---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23985 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 738 10866 3 4384 14908 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:d3:6a:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79765sec preferred_lft 79765sec inet6 fe80::f816:3eff:fed3:6af9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:3e:24:96:1d:65 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-23985) 02/28/26 _x86_64_ (4 CPU) 04:38:10 LINUX RESTART (4 CPU) 04:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:10 117.40 4.17 107.89 5.34 233.63 36446.62 13204.01 05:00:02 77.33 23.64 35.94 17.75 299.68 1906.29 219195.12 05:10:01 9.09 0.24 8.33 0.53 10.03 292.79 696.08 05:20:01 8.78 0.05 8.33 0.41 0.89 521.87 1250.79 05:30:00 18.42 0.03 17.58 0.81 1.20 577.77 356.17 05:40:01 7.07 0.00 6.80 0.27 0.27 209.38 131.25 05:50:02 4.84 0.00 4.66 0.17 0.17 133.96 80.87 06:00:06 5.67 0.02 5.47 0.18 2.17 159.52 245.38 06:10:01 4.84 0.01 4.64 0.19 0.73 150.18 57.09 06:20:10 12.24 0.02 11.64 0.58 0.75 671.13 157.92 Average: 26.61 2.79 21.22 2.60 54.81 4153.85 23217.24 04:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:10 165056 11017068 4902540 29.94 253716 10348848 7998180 45.91 2058776 13343116 52 05:00:02 5457652 8623032 7309828 44.65 258064 2891288 7904220 45.37 2039860 8296064 3824 05:10:01 7953284 11145836 4791076 29.26 259168 2917340 5455904 31.32 2062372 5787400 264 05:20:01 8820520 12107712 3829892 23.39 263148 3007956 4567876 26.22 2081488 4910956 128 05:30:00 11878800 15262084 676932 4.13 266044 3101148 1655820 9.50 2106812 1831080 12752 05:40:01 7953936 11353828 4583252 27.99 266980 3116824 5249120 30.13 2108320 5747720 72 05:50:02 7903196 11321072 4615904 28.19 267524 3134264 5251504 30.14 2109448 5796544 420 06:00:06 11828552 15286552 652068 3.98 268124 3173784 1316084 7.55 2114312 1867900 19412 06:10:01 6188648 9649760 6286436 38.39 268712 3176304 6923808 39.74 2115196 7507580 368 06:20:10 7633552 11242144 4695068 28.68 272868 3315152 5305184 30.45 2131520 6046876 104 Average: 7578320 11700909 4234300 25.86 264435 3818291 5162770 29.63 2092810 6113524 3740 04:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:10 lo 3.12 3.12 2.35 2.35 0.00 0.00 0.00 0.00 04:50:10 ens3 130.39 96.82 1839.97 10.31 0.00 0.00 0.00 0.00 04:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:02 lo 47.75 47.75 28.10 28.10 0.00 0.00 0.00 0.00 05:00:02 ens3 2.21 1.96 0.51 0.44 0.00 0.00 0.00 0.00 05:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 lo 29.11 29.11 11.83 11.83 0.00 0.00 0.00 0.00 05:10:01 ens3 1.15 1.27 0.24 1.46 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 05:20:01 lo 11.56 11.56 6.39 6.39 0.00 0.00 0.00 0.00 05:20:01 ens3 0.71 0.55 0.21 0.16 0.00 0.00 0.00 0.00 05:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:00 lo 12.99 12.99 7.23 7.23 0.00 0.00 0.00 0.00 05:30:00 ens3 1.01 0.79 0.24 0.19 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 05:40:01 lo 19.66 19.66 9.31 9.31 0.00 0.00 0.00 0.00 05:40:01 ens3 0.78 0.63 0.18 0.14 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:02 lo 19.45 19.45 6.75 6.75 0.00 0.00 0.00 0.00 05:50:02 ens3 0.49 0.35 0.10 0.07 0.00 0.00 0.00 0.00 05:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:06 lo 24.11 24.11 11.01 11.01 0.00 0.00 0.00 0.00 06:00:06 ens3 0.65 0.50 0.13 0.10 0.00 0.00 0.00 0.00 06:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 lo 17.85 17.85 10.55 10.55 0.00 0.00 0.00 0.00 06:10:01 ens3 0.63 0.50 0.15 0.12 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 06:20:10 lo 17.97 17.97 9.91 9.91 0.00 0.00 0.00 0.00 06:20:10 ens3 0.92 0.81 0.24 0.20 0.00 0.00 0.00 0.00 06:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.29 20.29 10.31 10.31 0.00 0.00 0.00 0.00 Average: ens3 14.07 10.55 186.69 1.33 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-23985) 02/28/26 _x86_64_ (4 CPU) 04:38:10 LINUX RESTART (4 CPU) 04:40:01 CPU %user %nice %system %iowait %steal %idle 04:50:10 all 45.31 0.00 2.37 7.03 0.09 45.20 04:50:10 0 43.48 0.00 2.26 6.77 0.08 47.41 04:50:10 1 43.24 0.00 2.46 5.19 0.09 49.01 04:50:10 2 46.51 0.00 2.35 6.91 0.09 44.13 04:50:10 3 48.03 0.00 2.39 9.26 0.09 40.22 05:00:02 all 60.51 0.00 2.14 0.15 0.11 37.08 05:00:02 0 59.97 0.00 2.28 0.09 0.12 37.54 05:00:02 1 61.14 0.00 2.17 0.17 0.11 36.41 05:00:02 2 60.82 0.00 2.05 0.13 0.11 36.88 05:00:02 3 60.13 0.00 2.06 0.20 0.12 37.49 05:10:01 all 20.39 0.00 0.90 0.10 0.09 78.52 05:10:01 0 19.78 0.00 0.80 0.18 0.08 79.16 05:10:01 1 20.77 0.00 1.01 0.04 0.09 78.10 05:10:01 2 20.52 0.00 0.90 0.10 0.09 78.40 05:10:01 3 20.50 0.00 0.88 0.09 0.09 78.45 05:20:01 all 14.99 0.00 0.53 0.05 0.07 84.36 05:20:01 0 14.88 0.00 0.53 0.01 0.07 84.50 05:20:01 1 15.44 0.00 0.55 0.04 0.08 83.88 05:20:01 2 14.72 0.00 0.46 0.03 0.07 84.72 05:20:01 3 14.90 0.00 0.59 0.10 0.07 84.34 05:30:00 all 27.85 0.00 0.90 0.07 0.08 71.10 05:30:00 0 28.17 0.00 0.84 0.11 0.08 70.80 05:30:00 1 28.83 0.00 0.99 0.04 0.08 70.06 05:30:00 2 27.46 0.00 0.82 0.05 0.09 71.59 05:30:00 3 26.93 0.00 0.97 0.07 0.08 71.95 05:40:01 all 13.44 0.00 0.46 0.03 0.07 86.00 05:40:01 0 13.70 0.00 0.43 0.01 0.07 85.79 05:40:01 1 13.66 0.00 0.48 0.01 0.07 85.77 05:40:01 2 13.13 0.00 0.50 0.03 0.07 86.26 05:40:01 3 13.26 0.00 0.44 0.07 0.07 86.16 05:50:02 all 8.33 0.00 0.38 0.02 0.06 91.21 05:50:02 0 8.27 0.00 0.35 0.01 0.05 91.32 05:50:02 1 8.38 0.00 0.38 0.01 0.07 91.16 05:50:02 2 8.47 0.00 0.44 0.05 0.07 90.98 05:50:02 3 8.20 0.00 0.35 0.02 0.07 91.36 06:00:06 all 11.06 0.00 0.54 0.02 0.07 88.31 06:00:06 0 11.31 0.00 0.55 0.01 0.07 88.05 06:00:06 1 11.37 0.00 0.63 0.04 0.07 87.88 06:00:06 2 10.30 0.00 0.45 0.02 0.07 89.17 06:00:06 3 11.26 0.00 0.51 0.02 0.07 88.13 06:10:01 all 10.54 0.00 0.44 0.03 0.07 88.93 06:10:01 0 10.56 0.00 0.42 0.02 0.07 88.92 06:10:01 1 10.67 0.00 0.42 0.05 0.08 88.79 06:10:01 2 10.05 0.00 0.45 0.02 0.07 89.40 06:10:01 3 10.87 0.00 0.45 0.02 0.07 88.59 06:20:10 all 20.07 0.00 0.82 0.07 0.07 78.97 06:20:10 0 20.33 0.00 0.82 0.11 0.07 78.67 06:20:10 1 19.44 0.00 0.89 0.01 0.08 79.58 06:20:10 2 20.53 0.00 0.79 0.05 0.08 78.56 06:20:10 3 19.97 0.00 0.77 0.10 0.07 79.09 Average: all 23.22 0.00 0.95 0.77 0.08 74.99 Average: 0 23.01 0.00 0.93 0.74 0.08 75.24 Average: 1 23.25 0.00 1.00 0.57 0.08 75.10 Average: 2 23.23 0.00 0.92 0.75 0.08 75.02 Average: 3 23.38 0.00 0.94 1.01 0.08 74.59