---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4889 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 691 10508 3 4789 14955 Swap: 1023 17 1006 ---> 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:cc:ba:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79851sec preferred_lft 79851sec inet6 fe80::f816:3eff:fecc:baa9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:14:3a:ce:3c:56 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::b414:3aff:fece:3c56/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-4889) 04/20/26 _x86_64_ (4 CPU) 14:18:53 LINUX RESTART (4 CPU) 14:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:02 150.14 8.90 121.47 19.78 823.04 38756.57 235485.09 14:40:01 59.03 22.73 34.48 1.82 221.22 1925.10 3756.33 14:50:21 10.80 0.20 9.99 0.62 6.52 338.66 1969.17 15:00:21 26.14 12.08 13.48 0.58 141.17 630.92 1300.40 15:10:01 16.13 0.05 15.44 0.64 1.14 509.80 738.52 15:20:21 3.52 0.08 3.34 0.09 1.38 96.23 6.02 15:30:21 4.92 0.05 4.72 0.15 1.05 136.85 57.40 15:40:01 6.35 0.06 6.08 0.21 2.23 172.32 360.62 15:50:17 5.50 0.01 5.24 0.25 0.23 221.60 87.31 16:00:17 9.05 0.05 8.63 0.37 1.67 556.38 424.97 Average: 28.81 4.40 22.01 2.41 118.18 4251.92 23923.66 14:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:02 160640 8935636 6984228 42.66 258248 8288652 9679148 55.56 2155068 13266712 2236 14:40:01 7101124 10676880 5255732 32.10 265768 3272880 6557208 37.64 2197532 6483052 5744 14:50:21 2171568 5773124 10158952 62.05 267476 3296796 10971456 62.98 2208436 11384044 660 15:00:21 9971516 13752124 2185176 13.35 276392 3455748 2967780 17.04 2274344 3552080 11056 15:10:01 9636212 13491020 2446196 14.94 278348 3527928 3614276 20.75 2279752 3880500 13676 15:20:21 7378320 11235816 4700032 28.71 279000 3529964 5387456 30.92 2280832 6098884 104 15:30:21 7512572 11388968 4546772 27.77 279604 3548260 5271088 30.26 2282360 5982016 68 15:40:01 9207600 13122424 2814580 17.19 280364 3585924 4211588 24.17 2287380 4297848 19116 15:50:17 7892112 11830372 4106140 25.08 281308 3608416 5059856 29.04 2290028 5592532 240 16:00:17 7269740 11334008 4601744 28.11 285068 3725664 5248416 30.13 2303944 6198284 228 Average: 6830140 11154037 4779955 29.19 275158 3984023 5896827 33.85 2255968 6673595 5313 14:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:02 lo 3.82 3.82 3.99 3.99 0.00 0.00 0.00 0.00 14:30:02 ens3 133.25 101.42 1890.78 11.41 0.00 0.00 0.00 0.00 14:30:02 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 41.73 41.73 24.65 24.65 0.00 0.00 0.00 0.00 14:40:01 ens3 2.27 2.13 0.55 1.73 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:21 lo 35.63 35.63 15.40 15.40 0.00 0.00 0.00 0.00 14:50:21 ens3 0.96 0.77 0.19 0.15 0.00 0.00 0.00 0.00 14:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:21 lo 12.90 12.90 6.25 6.25 0.00 0.00 0.00 0.00 15:00:21 ens3 0.94 0.72 0.25 0.20 0.00 0.00 0.00 0.00 15:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 17.58 17.58 8.20 8.20 0.00 0.00 0.00 0.00 15:10:01 ens3 1.08 0.90 0.28 0.22 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:21 lo 13.02 13.02 7.06 7.06 0.00 0.00 0.00 0.00 15:20:21 ens3 0.53 0.49 0.11 0.09 0.00 0.00 0.00 0.00 15:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:21 lo 24.34 24.34 8.20 8.20 0.00 0.00 0.00 0.00 15:30:21 ens3 0.68 0.39 0.20 0.13 0.00 0.00 0.00 0.00 15:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 17.40 17.40 8.86 8.86 0.00 0.00 0.00 0.00 15:40:01 ens3 0.92 0.61 0.25 0.18 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 15:50:17 lo 17.42 17.42 10.26 10.26 0.00 0.00 0.00 0.00 15:50:17 ens3 0.77 0.54 0.20 0.14 0.00 0.00 0.00 0.00 15:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:17 lo 19.37 19.37 10.54 10.54 0.00 0.00 0.00 0.00 16:00:17 ens3 0.98 1.01 0.28 0.24 0.00 0.00 0.00 0.00 16:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.39 20.39 10.37 10.37 0.00 0.00 0.00 0.00 Average: ens3 13.96 10.69 185.32 1.42 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-4889) 04/20/26 _x86_64_ (4 CPU) 14:18:53 LINUX RESTART (4 CPU) 14:20:15 CPU %user %nice %system %iowait %steal %idle 14:30:02 all 51.27 0.00 2.82 1.10 0.10 44.71 14:30:02 0 51.88 0.00 2.91 1.61 0.10 43.50 14:30:02 1 49.88 0.00 2.82 1.09 0.09 46.12 14:30:02 2 51.11 0.00 2.55 0.81 0.10 45.43 14:30:02 3 52.22 0.00 2.98 0.89 0.10 43.81 14:40:01 all 58.35 0.00 2.08 1.59 0.11 37.87 14:40:01 0 58.45 0.00 2.02 0.14 0.11 39.29 14:40:01 1 57.99 0.00 2.07 0.47 0.11 39.36 14:40:01 2 58.72 0.00 2.04 0.08 0.11 39.05 14:40:01 3 58.25 0.00 2.20 5.66 0.11 33.78 14:50:21 all 29.19 0.00 1.16 0.04 0.10 69.51 14:50:21 0 28.78 0.00 1.13 0.06 0.10 69.93 14:50:21 1 28.78 0.00 1.16 0.03 0.10 69.93 14:50:21 2 30.14 0.00 1.09 0.02 0.10 68.65 14:50:21 3 29.06 0.00 1.25 0.06 0.10 69.53 15:00:21 all 19.34 0.08 0.75 0.13 0.08 79.61 15:00:21 0 19.05 0.00 0.86 0.05 0.08 79.96 15:00:21 1 19.15 0.00 0.54 0.05 0.08 80.17 15:00:21 2 19.98 0.00 0.85 0.16 0.09 78.92 15:00:21 3 19.19 0.32 0.73 0.28 0.08 79.40 15:10:01 all 25.42 0.00 0.88 0.23 0.08 73.39 15:10:01 0 25.73 0.00 0.96 0.41 0.08 72.81 15:10:01 1 25.77 0.00 0.80 0.11 0.08 73.23 15:10:01 2 25.28 0.00 0.88 0.31 0.08 73.45 15:10:01 3 24.88 0.00 0.88 0.10 0.07 74.07 15:20:21 all 4.69 0.00 0.24 0.04 0.07 94.97 15:20:21 0 4.59 0.00 0.20 0.01 0.07 95.13 15:20:21 1 4.81 0.00 0.27 0.01 0.07 94.84 15:20:21 2 4.79 0.00 0.29 0.07 0.07 94.78 15:20:21 3 4.57 0.00 0.20 0.04 0.07 95.12 15:30:21 all 8.25 0.00 0.37 0.04 0.07 91.28 15:30:21 0 7.83 0.00 0.36 0.01 0.06 91.74 15:30:21 1 8.52 0.00 0.34 0.05 0.07 91.02 15:30:21 2 8.16 0.00 0.44 0.02 0.07 91.30 15:30:21 3 8.47 0.00 0.33 0.06 0.07 91.07 15:40:01 all 13.31 0.00 0.51 0.21 0.07 85.90 15:40:01 0 13.67 0.00 0.41 0.34 0.07 85.51 15:40:01 1 12.44 0.00 0.55 0.08 0.07 86.87 15:40:01 2 13.97 0.00 0.60 0.22 0.07 85.14 15:40:01 3 13.15 0.00 0.50 0.21 0.07 86.08 15:50:17 all 10.61 0.00 0.49 0.03 0.08 88.79 15:50:17 0 10.46 0.00 0.46 0.05 0.07 88.96 15:50:17 1 10.82 0.00 0.57 0.01 0.08 88.52 15:50:17 2 10.36 0.00 0.51 0.01 0.08 89.04 15:50:17 3 10.81 0.00 0.43 0.03 0.07 88.65 16:00:17 all 14.90 0.00 0.61 0.05 0.08 84.36 16:00:17 0 15.14 0.00 0.68 0.13 0.08 83.98 16:00:17 1 15.03 0.00 0.61 0.02 0.08 84.26 16:00:17 2 14.40 0.00 0.54 0.01 0.08 84.97 16:00:17 3 15.03 0.00 0.62 0.04 0.08 84.23 Average: all 23.41 0.01 0.99 0.34 0.08 75.17 Average: 0 23.44 0.00 0.99 0.28 0.08 75.21 Average: 1 23.20 0.00 0.97 0.19 0.08 75.56 Average: 2 23.57 0.00 0.97 0.17 0.09 75.20 Average: 3 23.44 0.03 1.01 0.73 0.08 74.70