---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-21009 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 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 711 11459 3 3818 14935 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:f7:b7:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79674sec preferred_lft 79674sec inet6 fe80::f816:3eff:fef7:b764/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:8b:83:3f:84:7d 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-21009) 02/26/26 _x86_64_ (4 CPU) 11:17:56 LINUX RESTART (4 CPU) 11:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:10 101.54 3.57 94.39 3.57 158.71 35890.46 10977.21 11:40:06 66.72 28.23 36.10 2.39 465.05 1931.10 1699.28 11:50:10 14.54 0.25 13.43 0.86 13.38 448.55 1200.62 12:00:04 10.97 0.03 10.47 0.46 1.31 571.22 889.96 12:10:09 29.24 0.15 13.37 15.72 3.39 403.68 210403.14 12:20:10 7.30 0.01 7.02 0.27 0.52 204.26 345.45 12:30:10 4.49 0.01 4.32 0.17 0.51 131.89 52.87 12:40:10 4.49 0.01 4.32 0.16 1.05 135.24 96.59 12:50:10 6.33 0.00 6.15 0.17 0.52 167.32 90.07 13:00:10 11.87 0.02 11.31 0.54 1.13 660.60 143.49 Average: 25.74 3.21 20.08 2.45 64.28 4055.94 22757.81 11:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:10 978108 12062272 3858852 23.57 254352 10580948 4627652 26.56 2041772 12548848 5932 11:40:06 7544556 10169672 5769468 35.24 254144 2427604 6443892 36.99 1990844 6349604 4548 11:50:10 7264920 9927008 6013340 36.73 256144 2462596 6827952 39.19 2010168 6609560 6224 12:00:04 8867888 11637320 4305648 26.30 260428 2563220 5141992 29.51 2056228 4973472 248 12:10:09 10144040 12976204 2967600 18.12 265532 2620756 3675940 21.10 2070424 3686180 220 12:20:10 8615368 11473704 4468876 27.29 266384 2646036 5142396 29.52 2072032 5200812 92 12:30:10 8455580 11332176 4610364 28.16 266868 2663784 5177944 29.72 2073076 5354748 388 12:40:10 7061460 9956472 5985148 36.55 267404 2681692 6708204 38.51 2075140 6743972 484 12:50:10 6759140 9674624 6267040 38.28 268028 2701540 6916268 39.70 2078576 7049616 268 13:00:10 8277524 11337256 4605200 28.13 272280 2836388 5236048 30.05 2095036 5515848 256 Average: 7396858 11054671 4885154 29.84 263156 3418456 5589829 32.09 2056330 6403266 1866 11:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:10 lo 2.72 2.72 2.30 2.30 0.00 0.00 0.00 0.00 11:30:10 ens3 113.81 91.08 1593.00 9.34 0.00 0.00 0.00 0.00 11:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:06 lo 39.10 39.10 24.13 24.13 0.00 0.00 0.00 0.00 11:40:06 ens3 2.36 2.06 0.57 0.47 0.00 0.00 0.00 0.00 11:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:10 lo 39.20 39.20 17.32 17.32 0.00 0.00 0.00 0.00 11:50:10 ens3 2.28 1.71 0.44 1.44 0.00 0.00 0.00 0.00 11:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:04 lo 12.32 12.32 5.62 5.62 0.00 0.00 0.00 0.00 12:00:04 ens3 0.93 0.61 0.24 0.18 0.00 0.00 0.00 0.00 12:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:09 lo 8.73 8.73 5.16 5.16 0.00 0.00 0.00 0.00 12:10:09 ens3 0.73 0.57 0.16 0.12 0.00 0.00 0.00 0.00 12:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:10 lo 19.66 19.66 9.49 9.49 0.00 0.00 0.00 0.00 12:20:10 ens3 0.77 0.68 0.15 0.12 0.00 0.00 0.00 0.00 12:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:10 lo 28.51 28.51 10.06 10.06 0.00 0.00 0.00 0.00 12:30:10 ens3 0.59 0.42 0.11 0.08 0.00 0.00 0.00 0.00 12:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:10 lo 14.95 14.95 7.73 7.73 0.00 0.00 0.00 0.00 12:40:10 ens3 0.73 0.47 0.18 0.13 0.00 0.00 0.00 0.00 12:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:10 lo 16.06 16.06 9.81 9.81 0.00 0.00 0.00 0.00 12:50:10 ens3 0.74 0.59 0.18 0.15 0.00 0.00 0.00 0.00 12:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:10 lo 19.20 19.20 10.50 10.50 0.00 0.00 0.00 0.00 13:00:10 ens3 1.17 0.92 0.36 0.28 0.00 0.00 0.00 0.00 13:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.04 20.04 10.21 10.21 0.00 0.00 0.00 0.00 Average: ens3 12.42 9.92 159.66 1.23 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-21009) 02/26/26 _x86_64_ (4 CPU) 11:17:56 LINUX RESTART (4 CPU) 11:20:10 CPU %user %nice %system %iowait %steal %idle 11:30:10 all 44.13 0.00 2.17 8.80 0.10 44.79 11:30:10 0 44.00 0.00 2.06 5.40 0.10 48.44 11:30:10 1 41.72 0.00 2.24 12.65 0.11 43.28 11:30:10 2 43.26 0.00 2.10 5.31 0.10 49.24 11:30:10 3 47.56 0.00 2.28 11.85 0.11 38.19 11:40:06 all 55.69 0.00 2.13 1.09 0.12 40.97 11:40:06 0 55.59 0.00 2.14 1.57 0.12 40.58 11:40:06 1 55.46 0.00 2.24 1.00 0.12 41.18 11:40:06 2 55.34 0.00 2.19 1.14 0.12 41.21 11:40:06 3 56.38 0.00 1.96 0.65 0.12 40.89 11:50:10 all 37.65 0.00 1.57 1.51 0.11 59.17 11:50:10 0 38.42 0.00 1.54 2.67 0.10 57.26 11:50:10 1 37.65 0.00 1.51 1.56 0.11 59.18 11:50:10 2 37.88 0.00 1.68 1.46 0.10 58.87 11:50:10 3 36.65 0.00 1.53 0.35 0.10 61.37 12:00:04 all 17.57 0.00 0.71 0.21 0.08 81.43 12:00:04 0 18.07 0.00 0.62 0.13 0.07 81.10 12:00:04 1 17.46 0.00 0.78 0.48 0.07 81.21 12:00:04 2 17.74 0.00 0.71 0.19 0.09 81.27 12:00:04 3 17.02 0.00 0.71 0.04 0.07 82.15 12:10:09 all 20.01 0.00 0.77 0.31 0.07 78.84 12:10:09 0 20.39 0.00 0.72 0.31 0.06 78.51 12:10:09 1 20.00 0.00 0.88 0.66 0.07 78.39 12:10:09 2 20.23 0.00 0.85 0.19 0.07 78.66 12:10:09 3 19.41 0.00 0.65 0.09 0.07 79.79 12:20:10 all 15.38 0.00 0.60 0.09 0.06 83.87 12:20:10 0 14.23 0.00 0.64 0.25 0.06 84.83 12:20:10 1 15.78 0.00 0.58 0.06 0.07 83.52 12:20:10 2 15.70 0.00 0.69 0.02 0.07 83.53 12:20:10 3 15.81 0.00 0.50 0.03 0.06 83.59 12:30:10 all 9.00 0.00 0.40 0.08 0.05 90.47 12:30:10 0 9.38 0.00 0.37 0.18 0.05 90.03 12:30:10 1 9.06 0.00 0.46 0.07 0.06 90.35 12:30:10 2 8.43 0.00 0.46 0.03 0.05 91.03 12:30:10 3 9.12 0.00 0.31 0.04 0.05 90.48 12:40:10 all 10.21 0.00 0.48 0.08 0.06 89.17 12:40:10 0 10.27 0.00 0.46 0.12 0.06 89.09 12:40:10 1 10.21 0.00 0.50 0.14 0.07 89.08 12:40:10 2 10.65 0.00 0.54 0.05 0.07 88.69 12:40:10 3 9.68 0.00 0.43 0.01 0.07 89.82 12:50:10 all 9.56 0.00 0.39 0.05 0.06 89.94 12:50:10 0 9.72 0.00 0.42 0.03 0.06 89.77 12:50:10 1 9.28 0.00 0.44 0.11 0.07 90.09 12:50:10 2 9.70 0.00 0.34 0.04 0.07 89.85 12:50:10 3 9.51 0.00 0.37 0.01 0.06 90.05 13:00:10 all 19.90 0.00 0.73 0.20 0.07 79.10 13:00:10 0 20.19 0.00 0.63 0.11 0.07 79.00 13:00:10 1 19.87 0.00 0.81 0.39 0.08 78.85 13:00:10 2 20.09 0.00 0.72 0.13 0.08 78.98 13:00:10 3 19.47 0.00 0.73 0.16 0.07 79.58 Average: all 23.91 0.00 1.00 1.24 0.08 73.77 Average: 0 24.02 0.00 0.96 1.08 0.08 73.86 Average: 1 23.65 0.00 1.04 1.71 0.08 73.51 Average: 2 23.91 0.00 1.03 0.86 0.08 74.13 Average: 3 24.06 0.00 0.95 1.32 0.08 73.59