---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54531 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: 5600.00 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 708 11800 4 3480 14938 Swap: 1023 2 1021 ---> 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:e6:69:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79502sec preferred_lft 79502sec inet6 fe80::f816:3eff:fee6:6905/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:39:17:4f:a0:dc 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::5439:17ff:fe4f:a0dc/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-54531) 03/31/26 _x86_64_ (4 CPU) 10:32:34 LINUX RESTART (4 CPU) 10:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:06 100.15 24.30 72.69 3.16 400.08 12527.58 5175.38 11:00:06 30.42 11.17 18.30 0.95 219.91 510.14 1037.28 11:10:01 22.87 0.28 6.82 15.77 13.02 251.28 212678.77 11:20:00 12.82 0.15 12.08 0.60 9.84 617.59 364.99 11:30:06 16.69 0.02 15.86 0.81 1.02 509.20 690.07 11:40:01 5.22 0.02 4.99 0.21 1.82 138.95 102.61 11:50:06 4.62 0.02 4.38 0.21 1.49 144.86 116.94 12:00:06 5.06 0.00 4.87 0.19 0.31 142.81 100.28 12:10:01 5.81 0.00 5.63 0.18 0.13 167.28 96.77 12:20:06 9.62 0.42 8.82 0.38 13.03 568.67 89.37 Average: 21.38 3.65 15.50 2.23 66.31 1566.59 21848.40 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:06 1175476 3348788 12587052 76.88 265172 1986224 13544772 77.75 1770040 12934364 372 11:00:06 4952720 7218244 8719584 53.26 268748 2075092 9510488 54.59 1860996 9064532 540 11:10:01 6263484 8559388 7381824 45.09 270232 2103988 8478436 48.67 1874348 7758512 352 11:20:00 12893732 15318356 625708 3.82 275392 2227524 1365092 7.84 1923444 1107904 10072 11:30:06 9075548 11563632 4378764 26.74 278192 2288184 5156092 29.60 1929480 4911804 256 11:40:01 8932400 11438288 4504160 27.51 278872 2305324 5273848 30.27 1931252 5051604 344 11:50:06 7337956 9864832 6076712 37.11 279236 2325964 6779268 38.91 1933412 6630548 236 12:00:06 7423028 9970096 5971536 36.47 279964 2345428 6798268 39.02 1936892 6533140 284 12:10:01 8929700 11499960 4442576 27.13 280732 2367856 5248972 30.13 1939332 5045872 180 12:20:06 8545696 11246516 4695660 28.68 285132 2493332 5308080 30.47 1956180 5409256 572 Average: 7552974 10002810 5938358 36.27 276167 2251892 6746332 38.72 1905538 6444754 1321 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:06 lo 19.49 19.49 16.57 16.57 0.00 0.00 0.00 0.00 10:50:06 ens3 30.54 21.08 411.53 2.35 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:06 lo 44.27 44.27 18.48 18.48 0.00 0.00 0.00 0.00 11:00:06 ens3 1.71 1.49 0.34 0.30 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 19.54 19.54 9.65 9.65 0.00 0.00 0.00 0.00 11:10:01 ens3 1.98 0.83 0.38 0.90 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 12.00 12.00 5.94 5.94 0.00 0.00 0.00 0.00 11:20:00 ens3 1.66 1.39 0.33 0.97 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 11:30:06 lo 19.11 19.11 9.78 9.78 0.00 0.00 0.00 0.00 11:30:06 ens3 0.87 0.75 0.16 0.13 0.00 0.00 0.00 0.00 11:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 20.05 20.05 8.47 8.47 0.00 0.00 0.00 0.00 11:40:01 ens3 1.19 0.64 0.24 0.15 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:06 lo 26.23 26.23 11.06 11.06 0.00 0.00 0.00 0.00 11:50:06 ens3 0.83 0.48 0.19 0.13 0.00 0.00 0.00 0.00 11:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:06 lo 8.02 8.02 4.65 4.65 0.00 0.00 0.00 0.00 12:00:06 ens3 0.66 0.35 0.17 0.11 0.00 0.00 0.00 0.00 12:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 17.42 17.42 9.86 9.86 0.00 0.00 0.00 0.00 12:10:01 ens3 1.23 0.59 0.27 0.18 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:06 lo 20.10 20.10 9.75 9.75 0.00 0.00 0.00 0.00 12:20:06 ens3 1.15 0.87 0.31 0.24 0.00 0.00 0.00 0.00 12:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.63 20.63 10.43 10.43 0.00 0.00 0.00 0.00 Average: ens3 4.20 2.86 41.67 0.55 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-54531) 03/31/26 _x86_64_ (4 CPU) 10:32:34 LINUX RESTART (4 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:50:06 all 54.53 0.00 2.16 0.51 0.11 42.70 10:50:06 0 53.43 0.00 2.18 0.42 0.11 43.86 10:50:06 1 54.01 0.00 2.13 0.34 0.11 43.42 10:50:06 2 56.35 0.00 2.18 0.94 0.12 40.42 10:50:06 3 54.34 0.00 2.14 0.33 0.11 43.09 11:00:06 all 42.38 0.00 1.62 0.09 0.13 55.78 11:00:06 0 41.80 0.00 1.75 0.06 0.13 56.26 11:00:06 1 42.49 0.00 1.55 0.04 0.13 55.79 11:00:06 2 42.85 0.00 1.63 0.11 0.12 55.29 11:00:06 3 42.37 0.00 1.57 0.16 0.12 55.78 11:10:01 all 18.71 0.00 0.82 0.23 0.08 80.16 11:10:01 0 18.11 0.00 0.81 0.57 0.08 80.42 11:10:01 1 19.23 0.00 0.88 0.03 0.09 79.78 11:10:01 2 18.34 0.00 0.82 0.08 0.09 80.67 11:10:01 3 19.15 0.00 0.75 0.25 0.08 79.77 11:20:00 all 20.46 0.00 0.77 0.09 0.10 78.57 11:20:00 0 20.78 0.00 0.73 0.15 0.11 78.23 11:20:00 1 20.12 0.00 0.66 0.01 0.09 79.11 11:20:00 2 20.65 0.00 0.82 0.09 0.11 78.34 11:20:00 3 20.30 0.00 0.88 0.10 0.11 78.61 11:30:06 all 27.63 0.00 0.87 0.20 0.09 71.22 11:30:06 0 26.97 0.00 0.88 0.24 0.08 71.83 11:30:06 1 27.87 0.00 0.88 0.19 0.09 70.97 11:30:06 2 27.62 0.00 0.89 0.20 0.09 71.20 11:30:06 3 28.06 0.00 0.83 0.17 0.09 70.85 11:40:01 all 8.74 0.00 0.47 0.08 0.07 90.63 11:40:01 0 8.83 0.00 0.39 0.12 0.06 90.60 11:40:01 1 8.92 0.00 0.48 0.04 0.08 90.49 11:40:01 2 9.05 0.00 0.52 0.00 0.08 90.35 11:40:01 3 8.18 0.00 0.49 0.16 0.07 91.09 11:50:06 all 10.63 0.00 0.47 0.03 0.07 88.81 11:50:06 0 10.20 0.00 0.46 0.06 0.06 89.22 11:50:06 1 10.87 0.00 0.50 0.01 0.07 88.55 11:50:06 2 10.34 0.00 0.53 0.01 0.07 89.05 11:50:06 3 11.10 0.00 0.39 0.03 0.07 88.41 12:00:06 all 8.17 0.00 0.47 0.04 0.08 91.25 12:00:06 0 8.42 0.00 0.40 0.03 0.08 91.07 12:00:06 1 8.39 0.00 0.60 0.04 0.08 90.89 12:00:06 2 7.90 0.00 0.51 0.03 0.08 91.49 12:00:06 3 7.97 0.00 0.35 0.05 0.07 91.56 12:10:01 all 9.03 0.00 0.51 0.29 0.07 90.10 12:10:01 0 8.28 0.00 0.41 0.58 0.06 90.67 12:10:01 1 9.73 0.00 0.56 0.18 0.07 89.46 12:10:01 2 9.07 0.00 0.55 0.17 0.08 90.13 12:10:01 3 9.01 0.00 0.52 0.23 0.07 90.16 12:20:06 all 15.28 0.00 0.66 0.11 0.07 83.88 12:20:06 0 14.51 0.00 0.62 0.02 0.07 84.78 12:20:06 1 15.22 0.00 0.70 0.07 0.08 83.93 12:20:06 2 16.36 0.00 0.71 0.31 0.08 82.54 12:20:06 3 15.05 0.00 0.60 0.01 0.06 84.27 Average: all 21.58 0.00 0.88 0.17 0.09 77.28 Average: 0 21.17 0.00 0.86 0.22 0.09 77.66 Average: 1 21.72 0.00 0.90 0.09 0.09 77.20 Average: 2 21.87 0.00 0.92 0.19 0.09 76.93 Average: 3 21.58 0.00 0.85 0.15 0.09 77.33