---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-9765 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 683 11109 3 4196 14963 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:50:02:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79540sec preferred_lft 79540sec inet6 fe80::f816:3eff:fe50:2ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:c1:ed:fd:bb:43 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-9765) 02/12/26 _x86_64_ (4 CPU) 12:52:36 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:09 113.71 24.19 71.92 17.60 392.08 12225.64 216401.19 13:20:21 21.00 2.36 17.70 0.94 40.93 462.49 853.97 13:30:02 7.71 0.06 7.22 0.43 3.46 287.27 1388.23 13:40:21 15.96 0.03 15.22 0.70 0.99 657.88 1340.41 13:50:21 14.61 0.01 14.00 0.60 0.63 482.19 471.55 14:00:01 3.93 0.02 3.89 0.02 0.88 115.44 5.09 14:10:16 3.35 0.01 3.17 0.16 0.17 63.20 84.09 14:20:21 8.29 0.01 7.95 0.33 1.40 260.56 174.09 14:30:01 6.53 0.03 6.34 0.16 1.52 182.93 79.71 14:40:21 8.66 0.02 8.28 0.36 1.37 538.25 91.42 Average: 20.53 2.70 15.68 2.15 44.76 1541.00 22286.04 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:09 6914736 9914052 6019164 36.76 256972 2753200 6883976 39.51 2096964 6801924 2080 13:20:21 4049732 7087312 8847136 54.03 259968 2788580 9599504 55.10 2150820 9611300 832 13:30:02 5932548 8992124 6943260 42.41 261244 2809280 7850556 45.06 2156856 7743944 404 13:40:21 10477788 13665880 2273232 13.88 266268 2932700 3002528 17.23 2194076 3164264 10940 13:50:21 8116600 11367376 4570488 27.91 268124 2993528 5314216 30.50 2198616 5511380 128 14:00:01 11627068 14893760 1046212 6.39 268308 3009260 1801692 10.34 2199764 2030932 292 14:10:16 8207528 11478868 4458936 27.23 268944 3013280 5167080 29.66 2200472 5429420 240 14:20:21 6760372 10069636 5867692 35.84 270052 3050108 6649380 38.17 2205780 6854232 68 14:30:01 8040064 11372644 4565428 27.88 270800 3072676 5318312 30.53 2208352 5587172 244 14:40:21 7793004 11247336 4690472 28.65 274468 3190240 5289584 30.36 2222760 5815532 168 Average: 7791944 11008899 4928202 30.10 266515 2961285 5687683 32.65 2183446 5855010 1540 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:09 lo 19.18 19.18 16.45 16.45 0.00 0.00 0.00 0.00 13:10:09 ens3 41.80 31.53 635.37 3.21 0.00 0.00 0.00 0.00 13:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:21 lo 47.29 47.29 20.49 20.49 0.00 0.00 0.00 0.00 13:20:21 ens3 1.75 1.46 0.35 0.29 0.00 0.00 0.00 0.00 13:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:02 lo 15.72 15.72 7.39 7.39 0.00 0.00 0.00 0.00 13:30:02 ens3 0.62 0.32 0.10 0.06 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 13:40:21 lo 12.05 12.05 5.97 5.97 0.00 0.00 0.00 0.00 13:40:21 ens3 1.13 0.80 0.34 0.26 0.00 0.00 0.00 0.00 13:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:21 lo 19.13 19.13 9.82 9.82 0.00 0.00 0.00 0.00 13:50:21 ens3 0.98 0.80 0.25 0.20 0.00 0.00 0.00 0.00 13:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 11.01 11.01 5.26 5.26 0.00 0.00 0.00 0.00 14:00:01 ens3 0.69 0.43 0.18 0.12 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:16 lo 23.65 23.65 8.00 8.00 0.00 0.00 0.00 0.00 14:10:16 ens3 0.84 0.38 0.26 0.17 0.00 0.00 0.00 0.00 14:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:21 lo 18.96 18.96 10.80 10.80 0.00 0.00 0.00 0.00 14:20:21 ens3 0.76 0.65 0.15 0.12 0.00 0.00 0.00 0.00 14:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 17.64 17.64 10.15 10.15 0.00 0.00 0.00 0.00 14:30:01 ens3 0.77 0.51 0.17 0.12 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:21 lo 21.35 21.35 10.19 10.19 0.00 0.00 0.00 0.00 14:40:21 ens3 1.49 1.47 0.36 1.77 0.00 0.00 0.00 0.00 14:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.69 20.69 10.49 10.49 0.00 0.00 0.00 0.00 Average: ens3 5.13 3.87 64.33 0.64 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-9765) 02/12/26 _x86_64_ (4 CPU) 12:52:36 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:09 all 53.80 0.00 2.26 0.49 0.10 43.35 13:10:09 0 53.08 0.00 2.09 0.55 0.10 44.17 13:10:09 1 53.10 0.00 2.26 0.34 0.10 44.20 13:10:09 2 55.18 0.00 2.20 0.56 0.11 41.95 13:10:09 3 53.82 0.00 2.47 0.52 0.10 43.08 13:20:21 all 40.46 0.00 1.60 0.05 0.10 57.79 13:20:21 0 40.36 0.00 1.55 0.05 0.10 57.94 13:20:21 1 40.80 0.00 1.70 0.07 0.10 57.33 13:20:21 2 40.05 0.00 1.63 0.03 0.11 58.18 13:20:21 3 40.62 0.00 1.51 0.04 0.10 57.72 13:30:02 all 17.14 0.00 0.93 0.03 0.08 81.82 13:30:02 0 16.61 0.00 0.84 0.02 0.08 82.45 13:30:02 1 17.43 0.00 0.89 0.02 0.08 81.58 13:30:02 2 17.09 0.00 0.95 0.07 0.08 81.81 13:30:02 3 17.43 0.00 1.03 0.02 0.08 81.43 13:40:21 all 20.88 0.00 0.84 0.05 0.08 78.15 13:40:21 0 21.69 0.00 0.87 0.03 0.08 77.34 13:40:21 1 20.60 0.00 0.80 0.03 0.08 78.48 13:40:21 2 20.90 0.00 0.83 0.09 0.08 78.11 13:40:21 3 20.33 0.00 0.87 0.05 0.08 78.67 13:50:21 all 25.48 0.00 0.94 0.07 0.08 73.43 13:50:21 0 25.18 0.00 0.90 0.10 0.08 73.74 13:50:21 1 26.14 0.00 0.93 0.05 0.08 72.80 13:50:21 2 25.15 0.00 0.91 0.04 0.09 73.82 13:50:21 3 25.46 0.00 1.01 0.08 0.08 73.38 14:00:01 all 2.73 0.00 0.26 0.02 0.07 96.93 14:00:01 0 2.47 0.00 0.25 0.03 0.06 97.18 14:00:01 1 2.81 0.00 0.27 0.02 0.08 96.82 14:00:01 2 2.75 0.00 0.27 0.02 0.07 96.90 14:00:01 3 2.88 0.00 0.23 0.01 0.07 96.81 14:10:16 all 7.14 0.00 0.49 0.02 0.07 92.29 14:10:16 0 7.04 0.00 0.41 0.01 0.06 92.47 14:10:16 1 6.80 0.00 0.55 0.05 0.08 92.51 14:10:16 2 7.25 0.00 0.44 0.01 0.07 92.23 14:10:16 3 7.44 0.00 0.53 0.00 0.07 91.94 14:20:21 all 16.06 0.00 0.66 0.03 0.08 83.17 14:20:21 0 16.11 0.00 0.58 0.02 0.08 83.21 14:20:21 1 16.08 0.00 0.72 0.04 0.09 83.08 14:20:21 2 15.38 0.00 0.68 0.02 0.08 83.84 14:20:21 3 16.68 0.00 0.65 0.03 0.08 82.55 14:30:01 all 8.79 0.00 0.50 0.02 0.08 90.61 14:30:01 0 8.36 0.00 0.47 0.05 0.08 91.05 14:30:01 1 8.60 0.00 0.52 0.02 0.08 90.78 14:30:01 2 9.45 0.00 0.49 0.01 0.08 89.98 14:30:01 3 8.77 0.00 0.52 0.02 0.07 90.63 14:40:21 all 14.05 0.00 0.64 0.04 0.08 85.21 14:40:21 0 13.80 0.00 0.63 0.07 0.07 85.43 14:40:21 1 14.74 0.00 0.70 0.03 0.08 84.45 14:40:21 2 14.43 0.00 0.66 0.02 0.08 84.82 14:40:21 3 13.22 0.00 0.56 0.02 0.07 86.12 Average: all 20.78 0.00 0.91 0.08 0.08 78.14 Average: 0 20.61 0.00 0.86 0.09 0.08 78.35 Average: 1 20.84 0.00 0.94 0.07 0.09 78.07 Average: 2 20.89 0.00 0.91 0.09 0.08 78.03 Average: 3 20.79 0.00 0.94 0.08 0.08 78.11