---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6052 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 13G 66G 16% / 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 670 8668 4 6649 14975 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:f4:fc:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80475sec preferred_lft 80475sec inet6 fe80::f816:3eff:fef4:fc25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:af:2e:01:80:c7 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6052) 03/19/26 _x86_64_ (4 CPU) 12:49:54 LINUX RESTART (4 CPU) 12:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:01 28.04 13.65 13.06 1.33 1572.52 10549.51 1485.03 13:10:02 1.11 0.00 1.11 0.00 0.04 12.96 0.00 13:20:02 13.92 0.01 1.16 12.76 0.17 13.72 242478.59 13:30:02 1.15 0.00 1.15 0.00 0.00 13.35 0.00 13:40:02 1.23 0.00 1.23 0.00 0.00 14.27 0.00 13:50:02 24.53 2.21 21.71 0.61 132.44 2275.40 981.16 14:00:02 26.48 2.95 21.15 2.38 160.97 3638.13 2398.01 14:10:02 22.00 0.01 19.44 2.56 0.15 1833.13 6623.89 14:20:01 22.77 0.03 20.69 2.06 0.37 3857.83 16858.36 Average: 15.69 2.09 11.19 2.41 207.46 2467.36 30089.29 12:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:01 13645100 15526692 490024 2.99 66304 2040716 1139176 6.54 268000 2209672 228 13:10:02 13644620 15526760 490084 2.99 66684 2040860 1139176 6.54 268396 2207296 188 13:20:02 13641608 15529212 487456 2.98 67304 2045664 1139176 6.54 273804 2208020 204 13:30:02 13641104 15528980 487760 2.98 67580 2045676 1139240 6.54 274072 2208708 4 13:40:02 13632752 15521024 495748 3.03 67960 2045684 1139368 6.54 274460 2215072 204 13:50:02 12982916 15503640 476696 2.91 106104 2609144 983640 5.65 395032 2679044 384 14:00:02 10160500 13696840 2262136 13.82 150328 3516136 2445520 14.04 719696 5107428 16464 14:10:02 8738944 12624972 3331308 20.35 163868 3823580 3700668 21.24 820324 6400368 47080 14:20:01 5329580 10117300 5834472 35.63 175664 4675192 5744180 32.97 1084408 9478472 14396 Average: 11713014 14397269 1595076 9.74 103533 2760295 2063349 11.84 486466 3857120 8795 12:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:01 lo 0.26 0.26 0.02 0.02 0.00 0.00 0.00 0.00 13:00:01 ens3 53.21 34.11 127.75 3.72 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:02 ens3 0.26 0.09 0.05 0.02 0.00 0.00 0.00 0.00 13:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:02 ens3 0.18 0.07 0.04 0.02 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:02 ens3 0.16 0.08 0.04 0.02 0.00 0.00 0.00 0.00 13:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:40:02 ens3 0.46 0.49 0.09 0.48 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 0.30 0.30 0.04 0.04 0.00 0.00 0.00 0.00 13:50:02 ens3 50.82 35.83 343.56 8.03 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:02 lo 1406.42 1406.42 1334.10 1334.10 0.00 0.00 0.00 0.00 14:00:02 ens3 116.52 91.73 939.52 19.53 0.00 0.00 0.00 0.00 14:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:02 lo 1360.56 1360.56 1296.31 1296.31 0.00 0.00 0.00 0.00 14:10:02 ens3 35.78 28.82 34.82 9.67 0.00 0.00 0.00 0.00 14:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 835.74 835.74 3051.69 3051.69 0.00 0.00 0.00 0.00 14:20:01 ens3 34.72 27.55 28.89 14.06 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 400.29 400.29 630.90 630.90 0.00 0.00 0.00 0.00 Average: ens3 32.45 24.31 163.86 6.17 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-4g-6052) 03/19/26 _x86_64_ (4 CPU) 12:49:54 LINUX RESTART (4 CPU) 12:50:01 CPU %user %nice %system %iowait %steal %idle 13:00:01 all 0.93 0.00 0.35 2.41 0.02 96.29 13:00:01 0 0.57 0.00 0.40 2.10 0.02 96.91 13:00:01 1 1.11 0.00 0.41 1.93 0.03 96.52 13:00:01 2 1.16 0.00 0.31 4.59 0.03 93.92 13:00:01 3 0.87 0.00 0.28 1.00 0.03 97.81 13:10:02 all 0.07 0.00 0.02 0.07 0.01 99.83 13:10:02 0 0.05 0.00 0.02 0.00 0.01 99.91 13:10:02 1 0.06 0.00 0.02 0.06 0.01 99.86 13:10:02 2 0.15 0.00 0.02 0.20 0.01 99.61 13:10:02 3 0.01 0.00 0.02 0.03 0.01 99.93 13:20:02 all 0.11 0.00 0.03 2.85 0.01 97.00 13:20:02 0 0.16 0.00 0.05 9.14 0.01 90.64 13:20:02 1 0.06 0.00 0.02 0.01 0.01 99.91 13:20:02 2 0.19 0.00 0.02 2.24 0.01 97.54 13:20:02 3 0.04 0.00 0.03 0.00 0.01 99.92 13:30:02 all 0.12 0.00 0.02 0.15 0.01 99.70 13:30:02 0 0.02 0.00 0.01 0.02 0.00 99.94 13:30:02 1 0.12 0.00 0.02 0.22 0.01 99.62 13:30:02 2 0.04 0.00 0.04 0.28 0.01 99.63 13:30:02 3 0.31 0.00 0.02 0.07 0.01 99.59 13:40:02 all 0.12 0.00 0.02 0.18 0.01 99.67 13:40:02 0 0.02 0.00 0.03 0.01 0.01 99.93 13:40:02 1 0.02 0.00 0.02 0.24 0.01 99.71 13:40:02 2 0.16 0.00 0.04 0.03 0.01 99.76 13:40:02 3 0.26 0.00 0.01 0.44 0.01 99.29 13:50:02 all 2.67 0.00 0.39 0.82 0.06 96.06 13:50:02 0 5.45 0.00 0.57 0.47 0.03 93.49 13:50:02 1 2.49 0.00 0.38 0.42 0.03 96.69 13:50:02 2 1.24 0.00 0.19 1.85 0.02 96.70 13:50:02 3 1.50 0.00 0.41 0.55 0.18 97.37 14:00:02 all 54.75 0.00 2.33 1.60 0.14 41.18 14:00:02 0 55.14 0.00 2.32 2.70 0.13 39.71 14:00:02 1 55.39 0.00 2.30 0.96 0.14 41.20 14:00:02 2 54.78 0.00 2.62 0.96 0.14 41.50 14:00:02 3 53.69 0.00 2.09 1.78 0.13 42.30 14:10:02 all 61.31 0.00 2.38 2.87 0.14 33.29 14:10:02 0 61.50 0.00 2.25 5.19 0.14 30.92 14:10:02 1 60.27 0.00 2.45 2.13 0.15 35.01 14:10:02 2 62.39 0.00 2.51 2.18 0.14 32.78 14:10:02 3 61.10 0.00 2.32 1.99 0.14 34.45 14:20:01 all 50.87 0.00 1.98 1.61 0.14 45.39 14:20:01 0 50.26 0.00 2.09 2.26 0.14 45.24 14:20:01 1 49.77 0.00 2.01 1.62 0.15 46.44 14:20:01 2 52.14 0.00 1.79 1.17 0.15 44.75 14:20:01 3 51.31 0.00 2.04 1.37 0.13 45.14 Average: all 18.90 0.00 0.83 1.39 0.06 78.82 Average: 0 19.15 0.00 0.86 2.43 0.05 77.51 Average: 1 18.71 0.00 0.84 0.84 0.06 79.54 Average: 2 19.04 0.00 0.83 1.50 0.06 78.57 Average: 3 18.69 0.00 0.80 0.80 0.07 79.64