---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-8193 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 61G 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 691 11282 4 4016 14955 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:53:0e:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80204sec preferred_lft 80204sec inet6 fe80::f816:3eff:fe53:ec4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:5b:fc:f9:52:20 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-8193) 02/06/26 _x86_64_ (4 CPU) 08:43:28 LINUX RESTART (4 CPU) 08:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:01 74.06 21.81 49.41 2.83 282.25 5348.98 2997.16 09:10:17 18.33 1.92 15.51 0.89 53.65 469.85 720.60 09:20:28 17.27 0.09 16.30 0.87 5.56 821.61 1138.18 09:30:28 26.32 12.06 13.59 0.67 142.72 409.68 642.49 09:40:28 5.69 0.01 5.46 0.22 0.80 138.03 48.16 09:50:28 5.16 0.02 4.92 0.22 2.28 136.57 61.36 10:00:28 4.79 0.01 4.58 0.20 0.68 137.45 90.33 10:10:28 23.91 0.06 8.45 15.39 1.03 527.83 209223.75 10:20:28 8.11 0.02 7.75 0.34 0.91 268.47 127.27 Average: 20.24 3.94 13.91 2.40 53.68 903.75 23839.22 08:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:01 170276 3123188 12805564 78.21 266196 2707660 13940908 80.02 2116268 13530724 1420 09:10:17 3215360 6153664 9782068 59.74 268732 2689444 10515160 60.36 2127564 10492080 660 09:20:28 10743928 13811416 2128788 13.00 274504 2812920 2891564 16.60 2162184 2954176 76 09:30:28 8323004 11493068 4446004 27.15 280840 2902116 5187776 29.78 2207624 5312484 188 09:40:28 8330172 11515256 4423624 27.02 281456 2916472 5160156 29.62 2208820 5308228 260 09:50:28 6793136 9995424 5942660 36.30 282036 2933076 6649884 38.17 2211240 6830488 232 10:00:28 6761652 9981976 5956112 36.38 282616 2950544 6644872 38.14 2214124 6866804 128 10:10:28 8138252 11480832 4458024 27.23 286624 3063572 5186716 29.77 2226152 5482464 136 10:20:28 7305464 10689756 5248700 32.06 287564 3104224 5953672 34.17 2245052 6290216 224 Average: 6642360 9804953 6132394 37.45 278952 2897781 6903412 39.63 2191003 7007518 369 08:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:01 lo 23.55 23.55 17.39 17.39 0.00 0.00 0.00 0.00 09:00:01 ens3 1.98 2.03 0.60 1.39 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:17 lo 41.22 41.22 18.03 18.03 0.00 0.00 0.00 0.00 09:10:17 ens3 1.39 1.45 0.31 0.28 0.00 0.00 0.00 0.00 09:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:28 lo 19.34 19.34 8.80 8.80 0.00 0.00 0.00 0.00 09:20:28 ens3 1.02 0.88 0.28 0.23 0.00 0.00 0.00 0.00 09:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:28 lo 19.43 19.43 10.03 10.03 0.00 0.00 0.00 0.00 09:30:28 ens3 0.74 0.78 0.16 0.14 0.00 0.00 0.00 0.00 09:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:28 lo 21.00 21.00 8.64 8.64 0.00 0.00 0.00 0.00 09:40:28 ens3 0.69 0.52 0.18 0.13 0.00 0.00 0.00 0.00 09:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:28 lo 20.10 20.10 8.61 8.61 0.00 0.00 0.00 0.00 09:50:28 ens3 0.40 0.29 0.09 0.06 0.00 0.00 0.00 0.00 09:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:28 lo 19.23 19.23 10.40 10.40 0.00 0.00 0.00 0.00 10:00:28 ens3 0.76 0.58 0.18 0.13 0.00 0.00 0.00 0.00 10:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:28 lo 16.89 16.89 10.03 10.03 0.00 0.00 0.00 0.00 10:10:28 ens3 0.86 0.75 0.27 0.22 0.00 0.00 0.00 0.00 10:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:28 lo 23.84 23.84 10.16 10.16 0.00 0.00 0.00 0.00 10:20:28 ens3 0.77 0.69 0.17 0.14 0.00 0.00 0.00 0.00 10:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.78 22.78 11.34 11.34 0.00 0.00 0.00 0.00 Average: ens3 0.96 0.88 0.25 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-8193) 02/06/26 _x86_64_ (4 CPU) 08:43:28 LINUX RESTART (4 CPU) 08:50:17 CPU %user %nice %system %iowait %steal %idle 09:00:01 all 51.64 0.00 2.02 0.19 0.10 46.05 09:00:01 0 51.86 0.00 1.97 0.16 0.10 45.92 09:00:01 1 53.10 0.00 2.11 0.07 0.10 44.62 09:00:01 2 51.21 0.00 1.87 0.24 0.10 46.59 09:00:01 3 50.39 0.00 2.12 0.31 0.10 47.07 09:10:17 all 34.15 0.00 1.29 0.06 0.10 64.40 09:10:17 0 34.87 0.00 1.20 0.04 0.09 63.80 09:10:17 1 34.39 0.00 1.32 0.11 0.10 64.08 09:10:17 2 33.78 0.00 1.28 0.06 0.10 64.78 09:10:17 3 33.58 0.00 1.34 0.03 0.10 64.95 09:20:28 all 27.55 0.00 1.03 0.06 0.09 71.27 09:20:28 0 27.01 0.00 0.93 0.04 0.08 71.94 09:20:28 1 27.57 0.00 1.09 0.03 0.09 71.22 09:20:28 2 27.67 0.00 1.09 0.11 0.09 71.04 09:20:28 3 27.97 0.00 0.99 0.05 0.09 70.90 09:30:28 all 25.00 0.08 0.91 0.10 0.08 73.83 09:30:28 0 25.36 0.00 1.00 0.05 0.07 73.51 09:30:28 1 23.97 0.01 0.90 0.07 0.08 74.97 09:30:28 2 25.41 0.26 0.96 0.25 0.08 73.04 09:30:28 3 25.26 0.04 0.77 0.04 0.08 73.81 09:40:28 all 8.33 0.00 0.46 0.05 0.06 91.10 09:40:28 0 7.83 0.00 0.37 0.10 0.06 91.63 09:40:28 1 8.12 0.00 0.49 0.01 0.06 91.32 09:40:28 2 8.76 0.00 0.47 0.05 0.07 90.66 09:40:28 3 8.60 0.00 0.48 0.05 0.07 90.80 09:50:28 all 9.20 0.00 0.46 0.02 0.06 90.26 09:50:28 0 9.35 0.00 0.35 0.01 0.07 90.24 09:50:28 1 9.42 0.00 0.50 0.01 0.06 90.01 09:50:28 2 8.74 0.00 0.54 0.03 0.07 90.62 09:50:28 3 9.29 0.00 0.45 0.03 0.07 90.16 10:00:28 all 10.30 0.00 0.55 0.02 0.06 89.07 10:00:28 0 10.09 0.00 0.52 0.01 0.06 89.32 10:00:28 1 10.08 0.00 0.56 0.01 0.07 89.28 10:00:28 2 10.42 0.00 0.59 0.04 0.07 88.88 10:00:28 3 10.59 0.00 0.55 0.01 0.06 88.79 10:10:28 all 13.31 0.00 0.65 0.05 0.06 85.92 10:10:28 0 12.50 0.00 0.67 0.09 0.07 86.67 10:10:28 1 13.09 0.00 0.67 0.02 0.07 86.15 10:10:28 2 14.08 0.00 0.70 0.08 0.06 85.08 10:10:28 3 13.58 0.00 0.56 0.01 0.06 85.79 10:20:28 all 15.25 0.00 0.61 0.04 0.08 84.02 10:20:28 0 15.20 0.00 0.57 0.05 0.08 84.10 10:20:28 1 14.88 0.00 0.59 0.02 0.08 84.43 10:20:28 2 15.32 0.00 0.80 0.06 0.08 83.74 10:20:28 3 15.61 0.00 0.50 0.02 0.08 83.79 Average: all 21.59 0.01 0.88 0.07 0.08 77.38 Average: 0 21.51 0.00 0.84 0.06 0.07 77.51 Average: 1 21.57 0.00 0.91 0.04 0.08 77.40 Average: 2 21.65 0.03 0.92 0.10 0.08 77.22 Average: 3 21.61 0.00 0.86 0.06 0.08 77.39