---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13147 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 696 11549 4 3742 14950 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:41:2b:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79842sec preferred_lft 79842sec inet6 fe80::f816:3eff:fe41:2b12/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:50:b1:c7:fe:2f 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-13147) 02/18/26 _x86_64_ (4 CPU) 06:41:28 LINUX RESTART (4 CPU) 06:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:04 81.83 28.25 50.76 2.82 465.47 5359.08 3354.28 07:10:01 21.78 5.20 15.66 0.92 102.13 398.74 743.55 07:20:04 8.38 0.16 7.83 0.39 9.71 271.96 1759.86 07:30:04 15.12 0.03 14.49 0.61 1.36 681.44 778.40 07:40:01 15.26 0.01 14.53 0.72 0.63 454.60 357.20 07:50:04 5.01 0.00 4.85 0.16 0.16 135.07 360.37 08:00:04 5.20 0.01 5.01 0.18 1.07 151.53 86.28 08:10:01 5.54 0.02 5.33 0.19 0.72 156.53 265.06 08:20:04 11.26 0.01 10.72 0.53 0.70 655.62 237.00 08:30:04 7.05 1.59 5.13 0.32 110.81 347.20 100.48 Average: 17.64 3.53 13.43 0.68 69.23 861.20 804.75 06:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:04 2351628 4879488 11056048 67.53 263972 2331124 12897596 74.03 1916064 11601828 3060 07:10:01 4575424 7157024 8780268 53.63 266616 2381864 9511744 54.60 1982472 9314652 724 07:20:04 6960896 9566688 6373652 38.93 267544 2405200 7054136 40.49 1989484 6947272 252 07:30:04 11388628 14120040 1822540 11.13 272552 2524960 2978424 17.10 2038344 2488676 636 07:40:01 8678420 11472324 4469244 27.30 274980 2584980 5176732 29.71 2043596 5178984 340 07:50:04 8695664 11506388 4434976 27.09 275456 2601316 5189296 29.79 2044764 5155008 328 08:00:04 7043592 9874592 6065832 37.05 276004 2621028 6738096 38.68 2046704 6795444 296 08:10:01 7093724 9945572 5994876 36.61 276576 2641304 6652428 38.18 2049808 6752348 308 08:20:04 8369128 11365504 4575604 27.95 280728 2776440 5233564 30.04 2066728 5453996 460 08:30:04 11903420 15318456 624752 3.82 282276 3187152 1236880 7.10 2125188 1856576 307128 Average: 7706052 10520608 5419779 33.10 273670 2605537 6266890 35.97 2030315 6154478 31353 06:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:04 lo 20.70 20.70 15.62 15.62 0.00 0.00 0.00 0.00 07:00:04 ens3 1.99 1.87 0.60 0.52 0.00 0.00 0.00 0.00 07:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 lo 51.60 51.60 22.02 22.02 0.00 0.00 0.00 0.00 07:10:01 ens3 2.95 1.76 0.74 1.61 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:04 lo 13.52 13.52 7.18 7.18 0.00 0.00 0.00 0.00 07:20:04 ens3 0.94 0.47 0.21 0.14 0.00 0.00 0.00 0.00 07:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:04 lo 8.79 8.79 4.40 4.40 0.00 0.00 0.00 0.00 07:30:04 ens3 1.06 0.74 0.30 0.23 0.00 0.00 0.00 0.00 07:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 19.60 19.60 10.07 10.07 0.00 0.00 0.00 0.00 07:40:01 ens3 1.01 0.70 0.22 0.17 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:04 lo 20.32 20.32 8.56 8.56 0.00 0.00 0.00 0.00 07:50:04 ens3 2.21 0.73 0.41 0.23 0.00 0.00 0.00 0.00 07:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:04 lo 27.05 27.05 11.31 11.31 0.00 0.00 0.00 0.00 08:00:04 ens3 0.79 0.47 0.16 0.11 0.00 0.00 0.00 0.00 08:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 17.37 17.37 10.23 10.23 0.00 0.00 0.00 0.00 08:10:01 ens3 1.10 0.63 0.33 0.23 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:04 lo 18.77 18.77 10.57 10.57 0.00 0.00 0.00 0.00 08:20:04 ens3 2.98 0.92 0.53 0.26 0.00 0.00 0.00 0.00 08:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:04 lo 32.98 32.98 12.82 12.82 0.00 0.00 0.00 0.00 08:30:04 ens3 3.00 1.40 0.89 0.53 0.00 0.00 0.00 0.00 08:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.05 23.05 11.27 11.27 0.00 0.00 0.00 0.00 Average: ens3 1.80 0.97 0.44 0.40 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-13147) 02/18/26 _x86_64_ (4 CPU) 06:41:28 LINUX RESTART (4 CPU) 06:50:04 CPU %user %nice %system %iowait %steal %idle 07:00:04 all 55.37 0.00 2.10 0.15 0.10 42.28 07:00:04 0 55.86 0.00 2.19 0.26 0.10 41.59 07:00:04 1 55.09 0.00 2.01 0.07 0.10 42.73 07:00:04 2 55.23 0.00 2.16 0.12 0.10 42.39 07:00:04 3 55.29 0.00 2.03 0.15 0.11 42.42 07:10:01 all 34.87 0.00 1.35 0.07 0.10 63.62 07:10:01 0 34.32 0.00 1.46 0.10 0.10 64.03 07:10:01 1 35.06 0.00 1.31 0.07 0.10 63.46 07:10:01 2 34.69 0.00 1.28 0.04 0.10 63.90 07:10:01 3 35.40 0.00 1.36 0.06 0.10 63.08 07:20:04 all 16.27 0.00 0.58 0.03 0.08 83.03 07:20:04 0 16.54 0.00 0.50 0.02 0.07 82.87 07:20:04 1 16.85 0.00 0.60 0.01 0.08 82.46 07:20:04 2 16.21 0.00 0.60 0.03 0.08 83.08 07:20:04 3 15.49 0.00 0.63 0.07 0.08 83.72 07:30:04 all 20.71 0.00 0.79 0.05 0.07 78.38 07:30:04 0 20.55 0.00 0.87 0.03 0.07 78.47 07:30:04 1 20.67 0.00 0.67 0.09 0.07 78.49 07:30:04 2 20.98 0.00 0.82 0.05 0.07 78.08 07:30:04 3 20.63 0.00 0.78 0.03 0.08 78.48 07:40:01 all 25.64 0.00 0.87 0.05 0.07 73.36 07:40:01 0 25.88 0.00 0.79 0.01 0.07 73.25 07:40:01 1 25.82 0.00 0.93 0.05 0.08 73.12 07:40:01 2 25.12 0.00 0.85 0.08 0.07 73.87 07:40:01 3 25.76 0.00 0.90 0.06 0.08 73.20 07:50:04 all 8.16 0.00 0.40 0.03 0.06 91.35 07:50:04 0 8.35 0.00 0.36 0.05 0.06 91.17 07:50:04 1 7.76 0.00 0.43 0.01 0.07 91.73 07:50:04 2 8.36 0.00 0.37 0.00 0.06 91.20 07:50:04 3 8.18 0.00 0.41 0.04 0.06 91.31 08:00:04 all 10.21 0.00 0.51 0.02 0.07 89.19 08:00:04 0 9.69 0.00 0.52 0.02 0.07 89.71 08:00:04 1 10.42 0.00 0.44 0.04 0.07 89.04 08:00:04 2 10.40 0.00 0.57 0.01 0.07 88.95 08:00:04 3 10.34 0.00 0.50 0.02 0.07 89.07 08:10:01 all 10.00 0.00 0.50 0.02 0.07 89.41 08:10:01 0 9.99 0.00 0.49 0.01 0.06 89.45 08:10:01 1 10.23 0.00 0.50 0.03 0.07 89.16 08:10:01 2 9.30 0.00 0.49 0.04 0.07 90.09 08:10:01 3 10.45 0.00 0.52 0.02 0.07 88.93 08:20:04 all 19.20 0.00 0.76 0.05 0.07 79.93 08:20:04 0 18.50 0.00 0.82 0.01 0.07 80.60 08:20:04 1 19.25 0.00 0.79 0.03 0.08 79.86 08:20:04 2 18.80 0.00 0.71 0.05 0.07 80.37 08:20:04 3 20.23 0.00 0.71 0.09 0.07 78.89 08:30:04 all 10.32 0.00 0.50 0.05 0.07 89.05 08:30:04 0 10.08 0.00 0.46 0.02 0.07 89.38 08:30:04 1 10.84 0.00 0.47 0.06 0.07 88.56 08:30:04 2 10.13 0.00 0.55 0.07 0.07 89.18 08:30:04 3 10.24 0.00 0.54 0.05 0.07 89.10 Average: all 21.04 0.00 0.83 0.05 0.08 78.00 Average: 0 20.95 0.00 0.84 0.05 0.07 78.08 Average: 1 21.17 0.00 0.81 0.05 0.08 77.89 Average: 2 20.89 0.00 0.84 0.05 0.08 78.15 Average: 3 21.16 0.00 0.84 0.06 0.08 77.86