---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54521 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 61G 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 706 11785 3 3496 14940 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:52:cb:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79546sec preferred_lft 79546sec inet6 fe80::f816:3eff:fe52:cb42/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:72:7a:3f:43:a2 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::2c72:7aff:fe3f:43a2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54521) 03/31/26 _x86_64_ (4 CPU) 10:32:09 LINUX RESTART (4 CPU) 10:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 96.68 22.72 70.20 3.76 349.92 13903.12 5803.27 11:00:13 28.84 10.94 17.08 0.82 209.00 510.24 747.96 11:10:14 7.33 1.70 5.39 0.25 34.99 168.67 93.86 11:20:01 19.94 0.20 18.84 0.90 14.56 762.50 911.65 11:30:15 24.31 0.21 8.72 15.38 4.12 238.10 206404.45 11:40:36 4.75 0.06 4.50 0.19 1.06 117.77 54.44 11:50:16 5.11 0.02 4.88 0.21 1.21 138.25 139.23 12:00:16 5.07 0.01 4.86 0.20 0.71 141.54 388.62 12:10:16 9.64 0.42 8.89 0.33 11.46 537.90 89.45 12:20:17 6.74 0.09 6.35 0.30 2.81 247.30 287.37 Average: 20.83 3.64 14.93 2.26 63.12 1668.01 21907.96 10:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 1208320 4683752 11247456 68.69 261912 3189580 12341484 70.84 1884056 12673384 1324 11:00:13 4660980 7104204 8834164 53.96 258844 2238420 9599804 55.10 1784232 9413900 648 11:10:14 4527200 6984856 8953384 54.68 259792 2251692 9637188 55.32 1801344 9516448 320 11:20:01 11010736 13598776 2344168 14.32 266208 2375648 3095196 17.77 1846388 3042036 292 11:30:15 8751500 11374484 4567084 27.89 269848 2406952 5314840 30.51 1857116 5282148 180 11:40:36 8676964 11313316 4628168 28.27 270592 2419572 5369408 30.82 1858812 5345060 360 11:50:16 7321916 9974240 5966560 36.44 271332 2434808 6779244 38.91 1861120 6702696 304 12:00:16 7280576 9950640 5990096 36.59 271988 2451904 6784868 38.95 1864496 6740808 288 12:10:16 8629820 11418948 4522848 27.62 275972 2566596 5269480 30.25 1875500 5378992 368 12:20:17 7716216 10547168 5394040 32.94 276844 2607484 6133548 35.21 1894228 6275700 572 Average: 6978423 9695038 6244797 38.14 268333 2494266 7032506 40.37 1852729 7037117 466 10:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 17.26 17.26 15.36 15.36 0.00 0.00 0.00 0.00 10:50:01 ens3 40.69 29.93 647.06 3.28 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 11:00:13 lo 32.89 32.89 14.95 14.95 0.00 0.00 0.00 0.00 11:00:13 ens3 1.62 1.59 0.32 0.29 0.00 0.00 0.00 0.00 11:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:14 lo 26.34 26.34 9.66 9.66 0.00 0.00 0.00 0.00 11:10:14 ens3 2.05 0.87 0.39 1.46 0.00 0.00 0.00 0.00 11:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 12.67 12.67 6.41 6.41 0.00 0.00 0.00 0.00 11:20:01 ens3 1.32 1.09 0.34 0.28 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 11:30:15 lo 19.42 19.42 10.21 10.21 0.00 0.00 0.00 0.00 11:30:15 ens3 0.85 0.69 0.16 0.13 0.00 0.00 0.00 0.00 11:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:36 lo 17.46 17.46 6.53 6.53 0.00 0.00 0.00 0.00 11:40:36 ens3 1.01 0.51 0.20 0.12 0.00 0.00 0.00 0.00 11:40:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:16 lo 18.74 18.74 8.39 8.39 0.00 0.00 0.00 0.00 11:50:16 ens3 0.74 0.46 0.16 0.11 0.00 0.00 0.00 0.00 11:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:16 lo 19.46 19.46 10.41 10.41 0.00 0.00 0.00 0.00 12:00:16 ens3 0.91 0.64 0.23 0.17 0.00 0.00 0.00 0.00 12:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:16 lo 18.19 18.19 10.46 10.46 0.00 0.00 0.00 0.00 12:10:16 ens3 1.44 0.97 0.37 0.28 0.00 0.00 0.00 0.00 12:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:17 lo 24.49 24.49 10.38 10.38 0.00 0.00 0.00 0.00 12:20:17 ens3 1.06 0.82 0.24 0.18 0.00 0.00 0.00 0.00 12:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.73 20.73 10.29 10.29 0.00 0.00 0.00 0.00 Average: ens3 5.15 3.74 64.58 0.63 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-54521) 03/31/26 _x86_64_ (4 CPU) 10:32:09 LINUX RESTART (4 CPU) 10:40:03 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 52.01 0.00 2.03 2.73 0.10 43.13 10:50:01 0 52.33 0.00 1.91 2.05 0.10 43.61 10:50:01 1 53.10 0.00 2.14 3.14 0.10 41.53 10:50:01 2 52.41 0.00 1.79 1.65 0.10 44.05 10:50:01 3 50.18 0.00 2.29 4.09 0.10 43.35 11:00:13 all 36.82 0.00 1.34 0.99 0.10 60.75 11:00:13 0 37.41 0.00 1.23 1.21 0.10 60.04 11:00:13 1 36.73 0.00 1.39 1.06 0.11 60.71 11:00:13 2 36.77 0.00 1.36 0.36 0.10 61.41 11:00:13 3 36.35 0.00 1.39 1.33 0.10 60.82 11:10:14 all 11.05 0.00 0.52 0.29 0.08 88.07 11:10:14 0 10.59 0.00 0.53 0.55 0.08 88.25 11:10:14 1 11.34 0.00 0.45 0.12 0.07 88.01 11:10:14 2 11.63 0.00 0.51 0.11 0.08 87.67 11:10:14 3 10.62 0.00 0.58 0.36 0.08 88.36 11:20:01 all 28.82 0.00 0.99 0.08 0.09 70.02 11:20:01 0 28.96 0.00 0.95 0.05 0.09 69.94 11:20:01 1 28.82 0.00 1.02 0.15 0.09 69.92 11:20:01 2 27.90 0.00 1.05 0.08 0.09 70.88 11:20:01 3 29.61 0.00 0.93 0.03 0.09 69.35 11:30:15 all 17.59 0.00 0.63 0.05 0.08 81.65 11:30:15 0 17.61 0.00 0.66 0.03 0.08 81.62 11:30:15 1 17.23 0.00 0.62 0.10 0.08 81.98 11:30:15 2 17.89 0.00 0.68 0.05 0.08 81.30 11:30:15 3 17.66 0.00 0.54 0.03 0.08 81.70 11:40:36 all 7.88 0.00 0.42 0.02 0.07 91.61 11:40:36 0 7.71 0.00 0.34 0.01 0.07 91.88 11:40:36 1 8.13 0.00 0.49 0.01 0.07 91.30 11:40:36 2 7.67 0.00 0.39 0.02 0.07 91.85 11:40:36 3 8.01 0.00 0.47 0.03 0.08 91.41 11:50:16 all 9.78 0.00 0.45 0.02 0.08 89.68 11:50:16 0 9.68 0.00 0.44 0.04 0.07 89.78 11:50:16 1 10.19 0.00 0.49 0.02 0.08 89.23 11:50:16 2 9.07 0.00 0.46 0.01 0.08 90.38 11:50:16 3 10.18 0.00 0.40 0.01 0.08 89.33 12:00:16 all 10.26 0.00 0.41 0.11 0.07 89.14 12:00:16 0 10.33 0.00 0.37 0.09 0.07 89.13 12:00:16 1 10.05 0.00 0.42 0.18 0.08 89.28 12:00:16 2 10.32 0.00 0.45 0.07 0.08 89.08 12:00:16 3 10.36 0.00 0.40 0.11 0.07 89.06 12:10:16 all 13.79 0.00 0.56 0.41 0.07 85.15 12:10:16 0 12.98 0.00 0.50 0.25 0.07 86.21 12:10:16 1 13.92 0.00 0.50 0.25 0.08 85.26 12:10:16 2 13.93 0.00 0.67 0.47 0.08 84.86 12:10:16 3 14.36 0.00 0.59 0.69 0.07 84.29 12:20:17 all 15.56 0.00 0.50 0.03 0.07 83.83 12:20:17 0 15.18 0.00 0.54 0.01 0.07 84.20 12:20:17 1 15.58 0.00 0.48 0.02 0.08 83.85 12:20:17 2 15.60 0.00 0.48 0.05 0.08 83.79 12:20:17 3 15.87 0.00 0.50 0.06 0.08 83.48 Average: all 20.33 0.00 0.78 0.47 0.08 78.33 Average: 0 20.26 0.00 0.75 0.43 0.08 78.48 Average: 1 20.47 0.00 0.80 0.50 0.08 78.14 Average: 2 20.30 0.00 0.78 0.29 0.08 78.54 Average: 3 20.29 0.00 0.81 0.67 0.08 78.15