---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-58130 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 687 11756 3 3545 14959 Swap: 1023 18 1005 ---> 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:c0:3f:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79538sec preferred_lft 79538sec inet6 fe80::f816:3eff:fec0:3fba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:f0:57:d6:22:bf 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::88f0:57ff:fed6:22bf/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-58130) 03/31/26 _x86_64_ (4 CPU) 11:04:16 LINUX RESTART (4 CPU) 11:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:00 83.47 2.52 77.39 3.56 127.49 28135.98 10563.55 11:30:11 57.44 29.02 26.97 1.45 396.84 1796.10 1181.43 11:40:11 7.73 1.26 6.15 0.32 28.78 219.95 581.89 11:50:02 7.97 0.15 7.47 0.35 2.60 225.97 389.54 12:00:10 21.88 1.98 18.99 0.91 36.29 835.95 2562.29 12:10:11 9.46 0.06 9.03 0.36 2.28 279.22 384.76 12:20:11 4.87 0.09 4.62 0.15 1.71 135.65 63.95 12:30:01 7.70 0.03 7.41 0.26 1.67 253.40 746.94 12:40:27 4.85 0.07 4.57 0.21 1.34 148.38 54.61 12:50:28 25.90 0.16 9.27 16.46 7.83 568.73 209906.85 Average: 23.06 3.58 17.08 2.40 61.06 3208.66 22578.15 11:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:00 2356568 6441644 9487704 57.95 260936 3734024 11274716 64.72 2010812 11340952 2024 11:30:11 4648820 6986184 8953296 54.68 268484 2127636 10287356 59.05 1800428 9426400 2928 11:40:11 8703224 11063224 4876428 29.78 269508 2149288 5614028 32.22 1818620 5339584 136 11:50:02 7315628 9692948 6248328 38.16 270696 2165400 7034016 40.38 1823788 6730608 288 12:00:10 11129056 13657248 2286468 13.96 276816 2310184 3056396 17.54 1873232 2904512 212 12:10:11 8865108 11431880 4510532 27.55 278076 2347504 5295208 30.39 1875992 5155392 112 12:20:11 8872372 11457540 4484796 27.39 278632 2365356 5232508 30.03 1877592 5134252 300 12:30:01 9606860 12229524 3713504 22.68 279316 2402140 4956832 28.45 1882728 4410128 488 12:40:27 9127304 11772496 4170168 25.47 280052 2423932 5088240 29.21 1885376 4882920 268 12:50:28 8462568 11238588 4703856 28.73 284036 2550480 5355248 30.74 1906388 5527216 188 Average: 7908751 10597128 5343508 32.64 274655 2457594 6319455 36.27 1875496 6085196 694 11:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:00 lo 6.74 6.74 7.72 7.72 0.00 0.00 0.00 0.00 11:20:00 ens3 38.92 29.31 655.47 3.15 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:11 lo 38.14 38.14 18.99 18.99 0.00 0.00 0.00 0.00 11:30:11 ens3 1.86 1.71 0.42 0.37 0.00 0.00 0.00 0.00 11:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:11 lo 31.46 31.46 13.25 13.25 0.00 0.00 0.00 0.00 11:40:11 ens3 1.30 0.66 0.27 0.17 0.00 0.00 0.00 0.00 11:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:02 lo 10.04 10.04 6.25 6.25 0.00 0.00 0.00 0.00 11:50:02 ens3 0.72 0.36 0.16 0.10 0.00 0.00 0.00 0.00 11:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:10 lo 14.16 14.16 6.92 6.92 0.00 0.00 0.00 0.00 12:00:10 ens3 1.91 2.26 0.38 1.51 0.00 0.00 0.00 0.00 12:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:11 lo 18.67 18.67 9.81 9.81 0.00 0.00 0.00 0.00 12:10:11 ens3 1.31 0.70 0.29 0.20 0.00 0.00 0.00 0.00 12:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:11 lo 26.33 26.33 9.57 9.57 0.00 0.00 0.00 0.00 12:20:11 ens3 0.77 0.44 0.18 0.12 0.00 0.00 0.00 0.00 12:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 21.06 21.06 9.99 9.99 0.00 0.00 0.00 0.00 12:30:01 ens3 0.88 0.60 0.20 0.15 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:27 lo 17.45 17.45 10.65 10.65 0.00 0.00 0.00 0.00 12:40:27 ens3 1.47 0.58 0.34 0.20 0.00 0.00 0.00 0.00 12:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:28 lo 18.97 18.97 9.89 9.89 0.00 0.00 0.00 0.00 12:50:28 ens3 1.11 0.91 0.29 0.23 0.00 0.00 0.00 0.00 12:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.35 20.35 10.33 10.33 0.00 0.00 0.00 0.00 Average: ens3 4.96 3.70 64.53 0.62 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-58130) 03/31/26 _x86_64_ (4 CPU) 11:04:16 LINUX RESTART (4 CPU) 11:10:10 CPU %user %nice %system %iowait %steal %idle 11:20:00 all 42.30 0.00 2.00 9.22 0.11 46.38 11:20:00 0 45.92 0.00 2.04 8.18 0.11 43.75 11:20:00 1 40.10 0.00 2.06 9.69 0.11 48.05 11:20:00 2 41.38 0.00 2.02 6.15 0.11 50.33 11:20:00 3 41.78 0.00 1.87 12.85 0.10 43.40 11:30:11 all 54.76 0.00 2.21 3.21 0.16 39.66 11:30:11 0 54.80 0.00 2.15 3.26 0.16 39.63 11:30:11 1 55.04 0.00 2.26 1.87 0.16 40.68 11:30:11 2 55.50 0.00 2.23 2.66 0.16 39.46 11:30:11 3 53.69 0.00 2.22 5.04 0.17 38.87 11:40:11 all 14.00 0.00 0.83 0.58 0.08 84.52 11:40:11 0 14.04 0.00 0.85 0.36 0.08 84.67 11:40:11 1 14.31 0.00 0.82 0.99 0.08 83.80 11:40:11 2 14.23 0.00 0.83 0.28 0.08 84.58 11:40:11 3 13.40 0.00 0.81 0.71 0.07 85.01 11:50:02 all 16.63 0.00 0.64 0.09 0.07 82.58 11:50:02 0 17.15 0.00 0.67 0.13 0.06 81.98 11:50:02 1 16.31 0.00 0.58 0.11 0.07 82.94 11:50:02 2 16.48 0.00 0.72 0.03 0.07 82.71 11:50:02 3 16.59 0.00 0.59 0.08 0.06 82.68 12:00:10 all 30.12 0.00 1.06 0.24 0.11 68.47 12:00:10 0 28.96 0.00 1.03 0.13 0.11 69.77 12:00:10 1 29.68 0.00 1.13 0.13 0.11 68.94 12:00:10 2 31.98 0.00 1.17 0.31 0.11 66.43 12:00:10 3 29.84 0.00 0.91 0.39 0.10 68.76 12:10:11 all 19.52 0.00 0.68 0.94 0.08 78.78 12:10:11 0 19.04 0.00 0.61 0.68 0.08 79.60 12:10:11 1 19.65 0.00 0.72 1.69 0.08 77.87 12:10:11 2 19.96 0.00 0.74 0.60 0.08 78.63 12:10:11 3 19.46 0.00 0.65 0.81 0.08 79.01 12:20:11 all 9.27 0.00 0.44 0.14 0.06 90.08 12:20:11 0 9.40 0.00 0.40 0.10 0.06 90.04 12:20:11 1 8.71 0.00 0.42 0.12 0.06 90.69 12:20:11 2 9.58 0.00 0.46 0.13 0.06 89.77 12:20:11 3 9.39 0.00 0.50 0.22 0.06 89.84 12:30:01 all 15.69 0.00 0.65 0.07 0.07 83.52 12:30:01 0 15.30 0.00 0.61 0.07 0.08 83.94 12:30:01 1 16.02 0.00 0.80 0.03 0.08 83.07 12:30:01 2 15.34 0.00 0.62 0.02 0.08 83.95 12:30:01 3 16.09 0.00 0.58 0.15 0.07 83.12 12:40:27 all 11.96 0.00 0.53 0.27 0.07 87.16 12:40:27 0 11.82 0.00 0.56 0.18 0.07 87.38 12:40:27 1 12.12 0.00 0.57 0.05 0.08 87.18 12:40:27 2 11.81 0.00 0.53 0.57 0.08 87.02 12:40:27 3 12.11 0.00 0.48 0.29 0.07 87.06 12:50:28 all 17.14 0.00 0.73 0.37 0.08 81.69 12:50:28 0 17.63 0.00 0.70 0.27 0.07 81.33 12:50:28 1 17.47 0.00 0.71 0.63 0.08 81.11 12:50:28 2 16.75 0.00 0.73 0.27 0.08 82.17 12:50:28 3 16.69 0.00 0.79 0.30 0.08 82.15 Average: all 23.14 0.00 0.98 1.50 0.09 74.30 Average: 0 23.40 0.00 0.96 1.33 0.09 74.22 Average: 1 22.95 0.00 1.01 1.51 0.09 74.45 Average: 2 23.30 0.00 1.00 1.09 0.09 74.52 Average: 3 22.90 0.00 0.94 2.06 0.09 74.01