---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-29982 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 707 10827 3 4454 14939 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:57:f7:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79570sec preferred_lft 79570sec inet6 fe80::f816:3eff:fe57:f70f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:23:c0:7e:45:b0 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 inet6 fe80::e023:c0ff:fe7e:45b0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-29982) 03/25/26 _x86_64_ (4 CPU) 07:00:13 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:00 90.49 24.32 62.57 3.59 373.59 12244.83 4121.13 07:30:12 11.23 0.11 10.57 0.54 4.12 337.75 1424.58 07:40:17 6.50 0.13 5.93 0.45 7.01 248.27 568.96 07:50:01 19.01 0.02 18.20 0.79 0.66 808.96 337.58 08:00:02 22.61 12.05 10.10 0.45 145.10 307.42 709.35 08:10:03 4.78 0.01 4.57 0.20 1.40 137.08 130.30 08:20:33 5.19 0.01 5.03 0.15 1.00 144.04 53.62 08:30:22 5.05 0.00 4.85 0.21 0.31 150.48 87.82 08:40:03 26.47 0.15 9.00 17.32 5.70 573.75 217482.23 08:50:23 6.51 0.10 6.15 0.26 4.12 264.27 270.02 Average: 19.65 3.68 13.63 2.34 54.13 1513.80 21764.90 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:00 2630976 5889724 10042632 61.34 260544 2981028 11143708 63.96 2004096 11155532 288 07:30:12 7190684 10470952 5462708 33.36 262500 3000388 6291748 36.11 2027988 6585656 5440 07:40:17 11931808 15312656 625380 3.82 266380 3097044 1370676 7.87 2050920 1827516 82476 07:50:01 10094552 13541140 2396436 14.64 269860 3159420 3089312 17.73 2075784 3652284 168 08:00:02 7903572 11444248 4491672 27.43 276880 3236544 5254836 30.16 2119912 5770596 248 08:10:03 7831256 11390944 4545096 27.76 277532 3254872 5240148 30.08 2121428 5843364 620 08:20:33 6283312 9862308 6072876 37.09 278368 3273304 6812356 39.10 2123852 7391524 64 08:30:22 6251360 9850648 6084616 37.16 279024 3292988 6851456 39.33 2127196 7408380 324 08:40:03 7653716 11390412 4545700 27.76 285084 3417268 5349812 30.71 2142512 5992576 1516 08:50:23 6930332 10716120 5219560 31.88 285912 3465408 5962616 34.23 2163500 6695168 528 Average: 7470157 10986915 4948668 30.22 274208 3217826 5736667 32.93 2095719 6232260 9167 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:00 lo 19.95 19.95 15.96 15.96 0.00 0.00 0.00 0.00 07:20:00 ens3 39.33 29.08 416.50 2.95 0.00 0.00 0.00 0.00 07:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:12 lo 35.59 35.59 14.24 14.24 0.00 0.00 0.00 0.00 07:30:12 ens3 1.41 0.99 0.30 0.24 0.00 0.00 0.00 0.00 07:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:17 lo 16.81 16.81 8.40 8.40 0.00 0.00 0.00 0.00 07:40:17 ens3 1.59 0.63 0.39 0.24 0.00 0.00 0.00 0.00 07:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 12.65 12.65 6.38 6.38 0.00 0.00 0.00 0.00 07:50:01 ens3 1.72 1.28 0.29 1.59 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 08:00:02 lo 18.58 18.58 9.74 9.74 0.00 0.00 0.00 0.00 08:00:02 ens3 1.09 0.70 0.25 0.18 0.00 0.00 0.00 0.00 08:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:03 lo 26.35 26.35 9.54 9.54 0.00 0.00 0.00 0.00 08:10:03 ens3 0.85 0.46 0.19 0.13 0.00 0.00 0.00 0.00 08:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:33 lo 16.30 16.30 7.83 7.83 0.00 0.00 0.00 0.00 08:20:33 ens3 0.79 0.47 0.16 0.10 0.00 0.00 0.00 0.00 08:20:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:22 lo 13.10 13.10 7.59 7.59 0.00 0.00 0.00 0.00 08:30:22 ens3 0.72 0.44 0.17 0.12 0.00 0.00 0.00 0.00 08:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:03 lo 16.67 16.67 9.97 9.97 0.00 0.00 0.00 0.00 08:40:03 ens3 0.92 0.82 0.26 0.21 0.00 0.00 0.00 0.00 08:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:23 lo 23.73 23.73 10.28 10.28 0.00 0.00 0.00 0.00 08:50:23 ens3 1.31 0.80 0.29 0.20 0.00 0.00 0.00 0.00 08:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.04 20.04 10.00 10.00 0.00 0.00 0.00 0.00 Average: ens3 4.96 3.55 41.71 0.59 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-29982) 03/25/26 _x86_64_ (4 CPU) 07:00:13 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:00 all 55.79 0.00 2.27 5.27 0.12 36.55 07:20:00 0 56.86 0.00 2.11 3.10 0.12 37.81 07:20:00 1 54.49 0.00 2.31 6.42 0.12 36.66 07:20:00 2 55.23 0.00 2.43 4.01 0.13 38.21 07:20:00 3 56.57 0.00 2.25 7.54 0.13 33.51 07:30:12 all 26.31 0.00 1.11 0.55 0.11 71.92 07:30:12 0 26.56 0.00 1.00 0.24 0.11 72.10 07:30:12 1 26.17 0.00 1.15 0.58 0.11 71.99 07:30:12 2 26.56 0.00 1.18 1.12 0.11 71.03 07:30:12 3 25.96 0.00 1.10 0.25 0.10 72.58 07:40:17 all 16.47 0.00 0.74 0.06 0.08 82.65 07:40:17 0 16.56 0.00 0.70 0.04 0.07 82.62 07:40:17 1 16.19 0.00 0.78 0.16 0.08 82.80 07:40:17 2 17.74 0.00 0.85 0.02 0.08 81.31 07:40:17 3 15.38 0.00 0.64 0.03 0.07 83.88 07:50:01 all 32.17 0.00 1.08 0.13 0.10 66.52 07:50:01 0 33.45 0.00 0.85 0.32 0.10 65.29 07:50:01 1 32.12 0.00 1.03 0.04 0.10 66.71 07:50:01 2 31.34 0.00 1.19 0.11 0.10 67.25 07:50:01 3 31.76 0.00 1.23 0.07 0.10 66.84 08:00:02 all 20.35 0.09 0.70 0.18 0.08 78.59 08:00:02 0 19.99 0.16 0.65 0.27 0.08 78.84 08:00:02 1 20.01 0.01 0.71 0.02 0.09 79.16 08:00:02 2 20.55 0.19 0.82 0.41 0.09 77.95 08:00:02 3 20.84 0.02 0.61 0.03 0.08 78.42 08:10:03 all 9.38 0.00 0.39 0.03 0.06 90.15 08:10:03 0 9.09 0.00 0.45 0.04 0.06 90.36 08:10:03 1 9.77 0.00 0.39 0.00 0.06 89.77 08:10:03 2 10.07 0.00 0.39 0.06 0.07 89.42 08:10:03 3 8.57 0.00 0.31 0.01 0.06 91.05 08:20:33 all 10.02 0.00 0.50 0.13 0.07 89.28 08:20:33 0 9.19 0.00 0.45 0.10 0.08 90.18 08:20:33 1 10.21 0.00 0.44 0.11 0.07 89.18 08:20:33 2 10.62 0.00 0.64 0.29 0.08 88.37 08:20:33 3 10.05 0.00 0.46 0.03 0.06 89.39 08:30:22 all 10.04 0.00 0.49 0.52 0.07 88.87 08:30:22 0 10.13 0.00 0.44 0.20 0.07 89.15 08:30:22 1 10.24 0.00 0.56 0.62 0.08 88.50 08:30:22 2 10.22 0.00 0.48 1.05 0.08 88.17 08:30:22 3 9.57 0.00 0.50 0.21 0.07 89.65 08:40:03 all 14.43 0.00 0.63 0.84 0.07 84.03 08:40:03 0 14.28 0.00 0.56 0.32 0.07 84.76 08:40:03 1 14.41 0.00 0.61 0.13 0.07 84.78 08:40:03 2 15.27 0.00 0.70 1.98 0.07 81.98 08:40:03 3 13.74 0.00 0.64 0.95 0.07 84.60 08:50:23 all 15.67 0.00 0.56 0.53 0.07 83.17 08:50:23 0 15.86 0.00 0.52 0.21 0.07 83.34 08:50:23 1 15.43 0.00 0.62 0.68 0.07 83.20 08:50:23 2 15.84 0.00 0.56 0.61 0.07 82.92 08:50:23 3 15.57 0.00 0.53 0.61 0.07 83.22 Average: all 21.00 0.01 0.84 0.82 0.08 77.24 Average: 0 21.13 0.02 0.77 0.48 0.08 77.51 Average: 1 20.84 0.00 0.86 0.88 0.08 77.34 Average: 2 21.28 0.02 0.92 0.96 0.09 76.74 Average: 3 20.74 0.00 0.82 0.97 0.08 77.38