---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-55718 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 724 10988 3 4275 14921 Swap: 1023 0 1023 ---> 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:a0:8a:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79691sec preferred_lft 79691sec inet6 fe80::f816:3eff:fea0:8a82/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:70:37:90:db:0c 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::b870:37ff:fe90:db0c/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-55718) 03/31/26 _x86_64_ (4 CPU) 10:44:15 LINUX RESTART (4 CPU) 10:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:03 112.09 22.51 70.65 18.94 341.69 18635.07 228099.53 11:10:04 30.49 2.55 26.67 1.28 56.06 1610.98 2017.46 11:20:20 7.79 0.13 7.27 0.39 7.56 272.81 1889.55 11:30:21 15.63 0.08 14.84 0.71 2.86 699.10 755.90 11:40:24 14.64 0.03 13.90 0.71 1.87 447.12 550.22 11:50:24 5.54 0.03 5.33 0.18 1.60 147.70 45.11 12:00:25 5.09 0.04 4.86 0.19 2.34 152.77 47.98 12:10:04 5.32 0.01 5.19 0.13 0.46 158.66 42.54 12:20:04 5.55 0.00 5.38 0.16 0.13 157.06 56.90 12:30:26 9.90 0.05 9.48 0.37 5.27 572.89 145.50 Average: 21.15 2.53 16.32 2.29 41.77 2274.03 23212.52 10:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:03 961644 4926704 11002856 67.20 268812 3635068 12198352 70.02 2205900 12560720 260436 11:10:04 3431288 6497668 9437016 57.64 268784 2799036 10829004 62.16 2132308 10252748 480 11:20:20 6686120 9778836 6157060 37.60 270180 2823792 7013868 40.26 2139384 7005108 284 11:30:21 12078644 15310504 629592 3.85 275568 2957468 1371296 7.87 2178740 1583304 10872 11:40:24 8048156 11333676 4604596 28.12 277724 3008968 5358704 30.76 2183180 5609128 260 11:50:24 8051084 11355464 4582716 27.99 278308 3027252 5349492 30.71 2184780 5597920 124 12:00:25 6578568 9904704 6032596 36.84 279024 3048300 6802444 39.05 2187412 7067336 432 12:10:04 6418384 9765984 6171276 37.69 279544 3069228 6860316 39.38 2190832 7210332 252 12:20:04 8141284 11511684 4426240 27.03 280428 3091156 5217468 29.95 2193280 5496140 92 12:30:26 7749448 11252132 4685784 28.62 284632 3215988 5252940 30.15 2209292 5865796 96 Average: 6814462 10163736 5772973 35.26 276300 3067626 6625388 38.03 2180511 6824853 27333 10:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:03 lo 15.59 15.59 13.25 13.25 0.00 0.00 0.00 0.00 11:00:03 ens3 39.86 30.35 647.13 3.28 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:04 lo 45.68 45.68 21.40 21.40 0.00 0.00 0.00 0.00 11:10:04 ens3 2.96 1.75 0.59 0.40 0.00 0.00 0.00 0.00 11:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:20 lo 22.73 22.73 10.62 10.62 0.00 0.00 0.00 0.00 11:20:20 ens3 0.91 0.71 0.20 0.15 0.00 0.00 0.00 0.00 11:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:21 lo 11.27 11.27 5.48 5.48 0.00 0.00 0.00 0.00 11:30:21 ens3 1.35 1.52 0.26 1.41 0.00 0.00 0.00 0.00 11:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:24 lo 19.68 19.68 10.36 10.36 0.00 0.00 0.00 0.00 11:40:24 ens3 1.31 0.82 0.26 0.17 0.00 0.00 0.00 0.00 11:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:24 lo 23.12 23.12 9.08 9.08 0.00 0.00 0.00 0.00 11:50:24 ens3 0.89 0.63 0.20 0.15 0.00 0.00 0.00 0.00 11:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:25 lo 25.31 25.31 11.14 11.14 0.00 0.00 0.00 0.00 12:00:25 ens3 0.81 0.51 0.21 0.15 0.00 0.00 0.00 0.00 12:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:04 lo 16.54 16.54 10.10 10.10 0.00 0.00 0.00 0.00 12:10:04 ens3 1.23 0.64 0.28 0.19 0.00 0.00 0.00 0.00 12:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:04 lo 8.13 8.13 4.02 4.02 0.00 0.00 0.00 0.00 12:20:04 ens3 0.67 0.35 0.15 0.10 0.00 0.00 0.00 0.00 12:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:26 lo 22.19 22.19 10.46 10.46 0.00 0.00 0.00 0.00 12:30:26 ens3 1.09 0.81 0.30 0.23 0.00 0.00 0.00 0.00 12:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.05 21.05 10.59 10.59 0.00 0.00 0.00 0.00 Average: ens3 5.08 3.79 64.51 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-55718) 03/31/26 _x86_64_ (4 CPU) 10:44:15 LINUX RESTART (4 CPU) 10:50:05 CPU %user %nice %system %iowait %steal %idle 11:00:03 all 50.33 0.00 2.10 5.40 0.11 42.06 11:00:03 0 51.84 0.00 2.15 8.65 0.11 37.25 11:00:03 1 49.76 0.00 2.15 3.81 0.12 44.16 11:00:03 2 50.68 0.00 1.93 3.85 0.12 43.43 11:00:03 3 49.05 0.00 2.16 5.29 0.11 43.39 11:10:04 all 48.87 0.00 1.93 0.75 0.13 48.32 11:10:04 0 49.09 0.00 1.86 0.94 0.13 47.99 11:10:04 1 48.43 0.00 1.97 1.05 0.13 48.41 11:10:04 2 49.44 0.00 1.93 0.27 0.13 48.24 11:10:04 3 48.53 0.00 1.94 0.74 0.13 48.66 11:20:20 all 17.85 0.00 0.92 0.04 0.09 81.10 11:20:20 0 18.08 0.00 0.94 0.02 0.08 80.87 11:20:20 1 18.12 0.00 0.98 0.03 0.09 80.78 11:20:20 2 17.89 0.00 0.89 0.08 0.08 81.05 11:20:20 3 17.31 0.00 0.87 0.02 0.08 81.71 11:30:21 all 22.02 0.00 0.85 0.06 0.08 76.99 11:30:21 0 22.34 0.00 0.79 0.03 0.08 76.76 11:30:21 1 21.50 0.00 0.87 0.14 0.08 77.41 11:30:21 2 22.11 0.00 0.90 0.04 0.08 76.87 11:30:21 3 22.14 0.00 0.83 0.05 0.07 76.90 11:40:24 all 25.59 0.00 0.83 0.04 0.08 73.46 11:40:24 0 26.00 0.00 0.83 0.05 0.08 73.04 11:40:24 1 25.54 0.00 0.86 0.04 0.08 73.47 11:40:24 2 25.20 0.00 0.83 0.01 0.08 73.87 11:40:24 3 25.61 0.00 0.80 0.08 0.08 73.43 11:50:24 all 8.18 0.00 0.34 0.03 0.07 91.39 11:50:24 0 7.82 0.00 0.35 0.03 0.06 91.74 11:50:24 1 8.51 0.00 0.37 0.02 0.07 91.03 11:50:24 2 8.32 0.00 0.36 0.03 0.07 91.21 11:50:24 3 8.07 0.00 0.28 0.02 0.07 91.56 12:00:25 all 10.61 0.00 0.51 0.04 0.07 88.77 12:00:25 0 10.83 0.00 0.48 0.02 0.06 88.60 12:00:25 1 10.87 0.00 0.55 0.04 0.07 88.48 12:00:25 2 9.80 0.00 0.46 0.08 0.07 89.59 12:00:25 3 10.93 0.00 0.56 0.02 0.07 88.43 12:10:04 all 10.29 0.00 0.52 0.36 0.07 88.77 12:10:04 0 10.01 0.00 0.58 0.47 0.06 88.89 12:10:04 1 11.13 0.00 0.50 0.12 0.07 88.18 12:10:04 2 9.98 0.00 0.56 0.24 0.07 89.15 12:10:04 3 10.06 0.00 0.43 0.60 0.07 88.85 12:20:04 all 7.57 0.00 0.45 0.04 0.06 91.87 12:20:04 0 7.53 0.00 0.45 0.09 0.06 91.87 12:20:04 1 7.45 0.00 0.46 0.04 0.07 91.98 12:20:04 2 7.95 0.00 0.45 0.02 0.07 91.51 12:20:04 3 7.36 0.00 0.42 0.02 0.06 92.14 12:30:26 all 14.69 0.00 0.56 0.06 0.07 84.62 12:30:26 0 14.52 0.00 0.58 0.01 0.07 84.82 12:30:26 1 15.68 0.00 0.59 0.04 0.08 83.61 12:30:26 2 14.08 0.00 0.56 0.02 0.07 85.27 12:30:26 3 14.49 0.00 0.49 0.16 0.07 84.79 Average: all 21.60 0.00 0.90 0.68 0.08 76.74 Average: 0 21.81 0.00 0.90 1.02 0.08 76.19 Average: 1 21.69 0.00 0.93 0.53 0.09 76.76 Average: 2 21.56 0.00 0.89 0.46 0.08 77.01 Average: 3 21.35 0.00 0.88 0.70 0.08 77.00