---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25258 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 702 11353 4 3933 14944 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:2d:48:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79490sec preferred_lft 79490sec inet6 fe80::f816:3eff:fe2d:48ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:9a:18:f1:7c:0e 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-25258) 03/02/26 _x86_64_ (4 CPU) 08:50:01 LINUX RESTART (4 CPU) 09:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:03 69.10 23.62 42.91 2.56 359.87 5177.05 2702.23 09:20:03 39.04 9.45 13.06 16.53 175.83 376.83 211688.54 09:30:03 7.72 0.18 7.17 0.38 9.69 279.87 1664.15 09:40:03 16.54 0.04 15.82 0.68 1.72 718.28 1133.17 09:50:03 13.67 0.01 13.04 0.62 0.59 424.37 377.21 10:00:00 17.53 12.09 5.27 0.17 141.14 147.37 55.67 10:10:03 5.19 0.02 4.98 0.19 1.55 151.77 98.32 10:20:01 5.13 0.01 4.93 0.19 1.02 152.04 102.95 10:30:03 9.74 0.04 9.27 0.43 1.62 556.70 98.73 10:40:00 6.36 0.01 6.17 0.18 1.14 182.37 268.79 Average: 19.00 4.54 12.27 2.19 69.38 817.08 21828.77 09:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:03 2823952 5434272 10502192 64.14 262268 2398320 11669936 66.99 2058212 10976288 2748 09:20:03 4525340 7212732 8725668 53.29 265140 2472688 9536416 54.74 2130248 9209324 456 09:30:03 6953836 9665316 6275464 38.33 266244 2495668 7054456 40.49 2137368 6773128 452 09:40:03 12167484 15017368 926404 5.66 271408 2628888 1703880 9.78 2186540 1547592 11416 09:50:03 8400328 11302952 4638732 28.33 273240 2679800 5301672 30.43 2190460 5294948 376 10:00:00 8476196 11446268 4495396 27.46 277700 2735888 5302428 30.44 2231100 5168404 128 10:10:03 7064276 10055576 5885156 35.94 278292 2756504 6683080 38.36 2233192 6568216 120 10:20:01 6958568 9971548 5969204 36.46 278888 2777572 6699864 38.46 2236612 6670516 300 10:30:03 8172076 11309408 4631996 28.29 282876 2892536 5320220 30.54 2245248 5453432 256 10:40:00 11717364 14902228 1041116 6.36 283384 2939520 1787256 10.26 2263752 1903360 23248 Average: 7725942 10631767 5309133 32.43 273944 2677738 6105921 35.05 2191273 5956521 3950 09:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:03 lo 30.06 30.06 19.43 19.43 0.00 0.00 0.00 0.00 09:10:03 ens3 1.95 2.03 0.64 0.56 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:03 lo 36.49 36.49 15.47 15.47 0.00 0.00 0.00 0.00 09:20:03 ens3 1.09 1.04 0.26 0.21 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:03 lo 15.95 15.95 8.44 8.44 0.00 0.00 0.00 0.00 09:30:03 ens3 0.62 0.56 0.12 0.98 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 lo 11.37 11.37 5.50 5.50 0.00 0.00 0.00 0.00 09:40:03 ens3 1.05 0.86 0.31 0.25 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:03 lo 20.78 20.78 10.95 10.95 0.00 0.00 0.00 0.00 09:50:03 ens3 1.07 0.80 0.28 0.21 0.00 0.00 0.00 0.00 09:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:00 lo 13.30 13.30 5.70 5.70 0.00 0.00 0.00 0.00 10:00:00 ens3 0.60 0.51 0.14 0.11 0.00 0.00 0.00 0.00 10:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:03 lo 26.98 26.98 10.94 10.94 0.00 0.00 0.00 0.00 10:10:03 ens3 0.65 0.54 0.17 0.13 0.00 0.00 0.00 0.00 10:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 19.51 19.51 10.72 10.72 0.00 0.00 0.00 0.00 10:20:01 ens3 0.78 0.56 0.20 0.15 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:03 lo 17.91 17.91 10.06 10.06 0.00 0.00 0.00 0.00 10:30:03 ens3 0.99 0.80 0.30 0.23 0.00 0.00 0.00 0.00 10:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 17.05 17.05 6.95 6.95 0.00 0.00 0.00 0.00 10:40:00 ens3 0.89 0.67 0.25 0.19 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.95 20.95 10.42 10.42 0.00 0.00 0.00 0.00 Average: ens3 0.97 0.84 0.27 0.30 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-25258) 03/02/26 _x86_64_ (4 CPU) 08:50:01 LINUX RESTART (4 CPU) 09:00:03 CPU %user %nice %system %iowait %steal %idle 09:10:03 all 56.35 0.00 2.22 0.24 0.12 41.06 09:10:03 0 57.36 0.00 2.13 0.17 0.11 40.23 09:10:03 1 55.38 0.00 2.28 0.14 0.12 42.07 09:10:03 2 56.37 0.00 2.35 0.51 0.14 40.63 09:10:03 3 56.27 0.00 2.13 0.15 0.11 41.33 09:20:03 all 32.13 0.00 1.34 0.10 0.10 66.33 09:20:03 0 31.54 0.00 1.29 0.09 0.11 66.97 09:20:03 1 32.39 0.00 1.19 0.11 0.10 66.21 09:20:03 2 32.16 0.00 1.50 0.10 0.10 66.14 09:20:03 3 32.42 0.00 1.36 0.09 0.10 66.03 09:30:03 all 16.68 0.00 0.69 0.04 0.08 82.51 09:30:03 0 15.55 0.00 0.59 0.03 0.08 83.74 09:30:03 1 16.98 0.00 0.67 0.07 0.09 82.18 09:30:03 2 16.96 0.00 0.75 0.02 0.09 82.18 09:30:03 3 17.22 0.00 0.74 0.03 0.08 81.94 09:40:03 all 22.06 0.00 0.82 0.08 0.08 76.96 09:40:03 0 23.02 0.00 0.83 0.20 0.08 75.87 09:40:03 1 21.06 0.00 0.87 0.03 0.08 77.96 09:40:03 2 22.26 0.00 0.81 0.01 0.08 76.83 09:40:03 3 21.91 0.00 0.78 0.06 0.08 77.18 09:50:03 all 24.60 0.00 0.82 0.04 0.09 74.44 09:50:03 0 24.59 0.00 0.84 0.02 0.08 74.46 09:50:03 1 24.43 0.00 0.96 0.04 0.09 74.48 09:50:03 2 25.33 0.00 0.72 0.05 0.09 73.81 09:50:03 3 24.07 0.00 0.77 0.06 0.09 75.01 10:00:00 all 7.35 0.07 0.44 0.08 0.07 91.99 10:00:00 0 7.33 0.00 0.50 0.05 0.07 92.06 10:00:00 1 7.26 0.24 0.43 0.16 0.08 91.84 10:00:00 2 7.78 0.05 0.41 0.09 0.08 91.58 10:00:00 3 7.01 0.00 0.41 0.01 0.07 92.50 10:10:03 all 10.31 0.00 0.46 0.02 0.07 89.13 10:10:03 0 10.35 0.00 0.52 0.02 0.07 89.04 10:10:03 1 10.04 0.00 0.46 0.03 0.07 89.39 10:10:03 2 10.38 0.00 0.43 0.01 0.07 89.11 10:10:03 3 10.48 0.00 0.44 0.02 0.08 88.98 10:20:01 all 9.99 0.00 0.39 0.14 0.07 89.40 10:20:01 0 10.09 0.00 0.32 0.05 0.07 89.47 10:20:01 1 9.88 0.00 0.45 0.46 0.07 89.15 10:20:01 2 9.64 0.00 0.37 0.02 0.08 89.90 10:20:01 3 10.35 0.00 0.44 0.04 0.08 89.09 10:30:03 all 13.51 0.00 0.54 0.26 0.09 85.58 10:30:03 0 13.83 0.00 0.57 0.49 0.09 85.02 10:30:03 1 14.05 0.00 0.55 0.27 0.09 85.03 10:30:03 2 13.60 0.00 0.50 0.11 0.10 85.68 10:30:03 3 12.56 0.00 0.55 0.19 0.10 86.61 10:40:00 all 8.88 0.00 0.47 0.06 0.07 90.53 10:40:00 0 8.45 0.00 0.43 0.03 0.06 91.03 10:40:00 1 9.47 0.00 0.51 0.03 0.08 89.92 10:40:00 2 8.66 0.00 0.50 0.14 0.08 90.62 10:40:00 3 8.92 0.00 0.44 0.03 0.07 90.54 Average: all 20.18 0.01 0.82 0.11 0.09 78.81 Average: 0 20.20 0.00 0.80 0.12 0.08 78.80 Average: 1 20.08 0.02 0.84 0.13 0.09 78.84 Average: 2 20.31 0.01 0.83 0.11 0.09 78.65 Average: 3 20.11 0.00 0.81 0.07 0.09 78.93