---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12999 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 729 10681 4 4577 14917 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:5a:36:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79898sec preferred_lft 79898sec inet6 fe80::f816:3eff:fe5a:3678/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:4e:aa:32:f8:f3 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::304e:aaff:fe32:f8f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-12999) 05/12/26 _x86_64_ (4 CPU) 15:35:57 LINUX RESTART (4 CPU) 15:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 113.22 22.47 86.97 3.77 363.79 29098.02 11673.95 16:00:01 22.59 1.48 20.01 1.10 25.64 475.75 530.94 16:10:04 7.69 0.13 7.17 0.38 8.02 258.93 563.84 16:20:01 18.80 0.04 17.91 0.84 1.34 785.31 652.85 16:30:01 10.52 0.02 10.01 0.49 1.39 347.67 181.39 16:40:05 4.70 0.00 4.53 0.17 0.16 133.80 48.99 16:50:01 5.07 0.02 4.88 0.17 1.57 145.05 93.01 17:00:01 21.34 0.07 5.62 15.65 1.88 164.15 211496.67 17:10:07 9.05 0.01 8.63 0.41 0.38 554.01 121.22 17:20:01 7.09 0.01 6.75 0.33 0.52 278.13 339.90 Average: 22.01 2.43 17.25 2.33 40.52 3227.96 22571.91 15:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 814648 4244876 11686060 71.37 267904 3132044 13001228 74.63 2104928 12855144 2440 16:00:01 3919140 7305528 8628240 52.70 271508 3096132 9383192 53.86 2113712 9760104 756 16:10:04 6219220 9632476 6302336 38.49 272668 3121856 6988460 40.11 2122056 7465532 456 16:20:01 10339972 13907600 2030840 12.40 278732 3270108 2860272 16.42 2163236 3321156 12492 16:30:01 7753884 11363624 4573440 27.93 280396 3310556 5224972 29.99 2166716 5891644 228 16:40:05 7689544 11318280 4618696 28.21 280932 3329016 5265548 30.22 2167888 5954540 284 16:50:01 6234692 9884224 6051880 36.96 281420 3349328 6752820 38.76 2170104 7392008 572 17:00:01 6346716 10023568 5912544 36.11 282472 3375604 6671032 38.29 2178956 7280036 268 17:10:07 7651656 11455748 4481200 27.37 286380 3494720 5218772 29.96 2187504 5967208 248 17:20:01 6899828 10754812 5182032 31.65 287400 3544364 6049828 34.73 2207376 6704536 444 Average: 6386930 9989074 5946727 36.32 278981 3302373 6741612 38.70 2158248 7259191 1819 15:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 17.64 17.64 15.45 15.45 0.00 0.00 0.00 0.00 15:50:01 ens3 37.66 29.22 649.63 3.27 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 46.91 46.91 20.75 20.75 0.00 0.00 0.00 0.00 16:00:01 ens3 1.78 1.59 0.41 0.35 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:04 lo 21.74 21.74 9.97 9.97 0.00 0.00 0.00 0.00 16:10:04 ens3 0.66 0.48 0.14 0.10 0.00 0.00 0.00 0.00 16:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 12.56 12.56 5.73 5.73 0.00 0.00 0.00 0.00 16:20:01 ens3 1.04 0.84 0.28 0.23 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 lo 18.65 18.65 10.38 10.38 0.00 0.00 0.00 0.00 16:30:01 ens3 0.81 0.67 0.20 0.16 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:05 lo 24.26 24.26 8.99 8.99 0.00 0.00 0.00 0.00 16:40:05 ens3 0.63 0.48 0.15 0.11 0.00 0.00 0.00 0.00 16:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 18.98 18.98 8.83 8.83 0.00 0.00 0.00 0.00 16:50:01 ens3 0.47 0.43 0.10 0.08 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 lo 17.09 17.09 9.88 9.88 0.00 0.00 0.00 0.00 17:00:01 ens3 0.61 0.55 0.16 0.12 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:07 lo 16.80 16.80 9.43 9.43 0.00 0.00 0.00 0.00 17:10:07 ens3 0.82 0.73 0.23 0.18 0.00 0.00 0.00 0.00 17:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 18.91 18.91 8.34 8.34 0.00 0.00 0.00 0.00 17:20:01 ens3 0.67 0.59 0.17 0.13 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.36 21.36 10.78 10.78 0.00 0.00 0.00 0.00 Average: ens3 4.52 3.56 65.23 0.47 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-12999) 05/12/26 _x86_64_ (4 CPU) 15:35:57 LINUX RESTART (4 CPU) 15:40:01 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 57.46 0.00 2.35 0.33 0.10 39.76 15:50:01 0 58.33 0.00 2.35 0.40 0.10 38.81 15:50:01 1 57.32 0.00 2.14 0.44 0.10 40.00 15:50:01 2 57.18 0.00 2.60 0.30 0.10 39.83 15:50:01 3 57.03 0.00 2.29 0.18 0.10 40.41 16:00:01 all 41.58 0.00 1.47 0.06 0.11 56.78 16:00:01 0 41.75 0.00 1.36 0.07 0.11 56.70 16:00:01 1 41.42 0.00 1.49 0.07 0.11 56.91 16:00:01 2 41.47 0.00 1.67 0.04 0.11 56.71 16:00:01 3 41.69 0.00 1.38 0.05 0.11 56.77 16:10:04 all 17.32 0.00 0.72 0.03 0.10 81.82 16:10:04 0 17.09 0.00 0.67 0.04 0.09 82.11 16:10:04 1 17.37 0.00 0.83 0.04 0.10 81.66 16:10:04 2 17.57 0.00 0.75 0.04 0.10 81.54 16:10:04 3 17.25 0.00 0.64 0.02 0.10 81.99 16:20:01 all 27.33 0.00 0.93 0.07 0.09 71.59 16:20:01 0 27.42 0.00 0.90 0.02 0.08 71.57 16:20:01 1 27.88 0.00 0.92 0.13 0.10 70.98 16:20:01 2 27.60 0.00 0.90 0.03 0.09 71.38 16:20:01 3 26.42 0.00 0.99 0.09 0.09 72.41 16:30:01 all 19.11 0.00 0.67 0.04 0.09 80.09 16:30:01 0 19.45 0.00 0.66 0.01 0.09 79.79 16:30:01 1 19.81 0.00 0.64 0.04 0.09 79.42 16:30:01 2 18.52 0.00 0.68 0.02 0.09 80.68 16:30:01 3 18.65 0.00 0.72 0.09 0.09 80.46 16:40:05 all 8.63 0.00 0.39 0.02 0.07 90.88 16:40:05 0 8.43 0.00 0.37 0.01 0.07 91.11 16:40:05 1 8.72 0.00 0.39 0.04 0.07 90.77 16:40:05 2 8.99 0.00 0.43 0.02 0.08 90.48 16:40:05 3 8.38 0.00 0.37 0.02 0.07 91.16 16:50:01 all 9.58 0.00 0.39 0.02 0.08 89.92 16:50:01 0 9.59 0.00 0.32 0.02 0.08 89.99 16:50:01 1 9.54 0.00 0.35 0.03 0.08 90.00 16:50:01 2 10.07 0.00 0.53 0.02 0.08 89.29 16:50:01 3 9.11 0.00 0.37 0.02 0.08 90.42 17:00:01 all 9.76 0.00 0.48 0.04 0.09 89.64 17:00:01 0 9.92 0.00 0.51 0.05 0.08 89.44 17:00:01 1 9.67 0.00 0.49 0.08 0.10 89.67 17:00:01 2 9.91 0.00 0.44 0.01 0.09 89.54 17:00:01 3 9.52 0.00 0.47 0.04 0.08 89.90 17:10:07 all 13.37 0.00 0.57 0.03 0.09 85.94 17:10:07 0 13.47 0.00 0.66 0.05 0.09 85.74 17:10:07 1 13.06 0.00 0.52 0.05 0.09 86.28 17:10:07 2 13.72 0.00 0.55 0.03 0.09 85.61 17:10:07 3 13.22 0.00 0.54 0.01 0.09 86.14 17:20:01 all 13.98 0.00 0.56 0.02 0.09 85.35 17:20:01 0 14.56 0.00 0.47 0.01 0.08 84.88 17:20:01 1 13.93 0.00 0.59 0.04 0.09 85.35 17:20:01 2 14.16 0.00 0.65 0.02 0.09 85.08 17:20:01 3 13.28 0.00 0.53 0.02 0.08 86.10 Average: all 21.79 0.00 0.85 0.07 0.09 77.19 Average: 0 21.99 0.00 0.83 0.07 0.09 77.03 Average: 1 21.86 0.00 0.83 0.10 0.09 77.11 Average: 2 21.89 0.00 0.92 0.05 0.09 77.04 Average: 3 21.44 0.00 0.83 0.05 0.09 77.59