---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6031 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 12G 66G 16% / 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 649 8750 4 6589 14997 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:cc:ad:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80335sec preferred_lft 80335sec inet6 fe80::f816:3eff:fecc:add5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:d6:11:e0:a4:d7 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-4g-6031) 03/19/26 _x86_64_ (4 CPU) 10:55:58 LINUX RESTART (4 CPU) 11:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:01 20.37 0.09 17.27 3.01 4.59 917.46 932.40 11:20:01 1.23 0.01 1.22 0.00 0.20 15.01 0.21 11:30:04 1.00 0.00 1.00 0.00 0.00 11.79 0.00 11:40:01 1.08 0.00 1.08 0.00 0.00 12.98 0.00 11:50:01 1.04 0.00 1.04 0.00 0.00 12.56 0.00 12:00:05 1.11 0.00 1.11 0.00 0.00 13.36 0.00 12:10:01 53.45 4.76 47.65 1.03 272.37 4585.48 2947.01 12:20:01 23.07 0.40 19.99 2.68 18.16 2214.88 3751.50 12:30:12 31.76 0.01 28.63 3.12 0.22 4339.61 9067.89 Average: 14.90 0.58 13.22 1.10 32.57 1349.96 1868.38 11:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 13633904 15500932 514660 3.14 79816 2012680 1133288 6.51 252772 2223624 4 11:20:01 13634156 15501544 514132 3.14 80108 2012736 1133288 6.51 253076 2222256 12 11:30:04 13634156 15501880 513720 3.14 80300 2012872 1133288 6.51 253272 2223848 176 11:40:01 13633404 15501516 514264 3.14 80544 2013008 1133352 6.51 253500 2227368 8 11:50:01 13632660 15500988 514808 3.14 80728 2013020 1133416 6.51 253700 2227168 4 12:00:05 13632156 15500844 515028 3.15 80972 2013160 1133416 6.51 253944 2228352 184 12:10:01 10941436 14104672 1857520 11.34 138464 3190468 2338372 13.42 573048 4517740 19936 12:20:01 8989260 12648376 3308784 20.21 160228 3617060 3249008 18.65 739380 6258276 23584 12:30:12 7663656 12342076 3610304 22.05 177644 4571960 3474340 19.94 1024292 7240892 36932 Average: 12154976 14678092 1318136 8.05 106534 2606329 1762419 10.12 428554 3485503 8982 11:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 11:10:01 ens3 52.56 37.25 92.94 2.67 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:01 ens3 0.25 0.09 0.04 0.02 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:04 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 11:30:04 ens3 0.19 0.09 0.04 0.02 0.00 0.00 0.00 0.00 11:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 11:40:01 ens3 0.44 0.50 0.08 0.56 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:50:01 ens3 0.17 0.07 0.04 0.02 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:05 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 12:00:05 ens3 0.21 0.13 0.07 0.04 0.00 0.00 0.00 0.00 12:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 228.42 228.42 217.47 217.47 0.00 0.00 0.00 0.00 12:10:01 ens3 110.41 82.78 1173.45 12.64 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 1418.10 1418.10 1345.56 1345.56 0.00 0.00 0.00 0.00 12:20:01 ens3 35.01 30.12 48.21 9.18 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 12:30:12 lo 1417.68 1417.68 1350.09 1350.09 0.00 0.00 0.00 0.00 12:30:12 ens3 25.92 22.92 44.99 7.22 0.00 0.00 0.00 0.00 12:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 342.61 342.61 325.66 325.66 0.00 0.00 0.00 0.00 Average: ens3 24.95 19.28 150.02 3.59 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-4g-6031) 03/19/26 _x86_64_ (4 CPU) 10:55:58 LINUX RESTART (4 CPU) 11:00:01 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 0.61 0.00 0.30 0.42 0.03 98.65 11:10:01 0 0.43 0.00 0.23 0.22 0.03 99.10 11:10:01 1 0.48 0.00 0.27 0.26 0.02 98.97 11:10:01 2 0.93 0.00 0.28 0.50 0.03 98.26 11:10:01 3 0.61 0.00 0.41 0.69 0.02 98.27 11:20:01 all 0.12 0.00 0.03 0.01 0.01 99.82 11:20:01 0 0.36 0.00 0.03 0.01 0.01 99.59 11:20:01 1 0.04 0.00 0.03 0.00 0.01 99.92 11:20:01 2 0.06 0.00 0.04 0.03 0.02 99.84 11:20:01 3 0.03 0.00 0.03 0.00 0.01 99.93 11:30:04 all 0.11 0.00 0.04 0.00 0.01 99.84 11:30:04 0 0.39 0.00 0.08 0.00 0.02 99.51 11:30:04 1 0.02 0.00 0.02 0.00 0.00 99.95 11:30:04 2 0.01 0.00 0.02 0.01 0.00 99.96 11:30:04 3 0.02 0.00 0.03 0.00 0.01 99.93 11:40:01 all 0.12 0.00 0.03 0.00 0.01 99.83 11:40:01 0 0.11 0.00 0.02 0.00 0.01 99.85 11:40:01 1 0.03 0.00 0.02 0.00 0.01 99.94 11:40:01 2 0.32 0.00 0.04 0.00 0.01 99.62 11:40:01 3 0.02 0.00 0.04 0.01 0.01 99.91 11:50:01 all 0.10 0.00 0.03 0.00 0.01 99.86 11:50:01 0 0.01 0.00 0.01 0.01 0.01 99.96 11:50:01 1 0.03 0.00 0.02 0.00 0.01 99.94 11:50:01 2 0.31 0.00 0.04 0.00 0.02 99.63 11:50:01 3 0.04 0.00 0.04 0.00 0.02 99.91 12:00:05 all 0.03 0.00 0.02 0.01 0.01 99.93 12:00:05 0 0.02 0.00 0.02 0.01 0.01 99.94 12:00:05 1 0.06 0.00 0.03 0.00 0.02 99.89 12:00:05 2 0.03 0.00 0.02 0.01 0.01 99.94 12:00:05 3 0.02 0.00 0.02 0.00 0.01 99.95 12:10:01 all 13.30 0.00 0.81 0.25 0.07 85.57 12:10:01 0 11.00 0.00 0.81 0.22 0.10 87.87 12:10:01 1 13.73 0.00 0.82 0.24 0.10 85.11 12:10:01 2 13.95 0.00 0.81 0.41 0.04 84.79 12:10:01 3 14.52 0.00 0.80 0.13 0.04 84.51 12:20:01 all 70.27 0.00 2.36 0.04 0.13 27.20 12:20:01 0 69.39 0.00 2.67 0.03 0.13 27.78 12:20:01 1 71.70 0.00 2.25 0.04 0.13 25.89 12:20:01 2 70.07 0.00 2.28 0.06 0.13 27.47 12:20:01 3 69.92 0.00 2.24 0.05 0.13 27.67 12:30:12 all 62.61 0.00 2.49 0.09 0.12 34.70 12:30:12 0 62.35 0.00 2.40 0.19 0.12 34.95 12:30:12 1 61.71 0.00 2.48 0.04 0.12 35.65 12:30:12 2 63.45 0.00 2.63 0.08 0.12 33.72 12:30:12 3 62.90 0.00 2.43 0.05 0.12 34.49 Average: all 16.42 0.00 0.68 0.09 0.04 82.76 Average: 0 16.07 0.00 0.70 0.08 0.05 83.11 Average: 1 16.48 0.00 0.66 0.06 0.05 82.75 Average: 2 16.62 0.00 0.69 0.12 0.04 82.53 Average: 3 16.51 0.00 0.67 0.11 0.04 82.67