.03 0.00 0.67 0.02 0.07 84.21 14:10:01 3 16.18 0.00 0.70 0.02 0.07 83.02 14:20:00 all 11.24 0.00 0.57 0.04 0.06 88.09 14:20:00 0 11.48 0.00 0.57 0.03 0.06 87.86 14:20:00 1 11.58 0.00 0.59 0.07 0.07 87.69 14:20:00 2 11.32 0.00 0.63 0.03 0.07 87.96 14:20:00 3 10.58 0.00 0.50 0.02 0.06 88.85 Average: all 22.06 0.00 0.97 0.10 0.09 76.78 Average: 0 22.04 0.00 0.96 0.06 0.09 76.85 Average: 1 22.13 0.00 0.95 0.15 0.09 76.68 Average: 2 22.07 0.00 0.99 0.14 0.09 76.72 Average: 3 22.00 0.00 0.97 0.05 0.09 76.89