---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-17369 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 694 12146 4 3147 14952 Swap: 1023 33 990 ---> 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:ac:6d:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79535sec preferred_lft 79535sec inet6 fe80::f816:3eff:feac:6d43/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:c9:83:49:e6:11 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::10c9:83ff:fe49:e611/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-17369) 05/21/26 _x86_64_ (4 CPU) 08:22:00 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:01 79.34 23.07 53.15 3.12 1049.11 5191.64 5443.48 08:50:00 13.43 0.61 12.17 0.65 16.43 313.85 278.22 09:00:01 8.96 0.91 7.62 0.44 24.59 271.09 283.21 09:10:01 17.60 0.08 16.86 0.67 1.81 700.03 410.57 09:20:07 14.53 0.09 13.76 0.67 2.02 457.18 2104.34 09:30:01 5.00 0.13 4.70 0.17 3.03 135.73 85.02 09:40:01 7.42 1.40 5.84 0.18 25.17 167.52 59.23 09:50:09 5.54 0.02 5.32 0.20 0.90 155.17 84.03 10:00:01 25.72 0.44 8.77 16.51 10.32 571.15 212415.57 10:10:01 4.75 0.14 4.46 0.15 5.27 154.43 51.00 Average: 18.21 2.69 13.27 2.25 113.87 811.68 21852.61 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 3947080 5804184 10134576 61.90 266376 1710536 11109732 63.77 1173296 10802136 612 08:50:00 5329136 7210968 8729192 53.31 268532 1732888 9447656 54.23 1203204 9393448 68 09:00:01 7867328 9776296 6166472 37.66 269560 1759052 6994264 40.15 1215172 6869096 72 09:10:01 11680940 13720356 2224848 13.59 275200 1883088 3056744 17.55 1266348 3014932 332 09:20:07 9408604 11514244 4429656 27.05 277836 1946668 5223848 29.98 1272404 5279176 436 09:30:01 9413972 11538512 4405332 26.91 278496 1964908 5192700 29.81 1274504 5272008 332 09:40:01 7915116 10062216 5880584 35.92 279172 1986700 6691020 38.41 1282700 6748528 268 09:50:09 7886364 10055448 5887560 35.96 279704 2008116 6708992 38.51 1286364 6782132 120 10:00:01 9148760 11452764 4491004 27.43 283864 2133928 5316980 30.52 1302632 5505348 108 10:10:01 8972200 11303788 4639804 28.34 284604 2160720 5296796 30.40 1311988 5648136 208 Average: 8156950 10243878 5698903 34.81 276334 1928660 6503873 37.33 1258861 6531494 256 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 lo 31.43 31.43 23.93 23.93 0.00 0.00 0.00 0.00 08:40:01 ens3 2.25 2.08 0.66 0.57 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 47.29 47.29 18.12 18.12 0.00 0.00 0.00 0.00 08:50:00 ens3 1.36 1.29 0.28 0.25 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 12.18 12.18 6.77 6.77 0.00 0.00 0.00 0.00 09:00:01 ens3 0.81 0.51 0.26 0.19 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 9.18 9.18 4.63 4.63 0.00 0.00 0.00 0.00 09:10:01 ens3 0.89 0.73 0.25 0.20 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:07 lo 19.25 19.25 9.90 9.90 0.00 0.00 0.00 0.00 09:20:07 ens3 1.09 0.76 0.29 0.22 0.00 0.00 0.00 0.00 09:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 21.08 21.08 8.72 8.72 0.00 0.00 0.00 0.00 09:30:01 ens3 0.82 0.62 0.23 0.17 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 26.42 26.42 11.19 11.19 0.00 0.00 0.00 0.00 09:40:01 ens3 5.65 3.89 3.64 2.52 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:09 lo 13.15 13.15 7.74 7.74 0.00 0.00 0.00 0.00 09:50:09 ens3 0.87 0.51 0.27 0.19 0.00 0.00 0.00 0.00 09:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 16.86 16.86 10.01 10.01 0.00 0.00 0.00 0.00 10:00:01 ens3 0.93 0.79 0.28 0.23 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 16.05 16.05 6.80 6.80 0.00 0.00 0.00 0.00 10:10:01 ens3 0.61 0.49 0.13 0.10 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.28 21.28 10.78 10.78 0.00 0.00 0.00 0.00 Average: ens3 1.53 1.17 0.63 0.46 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-17369) 05/21/26 _x86_64_ (4 CPU) 08:22:00 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 66.76 0.00 2.43 0.25 0.11 30.45 08:40:01 0 67.61 0.00 2.33 0.13 0.11 29.83 08:40:01 1 65.28 0.00 2.48 0.23 0.12 31.90 08:40:01 2 67.05 0.00 2.44 0.26 0.11 30.13 08:40:01 3 67.09 0.00 2.48 0.38 0.11 29.94 08:50:00 all 25.57 0.00 1.13 0.06 0.12 73.12 08:50:00 0 25.84 0.00 1.17 0.12 0.12 72.74 08:50:00 1 25.92 0.00 1.06 0.05 0.12 72.85 08:50:00 2 24.80 0.00 1.12 0.02 0.12 73.94 08:50:00 3 25.72 0.00 1.16 0.04 0.12 72.96 09:00:01 all 16.51 0.00 0.71 0.04 0.10 82.64 09:00:01 0 16.27 0.00 0.69 0.06 0.11 82.87 09:00:01 1 16.55 0.00 0.70 0.03 0.10 82.62 09:00:01 2 16.36 0.00 0.73 0.06 0.10 82.74 09:00:01 3 16.87 0.00 0.71 0.02 0.10 82.31 09:10:01 all 21.18 0.00 0.76 0.10 0.09 77.87 09:10:01 0 19.70 0.00 0.74 0.03 0.09 79.44 09:10:01 1 21.64 0.00 0.88 0.07 0.10 77.31 09:10:01 2 21.15 0.00 0.64 0.28 0.09 77.84 09:10:01 3 22.22 0.00 0.77 0.02 0.10 76.90 09:20:07 all 24.64 0.00 0.80 0.06 0.09 74.42 09:20:07 0 24.84 0.00 0.80 0.06 0.09 74.22 09:20:07 1 23.72 0.00 0.81 0.03 0.09 75.34 09:20:07 2 24.96 0.00 0.85 0.09 0.09 74.01 09:20:07 3 25.03 0.00 0.73 0.05 0.09 74.10 09:30:01 all 8.21 0.00 0.36 0.02 0.08 91.32 09:30:01 0 7.98 0.00 0.28 0.04 0.08 91.64 09:30:01 1 8.19 0.00 0.42 0.01 0.08 91.30 09:30:01 2 8.27 0.00 0.45 0.01 0.09 91.18 09:30:01 3 8.41 0.00 0.30 0.03 0.07 91.18 09:40:01 all 10.21 0.00 0.41 0.03 0.09 89.26 09:40:01 0 10.39 0.00 0.38 0.01 0.09 89.14 09:40:01 1 10.34 0.00 0.49 0.07 0.09 89.01 09:40:01 2 10.26 0.00 0.42 0.02 0.09 89.20 09:40:01 3 9.85 0.00 0.36 0.04 0.08 89.67 09:50:09 all 9.12 0.00 0.38 0.02 0.08 90.39 09:50:09 0 9.15 0.00 0.36 0.01 0.09 90.39 09:50:09 1 9.35 0.00 0.41 0.02 0.08 90.14 09:50:09 2 8.94 0.00 0.36 0.05 0.08 90.57 09:50:09 3 9.05 0.00 0.40 0.01 0.08 90.46 10:00:01 all 13.59 0.00 0.55 0.06 0.08 85.72 10:00:01 0 12.90 0.00 0.55 0.03 0.08 86.44 10:00:01 1 13.36 0.00 0.53 0.07 0.09 85.95 10:00:01 2 14.00 0.00 0.57 0.04 0.09 85.30 10:00:01 3 14.09 0.00 0.53 0.10 0.08 85.19 10:10:01 all 8.13 0.00 0.41 0.04 0.08 91.34 10:10:01 0 7.69 0.00 0.39 0.02 0.08 91.82 10:10:01 1 8.63 0.00 0.43 0.13 0.09 90.72 10:10:01 2 8.29 0.00 0.43 0.02 0.09 91.17 10:10:01 3 7.90 0.00 0.39 0.00 0.07 91.64 Average: all 20.41 0.00 0.79 0.07 0.09 78.64 Average: 0 20.26 0.00 0.77 0.05 0.09 78.83 Average: 1 20.31 0.00 0.82 0.07 0.10 78.70 Average: 2 20.42 0.00 0.80 0.08 0.10 78.60 Average: 3 20.64 0.00 0.78 0.07 0.09 78.42