---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-53181 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 711 10837 4 4439 14935 Swap: 1023 0 1023 ---> 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:c7:af:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79145sec preferred_lft 79145sec inet6 fe80::f816:3eff:fec7:af2c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:72:3f:27:3d:81 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::fc72:3fff:fe27:3d81/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-53181) 03/26/26 _x86_64_ (4 CPU) 14:16:47 LINUX RESTART (4 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:00 95.59 3.97 87.03 4.59 198.57 31444.18 11295.92 14:40:19 49.38 20.15 27.77 1.46 184.07 1635.57 2992.79 14:50:01 5.22 0.05 4.94 0.23 3.41 160.50 786.83 15:00:07 5.78 0.01 5.58 0.19 0.30 151.40 305.61 15:10:02 17.86 0.03 17.06 0.77 1.26 757.44 1821.55 15:20:01 12.11 0.01 11.59 0.51 0.61 352.20 426.07 15:30:19 2.69 0.00 2.67 0.02 0.03 42.92 0.74 15:40:08 23.22 0.02 7.19 16.01 1.40 238.04 215810.73 15:50:01 5.42 0.00 5.23 0.19 0.31 158.43 38.86 16:00:08 7.35 0.02 7.01 0.31 3.50 219.91 78.87 16:10:02 7.88 0.01 7.56 0.30 0.63 608.94 347.33 Average: 21.21 2.26 16.73 2.21 36.33 3252.31 20895.75 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:00 2237240 6175744 9752220 59.56 267120 3595860 11575040 66.44 2169452 11324980 76248 14:40:19 2862388 6129804 9802856 59.87 273780 2984204 11245308 64.55 2275328 10661276 172 14:50:01 7279388 10562328 5374028 32.82 274468 2999040 6882828 39.51 2279732 6256936 636 15:00:07 6358856 9652036 6283024 38.37 275096 3008660 7075620 40.61 2282248 7175232 116 15:10:02 11876448 15312556 625048 3.82 280276 3146408 1349788 7.75 2320952 1632348 10832 15:20:01 8230548 11704744 4231664 25.85 282000 3182772 5162880 29.63 2324156 5247816 460 15:30:19 7713276 11189472 4746292 28.99 282264 3184516 5464076 31.36 2324436 5766352 48 15:40:08 6532408 10047312 5887868 35.96 283060 3222420 6660976 38.23 2331956 6944912 296 15:50:01 6463936 10000636 5934308 36.24 283560 3243716 6694860 38.43 2335228 7006088 116 16:00:08 9498328 13160284 2776640 16.96 287468 3362484 4304756 24.71 2343124 3988020 96440 16:10:02 7780084 11491396 4444684 27.15 288248 3410764 5641896 32.38 2362196 5674696 528 Average: 6984809 10493301 5441694 33.24 279758 3212804 6550730 37.60 2304437 6516241 16899 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:00 lo 13.07 13.07 12.13 12.13 0.00 0.00 0.00 0.00 14:30:00 ens3 72.61 53.18 994.88 5.63 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:19 lo 46.86 46.86 21.86 21.86 0.00 0.00 0.00 0.00 14:40:19 ens3 2.07 1.78 0.48 0.40 0.00 0.00 0.00 0.00 14:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 16.87 16.87 6.80 6.80 0.00 0.00 0.00 0.00 14:50:01 ens3 0.70 0.42 0.17 0.12 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 15:00:07 lo 10.99 10.99 5.69 5.69 0.00 0.00 0.00 0.00 15:00:07 ens3 0.93 0.41 0.29 0.19 0.00 0.00 0.00 0.00 15:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:02 lo 10.48 10.48 5.04 5.04 0.00 0.00 0.00 0.00 15:10:02 ens3 0.95 0.93 0.24 0.21 0.00 0.00 0.00 0.00 15:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 13.36 13.36 7.01 7.01 0.00 0.00 0.00 0.00 15:20:01 ens3 0.73 0.64 0.16 0.12 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:19 lo 12.81 12.81 6.52 6.52 0.00 0.00 0.00 0.00 15:30:19 ens3 0.55 0.39 0.11 0.08 0.00 0.00 0.00 0.00 15:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:08 lo 28.78 28.78 11.23 11.23 0.00 0.00 0.00 0.00 15:40:08 ens3 0.66 0.51 0.15 0.11 0.00 0.00 0.00 0.00 15:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 20.76 20.76 10.92 10.92 0.00 0.00 0.00 0.00 15:50:01 ens3 0.74 0.61 0.17 0.13 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:08 lo 14.47 14.47 7.84 7.84 0.00 0.00 0.00 0.00 16:00:08 ens3 0.87 0.77 0.27 0.22 0.00 0.00 0.00 0.00 16:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:02 lo 23.38 23.38 11.01 11.01 0.00 0.00 0.00 0.00 16:10:02 ens3 0.84 0.70 0.16 0.14 0.00 0.00 0.00 0.00 16:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.30 19.30 9.67 9.67 0.00 0.00 0.00 0.00 Average: ens3 7.42 5.49 90.57 0.67 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-53181) 03/26/26 _x86_64_ (4 CPU) 14:16:47 LINUX RESTART (4 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:00 all 56.45 0.00 2.57 0.31 0.11 40.57 14:30:00 0 60.99 0.00 2.72 0.23 0.11 35.95 14:30:00 1 55.21 0.00 2.49 0.26 0.11 41.94 14:30:00 2 56.65 0.00 2.56 0.42 0.10 40.27 14:30:00 3 52.97 0.00 2.50 0.32 0.10 44.11 14:40:19 all 49.86 0.00 1.92 0.06 0.12 48.03 14:40:19 0 49.27 0.00 1.86 0.05 0.11 48.71 14:40:19 1 49.49 0.00 2.18 0.06 0.12 48.16 14:40:19 2 50.81 0.00 1.91 0.04 0.12 47.12 14:40:19 3 49.87 0.00 1.74 0.12 0.11 48.15 14:50:01 all 8.90 0.00 0.57 0.02 0.09 90.43 14:50:01 0 8.77 0.00 0.50 0.01 0.08 90.65 14:50:01 1 8.76 0.00 0.57 0.02 0.09 90.56 14:50:01 2 9.47 0.00 0.66 0.04 0.09 89.73 14:50:01 3 8.60 0.00 0.52 0.02 0.08 90.78 15:00:07 all 10.76 0.00 0.52 0.02 0.07 88.63 15:00:07 0 10.65 0.00 0.48 0.02 0.07 88.77 15:00:07 1 9.96 0.00 0.50 0.01 0.07 89.45 15:00:07 2 11.45 0.00 0.61 0.01 0.08 87.85 15:00:07 3 10.95 0.00 0.50 0.02 0.08 88.46 15:10:02 all 25.29 0.00 0.90 0.05 0.09 73.67 15:10:02 0 25.28 0.00 0.79 0.04 0.08 73.81 15:10:02 1 25.10 0.00 1.04 0.04 0.09 73.72 15:10:02 2 25.15 0.00 0.91 0.03 0.09 73.82 15:10:02 3 25.62 0.00 0.86 0.11 0.09 73.33 15:20:01 all 18.98 0.00 0.61 0.04 0.08 80.29 15:20:01 0 18.76 0.00 0.61 0.01 0.08 80.54 15:20:01 1 19.18 0.00 0.61 0.04 0.08 80.09 15:20:01 2 18.97 0.00 0.62 0.03 0.09 80.30 15:20:01 3 19.01 0.00 0.58 0.09 0.09 80.23 15:30:19 all 2.97 0.00 0.18 0.02 0.07 96.75 15:30:19 0 2.92 0.00 0.17 0.02 0.07 96.83 15:30:19 1 2.93 0.00 0.21 0.01 0.08 96.76 15:30:19 2 3.12 0.00 0.18 0.01 0.07 96.61 15:30:19 3 2.93 0.00 0.16 0.04 0.06 96.81 15:40:08 all 16.05 0.00 0.69 0.06 0.07 83.13 15:40:08 0 15.86 0.00 0.58 0.09 0.07 83.41 15:40:08 1 16.80 0.00 0.75 0.01 0.07 82.37 15:40:08 2 15.91 0.00 0.74 0.01 0.07 83.27 15:40:08 3 15.62 0.00 0.69 0.14 0.07 83.48 15:50:01 all 10.92 0.00 0.52 0.03 0.07 88.47 15:50:01 0 10.92 0.00 0.45 0.01 0.06 88.56 15:50:01 1 11.49 0.00 0.56 0.04 0.07 87.83 15:50:01 2 10.94 0.00 0.55 0.01 0.07 88.43 15:50:01 3 10.33 0.00 0.52 0.05 0.06 89.04 16:00:08 all 10.79 0.00 0.49 0.04 0.07 88.61 16:00:08 0 10.24 0.00 0.52 0.01 0.07 89.17 16:00:08 1 11.00 0.00 0.45 0.08 0.07 88.40 16:00:08 2 11.33 0.00 0.59 0.03 0.08 87.97 16:00:08 3 10.60 0.00 0.41 0.02 0.07 88.90 16:10:02 all 15.72 0.00 0.62 0.02 0.08 83.56 16:10:02 0 15.57 0.00 0.61 0.01 0.07 83.75 16:10:02 1 15.03 0.00 0.72 0.04 0.08 84.12 16:10:02 2 16.01 0.00 0.58 0.03 0.08 83.30 16:10:02 3 16.25 0.00 0.56 0.02 0.08 83.09 Average: CPU %user %nice %system %iowait %steal %idle Average: all 20.67 0.00 0.87 0.06 0.08 78.31 Average: 0 20.90 0.00 0.85 0.04 0.08 78.13 Average: 1 20.52 0.00 0.92 0.06 0.09 78.42 Average: 2 20.95 0.00 0.90 0.06 0.09 78.00 Average: 3 20.32 0.00 0.82 0.09 0.08 78.69