---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-41915 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 721 11298 3 3969 14925 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:58:4d:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79842sec preferred_lft 79842sec inet6 fe80::f816:3eff:fe58:4d9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:57:53:cc:3b:ed 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-41915) 03/25/26 _x86_64_ (4 CPU) 10:24:19 LINUX RESTART (4 CPU) 10:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:05 99.42 23.34 72.54 3.53 313.19 19053.70 12585.99 10:50:06 24.25 5.00 18.21 1.04 98.70 496.62 786.06 11:00:06 14.92 0.31 13.90 0.70 15.47 651.53 761.70 11:10:06 15.11 0.09 14.20 0.82 3.12 410.49 442.96 11:20:06 18.23 12.09 5.96 0.18 144.69 152.89 318.19 11:30:21 2.41 0.01 2.38 0.02 0.59 42.37 0.14 11:40:26 20.14 0.08 4.86 15.20 2.09 132.20 209372.55 11:50:27 4.87 0.00 4.68 0.19 0.31 134.97 120.19 12:00:18 11.30 0.04 10.75 0.52 4.13 655.66 182.24 12:10:23 4.63 0.02 4.45 0.16 0.54 155.54 283.77 Average: 21.48 4.09 15.15 2.24 58.11 2180.99 22623.32 10:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:05 161412 3612352 12318940 75.24 266132 3161224 13195652 75.74 2163936 13454184 1248 10:50:06 3312872 6185592 9751804 59.56 267864 2631552 10944368 62.82 2126592 10370168 708 11:00:06 11722536 14712496 1229852 7.51 272708 2743912 2029084 11.65 2156940 1998164 6712 11:10:06 8496832 11531504 4409048 26.93 275792 2785540 5160856 29.62 2163500 5196860 312 11:20:06 8365904 11466248 4474160 27.33 280976 2839512 5183052 29.75 2205744 5274788 156 11:30:21 8301996 11405312 4534976 27.70 281164 2842292 5171628 29.69 2206148 5333032 52 11:40:26 6744928 9868500 6070980 37.08 281836 2861812 6776484 38.90 2213300 6891036 264 11:50:27 6740612 9881528 6058096 37.00 282588 2878408 6763796 38.82 2216824 6893812 388 12:00:18 8028760 11312512 4627876 28.27 287156 3010748 5265392 30.22 2233168 5580364 160 12:10:23 7181700 10490168 5449612 33.28 287812 3034752 5946924 34.14 2244160 6391280 92 Average: 6905755 10046621 5892534 35.99 278403 2878975 6643724 38.13 2193031 6738369 1009 10:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:05 lo 18.05 18.05 16.03 16.03 0.00 0.00 0.00 0.00 10:40:05 ens3 41.62 32.19 645.19 3.39 0.00 0.00 0.00 0.00 10:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:06 lo 43.84 43.84 18.35 18.35 0.00 0.00 0.00 0.00 10:50:06 ens3 2.15 1.46 0.44 0.33 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:06 lo 21.45 21.45 9.29 9.29 0.00 0.00 0.00 0.00 11:00:06 ens3 1.77 1.68 0.42 1.43 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:06 lo 18.31 18.31 9.35 9.35 0.00 0.00 0.00 0.00 11:10:06 ens3 1.17 0.72 0.26 0.19 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:06 lo 21.09 21.09 8.94 8.94 0.00 0.00 0.00 0.00 11:20:06 ens3 1.14 0.56 0.23 0.15 0.00 0.00 0.00 0.00 11:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:21 lo 15.10 15.10 4.89 4.89 0.00 0.00 0.00 0.00 11:30:21 ens3 0.68 0.23 0.17 0.10 0.00 0.00 0.00 0.00 11:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:26 lo 16.77 16.77 8.48 8.48 0.00 0.00 0.00 0.00 11:40:26 ens3 1.18 0.56 0.25 0.16 0.00 0.00 0.00 0.00 11:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:27 lo 13.98 13.98 8.81 8.81 0.00 0.00 0.00 0.00 11:50:27 ens3 1.29 0.57 0.28 0.17 0.00 0.00 0.00 0.00 11:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:18 lo 19.23 19.23 10.53 10.53 0.00 0.00 0.00 0.00 12:00:18 ens3 1.87 0.88 0.41 0.26 0.00 0.00 0.00 0.00 12:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:23 lo 32.15 32.15 12.47 12.47 0.00 0.00 0.00 0.00 12:10:23 ens3 1.55 0.71 0.37 0.24 0.00 0.00 0.00 0.00 12:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.99 21.99 10.70 10.70 0.00 0.00 0.00 0.00 Average: ens3 5.43 3.94 64.59 0.64 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-41915) 03/25/26 _x86_64_ (4 CPU) 10:24:19 LINUX RESTART (4 CPU) 10:30:06 CPU %user %nice %system %iowait %steal %idle 10:40:05 all 56.54 0.00 2.35 0.31 0.11 40.69 10:40:05 0 54.95 0.00 2.23 0.32 0.11 42.39 10:40:05 1 57.14 0.00 2.41 0.41 0.11 39.92 10:40:05 2 57.48 0.00 2.44 0.17 0.12 39.78 10:40:05 3 56.57 0.00 2.34 0.32 0.11 40.66 10:50:06 all 41.69 0.00 1.56 0.06 0.12 56.57 10:50:06 0 41.40 0.00 1.69 0.13 0.11 56.66 10:50:06 1 41.81 0.00 1.55 0.04 0.12 56.49 10:50:06 2 42.08 0.00 1.53 0.03 0.12 56.23 10:50:06 3 41.45 0.00 1.47 0.05 0.12 56.90 11:00:06 all 22.31 0.00 0.83 0.06 0.10 76.71 11:00:06 0 22.36 0.00 0.81 0.02 0.10 76.71 11:00:06 1 23.09 0.00 0.76 0.10 0.10 75.95 11:00:06 2 21.95 0.00 0.77 0.01 0.10 77.17 11:00:06 3 21.85 0.00 0.96 0.10 0.10 76.99 11:10:06 all 28.36 0.00 0.95 0.05 0.09 70.55 11:10:06 0 28.19 0.00 0.95 0.04 0.09 70.73 11:10:06 1 29.58 0.00 0.91 0.03 0.09 69.39 11:10:06 2 27.75 0.00 0.94 0.11 0.09 71.11 11:10:06 3 27.94 0.00 0.98 0.02 0.09 70.98 11:20:06 all 9.81 0.09 0.58 0.09 0.07 89.36 11:20:06 0 9.74 0.00 0.57 0.02 0.07 89.60 11:20:06 1 10.21 0.00 0.49 0.01 0.08 89.22 11:20:06 2 9.87 0.21 0.55 0.17 0.07 89.12 11:20:06 3 9.43 0.13 0.73 0.16 0.07 89.48 11:30:21 all 2.16 0.00 0.25 0.01 0.06 97.52 11:30:21 0 1.97 0.00 0.25 0.01 0.05 97.71 11:30:21 1 2.24 0.00 0.28 0.00 0.07 97.41 11:30:21 2 2.46 0.00 0.27 0.02 0.07 97.18 11:30:21 3 1.95 0.00 0.19 0.01 0.06 97.79 11:40:26 all 11.08 0.00 0.60 0.04 0.08 88.21 11:40:26 0 10.68 0.00 0.59 0.01 0.07 88.65 11:40:26 1 11.84 0.00 0.66 0.00 0.08 87.42 11:40:26 2 10.83 0.00 0.59 0.03 0.08 88.46 11:40:26 3 10.95 0.00 0.57 0.10 0.08 88.31 11:50:27 all 9.87 0.00 0.50 0.02 0.08 89.53 11:50:27 0 9.89 0.00 0.48 0.02 0.08 89.55 11:50:27 1 9.84 0.00 0.53 0.01 0.08 89.54 11:50:27 2 9.77 0.00 0.47 0.02 0.08 89.65 11:50:27 3 9.99 0.00 0.52 0.02 0.08 89.39 12:00:18 all 20.36 0.00 0.76 0.04 0.09 78.75 12:00:18 0 19.65 0.00 0.77 0.02 0.08 79.48 12:00:18 1 19.46 0.00 0.68 0.08 0.09 79.69 12:00:18 2 21.52 0.00 0.82 0.04 0.09 77.53 12:00:18 3 20.83 0.00 0.76 0.03 0.09 78.30 12:10:23 all 10.21 0.00 0.39 0.02 0.08 89.29 12:10:23 0 10.09 0.00 0.43 0.00 0.08 89.39 12:10:23 1 10.69 0.00 0.39 0.04 0.08 88.79 12:10:23 2 9.95 0.00 0.35 0.00 0.08 89.61 12:10:23 3 10.11 0.00 0.39 0.02 0.07 89.40 Average: all 21.17 0.01 0.88 0.07 0.09 77.79 Average: 0 20.82 0.00 0.87 0.06 0.08 78.16 Average: 1 21.52 0.00 0.86 0.07 0.09 77.46 Average: 2 21.30 0.02 0.87 0.06 0.09 77.66 Average: 3 21.04 0.01 0.89 0.08 0.09 77.89