---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13146 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 714 11026 3 4248 14932 Swap: 1023 6 1017 ---> 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:6e:1e:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80829sec preferred_lft 80829sec inet6 fe80::f816:3eff:fe6e:1ee3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:3d:ab:d3:1b:d9 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-13146) 02/18/26 _x86_64_ (4 CPU) 06:40:58 LINUX RESTART (4 CPU) 06:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:09 75.77 23.69 48.90 3.18 352.19 5339.48 2359.25 07:10:09 19.11 0.15 17.94 1.03 6.55 747.88 571.17 07:20:01 16.26 0.21 15.36 0.69 9.84 448.94 602.18 07:30:09 6.80 0.02 6.54 0.23 1.37 150.25 147.25 07:40:09 21.65 0.12 5.65 15.88 2.64 188.28 210871.76 07:50:01 6.08 0.06 5.83 0.19 3.51 159.87 233.96 08:00:09 8.84 0.01 8.42 0.41 0.38 517.39 102.41 08:10:09 8.25 0.07 7.85 0.34 1.20 270.12 245.33 Average: 20.42 3.07 14.60 2.74 47.66 984.53 26853.23 06:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:09 168600 3415200 12517092 76.45 260936 2971324 13513728 77.57 2251876 13368548 288 07:10:09 4513676 7856260 8078252 49.34 266144 3061768 8997300 51.64 2306032 8966728 424 07:20:01 8102784 11502864 4434984 27.09 268772 3116628 5207564 29.89 2316652 5383384 444 07:30:09 10087748 13510216 2428788 14.83 269684 3138088 3453660 19.82 2318928 3418924 10524 07:40:09 6562896 10009360 5927616 36.20 272624 3159132 6741056 38.69 2328016 6914636 292 07:50:01 6468876 9933656 6003168 36.66 273172 3176872 6791948 38.99 2331960 7007144 176 08:00:09 7898308 11478676 4458764 27.23 276936 3283244 5188772 29.78 2339832 5550368 1376 08:10:09 7119112 10739696 5197308 31.74 277988 3322340 5950896 34.16 2358880 6331968 348 Average: 6365250 9805741 6130746 37.44 270782 3153674 6980616 40.07 2319022 7117712 1734 06:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:09 lo 37.69 37.69 24.23 24.23 0.00 0.00 0.00 0.00 07:00:09 ens3 2.44 2.20 0.69 0.60 0.00 0.00 0.00 0.00 07:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:09 lo 33.65 33.65 13.41 13.41 0.00 0.00 0.00 0.00 07:10:09 ens3 2.65 1.39 0.74 0.52 0.00 0.00 0.00 0.00 07:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 22.03 22.03 10.32 10.32 0.00 0.00 0.00 0.00 07:20:01 ens3 1.32 0.86 0.29 0.22 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:09 lo 17.81 17.81 8.54 8.54 0.00 0.00 0.00 0.00 07:30:09 ens3 0.96 0.61 0.23 0.16 0.00 0.00 0.00 0.00 07:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:09 lo 29.67 29.67 11.74 11.74 0.00 0.00 0.00 0.00 07:40:09 ens3 0.81 0.48 0.18 0.13 0.00 0.00 0.00 0.00 07:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 19.61 19.61 10.47 10.47 0.00 0.00 0.00 0.00 07:50:01 ens3 2.26 0.65 0.41 0.22 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:09 lo 16.95 16.95 10.04 10.04 0.00 0.00 0.00 0.00 08:00:09 ens3 1.00 0.68 0.25 0.19 0.00 0.00 0.00 0.00 08:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:09 lo 24.26 24.26 10.54 10.54 0.00 0.00 0.00 0.00 08:10:09 ens3 1.29 0.83 0.36 0.27 0.00 0.00 0.00 0.00 08:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 25.22 25.22 12.43 12.43 0.00 0.00 0.00 0.00 Average: ens3 1.59 0.96 0.40 0.29 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-13146) 02/18/26 _x86_64_ (4 CPU) 06:40:58 LINUX RESTART (4 CPU) 06:50:01 CPU %user %nice %system %iowait %steal %idle 07:00:09 all 64.46 0.00 2.34 0.11 0.13 32.95 07:00:09 0 65.10 0.00 2.26 0.18 0.14 32.32 07:00:09 1 63.42 0.00 2.49 0.09 0.13 33.87 07:00:09 2 63.77 0.00 2.42 0.09 0.13 33.58 07:00:09 3 65.55 0.00 2.20 0.07 0.14 32.04 07:10:09 all 33.08 0.00 1.36 0.06 0.11 65.39 07:10:09 0 32.33 0.00 1.37 0.09 0.11 66.11 07:10:09 1 32.80 0.00 1.43 0.06 0.11 65.60 07:10:09 2 33.16 0.00 1.28 0.05 0.12 65.39 07:10:09 3 34.03 0.00 1.37 0.03 0.12 64.45 07:20:01 all 26.88 0.00 1.00 0.05 0.10 71.98 07:20:01 0 26.71 0.00 0.97 0.05 0.09 72.18 07:20:01 1 27.15 0.00 1.02 0.02 0.10 71.71 07:20:01 2 27.34 0.00 1.12 0.08 0.10 71.36 07:20:01 3 26.32 0.00 0.89 0.04 0.09 72.66 07:30:09 all 11.15 0.00 0.54 0.15 0.07 88.08 07:30:09 0 10.57 0.00 0.47 0.04 0.06 88.86 07:30:09 1 11.58 0.00 0.53 0.20 0.08 87.61 07:30:09 2 10.89 0.00 0.65 0.28 0.08 88.10 07:30:09 3 11.57 0.00 0.53 0.08 0.08 87.75 07:40:09 all 13.42 0.00 0.58 0.04 0.08 85.88 07:40:09 0 13.30 0.00 0.53 0.01 0.07 86.09 07:40:09 1 13.84 0.00 0.65 0.09 0.08 85.33 07:40:09 2 12.93 0.00 0.56 0.03 0.08 86.41 07:40:09 3 13.62 0.00 0.57 0.04 0.07 85.70 07:50:01 all 10.56 0.00 0.47 0.02 0.08 88.87 07:50:01 0 10.73 0.00 0.41 0.01 0.07 88.77 07:50:01 1 10.38 0.00 0.46 0.04 0.08 89.04 07:50:01 2 10.15 0.00 0.53 0.03 0.08 89.21 07:50:01 3 11.00 0.00 0.47 0.01 0.07 88.45 08:00:09 all 13.63 0.00 0.55 0.03 0.08 85.71 08:00:09 0 13.33 0.00 0.59 0.01 0.08 85.99 08:00:09 1 13.93 0.00 0.59 0.03 0.08 85.37 08:00:09 2 13.35 0.00 0.57 0.06 0.08 85.94 08:00:09 3 13.91 0.00 0.47 0.02 0.08 85.53 08:10:09 all 15.13 0.00 0.65 0.03 0.08 84.11 08:10:09 0 14.95 0.00 0.67 0.02 0.08 84.28 08:10:09 1 14.53 0.00 0.71 0.02 0.08 84.66 08:10:09 2 15.44 0.00 0.56 0.04 0.09 83.88 08:10:09 3 15.61 0.00 0.67 0.04 0.08 83.60 Average: all 23.57 0.00 0.94 0.06 0.09 75.34 Average: 0 23.41 0.00 0.91 0.05 0.09 75.55 Average: 1 23.48 0.00 0.99 0.07 0.09 75.37 Average: 2 23.41 0.00 0.96 0.08 0.09 75.45 Average: 3 23.97 0.00 0.90 0.04 0.09 75.00