---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4730 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: 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 696 11481 3 3811 14950 Swap: 1023 1 1022 ---> 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:96:19:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79604sec preferred_lft 79604sec inet6 fe80::f816:3eff:fe96:19f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:f4:83:d1:f6:99 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::b8f4:83ff:fed1:f699/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-4730) 03/18/26 _x86_64_ (4 CPU) 10:34:18 LINUX RESTART (4 CPU) 10:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:06 102.33 22.75 75.66 3.92 348.43 23539.45 13211.50 11:00:06 30.16 10.39 18.82 0.95 199.07 474.95 790.06 11:10:00 5.33 0.39 4.73 0.21 18.33 165.40 305.31 11:20:19 22.35 0.10 7.33 14.93 2.11 227.06 206157.42 11:30:07 20.11 0.08 19.15 0.89 4.48 860.78 1256.58 11:40:07 9.28 0.03 8.89 0.37 0.77 275.54 372.10 11:50:00 5.22 0.02 5.00 0.21 0.85 141.20 46.05 12:00:07 7.20 0.07 6.84 0.29 3.74 241.64 145.95 12:10:06 5.47 0.02 5.31 0.14 0.56 159.47 42.52 12:20:07 9.79 0.42 9.05 0.33 13.67 569.72 116.08 Average: 21.75 3.42 16.06 2.27 59.18 2663.90 22880.39 10:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:06 159164 3630756 12298732 75.12 268604 3171356 13375176 76.77 2100520 13502756 3816 11:00:06 3706416 6311108 9625796 58.79 266476 2382276 10856200 62.31 2044824 10099676 576 11:10:00 8477592 11104200 4833484 29.52 267144 2403324 5608656 32.19 2058448 5319512 88 11:20:19 6976536 9623488 6315744 38.57 268652 2422164 7067108 40.57 2067920 6819996 172 11:30:07 10873656 13667508 2274228 13.89 274132 2563496 3032272 17.41 2108216 2907640 16 11:40:07 8603892 11435892 4504468 27.51 275092 2600688 5254328 30.16 2110664 5160292 80 11:50:00 8413536 11263996 4676200 28.56 275672 2618592 5416580 31.09 2111992 5340008 392 12:00:07 7293704 10182852 5756988 35.16 276388 2656536 6680276 38.34 2117564 6465424 244 12:10:06 8533736 11445792 4494844 27.45 276884 2678948 5306368 30.46 2119772 5223840 228 12:20:07 8283612 11324404 4615908 28.19 280936 2803568 5263724 30.21 2136264 5457748 280 Average: 7132184 9999000 5939639 36.28 272998 2630095 6786069 38.95 2097618 6629689 589 10:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:06 lo 16.23 16.23 14.98 14.98 0.00 0.00 0.00 0.00 10:50:06 ens3 36.69 27.64 644.63 3.08 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:06 lo 31.16 31.16 14.39 14.39 0.00 0.00 0.00 0.00 11:00:06 ens3 2.01 2.17 0.35 1.43 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 29.58 29.58 10.92 10.92 0.00 0.00 0.00 0.00 11:10:00 ens3 0.90 0.59 0.19 0.14 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:19 lo 9.68 9.68 5.97 5.97 0.00 0.00 0.00 0.00 11:20:19 ens3 1.02 0.36 0.19 0.11 0.00 0.00 0.00 0.00 11:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:07 lo 14.08 14.08 6.94 6.94 0.00 0.00 0.00 0.00 11:30:07 ens3 1.23 1.00 0.32 0.26 0.00 0.00 0.00 0.00 11:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:07 lo 18.97 18.97 9.99 9.99 0.00 0.00 0.00 0.00 11:40:07 ens3 1.05 0.70 0.26 0.19 0.00 0.00 0.00 0.00 11:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:00 lo 26.65 26.65 9.65 9.65 0.00 0.00 0.00 0.00 11:50:00 ens3 0.85 0.43 0.19 0.12 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:07 lo 21.68 21.68 11.62 11.62 0.00 0.00 0.00 0.00 12:00:07 ens3 1.59 0.66 0.35 0.21 0.00 0.00 0.00 0.00 12:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:06 lo 18.08 18.08 10.12 10.12 0.00 0.00 0.00 0.00 12:10:06 ens3 0.84 0.55 0.17 0.13 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:07 lo 18.37 18.37 9.20 9.20 0.00 0.00 0.00 0.00 12:20:07 ens3 1.58 0.97 0.49 0.36 0.00 0.00 0.00 0.00 12:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.41 20.41 10.37 10.37 0.00 0.00 0.00 0.00 Average: ens3 4.78 3.51 64.70 0.60 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-4730) 03/18/26 _x86_64_ (4 CPU) 10:34:18 LINUX RESTART (4 CPU) 10:40:06 CPU %user %nice %system %iowait %steal %idle 10:50:06 all 50.58 0.00 2.14 5.28 0.09 41.90 10:50:06 0 52.32 0.00 2.04 3.75 0.09 41.80 10:50:06 1 50.55 0.00 2.10 5.58 0.09 41.68 10:50:06 2 50.14 0.00 2.14 7.90 0.09 39.73 10:50:06 3 49.30 0.00 2.29 3.92 0.09 44.40 11:00:06 all 36.37 0.00 1.44 0.21 0.11 61.87 11:00:06 0 36.89 0.00 1.41 0.22 0.11 61.38 11:00:06 1 36.21 0.00 1.43 0.28 0.12 61.96 11:00:06 2 36.90 0.00 1.44 0.18 0.11 61.36 11:00:06 3 35.47 0.00 1.49 0.17 0.11 62.76 11:10:00 all 10.68 0.00 0.54 0.07 0.10 88.61 11:10:00 0 10.44 0.00 0.54 0.02 0.09 88.91 11:10:00 1 10.59 0.00 0.57 0.00 0.10 88.74 11:10:00 2 11.00 0.00 0.53 0.05 0.10 88.33 11:10:00 3 10.71 0.00 0.53 0.21 0.09 88.46 11:20:19 all 15.29 0.00 0.65 0.06 0.09 83.91 11:20:19 0 15.21 0.00 0.70 0.03 0.09 83.97 11:20:19 1 15.83 0.00 0.69 0.03 0.09 83.36 11:20:19 2 15.09 0.00 0.63 0.09 0.09 84.10 11:20:19 3 15.03 0.00 0.60 0.08 0.09 84.21 11:30:07 all 29.42 0.00 0.95 0.09 0.09 69.45 11:30:07 0 29.95 0.00 1.01 0.09 0.09 68.86 11:30:07 1 29.28 0.00 1.00 0.03 0.09 69.59 11:30:07 2 29.53 0.00 0.92 0.05 0.09 69.41 11:30:07 3 28.91 0.00 0.88 0.18 0.09 69.94 11:40:07 all 17.84 0.00 0.65 0.07 0.09 81.35 11:40:07 0 18.20 0.00 0.56 0.08 0.08 81.08 11:40:07 1 17.76 0.00 0.72 0.05 0.09 81.38 11:40:07 2 18.26 0.00 0.64 0.10 0.09 80.90 11:40:07 3 17.15 0.00 0.66 0.05 0.09 82.05 11:50:00 all 8.39 0.00 0.48 0.12 0.08 90.93 11:50:00 0 8.52 0.00 0.48 0.21 0.07 90.73 11:50:00 1 8.45 0.00 0.52 0.06 0.09 90.88 11:50:00 2 8.52 0.00 0.43 0.19 0.09 90.77 11:50:00 3 8.07 0.00 0.49 0.04 0.08 91.32 12:00:07 all 16.19 0.00 0.64 0.05 0.09 83.02 12:00:07 0 16.00 0.00 0.68 0.10 0.09 83.13 12:00:07 1 16.34 0.00 0.67 0.04 0.09 82.85 12:00:07 2 16.09 0.00 0.70 0.02 0.10 83.09 12:00:07 3 16.30 0.00 0.53 0.06 0.08 83.03 12:10:06 all 9.41 0.00 0.54 0.10 0.08 89.88 12:10:06 0 9.25 0.00 0.50 0.07 0.08 90.11 12:10:06 1 9.60 0.00 0.58 0.03 0.08 89.72 12:10:06 2 9.54 0.00 0.57 0.23 0.08 89.58 12:10:06 3 9.25 0.00 0.50 0.05 0.08 90.11 12:20:07 all 14.57 0.00 0.57 0.15 0.08 84.64 12:20:07 0 13.92 0.00 0.61 0.11 0.07 85.28 12:20:07 1 15.61 0.00 0.58 0.28 0.08 83.45 12:20:07 2 14.34 0.00 0.58 0.14 0.08 84.86 12:20:07 3 14.40 0.00 0.51 0.05 0.08 84.96 Average: all 20.85 0.00 0.86 0.62 0.09 77.58 Average: 0 21.06 0.00 0.85 0.47 0.09 77.54 Average: 1 21.00 0.00 0.89 0.64 0.09 77.39 Average: 2 20.91 0.00 0.86 0.89 0.09 77.25 Average: 3 20.44 0.00 0.85 0.48 0.09 78.15