---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-53186 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 61G 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 694 11465 4 3828 14951 Swap: 1023 1 1022 ---> 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:a6:45:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82048sec preferred_lft 82048sec inet6 fe80::f816:3eff:fea6:4553/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:8e:88:4b:d1:eb 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::f08e:88ff:fe4b:d1eb/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-53186) 03/26/26 _x86_64_ (4 CPU) 14:17:58 LINUX RESTART (4 CPU) 14:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:04 133.04 9.76 117.44 5.83 1259.96 37793.35 12525.13 14:40:04 60.13 25.50 32.73 1.91 331.03 1845.56 987.37 14:50:04 5.79 0.28 5.29 0.22 13.63 196.85 305.65 15:00:04 20.06 0.12 19.07 0.86 4.84 755.97 1012.87 15:10:04 11.76 0.01 11.28 0.46 0.71 543.17 368.99 15:20:04 7.80 0.03 7.49 0.28 1.16 212.12 478.73 15:30:04 8.10 2.40 5.13 0.56 207.71 770.41 139.87 Average: 35.24 5.44 28.35 1.45 259.86 6016.78 2259.80 14:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:04 174200 7806036 8114464 49.56 264788 7157172 10746884 61.69 2303024 13124284 2728 14:40:04 3561200 6549396 9384256 57.32 273564 2733320 10677512 61.29 2225952 10042864 3024 14:50:04 7998488 11008032 4926936 30.09 274548 2753508 5584440 32.05 2238780 5574196 348 15:00:04 10542216 13674540 2264648 13.83 280032 2870740 3003712 17.24 2278356 3038852 304 15:10:04 8257984 11493776 4444028 27.14 284100 2969132 5193792 29.81 2285964 5294256 1532 15:20:04 7350576 10611472 5325928 32.53 285048 2993156 6050680 34.73 2305212 6189420 408 15:30:04 11870788 15404736 535108 3.27 288224 3254608 1204216 6.91 2376200 1611788 11284 Average: 7107922 10935427 4999338 30.53 278615 3533091 6065891 34.82 2287641 6410809 2804 14:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:04 lo 4.83 4.83 5.18 5.18 0.00 0.00 0.00 0.00 14:30:04 ens3 123.15 94.83 1919.47 11.52 0.00 0.00 0.00 0.00 14:30:04 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 14:40:04 lo 43.20 43.20 24.02 24.02 0.00 0.00 0.00 0.00 14:40:04 ens3 2.34 1.96 0.59 0.49 0.00 0.00 0.00 0.00 14:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:04 lo 29.97 29.97 11.12 11.12 0.00 0.00 0.00 0.00 14:50:04 ens3 0.93 0.62 0.22 0.16 0.00 0.00 0.00 0.00 14:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:04 lo 11.45 11.45 5.88 5.88 0.00 0.00 0.00 0.00 15:00:04 ens3 1.50 1.05 0.46 0.35 0.00 0.00 0.00 0.00 15:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:04 lo 12.68 12.68 7.16 7.16 0.00 0.00 0.00 0.00 15:10:04 ens3 0.79 0.66 0.20 0.20 0.00 0.00 0.00 0.00 15:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:04 lo 24.27 24.27 10.56 10.56 0.00 0.00 0.00 0.00 15:20:04 ens3 0.93 0.74 0.21 0.16 0.00 0.00 0.00 0.00 15:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:04 lo 16.21 16.21 5.78 5.78 0.00 0.00 0.00 0.00 15:30:04 ens3 2.23 2.10 1.57 0.88 0.00 0.00 0.00 0.00 15:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.37 20.37 9.96 9.96 0.00 0.00 0.00 0.00 Average: ens3 18.84 14.56 274.67 1.97 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-53186) 03/26/26 _x86_64_ (4 CPU) 14:17:58 LINUX RESTART (4 CPU) 14:20:04 CPU %user %nice %system %iowait %steal %idle 14:30:04 all 54.09 0.00 2.81 2.95 0.11 40.03 14:30:04 0 54.08 0.00 2.86 2.62 0.12 40.33 14:30:04 1 56.12 0.00 2.92 2.42 0.12 38.42 14:30:04 2 53.63 0.00 2.76 3.03 0.11 40.46 14:30:04 3 52.54 0.00 2.72 3.73 0.11 40.91 14:40:04 all 61.28 0.00 2.16 0.15 0.14 36.27 14:40:04 0 61.77 0.00 2.19 0.19 0.13 35.71 14:40:04 1 61.03 0.00 2.39 0.11 0.14 36.34 14:40:04 2 61.52 0.00 2.04 0.08 0.14 36.22 14:40:04 3 60.82 0.00 2.03 0.21 0.14 36.80 14:50:04 all 12.06 0.00 0.63 0.12 0.09 87.10 14:50:04 0 11.84 0.00 0.59 0.02 0.08 87.47 14:50:04 1 11.91 0.00 0.62 0.02 0.09 87.37 14:50:04 2 12.05 0.00 0.67 0.07 0.09 87.12 14:50:04 3 12.45 0.00 0.63 0.38 0.09 86.44 15:00:04 all 28.96 0.00 0.97 0.08 0.08 69.90 15:00:04 0 29.72 0.00 0.97 0.04 0.08 69.19 15:00:04 1 28.91 0.00 1.11 0.17 0.09 69.72 15:00:04 2 27.54 0.00 0.89 0.06 0.09 71.43 15:00:04 3 29.69 0.00 0.92 0.07 0.09 69.24 15:10:04 all 18.65 0.00 0.66 2.59 0.08 78.02 15:10:04 0 18.02 0.00 0.61 5.17 0.07 76.13 15:10:04 1 18.88 0.00 0.57 5.00 0.08 75.47 15:10:04 2 19.00 0.00 0.79 0.05 0.08 80.08 15:10:04 3 18.69 0.00 0.68 0.15 0.08 80.40 15:20:04 all 15.71 0.00 0.56 0.11 0.08 83.54 15:20:04 0 16.03 0.00 0.54 0.13 0.07 83.23 15:20:04 1 15.95 0.00 0.49 0.21 0.08 83.28 15:20:04 2 15.99 0.00 0.68 0.05 0.08 83.19 15:20:04 3 14.88 0.00 0.53 0.05 0.08 84.46 15:30:04 all 3.62 0.00 0.34 1.71 0.05 94.28 15:30:04 0 2.17 0.00 0.29 3.91 0.05 93.59 15:30:04 1 3.35 0.00 0.35 1.52 0.05 94.72 15:30:04 2 4.63 0.00 0.43 0.74 0.06 94.14 15:30:04 3 4.31 0.00 0.31 0.67 0.05 94.66 Average: all 27.76 0.00 1.16 1.10 0.09 69.89 Average: 0 27.66 0.00 1.15 1.73 0.09 69.38 Average: 1 28.00 0.00 1.21 1.35 0.09 69.35 Average: 2 27.76 0.00 1.18 0.58 0.09 70.38 Average: 3 27.61 0.00 1.12 0.75 0.09 70.43