---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-3037 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 702 10503 3 4783 14944 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:85:85:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79697sec preferred_lft 79697sec inet6 fe80::f816:3eff:fe85:855b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:bc:6d:ec:8b:3f 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::dcbc:6dff:feec:8b3f/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-3037) 04/15/26 _x86_64_ (4 CPU) 14:54:51 LINUX RESTART (4 CPU) 15:00:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:04 100.52 25.33 71.77 3.42 382.29 12514.60 7157.03 15:20:15 17.63 0.22 16.46 0.95 5.50 450.53 508.36 15:30:15 7.52 0.06 7.09 0.36 4.65 265.01 709.25 15:40:01 15.94 0.14 15.10 0.70 5.41 693.22 553.91 15:50:15 11.43 0.02 10.93 0.48 0.81 376.15 726.53 16:00:15 4.50 0.03 4.32 0.15 1.40 119.45 67.87 16:10:01 22.06 0.03 6.11 15.92 0.78 164.87 215589.97 16:20:15 17.67 11.70 5.64 0.33 137.33 232.24 364.17 16:30:15 5.00 0.01 4.83 0.17 0.19 156.32 84.09 16:40:01 9.07 0.01 8.63 0.43 0.61 607.22 5998.87 Average: 20.87 3.71 14.91 2.25 53.16 1520.96 22705.09 15:00:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:04 5456316 9001952 6929168 42.32 270304 3240084 8029472 46.09 2136120 8184980 3128 15:20:15 2570280 6143336 9789268 59.79 273032 3264856 11214228 64.37 2178900 11011668 236 15:30:15 2068312 5660512 10271176 62.73 274216 3282824 11053444 63.45 2184968 11513732 304 15:40:01 9861924 13588196 2349120 14.35 279828 3411148 3095660 17.77 2225276 3703612 10964 15:50:15 7702272 11477880 4458064 27.23 281604 3458640 5233820 30.04 2228788 5861324 100 16:00:15 7546852 11337780 4598088 28.08 282180 3473380 5381740 30.89 2230260 6001452 84 16:10:01 11086140 14916876 1021056 6.24 282644 3512696 1780472 10.22 2237768 2482820 17824 16:20:15 6190640 10097816 5837156 35.65 287364 3573232 6674840 38.31 2280760 7305696 296 16:30:15 7509264 11439944 4495804 27.46 288156 3595904 5295780 30.40 2283124 5992116 188 16:40:01 7157668 11215612 4719612 28.83 292160 3713232 5325256 30.57 2297424 6297088 448 Average: 6714967 10487990 5446851 33.27 281149 3452600 6308471 36.21 2228339 6835449 3357 15:00:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:04 lo 20.74 20.74 17.41 17.41 0.00 0.00 0.00 0.00 15:10:04 ens3 1.96 1.78 0.62 0.53 0.00 0.00 0.00 0.00 15:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:15 lo 47.45 47.45 20.51 20.51 0.00 0.00 0.00 0.00 15:20:15 ens3 1.63 1.49 0.33 0.29 0.00 0.00 0.00 0.00 15:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:15 lo 18.06 18.06 8.59 8.59 0.00 0.00 0.00 0.00 15:30:15 ens3 0.57 0.38 0.13 0.09 0.00 0.00 0.00 0.00 15:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 9.45 9.45 4.74 4.74 0.00 0.00 0.00 0.00 15:40:01 ens3 0.92 0.75 0.26 0.20 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:15 lo 15.79 15.79 7.43 7.43 0.00 0.00 0.00 0.00 15:50:15 ens3 0.74 0.63 0.17 0.13 0.00 0.00 0.00 0.00 15:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:15 lo 13.47 13.47 7.26 7.26 0.00 0.00 0.00 0.00 16:00:15 ens3 0.78 0.56 0.22 0.16 0.00 0.00 0.00 0.00 16:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 25.29 25.29 8.44 8.44 0.00 0.00 0.00 0.00 16:10:01 ens3 0.48 0.38 0.10 0.07 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:15 lo 20.03 20.03 11.08 11.08 0.00 0.00 0.00 0.00 16:20:15 ens3 0.76 0.67 0.17 0.14 0.00 0.00 0.00 0.00 16:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:15 lo 16.52 16.52 9.58 9.58 0.00 0.00 0.00 0.00 16:30:15 ens3 0.57 0.46 0.13 0.10 0.00 0.00 0.00 0.00 16:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:01 lo 21.87 21.87 10.53 10.53 0.00 0.00 0.00 0.00 16:40:01 ens3 1.05 0.86 0.29 0.23 0.00 0.00 0.00 0.00 16:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.92 20.92 10.57 10.57 0.00 0.00 0.00 0.00 Average: ens3 0.94 0.80 0.24 0.19 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-3037) 04/15/26 _x86_64_ (4 CPU) 14:54:51 LINUX RESTART (4 CPU) 15:00:24 CPU %user %nice %system %iowait %steal %idle 15:10:04 all 54.55 0.00 2.01 0.30 0.10 43.05 15:10:04 0 55.51 0.00 2.18 0.36 0.10 41.84 15:10:04 1 54.69 0.00 1.94 0.13 0.10 43.15 15:10:04 2 53.34 0.00 1.87 0.12 0.10 44.57 15:10:04 3 54.66 0.00 2.04 0.58 0.09 42.62 15:20:15 all 38.08 0.00 1.51 0.05 0.11 60.25 15:20:15 0 38.12 0.00 1.50 0.03 0.11 60.23 15:20:15 1 38.25 0.00 1.57 0.09 0.11 59.98 15:20:15 2 37.72 0.00 1.57 0.01 0.11 60.59 15:20:15 3 38.25 0.00 1.40 0.05 0.11 60.19 15:30:15 all 17.27 0.00 0.89 0.13 0.10 81.61 15:30:15 0 18.20 0.00 0.93 0.03 0.09 80.75 15:30:15 1 17.24 0.00 0.91 0.19 0.10 81.57 15:30:15 2 16.76 0.00 0.90 0.05 0.10 82.18 15:30:15 3 16.90 0.00 0.82 0.23 0.10 81.96 15:40:01 all 21.41 0.00 0.82 0.18 0.08 77.52 15:40:01 0 21.42 0.00 0.83 0.37 0.08 77.30 15:40:01 1 21.06 0.00 0.74 0.18 0.09 77.92 15:40:01 2 21.48 0.00 0.86 0.07 0.08 77.50 15:40:01 3 21.66 0.00 0.84 0.08 0.08 77.34 15:50:15 all 18.09 0.00 0.60 0.04 0.09 81.18 15:50:15 0 18.51 0.00 0.58 0.03 0.08 80.80 15:50:15 1 17.52 0.00 0.64 0.07 0.09 81.67 15:50:15 2 17.62 0.00 0.64 0.03 0.09 81.62 15:50:15 3 18.71 0.00 0.56 0.04 0.08 80.61 16:00:15 all 7.78 0.00 0.46 0.02 0.08 91.66 16:00:15 0 7.66 0.00 0.42 0.03 0.07 91.81 16:00:15 1 8.12 0.00 0.48 0.03 0.08 91.29 16:00:15 2 7.80 0.00 0.51 0.00 0.09 91.59 16:00:15 3 7.54 0.00 0.43 0.01 0.08 91.94 16:10:01 all 8.97 0.00 0.54 0.04 0.08 90.36 16:10:01 0 9.16 0.00 0.54 0.01 0.08 90.21 16:10:01 1 8.68 0.00 0.63 0.05 0.09 90.55 16:10:01 2 9.08 0.00 0.48 0.08 0.09 90.27 16:10:01 3 8.95 0.00 0.52 0.03 0.08 90.41 16:20:15 all 15.62 0.08 0.52 0.10 0.09 83.59 16:20:15 0 15.20 0.09 0.53 0.10 0.09 84.00 16:20:15 1 15.59 0.12 0.53 0.17 0.09 83.50 16:20:15 2 15.71 0.01 0.52 0.02 0.09 83.66 16:20:15 3 15.98 0.09 0.49 0.12 0.09 83.22 16:30:15 all 8.17 0.00 0.35 0.02 0.09 91.37 16:30:15 0 7.95 0.00 0.29 0.02 0.09 91.64 16:30:15 1 7.99 0.00 0.37 0.02 0.08 91.53 16:30:15 2 8.38 0.00 0.43 0.01 0.09 91.10 16:30:15 3 8.37 0.00 0.30 0.02 0.09 91.23 16:40:01 all 14.54 0.00 0.60 0.04 0.08 84.74 16:40:01 0 13.92 0.00 0.65 0.08 0.08 85.28 16:40:01 1 15.28 0.00 0.66 0.04 0.09 83.94 16:40:01 2 14.16 0.00 0.47 0.02 0.08 85.27 16:40:01 3 14.80 0.00 0.63 0.02 0.08 84.47 Average: all 20.38 0.01 0.83 0.09 0.09 78.60 Average: 0 20.50 0.01 0.84 0.11 0.09 78.46 Average: 1 20.38 0.01 0.84 0.10 0.09 78.58 Average: 2 20.14 0.00 0.82 0.04 0.09 78.91 Average: 3 20.52 0.01 0.80 0.12 0.09 78.47