---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-30157 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: 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 60G 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 690 12766 3 2532 14956 Swap: 1023 31 992 ---> 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:cb:91:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82558sec preferred_lft 82558sec inet6 fe80::f816:3eff:fecb:9119/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:f3:26:81:a9:5b 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::f3:26ff:fe81:a95b/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-30157) 06/24/26 _x86_64_ (4 CPU) 13:48:34 LINUX RESTART (4 CPU) 13:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:04 142.23 9.67 112.73 19.84 1233.49 39677.73 240312.75 14:10:01 57.34 24.38 31.32 1.64 1073.94 1998.27 1314.20 14:20:01 13.16 1.16 11.35 0.65 34.04 357.35 1572.05 14:30:04 13.46 4.32 8.66 0.48 65.50 535.47 1324.95 14:40:01 18.89 0.85 17.25 0.79 22.47 797.10 965.72 14:50:01 8.23 0.52 7.37 0.34 12.40 218.22 96.68 Average: 42.29 6.81 31.51 3.97 407.21 7293.17 41116.36 13:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:04 623068 7939340 7981356 48.75 260744 6845296 10452916 60.00 2322976 12654184 1540 14:10:01 3737380 5330348 10610984 64.81 255776 1483976 12315708 70.69 1069940 11150220 2204 14:20:01 4530268 6156036 9786948 59.77 257320 1514996 11022404 63.27 1094076 10342448 816 14:30:04 10610416 12343972 3602716 22.00 261204 1613860 4495340 25.80 1136128 4242828 400 14:40:01 13247488 15152852 795244 4.86 267324 1774040 1633340 9.38 1177908 1571200 13764 14:50:01 8541684 10467788 5477816 33.46 268368 1793632 6162632 35.37 1193252 6239860 116 Average: 6881717 9565056 6375844 38.94 261789 2504300 7680390 44.09 1332380 7700123 3140 13:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:04 lo 4.06 4.06 4.59 4.59 0.00 0.00 0.00 0.00 14:00:04 ens3 130.52 93.25 2028.00 10.69 0.00 0.00 0.00 0.00 14:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 39.23 39.23 24.06 24.06 0.00 0.00 0.00 0.00 14:10:01 ens3 1.82 1.79 0.42 0.38 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 36.29 36.29 15.45 15.45 0.00 0.00 0.00 0.00 14:20:01 ens3 1.22 1.26 0.27 0.24 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:04 lo 16.22 16.22 7.31 7.31 0.00 0.00 0.00 0.00 14:30:04 ens3 1.30 1.70 0.25 1.29 0.00 0.00 0.00 0.00 14:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 15.67 15.67 8.50 8.50 0.00 0.00 0.00 0.00 14:40:01 ens3 1.10 0.96 0.29 0.25 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 27.51 27.51 11.48 11.48 0.00 0.00 0.00 0.00 14:50:01 ens3 0.84 0.70 0.19 0.15 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.14 23.14 11.88 11.88 0.00 0.00 0.00 0.00 Average: ens3 22.90 16.68 339.81 2.17 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-30157) 06/24/26 _x86_64_ (4 CPU) 13:48:34 LINUX RESTART (4 CPU) 13:50:01 CPU %user %nice %system %iowait %steal %idle 14:00:04 all 56.40 0.00 4.00 1.64 0.15 37.81 14:00:04 0 57.30 0.00 3.72 1.56 0.14 37.28 14:00:04 1 52.69 0.00 3.91 1.79 0.14 41.47 14:00:04 2 57.54 0.00 4.44 1.56 0.16 36.29 14:00:04 3 58.08 0.00 3.94 1.63 0.15 36.20 14:10:01 all 61.78 0.00 2.50 1.81 0.21 33.70 14:10:01 0 62.32 0.00 2.54 2.54 0.29 32.31 14:10:01 1 60.84 0.00 2.63 1.92 0.19 34.43 14:10:01 2 61.95 0.00 2.42 1.37 0.19 34.07 14:10:01 3 62.02 0.00 2.44 1.40 0.17 33.98 14:20:01 all 30.26 0.00 1.12 0.33 0.12 68.16 14:20:01 0 30.01 0.00 1.18 0.16 0.12 68.53 14:20:01 1 30.42 0.00 1.19 0.92 0.12 67.35 14:20:01 2 30.28 0.00 1.04 0.15 0.13 68.40 14:20:01 3 30.34 0.00 1.09 0.09 0.12 68.35 14:30:04 all 16.33 0.00 0.80 0.19 0.09 82.60 14:30:04 0 16.25 0.00 0.86 0.20 0.08 82.61 14:30:04 1 17.82 0.00 0.81 0.22 0.09 81.05 14:30:04 2 15.37 0.00 0.83 0.27 0.09 83.44 14:30:04 3 15.86 0.00 0.69 0.07 0.08 83.29 14:40:01 all 28.81 0.00 0.97 0.41 0.09 69.71 14:40:01 0 29.67 0.00 1.04 0.10 0.09 69.09 14:40:01 1 28.82 0.00 0.90 0.21 0.10 69.97 14:40:01 2 29.25 0.00 1.03 0.76 0.10 68.86 14:40:01 3 27.51 0.00 0.91 0.57 0.09 70.92 14:50:01 all 16.71 0.00 0.71 0.25 0.14 82.18 14:50:01 0 16.28 0.00 0.61 0.08 0.16 82.86 14:50:01 1 16.99 0.00 0.74 0.65 0.22 81.40 14:50:01 2 17.20 0.00 0.69 0.14 0.09 81.88 14:50:01 3 16.37 0.00 0.81 0.13 0.10 82.59 Average: all 35.01 0.00 1.68 0.77 0.13 62.40 Average: 0 35.27 0.00 1.66 0.77 0.15 62.15 Average: 1 34.55 0.00 1.70 0.95 0.14 62.66 Average: 2 35.23 0.00 1.74 0.71 0.13 62.19 Average: 3 34.99 0.00 1.65 0.65 0.12 62.60