---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-9548 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: 5600.00 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 700 10768 4 4520 14934 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:6b:ad:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79507sec preferred_lft 79507sec inet6 fe80::f816:3eff:fe6b:ad5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:41:55:2b:49:e6 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-9548) 02/11/26 _x86_64_ (4 CPU) 18:33:41 LINUX RESTART (4 CPU) 18:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:15 88.92 24.22 61.35 3.35 354.57 7247.44 4192.31 19:00:15 15.22 0.21 14.23 0.78 9.36 429.90 1420.46 19:10:03 7.66 0.07 7.22 0.37 3.29 261.92 794.72 19:20:02 16.89 0.02 16.15 0.72 0.57 722.44 739.67 19:30:15 12.07 0.01 11.56 0.50 0.56 369.98 260.53 19:40:02 7.78 0.00 7.45 0.32 0.44 236.38 110.86 19:50:15 5.00 0.01 4.79 0.19 1.29 149.19 126.41 20:00:02 3.53 0.00 3.53 0.00 0.44 57.08 0.03 20:10:02 4.82 0.00 4.61 0.21 0.31 152.57 64.24 20:20:03 11.92 0.01 11.32 0.60 0.68 682.77 154.83 Average: 17.42 2.46 14.25 0.71 37.27 1033.83 787.40 18:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:15 2841724 6233800 9698444 59.23 265924 3112016 11346968 65.13 2129308 10825292 692 19:00:15 3546776 6846604 9073828 55.42 267676 3033600 9745572 55.94 2150536 10082124 156 19:10:03 6430556 9755544 6167620 37.67 268508 3058000 6941220 39.84 2157780 7217356 368 19:20:02 10312192 13771208 2153976 13.16 273924 3186668 2892008 16.60 2194952 3307880 240 19:30:15 7982384 11496532 4427488 27.04 275604 3240120 5129240 29.44 2198948 5629596 308 19:40:02 7847276 11393996 4529852 27.67 276312 3271988 5277540 30.29 2200940 5758524 280 19:50:15 6667840 10236436 5687036 34.73 276892 3293280 6520960 37.43 2203316 6941620 304 20:00:02 6225136 9796044 6126924 37.42 277136 3295348 6802576 39.05 2203688 7389904 456 20:10:02 6114760 9708200 6214688 37.96 277780 3317236 6866860 39.42 2206868 7495200 396 20:20:03 7606928 11346880 4577080 27.95 282248 3458988 5238400 30.07 2223284 5989924 608 Average: 6557557 10058524 5865694 35.83 274200 3226724 6676134 38.32 2186962 7063742 381 18:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:15 lo 23.88 23.88 19.08 19.08 0.00 0.00 0.00 0.00 18:50:15 ens3 1.97 1.99 0.59 1.31 0.00 0.00 0.00 0.00 18:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:15 lo 45.93 45.93 19.01 19.01 0.00 0.00 0.00 0.00 19:00:15 ens3 1.42 1.53 0.30 0.28 0.00 0.00 0.00 0.00 19:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:03 lo 14.61 14.61 7.30 7.30 0.00 0.00 0.00 0.00 19:10:03 ens3 0.51 0.37 0.14 0.10 0.00 0.00 0.00 0.00 19:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:02 lo 11.31 11.31 5.59 5.59 0.00 0.00 0.00 0.00 19:20:02 ens3 0.82 0.75 0.23 0.19 0.00 0.00 0.00 0.00 19:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:15 lo 15.53 15.53 7.34 7.34 0.00 0.00 0.00 0.00 19:30:15 ens3 0.67 0.54 0.16 0.12 0.00 0.00 0.00 0.00 19:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 17.03 17.03 8.78 8.78 0.00 0.00 0.00 0.00 19:40:02 ens3 0.80 0.58 0.18 0.13 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:15 lo 22.35 22.35 8.80 8.80 0.00 0.00 0.00 0.00 19:50:15 ens3 0.59 0.32 0.15 0.10 0.00 0.00 0.00 0.00 19:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:02 lo 15.45 15.45 6.64 6.64 0.00 0.00 0.00 0.00 20:00:02 ens3 0.55 0.44 0.14 0.11 0.00 0.00 0.00 0.00 20:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:02 lo 17.87 17.87 10.57 10.57 0.00 0.00 0.00 0.00 20:10:02 ens3 0.87 0.60 0.25 0.18 0.00 0.00 0.00 0.00 20:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:03 lo 18.13 18.13 10.02 10.02 0.00 0.00 0.00 0.00 20:20:03 ens3 1.03 0.85 0.28 0.23 0.00 0.00 0.00 0.00 20:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.23 20.23 10.32 10.32 0.00 0.00 0.00 0.00 Average: ens3 0.92 0.80 0.24 0.28 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-9548) 02/11/26 _x86_64_ (4 CPU) 18:33:41 LINUX RESTART (4 CPU) 18:40:14 CPU %user %nice %system %iowait %steal %idle 18:50:15 all 59.70 0.00 2.27 0.21 0.11 37.71 18:50:15 0 58.92 0.00 2.31 0.21 0.10 38.45 18:50:15 1 60.24 0.00 2.15 0.30 0.11 37.21 18:50:15 2 60.33 0.00 2.35 0.10 0.11 37.12 18:50:15 3 59.31 0.00 2.28 0.25 0.11 38.06 19:00:15 all 31.77 0.00 1.22 0.06 0.10 66.85 19:00:15 0 31.90 0.00 1.14 0.03 0.10 66.82 19:00:15 1 31.51 0.00 1.24 0.09 0.10 67.06 19:00:15 2 31.52 0.00 1.32 0.03 0.10 67.04 19:00:15 3 32.16 0.00 1.18 0.08 0.11 66.48 19:10:03 all 16.02 0.00 0.68 0.10 0.10 83.10 19:10:03 0 15.97 0.00 0.61 0.05 0.09 83.27 19:10:03 1 15.39 0.00 0.71 0.07 0.10 83.72 19:10:03 2 16.38 0.00 0.74 0.13 0.10 82.65 19:10:03 3 16.34 0.00 0.68 0.14 0.09 82.75 19:20:02 all 20.94 0.00 0.79 0.07 0.10 78.11 19:20:02 0 20.27 0.00 0.79 0.10 0.10 78.74 19:20:02 1 21.18 0.00 0.71 0.10 0.10 77.91 19:20:02 2 22.00 0.00 0.84 0.03 0.09 77.04 19:20:02 3 20.31 0.00 0.82 0.03 0.09 78.74 19:30:15 all 17.89 0.00 0.64 0.06 0.09 81.32 19:30:15 0 17.77 0.00 0.58 0.04 0.09 81.52 19:30:15 1 17.67 0.00 0.71 0.13 0.10 81.38 19:30:15 2 18.19 0.00 0.72 0.04 0.09 80.97 19:30:15 3 17.92 0.00 0.55 0.01 0.10 81.42 19:40:02 all 13.02 0.00 0.59 0.04 0.09 86.27 19:40:02 0 12.48 0.00 0.56 0.04 0.09 86.83 19:40:02 1 13.60 0.00 0.65 0.03 0.10 85.62 19:40:02 2 13.20 0.00 0.49 0.03 0.09 86.19 19:40:02 3 12.79 0.00 0.64 0.05 0.09 86.43 19:50:15 all 8.32 0.00 0.39 0.04 0.10 91.15 19:50:15 0 8.07 0.00 0.36 0.02 0.10 91.44 19:50:15 1 8.61 0.00 0.38 0.04 0.10 90.88 19:50:15 2 8.51 0.00 0.44 0.06 0.10 90.90 19:50:15 3 8.11 0.00 0.37 0.04 0.10 91.39 20:00:02 all 3.03 0.00 0.33 0.15 0.09 96.40 20:00:02 0 2.95 0.00 0.34 0.06 0.09 96.57 20:00:02 1 3.11 0.00 0.38 0.14 0.09 96.28 20:00:02 2 2.80 0.00 0.28 0.34 0.09 96.49 20:00:02 3 3.25 0.00 0.31 0.07 0.10 96.27 20:10:02 all 9.49 0.00 0.51 0.03 0.09 89.87 20:10:02 0 9.16 0.00 0.41 0.03 0.09 90.32 20:10:02 1 9.73 0.00 0.57 0.05 0.09 89.56 20:10:02 2 9.98 0.00 0.53 0.04 0.09 89.36 20:10:02 3 9.10 0.00 0.54 0.02 0.10 90.25 20:20:03 all 18.99 0.00 0.66 0.05 0.09 80.21 20:20:03 0 20.08 0.00 0.70 0.04 0.09 79.08 20:20:03 1 19.69 0.00 0.70 0.03 0.09 79.49 20:20:03 2 18.41 0.00 0.59 0.05 0.09 80.86 20:20:03 3 17.77 0.00 0.64 0.09 0.08 81.42 Average: all 19.94 0.00 0.81 0.08 0.10 79.07 Average: 0 19.79 0.00 0.78 0.06 0.09 79.28 Average: 1 20.10 0.00 0.82 0.10 0.10 78.88 Average: 2 20.16 0.00 0.83 0.08 0.09 78.84 Average: 3 19.73 0.00 0.80 0.08 0.10 79.30