---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54241 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 61G 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 709 11381 3 3898 14937 Swap: 1023 1 1022 ---> 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:34:e0:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79762sec preferred_lft 79762sec inet6 fe80::f816:3eff:fe34:e0c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:ca:32:e1:4e:53 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::4ca:32ff:fee1:4e53/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54241) 03/30/26 _x86_64_ (4 CPU) 12:03:07 LINUX RESTART (4 CPU) 12:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:01 72.96 22.11 48.20 2.65 317.21 5263.89 2574.27 12:30:05 21.75 7.33 13.74 0.68 138.42 363.50 858.81 12:40:05 5.54 0.25 5.03 0.25 13.41 184.48 360.82 12:50:01 22.40 0.06 6.82 15.52 1.40 229.25 212930.50 13:00:05 14.97 0.12 14.16 0.69 6.92 709.13 2103.96 13:10:05 26.47 12.08 13.81 0.58 144.43 457.56 243.64 13:20:01 6.06 0.02 5.81 0.23 1.11 196.62 76.10 13:30:02 7.38 0.02 7.00 0.36 2.18 250.82 133.32 13:40:05 5.16 0.03 4.93 0.19 1.87 160.94 57.23 13:50:01 5.76 0.00 5.57 0.18 0.56 170.52 51.85 Average: 18.81 4.20 12.49 2.12 62.66 795.61 21798.33 12:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:01 1454420 4802284 11129084 67.97 270440 3062316 12088468 69.39 2129288 12193648 380 12:30:05 4348144 7126112 8811216 53.82 270112 2550244 9431068 54.13 2049188 9443680 496 12:40:05 8299864 11095504 4845164 29.59 270800 2567080 5553420 31.88 2061148 5508612 316 12:50:01 6901988 9718864 6221188 38.00 272156 2586960 7034000 40.38 2070676 6901976 292 13:00:05 11683628 14624616 1318272 8.05 277064 2706132 2060240 11.83 2110532 2101884 12140 13:10:05 10812896 13875020 2067372 12.63 284452 2812496 3468652 19.91 2156112 2911032 14300 13:20:01 8157784 11237316 4703640 28.73 285044 2829344 5406280 31.03 2157732 5551928 56 13:30:02 6963032 10082076 5858436 35.78 285728 2868136 6614604 37.97 2161084 6737612 352 13:40:05 6825220 9969068 5971276 36.47 286552 2892108 6736832 38.67 2165048 6863308 560 13:50:01 8356940 11525868 4415388 26.97 287472 2916248 5192208 29.80 2167712 5343912 240 Average: 7380392 10405673 5534104 33.80 278982 2779106 6358577 36.50 2122852 6355759 2913 12:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:01 lo 26.38 26.38 17.95 17.95 0.00 0.00 0.00 0.00 12:20:01 ens3 2.20 2.02 0.66 0.56 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:05 lo 37.94 37.94 15.82 15.82 0.00 0.00 0.00 0.00 12:30:05 ens3 1.14 1.23 0.22 0.20 0.00 0.00 0.00 0.00 12:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:05 lo 12.43 12.43 5.16 5.16 0.00 0.00 0.00 0.00 12:40:05 ens3 0.68 0.48 0.17 0.12 0.00 0.00 0.00 0.00 12:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 lo 9.99 9.99 6.21 6.21 0.00 0.00 0.00 0.00 12:50:01 ens3 0.46 0.34 0.09 0.06 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:05 lo 11.25 11.25 5.79 5.79 0.00 0.00 0.00 0.00 13:00:05 ens3 1.23 1.07 0.34 1.17 0.00 0.00 0.00 0.00 13:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:05 lo 8.59 8.59 5.35 5.35 0.00 0.00 0.00 0.00 13:10:05 ens3 0.97 0.65 0.24 0.18 0.00 0.00 0.00 0.00 13:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 19.92 19.92 9.49 9.49 0.00 0.00 0.00 0.00 13:20:01 ens3 1.00 0.74 0.26 0.19 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:02 lo 28.79 28.79 11.41 11.41 0.00 0.00 0.00 0.00 13:30:02 ens3 0.65 0.53 0.14 0.11 0.00 0.00 0.00 0.00 13:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:05 lo 21.31 21.31 10.82 10.82 0.00 0.00 0.00 0.00 13:40:05 ens3 0.97 0.64 0.25 0.18 0.00 0.00 0.00 0.00 13:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 15.24 15.24 8.44 8.44 0.00 0.00 0.00 0.00 13:50:01 ens3 0.70 0.61 0.14 0.11 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.20 19.20 9.64 9.64 0.00 0.00 0.00 0.00 Average: ens3 1.00 0.83 0.25 0.29 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-54241) 03/30/26 _x86_64_ (4 CPU) 12:03:07 LINUX RESTART (4 CPU) 12:10:05 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 53.54 0.00 1.87 0.14 0.10 44.36 12:20:01 0 53.92 0.00 1.79 0.18 0.10 44.01 12:20:01 1 53.26 0.00 2.07 0.10 0.10 44.47 12:20:01 2 52.67 0.00 1.92 0.10 0.10 45.21 12:20:01 3 54.29 0.00 1.69 0.18 0.10 43.74 12:30:05 all 31.25 0.00 1.20 0.15 0.09 67.31 12:30:05 0 31.71 0.00 1.19 0.12 0.09 66.89 12:30:05 1 31.19 0.00 1.20 0.24 0.09 67.29 12:30:05 2 31.23 0.00 1.19 0.17 0.09 67.31 12:30:05 3 30.85 0.00 1.21 0.09 0.09 67.75 12:40:05 all 9.10 0.00 0.44 0.06 0.05 90.35 12:40:05 0 9.12 0.00 0.40 0.01 0.05 90.42 12:40:05 1 9.16 0.00 0.47 0.12 0.06 90.19 12:40:05 2 8.58 0.00 0.38 0.01 0.06 90.97 12:40:05 3 9.54 0.00 0.53 0.08 0.05 89.81 12:50:01 all 16.67 0.00 0.66 0.04 0.07 82.56 12:50:01 0 16.46 0.00 0.64 0.01 0.07 82.82 12:50:01 1 16.94 0.00 0.64 0.03 0.07 82.33 12:50:01 2 16.44 0.00 0.82 0.08 0.07 82.59 12:50:01 3 16.85 0.00 0.54 0.06 0.06 82.49 13:00:05 all 25.35 0.00 0.92 0.05 0.08 73.60 13:00:05 0 24.47 0.00 0.87 0.06 0.08 74.52 13:00:05 1 26.08 0.00 0.97 0.06 0.07 72.81 13:00:05 2 25.81 0.00 0.94 0.05 0.08 73.12 13:00:05 3 25.06 0.00 0.90 0.02 0.07 73.95 13:10:05 all 20.73 0.07 0.72 0.10 0.07 78.30 13:10:05 0 19.53 0.10 0.67 0.17 0.07 79.46 13:10:05 1 21.78 0.06 0.77 0.05 0.08 77.26 13:10:05 2 20.61 0.11 0.81 0.12 0.07 78.29 13:10:05 3 21.01 0.04 0.64 0.05 0.07 78.20 13:20:01 all 12.08 0.00 0.55 0.22 0.06 87.09 13:20:01 0 12.03 0.00 0.49 0.40 0.06 87.02 13:20:01 1 12.33 0.00 0.53 0.05 0.07 87.02 13:20:01 2 11.87 0.00 0.60 0.01 0.07 87.46 13:20:01 3 12.08 0.00 0.57 0.44 0.06 86.85 13:30:02 all 15.74 0.00 0.63 0.04 0.07 83.52 13:30:02 0 15.73 0.00 0.59 0.03 0.07 83.59 13:30:02 1 15.58 0.00 0.62 0.11 0.07 83.61 13:30:02 2 14.83 0.00 0.68 0.02 0.07 84.40 13:30:02 3 16.80 0.00 0.62 0.02 0.06 82.49 13:40:05 all 11.00 0.00 0.44 0.04 0.07 88.44 13:40:05 0 10.94 0.00 0.43 0.04 0.07 88.52 13:40:05 1 10.76 0.00 0.49 0.03 0.07 88.64 13:40:05 2 11.20 0.00 0.39 0.01 0.08 88.33 13:40:05 3 11.12 0.00 0.44 0.08 0.07 88.29 13:50:01 all 8.03 0.00 0.42 0.04 0.07 91.44 13:50:01 0 8.27 0.00 0.38 0.04 0.07 91.24 13:50:01 1 7.89 0.00 0.45 0.07 0.08 91.52 13:50:01 2 8.24 0.00 0.45 0.02 0.07 91.22 13:50:01 3 7.74 0.00 0.39 0.02 0.07 91.78 Average: all 20.33 0.01 0.78 0.09 0.07 78.71 Average: 0 20.20 0.01 0.75 0.11 0.07 78.87 Average: 1 20.48 0.01 0.82 0.09 0.08 78.53 Average: 2 20.14 0.01 0.82 0.06 0.07 78.90 Average: 3 20.52 0.00 0.75 0.10 0.07 78.55