---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23837 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 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 700 11099 4 4189 14946 Swap: 1023 3 1020 ---> 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:10:c2:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79501sec preferred_lft 79501sec inet6 fe80::f816:3eff:fe10:c2d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:e1:52:20:af:89 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-23837) 02/27/26 _x86_64_ (4 CPU) 13:20:28 LINUX RESTART (4 CPU) 13:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:19 52.58 3.72 32.12 16.74 133.20 3522.68 214160.49 13:50:03 7.40 0.08 6.98 0.34 2.08 199.00 1503.95 14:00:29 12.08 1.90 9.70 0.48 102.24 527.09 1432.88 14:10:29 18.12 0.02 17.30 0.80 0.75 553.03 373.88 14:20:29 7.70 0.01 7.42 0.27 0.95 213.73 130.13 14:30:23 4.90 0.01 4.72 0.17 1.67 138.57 195.93 14:40:29 5.82 0.01 5.64 0.17 1.08 153.35 59.51 14:50:29 5.02 0.03 4.80 0.20 1.27 145.19 57.81 15:00:16 11.16 0.06 10.59 0.51 1.83 598.28 258.08 15:10:23 4.70 0.02 4.53 0.15 0.51 154.22 47.38 Average: 12.96 0.59 10.39 1.98 24.99 621.35 21848.72 13:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:19 7166688 10126664 5811288 35.49 263528 2691680 6829744 39.20 1918836 6729280 248 13:50:03 9140824 12114816 3824192 23.36 264648 2704584 6112068 35.08 1937460 4754940 6436 14:00:29 9253564 12354652 3584212 21.89 270180 2826112 4402680 25.27 1952844 4627624 192 14:10:29 9752992 12937544 3001468 18.33 272508 2907260 3670236 21.07 1977100 4104648 124 14:20:29 8045152 11259392 4678668 28.58 273472 2935984 5325448 30.57 1979204 5803896 180 14:30:23 8216356 11450488 4487460 27.41 274184 2955164 5153080 29.58 1980932 5630556 64 14:40:29 6579532 9833968 6103144 37.28 275100 2974548 6771804 38.87 1983300 7259492 76 14:50:29 6683196 9959412 5977740 36.51 275872 2995560 6647468 38.16 1987084 7143788 72 15:00:16 9274340 12694944 3244024 19.81 279800 3135072 4254192 24.42 2026464 4532508 23120 15:10:23 9412580 12859596 3079460 18.81 280200 3161052 4182768 24.01 2037904 4384016 24796 Average: 8352522 11559148 4379166 26.75 272949 2928702 5334949 30.62 1978113 5497075 5531 13:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:19 lo 19.28 19.28 15.49 15.49 0.00 0.00 0.00 0.00 13:40:19 ens3 1.78 1.20 0.36 1.21 0.00 0.00 0.00 0.00 13:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:03 lo 14.06 14.06 6.66 6.66 0.00 0.00 0.00 0.00 13:50:03 ens3 0.63 0.49 0.15 0.12 0.00 0.00 0.00 0.00 13:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:29 lo 12.07 12.07 7.06 7.06 0.00 0.00 0.00 0.00 14:00:29 ens3 0.73 0.96 0.20 1.01 0.00 0.00 0.00 0.00 14:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:29 lo 13.21 13.21 7.78 7.78 0.00 0.00 0.00 0.00 14:10:29 ens3 0.89 0.78 0.20 0.17 0.00 0.00 0.00 0.00 14:10:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:29 lo 19.85 19.85 9.39 9.39 0.00 0.00 0.00 0.00 14:20:29 ens3 0.70 0.66 0.15 0.13 0.00 0.00 0.00 0.00 14:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:23 lo 26.97 26.97 9.35 9.35 0.00 0.00 0.00 0.00 14:30:23 ens3 0.45 0.36 0.10 0.07 0.00 0.00 0.00 0.00 14:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:29 lo 16.45 16.45 8.36 8.36 0.00 0.00 0.00 0.00 14:40:29 ens3 0.81 0.52 0.20 0.14 0.00 0.00 0.00 0.00 14:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:29 lo 11.27 11.27 7.19 7.19 0.00 0.00 0.00 0.00 14:50:29 ens3 0.56 0.42 0.16 0.12 0.00 0.00 0.00 0.00 14:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:16 lo 18.19 18.19 10.15 10.15 0.00 0.00 0.00 0.00 15:00:16 ens3 0.91 0.79 0.27 0.22 0.00 0.00 0.00 0.00 15:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:23 lo 16.74 16.74 6.83 6.83 0.00 0.00 0.00 0.00 15:10:23 ens3 0.74 0.55 0.21 0.16 0.00 0.00 0.00 0.00 15:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.78 16.78 8.82 8.82 0.00 0.00 0.00 0.00 Average: ens3 0.82 0.67 0.20 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-23837) 02/27/26 _x86_64_ (4 CPU) 13:20:28 LINUX RESTART (4 CPU) 13:30:18 CPU %user %nice %system %iowait %steal %idle 13:40:19 all 35.24 0.00 1.44 0.28 0.09 62.95 13:40:19 0 35.17 0.00 1.51 0.18 0.09 63.06 13:40:19 1 34.68 0.00 1.59 0.30 0.09 63.34 13:40:19 2 35.57 0.00 1.30 0.50 0.09 62.54 13:40:19 3 35.55 0.00 1.36 0.15 0.09 62.85 13:50:03 all 13.52 0.00 0.54 0.03 0.06 85.85 13:50:03 0 13.26 0.00 0.53 0.01 0.06 86.14 13:50:03 1 13.75 0.00 0.53 0.04 0.07 85.61 13:50:03 2 14.04 0.00 0.59 0.04 0.07 85.25 13:50:03 3 13.03 0.00 0.51 0.02 0.06 86.38 14:00:29 all 15.91 0.00 0.60 0.07 0.08 83.34 14:00:29 0 15.48 0.00 0.51 0.04 0.07 83.90 14:00:29 1 16.78 0.00 0.81 0.10 0.08 82.22 14:00:29 2 15.46 0.00 0.54 0.05 0.07 83.87 14:00:29 3 15.94 0.00 0.53 0.09 0.08 83.36 14:10:29 all 27.86 0.00 0.97 0.48 0.09 70.61 14:10:29 0 26.63 0.00 1.10 0.51 0.09 71.67 14:10:29 1 27.54 0.00 0.82 0.03 0.09 71.53 14:10:29 2 29.12 0.00 0.94 0.63 0.09 69.22 14:10:29 3 28.14 0.00 1.02 0.73 0.08 70.03 14:20:29 all 13.91 0.00 0.52 0.09 0.07 85.41 14:20:29 0 13.89 0.00 0.49 0.01 0.07 85.55 14:20:29 1 14.33 0.00 0.49 0.06 0.07 85.05 14:20:29 2 13.30 0.00 0.68 0.25 0.07 85.70 14:20:29 3 14.13 0.00 0.45 0.03 0.07 85.32 14:30:23 all 8.38 0.00 0.37 0.02 0.07 91.16 14:30:23 0 8.68 0.00 0.34 0.01 0.06 90.92 14:30:23 1 8.59 0.00 0.42 0.02 0.07 90.89 14:30:23 2 8.24 0.00 0.35 0.03 0.06 91.32 14:30:23 3 8.00 0.00 0.38 0.04 0.07 91.51 14:40:29 all 9.62 0.00 0.43 0.06 0.07 89.82 14:40:29 0 9.47 0.00 0.39 0.07 0.06 90.01 14:40:29 1 9.97 0.00 0.41 0.05 0.07 89.51 14:40:29 2 9.94 0.00 0.44 0.05 0.08 89.49 14:40:29 3 9.10 0.00 0.48 0.09 0.07 90.27 14:50:29 all 9.71 0.00 0.50 0.03 0.07 89.68 14:50:29 0 9.86 0.00 0.46 0.09 0.06 89.54 14:50:29 1 9.61 0.00 0.52 0.01 0.07 89.80 14:50:29 2 10.14 0.00 0.53 0.02 0.07 89.23 14:50:29 3 9.25 0.00 0.51 0.01 0.07 90.16 15:00:16 all 17.48 0.00 0.70 0.04 0.07 81.71 15:00:16 0 17.56 0.00 0.64 0.01 0.07 81.71 15:00:16 1 18.07 0.00 0.78 0.06 0.07 81.02 15:00:16 2 16.90 0.00 0.68 0.05 0.08 82.29 15:00:16 3 17.39 0.00 0.67 0.03 0.07 81.83 15:10:23 all 7.63 0.00 0.41 0.03 0.07 91.87 15:10:23 0 7.82 0.00 0.40 0.01 0.06 91.71 15:10:23 1 7.59 0.00 0.40 0.07 0.07 91.87 15:10:23 2 7.82 0.00 0.46 0.02 0.06 91.63 15:10:23 3 7.26 0.00 0.38 0.02 0.07 92.27 Average: all 15.93 0.00 0.65 0.11 0.07 83.24 Average: 0 15.78 0.00 0.64 0.09 0.07 83.42 Average: 1 16.09 0.00 0.68 0.07 0.08 83.08 Average: 2 16.05 0.00 0.65 0.17 0.07 83.06 Average: 3 15.79 0.00 0.63 0.12 0.07 83.39