---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-20685 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 695 12367 3 2927 14951 Swap: 1023 19 1004 ---> 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:12:c4:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80226sec preferred_lft 80226sec inet6 fe80::f816:3eff:fe12:c4af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:b5:fb:17:0f:27 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::cb5:fbff:fe17:f27/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-20685) 05/27/26 _x86_64_ (4 CPU) 09:15:28 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:21 76.97 4.89 68.65 3.43 174.41 22021.97 11305.19 09:40:21 46.30 19.45 25.32 1.53 926.42 1557.51 836.76 09:50:01 17.55 0.24 16.47 0.85 14.91 749.52 565.96 10:00:21 12.43 0.02 11.76 0.66 0.66 315.44 457.87 10:10:21 4.68 0.01 4.51 0.16 0.53 113.24 46.53 10:20:01 5.59 0.03 5.35 0.21 2.31 141.86 88.76 10:30:21 6.86 0.03 6.64 0.19 1.15 154.87 70.80 10:40:21 5.04 0.01 4.84 0.19 0.28 147.63 83.13 10:50:01 26.30 0.14 9.74 16.42 3.08 548.12 218972.53 Average: 22.59 2.77 17.24 2.58 125.51 2938.68 25033.76 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:21 231280 1618672 14315240 87.43 252372 1247576 15494420 88.94 1028604 14640464 272 09:40:21 5452044 7276448 8664064 52.92 264740 1671812 9452684 54.26 1160176 9308424 1068 09:50:01 13013812 14969248 978336 5.98 270260 1796508 1790308 10.28 1215944 1739892 184 10:00:21 9510536 11505924 4439612 27.12 272928 1833812 5260428 30.19 1220812 5225608 120 10:10:21 9598100 11607060 4338488 26.50 273512 1846800 5161612 29.63 1222176 5132112 68 10:20:01 8045152 10071436 5873704 35.87 273892 1863756 6699388 38.45 1224600 6666228 288 10:30:21 7991164 10036904 5907840 36.08 274392 1882716 6777228 38.90 1228044 6724468 160 10:40:21 13240080 15342476 605180 3.70 276208 1936456 1377764 7.91 1233392 1480748 36212 10:50:01 9146496 11340768 4604732 28.12 280732 2020512 5244816 30.11 1251956 5543428 120 Average: 8469852 10418771 5525244 33.75 271004 1788883 6362072 36.52 1198412 6273486 4277 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:21 lo 17.90 17.90 16.43 16.43 0.00 0.00 0.00 0.00 09:30:21 ens3 38.73 28.65 629.92 3.22 0.00 0.00 0.00 0.00 09:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:21 lo 49.72 49.72 22.85 22.85 0.00 0.00 0.00 0.00 09:40:21 ens3 7.67 5.59 4.04 3.95 0.00 0.00 0.00 0.00 09:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 22.12 22.12 8.77 8.77 0.00 0.00 0.00 0.00 09:50:01 ens3 1.44 1.07 0.43 0.34 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:21 lo 20.24 20.24 10.70 10.70 0.00 0.00 0.00 0.00 10:00:21 ens3 1.42 0.83 0.42 0.30 0.00 0.00 0.00 0.00 10:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:21 lo 13.25 13.25 5.69 5.69 0.00 0.00 0.00 0.00 10:10:21 ens3 0.58 0.40 0.11 0.08 0.00 0.00 0.00 0.00 10:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 22.43 22.43 8.86 8.86 0.00 0.00 0.00 0.00 10:20:01 ens3 0.40 0.27 0.08 0.05 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:21 lo 20.55 20.55 10.44 10.44 0.00 0.00 0.00 0.00 10:30:21 ens3 0.65 0.64 0.14 0.12 0.00 0.00 0.00 0.00 10:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:21 lo 15.19 15.19 8.43 8.43 0.00 0.00 0.00 0.00 10:40:21 ens3 0.77 0.61 0.20 0.15 0.00 0.00 0.00 0.00 10:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 24.02 24.02 11.31 11.31 0.00 0.00 0.00 0.00 10:50:01 ens3 1.10 0.83 0.31 0.24 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.79 22.79 11.53 11.53 0.00 0.00 0.00 0.00 Average: ens3 6.00 4.43 72.95 0.95 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-20685) 05/27/26 _x86_64_ (4 CPU) 09:15:28 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:21 all 57.17 0.00 2.45 0.30 0.09 40.00 09:30:21 0 55.38 0.00 2.57 0.25 0.09 41.72 09:30:21 1 58.11 0.00 2.62 0.27 0.09 38.91 09:30:21 2 56.58 0.00 2.16 0.20 0.09 40.97 09:30:21 3 58.60 0.00 2.44 0.49 0.09 38.38 09:40:21 all 52.31 0.00 2.01 0.18 0.10 45.40 09:40:21 0 52.47 0.00 1.95 0.11 0.10 45.37 09:40:21 1 52.45 0.00 1.96 0.11 0.10 45.38 09:40:21 2 52.58 0.00 2.08 0.35 0.10 44.89 09:40:21 3 51.75 0.00 2.05 0.16 0.10 45.94 09:50:01 all 26.57 0.00 1.19 0.07 0.09 72.09 09:50:01 0 26.12 0.00 1.25 0.06 0.09 72.48 09:50:01 1 27.02 0.00 1.22 0.03 0.09 71.64 09:50:01 2 26.82 0.00 1.08 0.08 0.09 71.93 09:50:01 3 26.30 0.00 1.19 0.09 0.10 72.31 10:00:21 all 25.51 0.00 0.89 0.06 0.08 73.46 10:00:21 0 26.42 0.00 0.90 0.12 0.07 72.49 10:00:21 1 26.38 0.00 0.88 0.02 0.08 72.64 10:00:21 2 25.37 0.00 0.88 0.05 0.08 73.61 10:00:21 3 23.86 0.00 0.92 0.04 0.08 75.10 10:10:21 all 7.44 0.00 0.41 0.17 0.07 91.91 10:10:21 0 7.14 0.00 0.40 0.01 0.07 92.38 10:10:21 1 7.48 0.00 0.48 0.01 0.08 91.95 10:10:21 2 7.78 0.00 0.39 0.01 0.07 91.75 10:10:21 3 7.39 0.00 0.37 0.63 0.06 91.55 10:20:01 all 9.07 0.00 0.37 0.02 0.07 90.47 10:20:01 0 8.84 0.00 0.36 0.03 0.07 90.69 10:20:01 1 8.56 0.00 0.40 0.02 0.07 90.96 10:20:01 2 9.33 0.00 0.42 0.01 0.08 90.16 10:20:01 3 9.53 0.00 0.31 0.03 0.07 90.06 10:30:21 all 10.40 0.00 0.44 0.03 0.08 89.06 10:30:21 0 10.43 0.00 0.45 0.02 0.08 89.01 10:30:21 1 10.70 0.00 0.44 0.03 0.08 88.75 10:30:21 2 9.78 0.00 0.44 0.02 0.08 89.68 10:30:21 3 10.68 0.00 0.41 0.05 0.07 88.78 10:40:21 all 8.14 0.00 0.49 0.02 0.07 91.27 10:40:21 0 7.86 0.00 0.48 0.02 0.06 91.57 10:40:21 1 8.66 0.00 0.60 0.01 0.08 90.64 10:40:21 2 7.92 0.00 0.48 0.02 0.07 91.51 10:40:21 3 8.12 0.00 0.43 0.03 0.07 91.35 10:50:01 all 14.97 0.00 0.59 0.06 0.08 84.30 10:50:01 0 14.26 0.00 0.65 0.08 0.08 84.94 10:50:01 1 14.75 0.00 0.51 0.08 0.07 84.59 10:50:01 2 14.61 0.00 0.57 0.06 0.08 84.67 10:50:01 3 16.26 0.00 0.63 0.03 0.08 83.00 Average: all 23.65 0.00 0.99 0.10 0.08 75.18 Average: 0 23.37 0.00 1.01 0.08 0.08 75.47 Average: 1 23.93 0.00 1.02 0.07 0.08 74.90 Average: 2 23.56 0.00 0.95 0.09 0.08 75.32 Average: 3 23.75 0.00 0.98 0.17 0.08 75.02