---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-36612 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 643 12267 3 3077 15003 Swap: 1023 78 945 ---> 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:34:e2:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79837sec preferred_lft 79837sec inet6 fe80::f816:3eff:fe34:e24e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:4f:5d:90:3f:06 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::384f:5dff:fe90:3f06/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-36612) 07/17/26 _x86_64_ (4 CPU) 07:22:07 LINUX RESTART (4 CPU) 07:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:04 75.59 22.88 49.98 2.74 1100.68 5555.25 3888.52 07:50:04 19.02 1.73 16.40 0.89 45.13 450.95 1067.38 08:00:01 12.03 1.24 10.30 0.49 35.02 573.24 901.43 08:10:04 20.18 0.44 18.91 0.83 16.47 587.43 1297.66 08:20:04 6.38 0.27 5.84 0.26 12.04 196.43 529.51 08:30:01 5.44 0.41 4.83 0.19 12.78 146.10 52.99 08:40:04 7.11 0.27 6.64 0.19 12.19 181.21 79.38 08:50:00 19.74 0.29 3.82 15.63 9.93 139.33 212648.10 09:00:01 11.64 0.47 10.59 0.58 16.55 692.64 426.78 09:10:04 5.23 0.25 4.79 0.19 10.45 177.95 68.44 Average: 18.26 2.84 13.24 2.19 127.64 872.69 21931.83 07:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:04 3935632 5688320 10252820 62.62 253480 1615516 11433928 65.63 1127180 10866068 620 07:50:04 4388280 6175944 9765232 59.64 255840 1647892 10997932 63.13 1167748 10359712 380 08:00:01 13069900 14976040 971672 5.93 259672 1761892 1849984 10.62 1219776 1687284 10912 08:10:04 12656868 14653920 1293772 7.90 263188 1849192 2176312 12.49 1242412 2078112 13676 08:20:04 9363632 11378636 4566960 27.89 264352 1865964 5411936 31.06 1247752 5344100 392 08:30:01 9359548 11394900 4550604 27.79 264820 1885852 5344592 30.68 1252556 5343172 48 08:40:04 12908248 14985592 961932 5.88 265324 1927348 1876388 10.77 1260832 1799420 21068 08:50:00 13296032 15404588 542760 3.31 268248 1955624 1371944 7.87 1272612 1378692 22488 09:00:01 9257328 11499064 4446504 27.16 272628 2079204 5261504 30.20 1292140 5409456 584 09:10:04 8238328 10510204 5434636 33.19 273252 2108732 6173732 35.44 1306288 6397512 328 Average: 9647380 11666721 4278689 26.13 264080 1869722 5189825 29.79 1238930 5066353 7050 07:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:04 lo 29.64 29.64 23.01 23.01 0.00 0.00 0.00 0.00 07:40:04 ens3 2.71 2.42 1.18 1.41 0.00 0.00 0.00 0.00 07:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:04 lo 44.51 44.51 18.84 18.84 0.00 0.00 0.00 0.00 07:50:04 ens3 1.47 1.42 0.32 0.27 0.00 0.00 0.00 0.00 07:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 20.26 20.26 8.83 8.83 0.00 0.00 0.00 0.00 08:00:01 ens3 0.86 0.66 0.27 0.21 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:04 lo 12.79 12.79 7.19 7.19 0.00 0.00 0.00 0.00 08:10:04 ens3 0.94 0.75 0.23 0.18 0.00 0.00 0.00 0.00 08:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:04 lo 19.67 19.67 9.39 9.39 0.00 0.00 0.00 0.00 08:20:04 ens3 0.77 0.61 0.18 0.14 0.00 0.00 0.00 0.00 08:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 26.79 26.79 9.19 9.19 0.00 0.00 0.00 0.00 08:30:01 ens3 0.59 0.38 0.16 0.11 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 lo 16.81 16.81 8.55 8.55 0.00 0.00 0.00 0.00 08:40:04 ens3 0.67 0.52 0.16 0.12 0.00 0.00 0.00 0.00 08:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 17.91 17.91 10.57 10.57 0.00 0.00 0.00 0.00 08:50:00 ens3 0.56 0.48 0.12 0.10 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 13.37 13.37 7.95 7.95 0.00 0.00 0.00 0.00 09:00:01 ens3 0.78 0.70 0.25 0.19 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 09:10:04 lo 30.53 30.53 12.02 12.02 0.00 0.00 0.00 0.00 09:10:04 ens3 0.69 0.62 0.16 0.13 0.00 0.00 0.00 0.00 09:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.23 23.23 11.56 11.56 0.00 0.00 0.00 0.00 Average: ens3 1.01 0.86 0.30 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-36612) 07/17/26 _x86_64_ (4 CPU) 07:22:07 LINUX RESTART (4 CPU) 07:30:01 CPU %user %nice %system %iowait %steal %idle 07:40:04 all 63.12 0.00 2.26 0.21 0.11 34.29 07:40:04 0 63.21 0.00 2.25 0.34 0.11 34.09 07:40:04 1 63.56 0.00 2.25 0.12 0.11 33.95 07:40:04 2 62.39 0.00 2.33 0.20 0.12 34.96 07:40:04 3 63.33 0.00 2.22 0.17 0.11 34.17 07:50:04 all 37.56 0.00 1.45 0.05 0.11 60.83 07:50:04 0 37.16 0.00 1.51 0.03 0.11 61.19 07:50:04 1 37.72 0.00 1.38 0.06 0.11 60.73 07:50:04 2 38.20 0.00 1.36 0.04 0.11 60.29 07:50:04 3 37.17 0.00 1.53 0.07 0.11 61.13 08:00:01 all 16.92 0.00 0.73 0.05 0.10 82.21 08:00:01 0 16.39 0.00 0.79 0.09 0.09 82.64 08:00:01 1 16.78 0.00 0.72 0.02 0.10 82.38 08:00:01 2 17.26 0.00 0.68 0.04 0.09 81.93 08:00:01 3 17.23 0.00 0.72 0.03 0.10 81.92 08:10:04 all 29.74 0.00 0.99 0.07 0.09 69.11 08:10:04 0 30.34 0.00 0.85 0.06 0.08 68.67 08:10:04 1 29.37 0.00 0.98 0.03 0.09 69.52 08:10:04 2 30.18 0.00 1.01 0.06 0.09 68.66 08:10:04 3 29.07 0.00 1.10 0.14 0.08 69.60 08:20:04 all 13.00 0.00 0.49 0.08 0.07 86.37 08:20:04 0 13.24 0.00 0.49 0.03 0.06 86.18 08:20:04 1 12.86 0.00 0.52 0.04 0.07 86.51 08:20:04 2 12.84 0.00 0.51 0.04 0.07 86.55 08:20:04 3 13.07 0.00 0.43 0.20 0.07 86.23 08:30:01 all 8.64 0.00 0.46 0.03 0.07 90.80 08:30:01 0 8.54 0.00 0.45 0.03 0.07 90.91 08:30:01 1 8.53 0.00 0.44 0.04 0.07 90.93 08:30:01 2 8.82 0.00 0.52 0.01 0.07 90.58 08:30:01 3 8.69 0.00 0.43 0.06 0.07 90.76 08:40:04 all 10.97 0.00 0.45 0.03 0.08 88.48 08:40:04 0 11.04 0.00 0.41 0.01 0.07 88.46 08:40:04 1 11.74 0.00 0.41 0.05 0.08 87.71 08:40:04 2 10.62 0.00 0.49 0.02 0.09 88.78 08:40:04 3 10.47 0.00 0.47 0.02 0.08 88.96 08:50:00 all 9.02 0.00 0.38 0.04 0.08 90.47 08:50:00 0 8.50 0.00 0.39 0.02 0.08 91.01 08:50:00 1 9.31 0.00 0.44 0.04 0.08 90.12 08:50:00 2 9.21 0.00 0.33 0.09 0.08 90.29 08:50:00 3 9.07 0.00 0.37 0.02 0.08 90.47 09:00:01 all 19.18 0.00 0.70 0.05 0.08 79.98 09:00:01 0 19.25 0.00 0.71 0.02 0.08 79.93 09:00:01 1 19.29 0.00 0.69 0.04 0.09 79.90 09:00:01 2 18.50 0.00 0.67 0.08 0.09 80.65 09:00:01 3 19.68 0.00 0.73 0.07 0.08 79.44 09:10:04 all 10.38 0.00 0.51 0.02 0.08 89.01 09:10:04 0 10.50 0.00 0.44 0.00 0.07 88.98 09:10:04 1 10.36 0.00 0.53 0.05 0.09 88.98 09:10:04 2 10.46 0.00 0.52 0.02 0.09 88.91 09:10:04 3 10.20 0.00 0.55 0.02 0.08 89.14 Average: all 21.88 0.00 0.84 0.06 0.09 77.13 Average: 0 21.85 0.00 0.83 0.06 0.08 77.17 Average: 1 21.98 0.00 0.84 0.05 0.09 77.05 Average: 2 21.87 0.00 0.84 0.06 0.09 77.14 Average: 3 21.82 0.00 0.86 0.08 0.09 77.16