---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-21465 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 707 11263 3 4018 14939 Swap: 1023 10 1013 ---> 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:dc:d1:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79485sec preferred_lft 79485sec inet6 fe80::f816:3eff:fedc:d1b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:46:8f:f1:70:56 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::8446:8fff:fef1:7056/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-21465) 03/23/26 _x86_64_ (4 CPU) 20:04:29 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:13 105.50 23.10 78.02 4.38 354.79 14809.10 9215.61 20:30:13 28.64 9.09 18.46 1.09 171.39 534.68 757.95 20:40:03 9.43 1.00 8.02 0.41 23.89 273.44 417.33 20:50:13 26.57 0.27 10.61 15.68 17.00 553.40 209043.94 21:00:13 16.66 0.04 15.95 0.67 0.91 521.36 379.33 21:10:13 7.12 0.04 6.84 0.24 0.89 167.61 455.40 21:20:12 3.09 0.02 2.97 0.10 0.52 103.25 42.64 21:30:13 7.66 0.03 7.31 0.32 1.81 253.75 256.13 21:40:13 5.10 0.00 4.95 0.15 0.13 156.89 68.63 21:50:13 10.50 0.46 9.69 0.35 13.85 574.59 244.37 Average: 22.22 3.44 16.41 2.37 59.08 1820.39 22410.42 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:13 159936 3588456 12340900 75.37 262364 3142480 13370888 76.75 1847912 13752056 452 20:30:13 3339244 6117468 9817520 59.96 262372 2537648 11029668 63.31 1890284 10596004 352 20:40:03 6846808 9653112 6283556 38.38 263380 2564716 7007840 40.22 1901956 7091900 472 20:50:13 8919168 11845168 4093256 25.00 269944 2677780 5092360 29.23 1949728 4975008 336 21:00:13 8495980 11497656 4440656 27.12 272248 2751168 5242200 30.09 1955428 5403032 12 21:10:13 9811356 12843460 3095712 18.91 272828 2781016 4303864 24.70 1956960 4087432 14716 21:20:12 12262712 15316484 623468 3.81 273324 2802188 1362732 7.82 1958796 1627456 17672 21:30:13 6928132 10004080 5933364 36.24 274300 2823388 6738272 38.68 1962856 6944772 344 21:40:13 8423656 11523416 4414856 26.96 274872 2846628 5185320 29.76 1965260 5465636 396 21:50:13 8028584 11260440 4677756 28.57 278996 2971724 5360344 30.77 1982896 5836504 148 Average: 7321558 10364974 5572104 34.03 270463 2789874 6469349 37.13 1937208 6577980 3490 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:13 lo 18.95 18.95 16.27 16.27 0.00 0.00 0.00 0.00 20:20:13 ens3 40.98 30.28 713.95 3.29 0.00 0.00 0.00 0.00 20:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:13 lo 44.63 44.63 18.60 18.60 0.00 0.00 0.00 0.00 20:30:13 ens3 1.71 1.42 0.34 0.29 0.00 0.00 0.00 0.00 20:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:03 lo 19.36 19.36 9.61 9.61 0.00 0.00 0.00 0.00 20:40:03 ens3 1.21 0.75 0.24 1.08 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:13 lo 9.02 9.02 4.08 4.08 0.00 0.00 0.00 0.00 20:50:13 ens3 0.75 0.57 0.20 0.15 0.00 0.00 0.00 0.00 20:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:13 lo 15.57 15.57 8.40 8.40 0.00 0.00 0.00 0.00 21:00:13 ens3 0.95 0.73 0.20 0.16 0.00 0.00 0.00 0.00 21:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:13 lo 17.61 17.61 8.55 8.55 0.00 0.00 0.00 0.00 21:10:13 ens3 0.91 0.57 0.19 0.14 0.00 0.00 0.00 0.00 21:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:12 lo 24.30 24.30 8.21 8.21 0.00 0.00 0.00 0.00 21:20:12 ens3 0.58 0.32 0.14 0.10 0.00 0.00 0.00 0.00 21:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:13 lo 19.08 19.08 10.83 10.83 0.00 0.00 0.00 0.00 21:30:13 ens3 0.76 0.77 0.15 0.12 0.00 0.00 0.00 0.00 21:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:13 lo 17.92 17.92 10.16 10.16 0.00 0.00 0.00 0.00 21:40:13 ens3 0.73 0.50 0.16 0.12 0.00 0.00 0.00 0.00 21:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:13 lo 13.36 13.36 7.14 7.14 0.00 0.00 0.00 0.00 21:50:13 ens3 0.85 0.77 0.22 0.18 0.00 0.00 0.00 0.00 21:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.96 19.96 10.19 10.19 0.00 0.00 0.00 0.00 Average: ens3 5.01 3.72 72.82 0.57 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-21465) 03/23/26 _x86_64_ (4 CPU) 20:04:29 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:13 all 53.83 0.00 2.24 1.17 0.11 42.65 20:20:13 0 54.53 0.00 2.30 1.05 0.11 42.00 20:20:13 1 52.52 0.00 2.54 1.36 0.11 43.48 20:20:13 2 54.92 0.00 1.92 0.94 0.11 42.12 20:20:13 3 53.37 0.00 2.18 1.34 0.11 43.01 20:30:13 all 41.16 0.00 1.44 0.09 0.12 57.19 20:30:13 0 40.42 0.00 1.61 0.10 0.11 57.77 20:30:13 1 41.03 0.00 1.38 0.06 0.12 57.41 20:30:13 2 41.15 0.00 1.48 0.09 0.12 57.16 20:30:13 3 42.05 0.00 1.30 0.10 0.12 56.43 20:40:03 all 17.68 0.00 0.68 0.04 0.09 81.51 20:40:03 0 17.42 0.00 0.63 0.06 0.09 81.81 20:40:03 1 18.75 0.00 0.73 0.03 0.09 80.39 20:40:03 2 17.25 0.00 0.69 0.03 0.09 81.94 20:40:03 3 17.31 0.00 0.67 0.04 0.09 81.89 20:50:13 all 14.21 0.00 0.58 0.06 0.08 85.07 20:50:13 0 13.88 0.00 0.50 0.10 0.07 85.45 20:50:13 1 13.83 0.00 0.56 0.02 0.08 85.51 20:50:13 2 15.27 0.00 0.69 0.03 0.08 83.93 20:50:13 3 13.86 0.00 0.57 0.11 0.08 85.39 21:00:13 all 25.20 0.00 0.78 0.06 0.08 73.88 21:00:13 0 24.96 0.00 0.82 0.05 0.08 74.10 21:00:13 1 25.62 0.00 0.78 0.04 0.08 73.48 21:00:13 2 24.96 0.00 0.72 0.09 0.08 74.14 21:00:13 3 25.24 0.00 0.79 0.06 0.09 73.82 21:10:13 all 11.27 0.00 0.52 0.03 0.07 88.10 21:10:13 0 10.92 0.00 0.55 0.03 0.07 88.43 21:10:13 1 11.47 0.00 0.49 0.05 0.07 87.91 21:10:13 2 11.24 0.00 0.54 0.03 0.07 88.12 21:10:13 3 11.46 0.00 0.50 0.01 0.07 87.96 21:20:12 all 5.06 0.00 0.35 0.02 0.07 94.49 21:20:12 0 4.57 0.00 0.32 0.02 0.07 95.03 21:20:12 1 5.40 0.00 0.37 0.03 0.07 94.13 21:20:12 2 5.43 0.00 0.38 0.03 0.08 94.08 21:20:12 3 4.85 0.00 0.34 0.00 0.07 94.75 21:30:13 all 16.45 0.00 0.58 0.03 0.09 82.86 21:30:13 0 16.56 0.00 0.47 0.04 0.08 82.85 21:30:13 1 17.07 0.00 0.70 0.02 0.09 82.12 21:30:13 2 16.28 0.00 0.52 0.01 0.09 83.09 21:30:13 3 15.88 0.00 0.61 0.04 0.08 83.38 21:40:13 all 8.32 0.00 0.35 0.02 0.08 91.24 21:40:13 0 8.46 0.00 0.27 0.02 0.07 91.18 21:40:13 1 8.72 0.00 0.43 0.02 0.08 90.75 21:40:13 2 8.18 0.00 0.34 0.03 0.08 91.37 21:40:13 3 7.91 0.00 0.35 0.01 0.08 91.65 21:50:13 all 13.28 0.00 0.50 0.04 0.08 86.10 21:50:13 0 13.48 0.00 0.38 0.02 0.07 86.05 21:50:13 1 13.47 0.00 0.49 0.01 0.08 85.94 21:50:13 2 12.26 0.00 0.54 0.09 0.09 87.03 21:50:13 3 13.92 0.00 0.60 0.03 0.08 85.37 Average: all 20.69 0.00 0.80 0.16 0.09 78.26 Average: 0 20.57 0.00 0.79 0.15 0.08 78.41 Average: 1 20.82 0.00 0.85 0.17 0.09 78.07 Average: 2 20.74 0.00 0.78 0.14 0.09 78.25 Average: 3 20.64 0.00 0.79 0.18 0.09 78.31