---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4733 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 718 10020 4 5250 14928 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:89:0c:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80099sec preferred_lft 80099sec inet6 fe80::f816:3eff:fe89:c8e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:e4:8b:35:e6: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 inet6 fe80::24e4:8bff:fe35:e6bf/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-4733) 03/18/26 _x86_64_ (4 CPU) 10:34:26 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:06 66.89 2.16 61.53 3.20 108.11 24760.73 11329.09 11:00:00 40.23 21.50 17.70 1.03 263.69 1422.08 1283.66 11:10:06 11.21 0.04 10.61 0.56 1.12 524.09 604.30 11:20:06 17.83 0.02 17.09 0.72 0.77 465.46 576.62 11:30:00 23.59 0.06 7.29 16.24 1.00 188.37 213984.33 11:40:06 6.22 0.01 5.97 0.24 1.22 194.26 117.63 11:50:06 6.68 0.00 6.42 0.26 0.31 161.77 110.11 12:00:01 3.99 0.00 3.99 0.00 0.00 64.19 0.03 12:10:06 12.89 0.07 12.33 0.48 4.97 637.91 370.51 Average: 21.07 2.63 15.93 2.51 42.16 3179.35 25147.25 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:06 164652 4384964 11541828 70.49 261788 3859892 13110444 75.25 1931724 13604148 584 11:00:00 4326688 8618848 7311180 44.65 273132 3936656 8136544 46.70 2042616 9361092 400 11:10:06 8118352 12505328 3427520 20.93 277976 4021684 4353520 24.99 2078356 5537532 1360 11:20:06 8406408 12845216 3087780 18.86 280540 4070712 3895140 22.36 2101072 5238392 220 11:30:00 6806448 11269684 4662352 28.48 281904 4093816 5416764 31.09 2108032 6814140 44 11:40:06 7974828 12465900 3466824 21.17 282736 4120716 4868480 27.95 2110696 5656856 752 11:50:06 5577404 10085732 5845548 35.70 283828 4136880 6644140 38.14 2114516 8041856 448 12:00:01 5293072 9803772 6127180 37.42 284256 4138848 6854116 39.34 2114928 8308756 52 12:10:06 6652492 11303752 4627932 28.27 288904 4268420 5281984 30.32 2131772 6942604 328 Average: 5924483 10364800 5566460 34.00 279452 4071958 6506792 37.35 2081524 7722820 465 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:06 lo 6.99 6.99 6.10 6.10 0.00 0.00 0.00 0.00 10:50:06 ens3 38.99 29.35 639.33 3.08 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 11:00:00 lo 22.57 22.57 12.67 12.67 0.00 0.00 0.00 0.00 11:00:00 ens3 1.28 1.14 0.32 0.30 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:06 lo 12.02 12.02 5.37 5.37 0.00 0.00 0.00 0.00 11:10:06 ens3 1.01 0.71 0.26 0.21 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 12.77 12.77 7.40 7.40 0.00 0.00 0.00 0.00 11:20:06 ens3 1.47 0.83 0.29 0.20 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 11:30:00 lo 19.52 19.52 9.35 9.35 0.00 0.00 0.00 0.00 11:30:00 ens3 0.93 0.73 0.21 0.16 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:06 lo 27.91 27.91 9.74 9.74 0.00 0.00 0.00 0.00 11:40:06 ens3 0.86 0.54 0.22 0.15 0.00 0.00 0.00 0.00 11:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:06 lo 20.48 20.48 11.44 11.44 0.00 0.00 0.00 0.00 11:50:06 ens3 1.00 0.77 0.22 0.17 0.00 0.00 0.00 0.00 11:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 14.19 14.19 7.75 7.75 0.00 0.00 0.00 0.00 12:00:01 ens3 1.61 0.80 0.33 1.63 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:06 lo 16.72 16.72 9.35 9.35 0.00 0.00 0.00 0.00 12:10:06 ens3 1.11 0.84 0.28 0.22 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.01 17.01 8.79 8.79 0.00 0.00 0.00 0.00 Average: ens3 5.40 3.99 71.85 0.68 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-4733) 03/18/26 _x86_64_ (4 CPU) 10:34:26 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:06 all 34.19 0.00 1.66 11.06 0.10 52.98 10:50:06 0 34.20 0.00 1.60 9.65 0.09 54.46 10:50:06 1 34.85 0.00 1.53 12.59 0.10 50.93 10:50:06 2 32.52 0.00 1.94 7.95 0.09 57.48 10:50:06 3 35.20 0.00 1.58 14.07 0.10 49.05 11:00:00 all 23.40 0.00 1.06 0.36 0.10 75.08 11:00:00 0 23.24 0.00 1.09 0.58 0.10 74.99 11:00:00 1 23.30 0.00 1.12 0.23 0.10 75.25 11:00:00 2 22.30 0.00 1.03 0.38 0.10 76.19 11:00:00 3 24.75 0.00 1.00 0.25 0.10 73.89 11:10:06 all 16.32 0.00 0.69 0.10 0.08 82.81 11:10:06 0 15.61 0.00 0.69 0.07 0.08 83.56 11:10:06 1 17.13 0.00 0.77 0.05 0.08 81.97 11:10:06 2 16.01 0.00 0.61 0.18 0.08 83.12 11:10:06 3 16.53 0.00 0.69 0.12 0.07 82.59 11:20:06 all 28.20 0.00 0.95 0.63 0.09 70.12 11:20:06 0 26.56 0.00 0.93 0.89 0.09 71.54 11:20:06 1 28.60 0.00 0.87 0.27 0.10 70.17 11:20:06 2 28.84 0.00 1.07 0.58 0.09 69.42 11:20:06 3 28.82 0.00 0.94 0.78 0.10 69.37 11:30:00 all 14.24 0.00 0.52 0.10 0.08 85.05 11:30:00 0 14.33 0.00 0.50 0.03 0.08 85.05 11:30:00 1 14.28 0.00 0.52 0.20 0.08 84.92 11:30:00 2 14.35 0.00 0.50 0.04 0.09 85.02 11:30:00 3 14.02 0.00 0.57 0.12 0.09 85.20 11:40:06 all 12.35 0.00 0.58 0.28 0.08 86.72 11:40:06 0 11.60 0.00 0.61 0.82 0.07 86.90 11:40:06 1 12.22 0.00 0.56 0.06 0.08 87.08 11:40:06 2 12.79 0.00 0.64 0.09 0.07 86.41 11:40:06 3 12.77 0.00 0.54 0.14 0.07 86.47 11:50:06 all 13.52 0.00 0.51 0.84 0.08 85.05 11:50:06 0 13.93 0.00 0.60 0.50 0.08 84.89 11:50:06 1 13.41 0.00 0.52 1.82 0.09 84.15 11:50:06 2 13.32 0.00 0.49 0.37 0.08 85.74 11:50:06 3 13.40 0.00 0.43 0.68 0.08 85.41 12:00:01 all 2.99 0.00 0.30 0.48 0.06 96.16 12:00:01 0 2.75 0.00 0.26 0.29 0.06 96.64 12:00:01 1 3.13 0.00 0.35 0.27 0.07 96.18 12:00:01 2 3.06 0.00 0.31 0.66 0.06 95.91 12:00:01 3 3.04 0.00 0.26 0.72 0.06 95.92 12:10:06 all 19.93 0.00 0.71 0.20 0.08 79.07 12:10:06 0 20.13 0.00 0.64 0.32 0.08 78.84 12:10:06 1 19.05 0.00 0.81 0.06 0.08 79.99 12:10:06 2 20.12 0.00 0.62 0.30 0.09 78.88 12:10:06 3 20.43 0.00 0.78 0.11 0.08 78.59 Average: all 18.36 0.00 0.78 1.57 0.08 79.20 Average: 0 18.06 0.00 0.77 1.47 0.08 79.62 Average: 1 18.45 0.00 0.78 1.73 0.09 78.94 Average: 2 18.16 0.00 0.80 1.18 0.08 79.78 Average: 3 18.79 0.00 0.76 1.90 0.08 78.47