---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-24129 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 709 10861 4 4418 14937 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:dc:f9:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79940sec preferred_lft 79940sec inet6 fe80::f816:3eff:fedc:f911/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:d7:95:94:80:ca 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 ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-24129) 02/28/26 _x86_64_ (4 CPU) 08:28:24 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:12 117.03 4.59 106.49 5.95 631.78 36336.33 10511.36 08:50:12 59.62 23.45 34.21 1.97 290.55 1849.64 2505.33 09:00:01 11.45 0.17 10.59 0.69 9.89 394.33 693.69 09:10:08 11.65 0.11 11.02 0.52 4.46 578.59 796.16 09:20:04 14.24 0.03 13.59 0.62 0.77 430.17 245.89 09:30:12 7.57 0.00 7.25 0.32 0.28 216.85 232.03 09:40:12 7.94 0.01 7.55 0.37 1.57 252.23 270.77 09:50:12 5.59 0.01 5.40 0.18 0.33 165.55 59.83 10:00:12 5.90 0.03 5.70 0.17 1.17 168.47 84.74 10:10:12 24.89 0.08 8.51 16.30 2.49 558.38 211277.31 Average: 26.75 2.85 21.19 2.71 95.31 4156.08 22647.90 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:12 168868 10123756 5796724 35.40 255472 9461884 8474032 48.64 2210176 13197952 744 08:50:12 8881336 12084864 3848820 23.51 262860 2933760 4759844 27.32 2092376 4849812 7300 09:00:01 2554824 5783040 10149640 61.99 264364 2956740 10909192 62.62 2104920 11133964 420 09:10:08 8286692 11630328 4306784 26.30 268976 3067504 5109976 29.33 2142340 5392008 108 09:20:04 11907812 15324276 614376 3.75 271248 3138056 1318420 7.57 2148328 1766036 12468 09:30:12 7725824 11159012 4777832 29.18 272004 3154024 5447284 31.27 2149812 5936060 208 09:40:12 6482148 9952000 5984192 36.55 272828 3189864 6768496 38.85 2152688 7180568 264 09:50:12 6405224 9897420 6038596 36.88 273396 3211644 6779252 38.91 2155912 7247628 144 10:00:12 8010208 11526168 4410548 26.94 274248 3234552 5151828 29.57 2158652 5652180 256 10:10:12 7557620 11202264 4734352 28.92 278528 3356968 5278664 30.30 2178608 6081736 456 Average: 6798056 10868313 5066186 30.94 269392 3770500 5999699 34.44 2149381 6843794 2237 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:12 lo 3.11 3.11 2.31 2.31 0.00 0.00 0.00 0.00 08:40:12 ens3 124.16 97.77 1878.00 10.40 0.00 0.00 0.00 0.00 08:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:12 lo 47.38 47.38 27.67 27.67 0.00 0.00 0.00 0.00 08:50:12 ens3 2.29 1.94 0.48 0.42 0.00 0.00 0.00 0.00 08:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 32.04 32.04 14.19 14.19 0.00 0.00 0.00 0.00 09:00:01 ens3 1.10 0.75 0.22 0.16 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:08 lo 13.06 13.06 6.05 6.05 0.00 0.00 0.00 0.00 09:10:08 ens3 0.98 0.84 0.25 0.88 0.00 0.00 0.00 0.00 09:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:04 lo 8.76 8.76 5.44 5.44 0.00 0.00 0.00 0.00 09:20:04 ens3 0.73 0.65 0.13 0.41 0.00 0.00 0.00 0.00 09:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:12 lo 19.41 19.41 9.21 9.21 0.00 0.00 0.00 0.00 09:30:12 ens3 0.84 0.67 0.18 0.14 0.00 0.00 0.00 0.00 09:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:12 lo 28.90 28.90 11.50 11.50 0.00 0.00 0.00 0.00 09:40:12 ens3 0.78 0.45 0.15 0.10 0.00 0.00 0.00 0.00 09:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:12 lo 21.02 21.02 10.49 10.49 0.00 0.00 0.00 0.00 09:50:12 ens3 0.78 0.62 0.15 0.12 0.00 0.00 0.00 0.00 09:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:12 lo 15.32 15.32 8.66 8.66 0.00 0.00 0.00 0.00 10:00:12 ens3 0.69 0.58 0.13 0.11 0.00 0.00 0.00 0.00 10:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:12 lo 23.17 23.17 10.95 10.95 0.00 0.00 0.00 0.00 10:10:12 ens3 1.03 0.98 0.28 0.24 0.00 0.00 0.00 0.00 10:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.16 21.16 10.62 10.62 0.00 0.00 0.00 0.00 Average: ens3 13.55 10.69 191.21 1.31 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-24129) 02/28/26 _x86_64_ (4 CPU) 08:28:24 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:12 all 47.08 0.00 2.45 6.73 0.10 43.65 08:40:12 0 45.42 0.00 2.31 6.87 0.10 45.30 08:40:12 1 45.56 0.00 2.41 6.41 0.10 45.52 08:40:12 2 48.23 0.00 2.46 7.70 0.10 41.51 08:40:12 3 49.09 0.00 2.61 5.92 0.10 42.28 08:50:12 all 60.67 0.00 2.19 0.12 0.12 36.91 08:50:12 0 60.95 0.00 2.11 0.08 0.12 36.75 08:50:12 1 60.10 0.00 2.22 0.12 0.12 37.45 08:50:12 2 61.05 0.00 2.15 0.09 0.11 36.60 08:50:12 3 60.59 0.00 2.27 0.18 0.12 36.84 09:00:01 all 27.56 0.00 1.26 0.04 0.09 71.05 09:00:01 0 26.99 0.00 1.21 0.05 0.08 71.66 09:00:01 1 27.58 0.00 1.28 0.08 0.09 70.97 09:00:01 2 28.02 0.00 1.31 0.01 0.09 70.57 09:00:01 3 27.66 0.00 1.23 0.03 0.09 70.99 09:10:08 all 16.69 0.00 0.74 0.06 0.07 82.43 09:10:08 0 16.83 0.00 0.82 0.10 0.07 82.18 09:10:08 1 16.70 0.00 0.76 0.10 0.07 82.36 09:10:08 2 16.66 0.00 0.76 0.03 0.07 82.48 09:10:08 3 16.58 0.00 0.63 0.01 0.07 82.70 09:20:04 all 18.89 0.00 0.68 0.05 0.07 80.31 09:20:04 0 19.30 0.00 0.69 0.09 0.07 79.84 09:20:04 1 18.82 0.00 0.66 0.03 0.07 80.42 09:20:04 2 18.54 0.00 0.70 0.02 0.07 80.67 09:20:04 3 18.88 0.00 0.67 0.06 0.06 80.32 09:30:12 all 14.13 0.00 0.61 0.03 0.07 85.17 09:30:12 0 13.89 0.00 0.60 0.02 0.07 85.42 09:30:12 1 14.14 0.00 0.65 0.02 0.07 85.11 09:30:12 2 14.50 0.00 0.60 0.01 0.08 84.81 09:30:12 3 13.99 0.00 0.58 0.05 0.07 85.32 09:40:12 all 15.96 0.00 0.71 0.03 0.07 83.22 09:40:12 0 16.23 0.00 0.62 0.05 0.07 83.03 09:40:12 1 16.10 0.00 0.85 0.03 0.08 82.95 09:40:12 2 15.73 0.00 0.73 0.06 0.06 83.41 09:40:12 3 15.76 0.00 0.65 0.01 0.07 83.51 09:50:12 all 11.47 0.00 0.53 0.02 0.08 87.90 09:50:12 0 11.40 0.00 0.51 0.01 0.08 88.00 09:50:12 1 11.56 0.00 0.60 0.00 0.09 87.75 09:50:12 2 11.48 0.00 0.45 0.05 0.08 87.93 09:50:12 3 11.46 0.00 0.55 0.01 0.07 87.91 10:00:12 all 8.48 0.00 0.41 0.02 0.07 91.02 10:00:12 0 8.63 0.00 0.47 0.02 0.07 90.81 10:00:12 1 8.88 0.00 0.38 0.03 0.06 90.66 10:00:12 2 7.84 0.00 0.43 0.02 0.07 91.64 10:00:12 3 8.58 0.00 0.35 0.03 0.07 90.97 10:10:12 all 15.90 0.00 0.67 0.09 0.08 83.26 10:10:12 0 15.18 0.00 0.59 0.01 0.08 84.13 10:10:12 1 16.50 0.00 0.69 0.08 0.08 82.65 10:10:12 2 15.66 0.00 0.61 0.01 0.08 83.64 10:10:12 3 16.26 0.00 0.79 0.26 0.07 82.62 Average: all 23.70 0.00 1.03 0.73 0.08 74.47 Average: 0 23.50 0.00 1.00 0.74 0.08 74.69 Average: 1 23.60 0.00 1.05 0.70 0.08 74.57 Average: 2 23.79 0.00 1.02 0.82 0.08 74.29 Average: 3 23.90 0.00 1.04 0.66 0.08 74.32