---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54416 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 22% / 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 686 11642 3 3659 14959 Swap: 1023 2 1021 ---> 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:bc:32:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80608sec preferred_lft 80608sec inet6 fe80::f816:3eff:febc:32b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:4f:f7:b6:d7:ae 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::144f:f7ff:feb6:d7ae/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-54416) 03/31/26 _x86_64_ (4 CPU) 06:21:41 LINUX RESTART (4 CPU) 06:30:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:28 79.20 26.09 50.19 2.92 397.21 5353.44 3774.36 06:50:08 12.59 0.16 11.73 0.70 7.30 394.37 1205.95 07:00:28 11.84 0.16 11.15 0.53 9.81 588.79 936.04 07:10:28 31.85 0.08 15.72 16.05 1.21 532.15 212762.36 07:20:28 4.25 0.03 4.06 0.15 1.33 120.11 47.60 07:30:28 4.36 0.01 4.18 0.18 0.19 131.01 62.29 07:40:28 4.63 0.02 4.45 0.16 2.20 138.12 63.93 07:50:28 4.48 0.01 4.29 0.19 0.55 144.68 91.55 Average: 19.15 3.32 13.22 2.61 52.49 926.14 27366.89 06:30:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:28 715572 3587260 12347148 75.41 264764 2630944 13418408 77.02 1950608 13167768 376 06:50:08 8446736 11349080 4587904 28.02 266564 2659824 5330384 30.60 1966760 5429008 5748 07:00:28 9910412 12930472 3010504 18.39 271392 2772588 4229752 24.28 2005360 3940744 10032 07:10:28 8410496 11505760 4434364 27.08 274972 2844208 5227716 30.01 2018004 5421552 292 07:20:28 8291596 11402484 4537348 27.71 275632 2859180 5279828 30.31 2019388 5553184 300 07:30:28 8256184 11384868 4554908 27.82 276060 2876580 5214528 29.93 2020544 5571192 36 07:40:28 6759732 9907464 6031524 36.84 276576 2895092 6744748 38.71 2023052 7064184 164 07:50:28 6676928 9845916 6093080 37.21 277336 2915592 6786264 38.95 2026488 7154856 40 Average: 7183457 10239163 5699598 34.81 272912 2806751 6528954 37.48 2003776 6662811 2124 06:30:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:28 lo 39.08 39.08 24.81 24.81 0.00 0.00 0.00 0.00 06:40:28 ens3 2.75 2.54 0.75 1.47 0.00 0.00 0.00 0.00 06:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:08 lo 37.47 37.47 15.16 15.16 0.00 0.00 0.00 0.00 06:50:08 ens3 1.15 0.97 0.23 0.19 0.00 0.00 0.00 0.00 06:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:28 lo 13.52 13.52 6.71 6.71 0.00 0.00 0.00 0.00 07:00:28 ens3 0.75 0.70 0.21 0.17 0.00 0.00 0.00 0.00 07:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:28 lo 14.86 14.86 8.13 8.13 0.00 0.00 0.00 0.00 07:10:28 ens3 0.89 0.74 0.18 0.14 0.00 0.00 0.00 0.00 07:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:28 lo 18.73 18.73 8.98 8.98 0.00 0.00 0.00 0.00 07:20:28 ens3 0.75 0.59 0.17 0.13 0.00 0.00 0.00 0.00 07:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:28 lo 22.14 22.14 7.53 7.53 0.00 0.00 0.00 0.00 07:30:28 ens3 0.51 0.34 0.12 0.08 0.00 0.00 0.00 0.00 07:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:28 lo 15.52 15.52 7.67 7.67 0.00 0.00 0.00 0.00 07:40:28 ens3 0.65 0.45 0.15 0.11 0.00 0.00 0.00 0.00 07:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:28 lo 17.46 17.46 10.44 10.44 0.00 0.00 0.00 0.00 07:50:28 ens3 1.02 0.58 0.24 0.16 0.00 0.00 0.00 0.00 07:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.25 22.25 11.14 11.14 0.00 0.00 0.00 0.00 Average: ens3 1.06 0.86 0.25 0.31 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-54416) 03/31/26 _x86_64_ (4 CPU) 06:21:41 LINUX RESTART (4 CPU) 06:30:28 CPU %user %nice %system %iowait %steal %idle 06:40:28 all 64.67 0.00 2.34 0.12 0.10 32.77 06:40:28 0 65.10 0.00 2.30 0.07 0.10 32.43 06:40:28 1 64.66 0.00 2.30 0.17 0.10 32.77 06:40:28 2 64.82 0.00 2.27 0.11 0.10 32.71 06:40:28 3 64.10 0.00 2.50 0.13 0.10 33.17 06:50:08 all 27.03 0.00 1.08 0.03 0.10 71.75 06:50:08 0 26.95 0.00 1.04 0.04 0.10 71.87 06:50:08 1 26.97 0.00 1.13 0.02 0.11 71.77 06:50:08 2 27.01 0.00 1.14 0.06 0.10 71.69 06:50:08 3 27.19 0.00 1.01 0.02 0.10 71.68 07:00:28 all 20.95 0.00 0.86 0.05 0.09 78.04 07:00:28 0 21.26 0.00 0.70 0.02 0.09 77.92 07:00:28 1 20.50 0.00 0.98 0.10 0.10 78.33 07:00:28 2 20.45 0.00 0.82 0.03 0.09 78.61 07:00:28 3 21.59 0.00 0.95 0.04 0.09 77.32 07:10:28 all 27.48 0.00 0.94 0.08 0.08 71.43 07:10:28 0 26.71 0.00 1.08 0.15 0.08 71.98 07:10:28 1 28.47 0.00 0.89 0.05 0.09 70.49 07:10:28 2 27.54 0.00 0.93 0.03 0.08 71.42 07:10:28 3 27.18 0.00 0.85 0.07 0.08 71.81 07:20:28 all 8.60 0.00 0.39 0.02 0.09 90.90 07:20:28 0 8.31 0.00 0.31 0.03 0.08 91.27 07:20:28 1 8.98 0.00 0.50 0.03 0.09 90.40 07:20:28 2 8.79 0.00 0.43 0.01 0.09 90.68 07:20:28 3 8.31 0.00 0.33 0.03 0.08 91.26 07:30:28 all 7.98 0.00 0.31 0.02 0.08 91.61 07:30:28 0 7.48 0.00 0.30 0.02 0.08 92.11 07:30:28 1 7.85 0.00 0.29 0.01 0.08 91.77 07:30:28 2 8.52 0.00 0.31 0.04 0.09 91.04 07:30:28 3 8.05 0.00 0.35 0.01 0.08 91.51 07:40:28 all 10.32 0.00 0.46 0.02 0.09 89.10 07:40:28 0 10.26 0.00 0.51 0.01 0.09 89.13 07:40:28 1 10.37 0.00 0.41 0.04 0.09 89.09 07:40:28 2 10.26 0.00 0.47 0.03 0.09 89.15 07:40:28 3 10.40 0.00 0.47 0.02 0.08 89.04 07:50:28 all 10.34 0.00 0.56 0.02 0.09 88.99 07:50:28 0 10.58 0.00 0.59 0.00 0.09 88.74 07:50:28 1 10.16 0.00 0.56 0.02 0.09 89.17 07:50:28 2 10.50 0.00 0.58 0.02 0.09 88.80 07:50:28 3 10.12 0.00 0.50 0.04 0.08 89.27 Average: all 22.14 0.00 0.87 0.05 0.09 76.86 Average: 0 22.05 0.00 0.85 0.04 0.09 76.96 Average: 1 22.22 0.00 0.88 0.05 0.09 76.75 Average: 2 22.20 0.00 0.87 0.04 0.09 76.80 Average: 3 22.08 0.00 0.87 0.04 0.09 76.92