---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23980 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 722 11124 4 4142 14923 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:6d:c9:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80088sec preferred_lft 80088sec inet6 fe80::f816:3eff:fe6d:c9f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:c0:c5:3c:13:e0 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-23980) 02/28/26 _x86_64_ (4 CPU) 04:37:40 LINUX RESTART (4 CPU) 04:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:02 112.05 3.90 103.47 4.68 166.26 35640.67 13512.43 05:00:01 54.11 24.59 27.94 1.59 313.78 1701.85 1967.56 05:10:01 10.41 0.15 9.67 0.60 7.98 321.93 509.87 05:20:20 26.68 0.10 10.76 15.82 3.56 584.59 206354.74 05:30:00 17.01 0.01 16.27 0.72 0.58 531.71 1218.19 05:40:20 7.00 0.01 6.68 0.31 0.57 225.58 256.54 05:50:00 5.29 0.02 5.08 0.19 1.70 161.51 102.19 06:00:01 4.83 0.00 4.64 0.19 0.31 152.57 82.04 06:10:01 9.46 0.01 9.00 0.44 0.39 564.72 411.28 06:20:20 7.42 0.02 7.07 0.33 0.89 285.59 367.99 Average: 25.27 2.87 19.88 2.53 49.22 3958.12 23090.86 04:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:02 640004 4806884 11120972 67.92 256236 3809664 13015000 74.71 2010164 13051416 2812 05:00:01 3279640 6205496 9731004 59.43 262960 2680864 10965488 62.94 2059032 10482444 200 05:10:01 2889596 5840736 10094752 61.65 264440 2704672 10881348 62.46 2067200 10859964 132 05:20:20 8504416 11573496 4366192 26.67 269272 2817732 5108180 29.32 2108572 5229076 48 05:30:00 8342844 11486104 4453624 27.20 271724 2889472 5179620 29.73 2113840 5399548 116 05:40:20 8201360 11375404 4564272 27.88 272452 2919548 5262756 30.21 2115772 5529724 596 05:50:00 6882464 10078664 5860012 35.79 273000 2941152 6581188 37.78 2118272 6849152 212 06:00:01 6672076 9890384 6048368 36.94 273540 2962724 6793180 38.99 2121496 7046844 156 06:10:01 8144004 11483548 4456072 27.22 277348 3079308 5161656 29.63 2129828 5580204 532 06:20:20 7195988 10586680 5352528 32.69 278300 3129372 5976408 34.30 2149308 6495664 136 Average: 6075239 9332740 6604780 40.34 269927 2993451 7492482 43.01 2099348 7652404 494 04:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:02 lo 9.67 9.67 9.95 9.95 0.00 0.00 0.00 0.00 04:50:02 ens3 80.63 61.67 1187.37 6.65 0.00 0.00 0.00 0.00 04:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 lo 43.71 43.71 21.61 21.61 0.00 0.00 0.00 0.00 05:00:01 ens3 2.00 1.77 0.46 1.67 0.00 0.00 0.00 0.00 05:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 lo 31.17 31.17 13.96 13.96 0.00 0.00 0.00 0.00 05:10:01 ens3 0.93 0.72 0.23 0.18 0.00 0.00 0.00 0.00 05:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:20 lo 9.70 9.70 4.46 4.46 0.00 0.00 0.00 0.00 05:20:20 ens3 0.85 0.63 0.23 0.18 0.00 0.00 0.00 0.00 05:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:00 lo 16.35 16.35 8.27 8.27 0.00 0.00 0.00 0.00 05:30:00 ens3 0.92 0.70 0.22 0.17 0.00 0.00 0.00 0.00 05:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:20 lo 17.75 17.75 8.83 8.83 0.00 0.00 0.00 0.00 05:40:20 ens3 0.78 0.60 0.17 0.14 0.00 0.00 0.00 0.00 05:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:00 lo 28.81 28.81 11.58 11.58 0.00 0.00 0.00 0.00 05:50:00 ens3 0.57 0.41 0.11 0.08 0.00 0.00 0.00 0.00 05:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 19.91 19.91 10.65 10.65 0.00 0.00 0.00 0.00 06:00:01 ens3 0.67 0.53 0.14 0.11 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 lo 18.12 18.12 10.47 10.47 0.00 0.00 0.00 0.00 06:10:01 ens3 0.89 0.76 0.26 0.21 0.00 0.00 0.00 0.00 06:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:20 lo 26.83 26.83 11.19 11.19 0.00 0.00 0.00 0.00 06:20:20 ens3 0.78 0.65 0.16 0.13 0.00 0.00 0.00 0.00 06:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.17 22.17 11.08 11.08 0.00 0.00 0.00 0.00 Average: ens3 8.77 6.74 116.96 0.94 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-23980) 02/28/26 _x86_64_ (4 CPU) 04:37:40 LINUX RESTART (4 CPU) 04:40:11 CPU %user %nice %system %iowait %steal %idle 04:50:02 all 56.11 0.00 2.44 0.76 0.10 40.59 04:50:02 0 58.21 0.00 2.42 0.59 0.10 38.68 04:50:02 1 53.25 0.00 2.63 1.03 0.10 42.99 04:50:02 2 55.89 0.00 2.34 0.67 0.10 41.00 04:50:02 3 57.07 0.00 2.39 0.76 0.10 39.68 05:00:01 all 48.23 0.00 1.81 0.10 0.11 49.75 05:00:01 0 47.74 0.00 1.73 0.10 0.11 50.32 05:00:01 1 48.31 0.00 1.69 0.10 0.11 49.80 05:00:01 2 48.73 0.00 1.92 0.10 0.11 49.14 05:00:01 3 48.16 0.00 1.91 0.09 0.11 49.74 05:10:01 all 24.16 0.00 1.08 0.04 0.11 74.61 05:10:01 0 24.58 0.00 1.08 0.02 0.11 74.21 05:10:01 1 24.67 0.00 0.96 0.03 0.11 74.23 05:10:01 2 23.31 0.00 1.14 0.03 0.11 75.41 05:10:01 3 24.10 0.00 1.11 0.08 0.11 74.60 05:20:20 all 14.81 0.00 0.71 0.07 0.10 84.31 05:20:20 0 14.88 0.00 0.73 0.10 0.10 84.19 05:20:20 1 14.78 0.00 0.73 0.06 0.10 84.35 05:20:20 2 14.02 0.00 0.65 0.03 0.10 85.21 05:20:20 3 15.57 0.00 0.75 0.07 0.09 83.51 05:30:00 all 25.05 0.00 0.84 0.06 0.09 73.96 05:30:00 0 24.57 0.00 0.89 0.11 0.09 74.35 05:30:00 1 24.77 0.00 0.80 0.07 0.10 74.25 05:30:00 2 24.92 0.00 0.75 0.02 0.10 74.21 05:30:00 3 25.95 0.00 0.91 0.03 0.09 73.02 05:40:20 all 12.90 0.00 0.55 0.03 0.10 86.43 05:40:20 0 12.43 0.00 0.44 0.03 0.10 87.00 05:40:20 1 13.12 0.00 0.55 0.03 0.10 86.21 05:40:20 2 13.19 0.00 0.56 0.04 0.10 86.10 05:40:20 3 12.85 0.00 0.63 0.01 0.09 86.42 05:50:00 all 10.69 0.00 0.55 0.03 0.09 88.64 05:50:00 0 11.06 0.00 0.50 0.06 0.09 88.28 05:50:00 1 10.74 0.00 0.57 0.03 0.09 88.57 05:50:00 2 10.74 0.00 0.54 0.01 0.09 88.61 05:50:00 3 10.20 0.00 0.60 0.01 0.09 89.11 06:00:01 all 9.68 0.00 0.43 0.03 0.10 89.76 06:00:01 0 9.52 0.00 0.40 0.01 0.10 89.98 06:00:01 1 9.89 0.00 0.49 0.04 0.10 89.48 06:00:01 2 9.69 0.00 0.41 0.02 0.10 89.78 06:00:01 3 9.63 0.00 0.42 0.05 0.10 89.80 06:10:01 all 13.19 0.00 0.48 0.04 0.09 86.20 06:10:01 0 13.92 0.00 0.46 0.08 0.09 85.45 06:10:01 1 12.62 0.00 0.43 0.05 0.10 86.80 06:10:01 2 12.78 0.00 0.52 0.03 0.09 86.58 06:10:01 3 13.42 0.00 0.51 0.01 0.09 85.96 06:20:20 all 14.71 0.00 0.59 0.03 0.10 84.58 06:20:20 0 14.81 0.00 0.53 0.01 0.09 84.56 06:20:20 1 14.48 0.00 0.66 0.04 0.10 84.73 06:20:20 2 14.40 0.00 0.61 0.05 0.10 84.84 06:20:20 3 15.14 0.00 0.55 0.03 0.09 84.18 Average: all 22.84 0.00 0.94 0.12 0.10 76.00 Average: 0 23.06 0.00 0.91 0.11 0.10 75.82 Average: 1 22.55 0.00 0.95 0.14 0.10 76.26 Average: 2 22.65 0.00 0.94 0.10 0.10 76.21 Average: 3 23.09 0.00 0.97 0.11 0.10 75.72