---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14896 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 700 11092 3 4197 14946 Swap: 1023 8 1015 ---> 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:f0:69:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79337sec preferred_lft 79337sec inet6 fe80::f816:3eff:fef0:69e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:c4:b2:c4:d1:dc 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::fcc4:b2ff:fec4:d1dc/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-14896) 03/23/26 _x86_64_ (4 CPU) 08:14:12 LINUX RESTART (4 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:02 96.45 23.63 69.63 3.19 373.03 10661.23 4949.88 08:40:01 22.55 4.68 16.89 0.99 91.18 484.97 1151.03 08:50:02 20.44 12.21 7.83 0.40 153.29 304.93 1950.53 09:00:09 10.58 0.17 9.95 0.46 10.01 547.07 1088.74 09:10:01 16.10 0.05 15.34 0.72 1.41 513.20 426.36 09:20:03 7.28 0.05 6.93 0.29 2.25 221.33 210.76 09:30:04 5.58 0.03 5.37 0.18 1.41 163.70 74.45 09:40:01 5.98 0.03 5.77 0.19 2.34 167.14 95.02 09:50:09 5.21 0.00 5.03 0.18 0.14 155.33 54.48 10:00:09 8.97 0.16 8.42 0.39 4.92 571.32 240.35 10:10:01 4.90 0.02 4.69 0.20 0.61 176.82 179.04 Average: 18.57 3.74 14.18 0.65 58.37 1273.06 949.42 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:02 2807300 6130328 9800024 59.85 263940 3049780 11023984 63.28 1999640 10982608 2136 08:40:01 3414768 6325144 9609828 58.69 265552 2670472 11018636 63.25 2045436 10370788 356 08:50:02 6857808 9842756 6092460 37.21 271928 2735616 7061884 40.54 2093976 6890376 440 09:00:09 8415876 11516148 4422212 27.01 276624 2841116 5275028 30.28 2131240 5292780 48 09:10:01 8196216 11372248 4566200 27.89 279032 2914436 5385348 30.91 2138488 5514084 272 09:20:03 8235824 11444208 4494224 27.45 279944 2945864 5330728 30.60 2141016 5449724 248 09:30:04 6784256 10015272 5922308 36.17 280580 2967816 6727316 38.61 2143364 6915132 300 09:40:01 6545964 9800256 6137340 37.48 281060 2990564 6834740 39.23 2147228 7147584 272 09:50:09 8197916 11475836 4462572 27.26 281808 3013476 5267536 30.24 2149644 5486464 28 10:00:09 8345036 11757208 4181400 25.54 286368 3137172 5049768 28.99 2164752 5317892 304 10:10:01 7191272 10632512 5305172 32.40 287024 3165580 5994188 34.41 2176044 6465916 344 Average: 6817476 10028356 5908522 36.09 277624 2948354 6815378 39.12 2120984 6893941 432 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:02 lo 21.57 21.57 17.35 17.35 0.00 0.00 0.00 0.00 08:30:02 ens3 2.28 1.90 0.66 0.55 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 44.52 44.52 18.71 18.71 0.00 0.00 0.00 0.00 08:40:01 ens3 1.86 1.69 0.37 1.19 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 08:50:02 lo 18.30 18.30 9.21 9.21 0.00 0.00 0.00 0.00 08:50:02 ens3 0.90 0.51 0.20 0.14 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:09 lo 9.73 9.73 4.50 4.50 0.00 0.00 0.00 0.00 09:00:09 ens3 0.82 0.61 0.23 0.18 0.00 0.00 0.00 0.00 09:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 16.60 16.60 8.33 8.33 0.00 0.00 0.00 0.00 09:10:01 ens3 0.88 0.69 0.17 0.13 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 09:20:03 lo 17.66 17.66 8.90 8.90 0.00 0.00 0.00 0.00 09:20:03 ens3 0.78 0.66 0.15 0.12 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:04 lo 28.64 28.64 11.55 11.55 0.00 0.00 0.00 0.00 09:30:04 ens3 0.75 0.47 0.19 0.13 0.00 0.00 0.00 0.00 09:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 19.44 19.44 10.39 10.39 0.00 0.00 0.00 0.00 09:40:01 ens3 0.76 0.58 0.17 0.13 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 11.83 11.83 6.40 6.40 0.00 0.00 0.00 0.00 09:50:09 ens3 0.55 0.50 0.11 0.09 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 10:00:09 lo 7.25 7.25 4.46 4.46 0.00 0.00 0.00 0.00 10:00:09 ens3 0.74 0.53 0.25 0.19 0.00 0.00 0.00 0.00 10:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 29.86 29.86 12.17 12.17 0.00 0.00 0.00 0.00 10:10:01 ens3 0.81 0.64 0.17 0.13 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 20.46 20.46 10.17 10.17 0.00 0.00 0.00 0.00 Average: ens3 1.01 0.80 0.24 0.27 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-14896) 03/23/26 _x86_64_ (4 CPU) 08:14:12 LINUX RESTART (4 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:02 all 53.26 0.00 2.09 0.17 0.11 44.37 08:30:02 0 53.29 0.00 2.03 0.29 0.11 44.28 08:30:02 1 51.81 0.00 2.30 0.17 0.11 45.61 08:30:02 2 54.00 0.00 2.15 0.09 0.11 43.64 08:30:02 3 53.93 0.00 1.87 0.12 0.11 43.96 08:40:01 all 39.34 0.00 1.46 0.05 0.12 59.03 08:40:01 0 39.12 0.00 1.50 0.04 0.11 59.23 08:40:01 1 38.93 0.00 1.45 0.02 0.12 59.48 08:40:01 2 39.36 0.00 1.48 0.08 0.12 58.96 08:40:01 3 39.95 0.00 1.42 0.07 0.11 58.45 08:50:02 all 17.41 0.07 0.85 0.08 0.09 81.50 08:50:02 0 16.69 0.00 0.86 0.03 0.08 82.34 08:50:02 1 17.53 0.02 0.89 0.03 0.09 81.43 08:50:02 2 18.08 0.27 0.79 0.21 0.09 80.56 08:50:02 3 17.33 0.00 0.85 0.06 0.08 81.68 09:00:09 all 15.26 0.00 0.66 0.03 0.07 83.97 09:00:09 0 14.85 0.00 0.62 0.02 0.07 84.44 09:00:09 1 14.86 0.00 0.66 0.03 0.08 84.37 09:00:09 2 15.76 0.00 0.62 0.01 0.08 83.53 09:00:09 3 15.58 0.00 0.73 0.07 0.07 83.55 09:10:01 all 25.36 0.00 0.83 0.06 0.08 73.66 09:10:01 0 24.91 0.00 0.87 0.05 0.08 74.09 09:10:01 1 24.85 0.00 0.77 0.02 0.08 74.27 09:10:01 2 25.94 0.00 0.82 0.16 0.08 73.00 09:10:01 3 25.75 0.00 0.85 0.03 0.08 73.30 09:20:03 all 13.31 0.00 0.50 0.02 0.07 86.09 09:20:03 0 12.99 0.00 0.51 0.04 0.07 86.40 09:20:03 1 13.36 0.00 0.47 0.01 0.07 86.09 09:20:03 2 13.61 0.00 0.49 0.02 0.07 85.81 09:20:03 3 13.29 0.00 0.55 0.01 0.07 86.08 09:30:04 all 10.57 0.00 0.47 0.02 0.07 88.87 09:30:04 0 10.73 0.00 0.42 0.02 0.06 88.77 09:30:04 1 10.69 0.00 0.54 0.02 0.07 88.68 09:30:04 2 10.36 0.00 0.54 0.03 0.08 89.00 09:30:04 3 10.49 0.00 0.39 0.02 0.07 89.03 09:40:01 all 10.09 0.00 0.53 0.02 0.08 89.28 09:40:01 0 9.88 0.00 0.51 0.04 0.07 89.50 09:40:01 1 10.38 0.00 0.52 0.02 0.08 88.99 09:40:01 2 10.40 0.00 0.62 0.01 0.07 88.90 09:40:01 3 9.70 0.00 0.47 0.01 0.07 89.74 09:50:09 all 7.43 0.00 0.41 0.02 0.07 92.06 09:50:09 0 7.31 0.00 0.36 0.03 0.06 92.24 09:50:09 1 7.71 0.00 0.45 0.05 0.07 91.72 09:50:09 2 7.51 0.00 0.46 0.01 0.08 91.94 09:50:09 3 7.21 0.00 0.36 0.00 0.07 92.36 10:00:09 all 12.46 0.00 0.59 0.03 0.07 86.85 10:00:09 0 13.01 0.00 0.52 0.02 0.06 86.40 10:00:09 1 12.75 0.00 0.65 0.01 0.08 86.51 10:00:09 2 11.88 0.00 0.57 0.02 0.08 87.45 10:00:09 3 12.21 0.00 0.60 0.09 0.07 87.04 10:10:01 all 11.99 0.00 0.54 0.02 0.07 87.39 10:10:01 0 12.09 0.00 0.49 0.02 0.06 87.34 10:10:01 1 11.55 0.00 0.57 0.04 0.06 87.78 10:10:01 2 12.33 0.00 0.62 0.01 0.07 86.97 10:10:01 3 11.98 0.00 0.47 0.00 0.07 87.48 Average: CPU %user %nice %system %iowait %steal %idle Average: all 19.66 0.01 0.81 0.05 0.08 79.39 Average: 0 19.51 0.00 0.79 0.05 0.08 79.57 Average: 1 19.47 0.00 0.84 0.04 0.08 79.56 Average: 2 19.91 0.02 0.83 0.06 0.08 79.09 Average: 3 19.75 0.00 0.78 0.04 0.08 79.35