---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54563 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 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 10927 4 4367 14952 Swap: 1023 4 1019 ---> 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:3a:8a:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79118sec preferred_lft 79118sec inet6 fe80::f816:3eff:fe3a:8a5e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:c4:a3:1a:d4:ff 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::1cc4:a3ff:fe1a:d4ff/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-54563) 03/31/26 _x86_64_ (4 CPU) 10:33:36 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 100.04 8.20 86.86 4.98 786.05 33046.69 12422.01 11:00:16 66.29 22.22 41.29 2.78 263.00 5015.81 2001.98 11:10:18 10.74 0.21 10.03 0.50 6.13 263.76 237.89 11:20:01 7.54 0.08 7.06 0.39 3.70 249.07 376.23 11:30:18 13.35 0.12 12.72 0.51 5.43 611.42 431.70 11:40:18 14.02 0.01 13.43 0.57 0.72 448.84 371.92 11:50:01 4.98 0.01 4.80 0.16 0.34 132.41 56.14 12:00:17 4.91 0.02 4.72 0.17 1.57 138.98 83.13 12:10:18 4.99 0.23 4.59 0.16 4.69 144.62 66.24 12:20:00 24.66 0.06 7.16 17.43 4.19 354.96 218100.63 12:30:18 7.85 0.01 7.55 0.28 0.65 458.59 219.52 Average: 23.66 2.88 18.28 2.50 98.34 3723.26 20664.44 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 4108936 14768104 1157444 7.07 241624 10203748 1927232 11.06 2020856 9495428 7956 11:00:16 2043968 5276908 10654792 65.08 268128 2947380 12170976 69.86 2072844 11671360 1076 11:10:18 3885828 7137900 8794996 53.72 270004 2964424 9531068 54.71 2098012 9804948 532 11:20:01 6590908 9863644 6071672 37.08 271104 2983972 7070048 40.58 2105716 7102240 100 11:30:18 10623820 14020628 1917560 11.71 275752 3103436 2850704 16.36 2132816 3065492 10020 11:40:18 7938776 11392872 4543640 27.75 277988 3158504 5323832 30.56 2137116 5730172 312 11:50:01 7996848 11466992 4469344 27.30 278668 3173860 5211960 29.92 2138516 5670136 60 12:00:17 6536368 10025508 5909992 36.10 279108 3192412 6708184 38.50 2140664 7109152 284 12:10:18 6500284 10010200 5925288 36.19 279664 3212648 6691284 38.41 2144924 7153488 208 12:20:00 10503516 14138608 1798932 10.99 283392 3334008 3005068 17.25 2156964 3159912 58588 12:30:18 7594428 11277092 4659396 28.46 284248 3380740 5688944 32.65 2176064 6042916 308 Average: 6756698 10852587 5082096 31.04 273607 3786830 6016300 34.53 2120408 6909568 7222 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 2.58 2.58 2.24 2.24 0.00 0.00 0.00 0.00 10:50:01 ens3 107.59 86.24 1692.99 9.15 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 11:00:16 lo 29.80 29.80 19.33 19.33 0.00 0.00 0.00 0.00 11:00:16 ens3 2.29 2.47 0.67 0.60 0.00 0.00 0.00 0.00 11:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:18 lo 37.74 37.74 16.10 16.10 0.00 0.00 0.00 0.00 11:10:18 ens3 2.33 1.07 0.47 0.29 0.00 0.00 0.00 0.00 11:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 13.77 13.77 6.79 6.79 0.00 0.00 0.00 0.00 11:20:01 ens3 0.70 0.43 0.15 0.10 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 11:30:18 lo 11.59 11.59 5.74 5.74 0.00 0.00 0.00 0.00 11:30:18 ens3 0.92 0.78 0.24 0.19 0.00 0.00 0.00 0.00 11:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:18 lo 19.58 19.58 10.03 10.03 0.00 0.00 0.00 0.00 11:40:18 ens3 1.29 0.79 0.26 0.17 0.00 0.00 0.00 0.00 11:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 20.22 20.22 8.54 8.54 0.00 0.00 0.00 0.00 11:50:01 ens3 0.90 0.56 0.20 0.14 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 12:00:17 lo 19.93 19.93 8.26 8.26 0.00 0.00 0.00 0.00 12:00:17 ens3 0.67 0.36 0.18 0.12 0.00 0.00 0.00 0.00 12:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:18 lo 19.30 19.30 10.14 10.14 0.00 0.00 0.00 0.00 12:10:18 ens3 1.61 1.27 0.31 1.57 0.00 0.00 0.00 0.00 12:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 14.98 14.98 8.12 8.12 0.00 0.00 0.00 0.00 12:20:00 ens3 1.01 0.73 0.27 0.43 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:18 lo 22.74 22.74 10.61 10.61 0.00 0.00 0.00 0.00 12:30:18 ens3 1.03 0.74 0.24 0.18 0.00 0.00 0.00 0.00 12:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.33 19.33 9.65 9.65 0.00 0.00 0.00 0.00 Average: ens3 10.94 8.67 154.04 1.18 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-54563) 03/31/26 _x86_64_ (4 CPU) 10:33:36 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 37.26 0.00 2.09 13.77 0.11 46.76 10:50:01 0 37.08 0.00 2.16 12.00 0.12 48.64 10:50:01 1 35.68 0.00 2.07 16.96 0.11 45.18 10:50:01 2 37.27 0.00 2.14 11.39 0.11 49.10 10:50:01 3 39.02 0.00 2.01 14.74 0.11 44.12 11:00:16 all 64.53 0.00 2.64 3.52 0.20 29.10 11:00:16 0 64.82 0.00 2.71 3.15 0.23 29.09 11:00:16 1 65.12 0.00 2.30 2.66 0.19 29.73 11:00:16 2 64.07 0.00 2.86 5.29 0.19 27.58 11:00:16 3 64.11 0.00 2.71 2.99 0.18 30.02 11:10:18 all 24.32 0.00 1.05 0.40 0.12 74.11 11:10:18 0 24.26 0.00 1.05 0.59 0.12 73.97 11:10:18 1 24.50 0.00 1.11 0.17 0.11 74.11 11:10:18 2 24.22 0.00 1.08 0.21 0.12 74.37 11:10:18 3 24.30 0.00 0.99 0.61 0.11 73.99 11:20:01 all 17.37 0.00 0.74 0.67 0.10 81.11 11:20:01 0 16.44 0.00 0.79 0.66 0.09 82.02 11:20:01 1 18.32 0.00 0.81 0.22 0.10 80.56 11:20:01 2 17.03 0.00 0.72 1.06 0.11 81.08 11:20:01 3 17.69 0.00 0.65 0.76 0.10 80.80 11:30:18 all 21.70 0.00 0.93 1.19 0.10 76.09 11:30:18 0 21.93 0.00 0.86 0.59 0.10 76.53 11:30:18 1 21.47 0.00 0.85 0.09 0.09 77.50 11:30:18 2 21.90 0.00 1.01 3.31 0.10 73.68 11:30:18 3 21.51 0.00 1.00 0.78 0.09 76.63 11:40:18 all 26.31 0.00 0.90 0.35 0.09 72.35 11:40:18 0 26.77 0.00 0.90 0.18 0.09 72.06 11:40:18 1 27.19 0.00 0.93 0.83 0.09 70.96 11:40:18 2 25.81 0.00 0.94 0.23 0.08 72.94 11:40:18 3 25.49 0.00 0.85 0.14 0.09 73.44 11:50:01 all 8.83 0.00 0.54 0.08 0.07 90.49 11:50:01 0 8.68 0.00 0.57 0.13 0.07 90.55 11:50:01 1 9.04 0.00 0.58 0.02 0.08 90.27 11:50:01 2 9.24 0.00 0.55 0.01 0.07 90.14 11:50:01 3 8.34 0.00 0.44 0.15 0.07 91.01 12:00:17 all 9.98 0.00 0.56 0.19 0.07 89.20 12:00:17 0 9.70 0.00 0.48 0.49 0.06 89.26 12:00:17 1 10.14 0.00 0.56 0.07 0.07 89.16 12:00:17 2 10.05 0.00 0.62 0.06 0.08 89.19 12:00:17 3 10.03 0.00 0.58 0.14 0.06 89.19 12:10:18 all 10.96 0.00 0.51 0.63 0.07 87.82 12:10:18 0 10.83 0.00 0.46 0.88 0.08 87.74 12:10:18 1 11.21 0.00 0.54 0.30 0.07 87.87 12:10:18 2 10.84 0.00 0.51 0.42 0.07 88.15 12:10:18 3 10.96 0.00 0.55 0.90 0.08 87.51 12:20:00 all 11.35 0.00 0.63 0.41 0.07 87.54 12:20:00 0 10.73 0.00 0.61 0.90 0.07 87.68 12:20:00 1 11.93 0.00 0.71 0.30 0.07 86.99 12:20:00 2 10.99 0.00 0.67 0.21 0.07 88.06 12:20:00 3 11.74 0.00 0.54 0.24 0.07 87.41 12:30:18 all 17.87 0.00 0.72 0.15 0.08 81.19 12:30:18 0 16.89 0.00 0.77 0.42 0.07 81.84 12:30:18 1 18.14 0.00 0.67 0.04 0.08 81.07 12:30:18 2 18.43 0.00 0.81 0.08 0.08 80.59 12:30:18 3 18.03 0.00 0.61 0.04 0.08 81.24 Average: CPU %user %nice %system %iowait %steal %idle Average: all 22.86 0.00 1.03 1.94 0.10 74.07 Average: 0 22.65 0.00 1.04 1.82 0.10 74.39 Average: 1 23.06 0.00 1.01 1.97 0.10 73.87 Average: 2 22.80 0.00 1.09 2.03 0.10 73.98 Average: 3 22.92 0.00 1.00 1.95 0.09 74.04