---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-20905 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: 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 709 11313 3 3966 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:00:9a:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79924sec preferred_lft 79924sec inet6 fe80::f816:3eff:fe00:9a61/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:97:c4:e5:9e:7c 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-20905) 02/26/26 _x86_64_ (4 CPU) 08:06:51 LINUX RESTART (4 CPU) 08:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:00 87.83 3.46 80.14 4.23 349.87 32186.13 13002.17 08:30:00 56.87 26.01 29.24 1.61 372.29 1710.83 1288.80 08:40:00 10.85 0.19 10.09 0.57 12.35 326.51 282.95 08:50:00 13.10 0.03 12.45 0.62 2.17 611.91 634.16 09:00:00 31.99 0.14 15.22 16.63 3.41 534.68 211383.75 09:10:00 6.01 0.01 5.76 0.24 0.40 150.63 50.71 09:20:00 5.15 0.02 4.94 0.19 2.36 154.31 112.05 09:30:00 4.88 0.00 4.70 0.19 0.31 152.32 83.61 09:40:00 6.89 0.00 6.58 0.31 0.25 213.68 61.39 09:50:00 9.08 0.02 8.69 0.38 1.77 528.29 315.13 Average: 23.26 2.99 17.78 2.50 74.52 3656.93 22721.47 08:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:00 1201764 5385988 10542940 64.39 249196 3837196 12194264 69.99 1970916 12532588 2336 08:30:00 2831568 5586944 10351140 63.22 256684 2550636 12825772 73.62 2010880 11010012 1212 08:40:00 1973296 4754560 11183516 68.30 258168 2575032 12259028 70.37 2021340 11875780 172 08:50:00 10806940 13714412 2229044 13.61 262868 2692548 2951464 16.94 2070488 3015160 10672 09:00:00 9294876 12282204 3660692 22.36 267684 2767532 4940036 28.36 2083408 4514644 228 09:10:00 8449172 11453856 4488220 27.41 268424 2784152 5246924 30.12 2084656 5349664 248 09:20:00 6996728 10023020 5918112 36.15 269020 2805136 6622188 38.01 2086980 6794984 204 09:30:00 6942484 9990152 5951072 36.35 269572 2825896 6696080 38.44 2090248 6847544 144 09:40:00 11680260 14849156 1094812 6.69 272956 2938916 2007104 11.52 2097760 2117528 92044 09:50:00 9706796 12926576 3016432 18.42 274188 2988220 4298464 24.67 2117520 4062372 23856 Average: 6988388 10096687 5843598 35.69 264876 2876526 7004132 40.20 2063420 6812028 13112 08:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:00 lo 7.62 7.62 8.47 8.47 0.00 0.00 0.00 0.00 08:20:00 ens3 73.31 53.34 1074.19 5.78 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 40.55 40.55 20.92 20.92 0.00 0.00 0.00 0.00 08:30:00 ens3 2.07 1.75 0.49 1.30 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 34.78 34.78 15.13 15.13 0.00 0.00 0.00 0.00 08:40:00 ens3 1.28 0.90 0.33 0.25 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 12.28 12.28 6.01 6.01 0.00 0.00 0.00 0.00 08:50:00 ens3 0.94 0.72 0.26 0.20 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:00 lo 17.03 17.03 7.96 7.96 0.00 0.00 0.00 0.00 09:00:00 ens3 0.99 0.80 0.24 0.19 0.00 0.00 0.00 0.00 09:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:00 lo 20.45 20.45 9.86 9.86 0.00 0.00 0.00 0.00 09:10:00 ens3 0.73 0.56 0.17 0.13 0.00 0.00 0.00 0.00 09:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:00 lo 26.80 26.80 11.19 11.19 0.00 0.00 0.00 0.00 09:20:00 ens3 0.66 0.46 0.15 0.11 0.00 0.00 0.00 0.00 09:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 lo 18.02 18.02 10.06 10.06 0.00 0.00 0.00 0.00 09:30:00 ens3 0.68 0.51 0.14 0.10 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 11.24 11.24 5.89 5.89 0.00 0.00 0.00 0.00 09:40:00 ens3 0.82 0.57 0.25 0.19 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:00 lo 23.22 23.22 10.93 10.93 0.00 0.00 0.00 0.00 09:50:00 ens3 1.00 0.75 0.24 0.19 0.00 0.00 0.00 0.00 09:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.20 21.20 10.64 10.64 0.00 0.00 0.00 0.00 Average: ens3 8.25 6.04 107.65 0.84 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-20905) 02/26/26 _x86_64_ (4 CPU) 08:06:51 LINUX RESTART (4 CPU) 08:10:00 CPU %user %nice %system %iowait %steal %idle 08:20:00 all 52.87 0.00 2.36 2.94 0.11 41.73 08:20:00 0 50.56 0.00 2.15 3.31 0.11 43.87 08:20:00 1 53.21 0.00 2.39 1.97 0.11 42.31 08:20:00 2 55.74 0.00 2.51 4.22 0.11 37.42 08:20:00 3 51.96 0.00 2.38 2.23 0.11 43.32 08:30:00 all 55.76 0.00 1.98 0.09 0.13 42.03 08:30:00 0 55.15 0.00 1.98 0.09 0.13 42.65 08:30:00 1 55.80 0.00 2.05 0.17 0.13 41.85 08:30:00 2 56.31 0.00 2.02 0.05 0.13 41.50 08:30:00 3 55.79 0.00 1.89 0.06 0.12 42.14 08:40:00 all 26.50 0.00 1.23 0.04 0.09 72.13 08:40:00 0 26.70 0.00 1.27 0.03 0.09 71.91 08:40:00 1 26.77 0.00 1.34 0.05 0.09 71.75 08:40:00 2 27.03 0.00 1.18 0.03 0.10 71.66 08:40:00 3 25.49 0.00 1.16 0.04 0.10 73.22 08:50:00 all 19.69 0.00 0.86 0.04 0.08 79.32 08:50:00 0 19.20 0.00 0.79 0.02 0.08 79.91 08:50:00 1 19.43 0.00 0.89 0.03 0.08 79.57 08:50:00 2 21.17 0.00 1.07 0.03 0.08 77.64 08:50:00 3 18.97 0.00 0.70 0.08 0.08 80.17 09:00:00 all 26.60 0.00 0.96 0.05 0.08 72.31 09:00:00 0 25.80 0.00 0.86 0.01 0.08 73.25 09:00:00 1 26.22 0.00 1.03 0.14 0.08 72.54 09:00:00 2 27.16 0.00 0.97 0.02 0.08 71.77 09:00:00 3 27.21 0.00 1.01 0.04 0.08 71.67 09:10:00 all 10.19 0.00 0.46 0.02 0.07 89.25 09:10:00 0 9.78 0.00 0.50 0.01 0.06 89.65 09:10:00 1 10.47 0.00 0.50 0.04 0.06 88.93 09:10:00 2 10.58 0.00 0.47 0.04 0.09 88.82 09:10:00 3 9.93 0.00 0.39 0.00 0.06 89.62 09:20:00 all 10.31 0.00 0.43 0.02 0.06 89.17 09:20:00 0 10.36 0.00 0.41 0.02 0.06 89.14 09:20:00 1 10.27 0.00 0.46 0.03 0.07 89.17 09:20:00 2 9.90 0.00 0.47 0.00 0.07 89.55 09:20:00 3 10.72 0.00 0.38 0.01 0.06 88.83 09:30:00 all 9.95 0.00 0.52 0.02 0.07 89.44 09:30:00 0 9.53 0.00 0.57 0.03 0.07 89.81 09:30:00 1 10.07 0.00 0.57 0.02 0.07 89.28 09:30:00 2 10.29 0.00 0.47 0.01 0.07 89.16 09:30:00 3 9.93 0.00 0.48 0.01 0.07 89.52 09:40:00 all 8.35 0.00 0.50 0.02 0.06 91.07 09:40:00 0 8.57 0.00 0.43 0.01 0.06 90.94 09:40:00 1 8.01 0.00 0.58 0.01 0.06 91.33 09:40:00 2 7.83 0.00 0.46 0.02 0.06 91.63 09:40:00 3 8.97 0.00 0.54 0.06 0.06 90.38 09:50:00 all 16.65 0.00 0.67 0.03 0.07 82.58 09:50:00 0 16.57 0.00 0.59 0.04 0.06 82.73 09:50:00 1 16.59 0.00 0.77 0.02 0.07 82.56 09:50:00 2 16.36 0.00 0.71 0.03 0.07 82.84 09:50:00 3 17.08 0.00 0.63 0.02 0.07 82.20 Average: all 23.67 0.00 1.00 0.33 0.08 74.92 Average: 0 23.21 0.00 0.95 0.36 0.08 75.40 Average: 1 23.68 0.00 1.06 0.25 0.08 74.93 Average: 2 24.21 0.00 1.03 0.44 0.08 74.22 Average: 3 23.59 0.00 0.95 0.25 0.08 75.12