---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-5081 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 678 10600 3 4710 14968 Swap: 1023 21 1002 ---> 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:ae:1e:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79794sec preferred_lft 79794sec inet6 fe80::f816:3eff:feae:1e10/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:99:49:cb:ec:78 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-5081) 01/27/26 _x86_64_ (4 CPU) 21:36:48 LINUX RESTART (4 CPU) 21:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:06 112.49 4.31 102.86 5.32 744.32 34415.53 26571.40 22:00:07 56.16 22.86 31.54 1.75 260.53 1888.93 2382.78 22:10:01 10.92 3.04 7.41 0.46 46.31 270.15 708.84 22:20:29 15.84 0.37 14.94 0.53 14.62 665.78 636.58 22:30:29 29.49 0.24 13.48 15.78 4.56 434.73 211120.21 22:40:01 4.16 0.28 3.84 0.04 12.31 66.76 31.90 22:50:29 5.29 0.06 4.95 0.29 2.72 195.13 129.78 23:00:28 5.27 0.00 5.10 0.17 0.41 154.26 73.84 23:10:01 9.80 0.02 9.38 0.40 0.71 577.29 125.99 23:20:08 5.11 0.01 4.95 0.15 0.55 159.88 257.60 Average: 25.56 3.12 19.95 2.49 109.25 3910.15 24203.37 21:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:06 1196440 5932576 9991548 61.02 255220 4358096 12024736 69.02 2226860 12251600 2704 22:00:07 3962916 7526684 8403512 51.33 262980 3270592 9216868 52.90 2036580 9757820 940 22:10:01 5335948 8925572 7005400 42.79 264172 3295372 8345832 47.90 2055780 8386696 40 22:20:29 10095752 13818476 2116312 12.93 268968 3423544 2833852 16.27 2097860 3608168 128 22:30:29 7710128 11502444 4431052 27.06 273312 3488784 5162744 29.63 2109760 5974396 36 22:40:01 11053628 14864564 1070596 6.54 274160 3506564 1823972 10.47 2112872 2638808 14388 22:50:29 6171708 10004660 5928044 36.21 274792 3527948 6648108 38.16 2115844 7496068 472 23:00:28 6028452 9882644 6050052 36.95 275324 3548660 6714824 38.54 2119060 7637652 64 23:10:01 7603620 11581340 4352168 26.58 279200 3663948 5134920 29.47 2127356 6060212 1564 23:20:08 7477392 11479644 4453512 27.20 280036 3687524 5150872 29.57 2136208 6182544 404 Average: 6663598 10551860 5380220 32.86 270816 3577103 6305673 36.19 2113818 6999396 2074 21:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:06 lo 7.75 7.75 8.80 8.80 0.00 0.00 0.00 0.00 21:50:06 ens3 87.70 63.34 1336.55 6.59 0.00 0.00 0.00 0.00 21:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:07 lo 49.43 49.43 24.06 24.06 0.00 0.00 0.00 0.00 22:00:07 ens3 2.07 1.98 0.46 0.41 0.00 0.00 0.00 0.00 22:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 lo 25.71 25.71 11.79 11.79 0.00 0.00 0.00 0.00 22:10:01 ens3 1.33 1.26 0.21 1.19 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:29 lo 11.83 11.83 5.83 5.83 0.00 0.00 0.00 0.00 22:20:29 ens3 0.98 0.87 0.25 0.20 0.00 0.00 0.00 0.00 22:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:29 lo 19.16 19.16 9.81 9.81 0.00 0.00 0.00 0.00 22:30:29 ens3 0.91 0.71 0.21 0.16 0.00 0.00 0.00 0.00 22:30:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 11.09 11.09 5.31 5.31 0.00 0.00 0.00 0.00 22:40:01 ens3 0.71 0.47 0.19 0.13 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:29 lo 29.57 29.57 11.90 11.90 0.00 0.00 0.00 0.00 22:50:29 ens3 0.66 0.51 0.15 0.11 0.00 0.00 0.00 0.00 22:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:28 lo 19.13 19.13 10.19 10.19 0.00 0.00 0.00 0.00 23:00:28 ens3 0.66 0.63 0.14 0.12 0.00 0.00 0.00 0.00 23:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 16.84 16.84 10.12 10.12 0.00 0.00 0.00 0.00 23:10:01 ens3 0.90 0.73 0.29 0.23 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:08 lo 16.29 16.29 7.04 7.04 0.00 0.00 0.00 0.00 23:20:08 ens3 0.69 0.60 0.14 0.12 0.00 0.00 0.00 0.00 23:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.73 20.73 10.49 10.49 0.00 0.00 0.00 0.00 Average: ens3 9.73 7.16 134.89 0.93 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-5081) 01/27/26 _x86_64_ (4 CPU) 21:36:48 LINUX RESTART (4 CPU) 21:40:01 CPU %user %nice %system %iowait %steal %idle 21:50:06 all 49.75 0.00 2.49 2.21 0.10 45.44 21:50:06 0 48.72 0.00 2.36 1.88 0.11 46.94 21:50:06 1 48.80 0.00 2.56 1.75 0.10 46.79 21:50:06 2 48.54 0.00 2.34 2.72 0.10 46.30 21:50:06 3 52.93 0.00 2.71 2.49 0.11 41.75 22:00:07 all 56.35 0.00 2.02 0.15 0.11 41.37 22:00:07 0 56.48 0.00 2.03 0.20 0.12 41.17 22:00:07 1 56.05 0.00 1.90 0.03 0.11 41.91 22:00:07 2 56.37 0.00 2.05 0.07 0.12 41.39 22:00:07 3 56.50 0.00 2.09 0.30 0.11 41.01 22:10:01 all 17.46 0.00 0.92 1.09 0.09 80.43 22:10:01 0 16.83 0.00 0.93 0.90 0.09 81.24 22:10:01 1 17.42 0.00 0.86 0.46 0.10 81.17 22:10:01 2 17.74 0.00 1.01 0.12 0.09 81.03 22:10:01 3 17.86 0.00 0.89 2.90 0.09 78.27 22:20:29 all 20.90 0.00 0.82 1.01 0.08 77.19 22:20:29 0 21.09 0.00 0.66 0.55 0.08 77.61 22:20:29 1 21.77 0.00 0.99 1.56 0.08 75.59 22:20:29 2 20.13 0.00 0.92 0.98 0.08 77.88 22:20:29 3 20.59 0.00 0.72 0.95 0.08 77.66 22:30:29 all 24.72 0.00 0.89 0.48 0.09 73.82 22:30:29 0 24.82 0.00 0.75 0.18 0.09 74.16 22:30:29 1 24.69 0.00 0.84 0.28 0.09 74.10 22:30:29 2 24.99 0.00 1.02 0.27 0.09 73.62 22:30:29 3 24.40 0.00 0.94 1.18 0.09 73.40 22:40:01 all 3.24 0.00 0.36 0.03 0.07 96.31 22:40:01 0 3.49 0.00 0.33 0.03 0.06 96.09 22:40:01 1 3.19 0.00 0.37 0.02 0.07 96.34 22:40:01 2 2.92 0.00 0.35 0.02 0.06 96.64 22:40:01 3 3.36 0.00 0.39 0.03 0.07 96.14 22:50:29 all 13.78 0.00 0.55 0.03 0.08 85.56 22:50:29 0 13.11 0.00 0.53 0.01 0.08 86.27 22:50:29 1 13.96 0.00 0.56 0.01 0.08 85.40 22:50:29 2 13.53 0.00 0.56 0.05 0.08 85.78 22:50:29 3 14.55 0.00 0.57 0.03 0.08 84.77 23:00:28 all 9.99 0.00 0.48 0.04 0.08 89.41 23:00:28 0 9.30 0.00 0.46 0.04 0.07 90.13 23:00:28 1 10.22 0.00 0.55 0.05 0.09 89.09 23:00:28 2 10.38 0.00 0.47 0.02 0.08 89.05 23:00:28 3 10.06 0.00 0.42 0.05 0.08 89.39 23:10:01 all 13.61 0.00 0.55 0.04 0.08 85.71 23:10:01 0 13.99 0.00 0.54 0.04 0.08 85.34 23:10:01 1 14.00 0.00 0.52 0.05 0.08 85.35 23:10:01 2 13.25 0.00 0.57 0.02 0.09 86.08 23:10:01 3 13.22 0.00 0.57 0.05 0.08 86.08 23:20:08 all 7.84 0.00 0.45 0.02 0.08 91.62 23:20:08 0 7.46 0.00 0.42 0.03 0.07 92.01 23:20:08 1 8.00 0.00 0.49 0.01 0.08 91.43 23:20:08 2 7.93 0.00 0.45 0.02 0.08 91.52 23:20:08 3 7.94 0.00 0.43 0.04 0.08 91.51 Average: all 21.86 0.00 0.96 0.52 0.09 76.58 Average: 0 21.62 0.00 0.90 0.39 0.09 77.01 Average: 1 21.91 0.00 0.97 0.43 0.09 76.60 Average: 2 21.67 0.00 0.98 0.44 0.09 76.82 Average: 3 22.24 0.00 0.98 0.81 0.09 75.89