---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15986 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 698 11321 4 3969 14948 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:48:26:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79002sec preferred_lft 79002sec inet6 fe80::f816:3eff:fe48:2625/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:47:86:ce:2b:2b 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-15986) 02/19/26 _x86_64_ (4 CPU) 10:16:58 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:18 78.98 3.39 71.47 4.12 727.27 32658.15 27262.85 10:40:19 69.37 21.56 44.96 2.86 312.41 5161.73 2446.30 10:50:01 27.91 10.06 16.94 0.92 194.25 475.70 454.06 11:00:19 23.53 0.15 7.60 15.78 6.16 259.48 205291.28 11:10:22 15.34 0.09 14.54 0.71 2.53 661.09 1107.26 11:20:01 15.04 0.08 14.32 0.64 2.93 496.44 2116.29 11:30:22 6.53 0.96 5.41 0.16 20.59 144.84 60.31 11:40:17 6.00 0.04 5.79 0.17 2.28 160.56 251.06 11:50:01 4.73 0.00 4.56 0.16 0.32 145.43 69.51 12:00:19 2.27 0.01 2.26 0.00 0.17 41.06 0.03 12:10:19 12.02 0.23 11.24 0.54 6.09 677.56 1087.40 12:20:01 11.43 2.38 7.89 1.16 162.86 1491.26 524.79 Average: 22.89 3.23 17.35 2.31 120.71 3602.10 20633.35 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:18 4767184 15317916 609172 3.72 234564 10112456 1330388 7.64 2086544 8764308 4936 10:40:19 161164 2894200 13038532 79.63 259720 2512864 14151120 81.23 2035328 13641556 212 10:50:01 3742260 6536912 9399716 57.41 262432 2573604 10906088 62.60 2084420 10010680 312 11:00:19 5931032 8754264 7184464 43.88 264088 2600548 8385204 48.13 2096060 7828512 76 11:10:22 10673756 13624048 2317164 14.15 269148 2722508 3070040 17.62 2134368 3073228 10792 11:20:01 8539792 11553612 4386344 26.79 271252 2783932 5193260 29.81 2139824 5195992 680 11:30:22 8302476 11337972 4601776 28.11 272304 2804584 5293080 30.38 2144504 5420392 152 11:40:17 6951784 10007064 5931916 36.23 272888 2823772 6685080 38.37 2146784 6753628 172 11:50:01 7085332 10160896 5778268 35.29 273360 2843560 6564032 37.68 2149636 6630544 252 12:00:19 6791836 9869948 6068824 37.07 273700 2845784 6780976 38.92 2150028 6921328 100 12:10:19 8090792 11310732 4628844 28.27 277828 2983116 5289456 30.36 2167592 5616520 248 12:20:01 11676956 15354648 587104 3.59 280256 3430416 1217920 6.99 2239220 1944304 27520 Average: 6892864 10560184 5377677 32.84 267628 3419762 6238887 35.81 2131192 6816749 3788 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:18 lo 1.70 1.70 1.75 1.75 0.00 0.00 0.00 0.00 10:30:18 ens3 116.08 78.71 1613.88 8.16 0.00 0.00 0.00 0.00 10:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:19 lo 24.99 24.99 17.72 17.72 0.00 0.00 0.00 0.00 10:40:19 ens3 2.22 1.81 0.67 0.55 0.00 0.00 0.00 0.00 10:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 37.96 37.96 15.85 15.85 0.00 0.00 0.00 0.00 10:50:01 ens3 2.11 1.29 0.42 0.29 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:19 lo 19.90 19.90 9.72 9.72 0.00 0.00 0.00 0.00 11:00:19 ens3 0.80 0.49 0.14 0.10 0.00 0.00 0.00 0.00 11:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:22 lo 12.43 12.43 6.12 6.12 0.00 0.00 0.00 0.00 11:10:22 ens3 1.24 0.83 0.32 0.25 0.00 0.00 0.00 0.00 11:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 19.73 19.73 10.09 10.09 0.00 0.00 0.00 0.00 11:20:01 ens3 1.42 0.73 0.30 0.20 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:22 lo 20.58 20.58 8.60 8.60 0.00 0.00 0.00 0.00 11:30:22 ens3 1.06 0.93 0.23 1.45 0.00 0.00 0.00 0.00 11:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:17 lo 19.20 19.20 8.00 8.00 0.00 0.00 0.00 0.00 11:40:17 ens3 0.99 0.46 0.30 0.24 0.00 0.00 0.00 0.00 11:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 14.19 14.19 7.50 7.50 0.00 0.00 0.00 0.00 11:50:01 ens3 0.59 0.40 0.11 0.08 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:19 lo 15.27 15.27 8.02 8.02 0.00 0.00 0.00 0.00 12:00:19 ens3 0.76 0.50 0.20 0.14 0.00 0.00 0.00 0.00 12:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:19 lo 15.58 15.58 8.95 8.95 0.00 0.00 0.00 0.00 12:10:19 ens3 1.41 1.02 0.49 0.37 0.00 0.00 0.00 0.00 12:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 32.71 32.71 12.68 12.68 0.00 0.00 0.00 0.00 12:20:01 ens3 2.89 2.62 1.77 1.03 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.40 19.40 9.54 9.54 0.00 0.00 0.00 0.00 Average: ens3 11.22 7.66 138.65 1.09 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-15986) 02/19/26 _x86_64_ (4 CPU) 10:16:58 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:18 all 34.26 0.00 2.66 19.81 0.12 43.15 10:30:18 0 34.58 0.00 2.54 18.68 0.12 44.08 10:30:18 1 33.48 0.00 2.53 19.39 0.13 44.47 10:30:18 2 33.28 0.00 2.78 20.86 0.11 42.98 10:30:18 3 35.72 0.00 2.78 20.32 0.12 41.07 10:40:19 all 53.10 0.00 2.18 0.38 0.12 44.22 10:40:19 0 50.99 0.00 2.36 0.63 0.12 45.90 10:40:19 1 54.29 0.00 2.17 0.32 0.12 43.10 10:40:19 2 53.01 0.00 2.03 0.35 0.12 44.49 10:40:19 3 54.11 0.00 2.16 0.22 0.11 43.40 10:50:01 all 38.12 0.00 1.42 0.08 0.10 60.27 10:50:01 0 37.58 0.00 1.47 0.13 0.10 60.73 10:50:01 1 38.70 0.00 1.53 0.06 0.11 59.60 10:50:01 2 38.60 0.00 1.36 0.08 0.10 59.86 10:50:01 3 37.62 0.00 1.33 0.06 0.10 60.89 11:00:19 all 17.37 0.00 0.77 0.06 0.08 81.73 11:00:19 0 17.30 0.00 0.67 0.01 0.07 81.95 11:00:19 1 17.75 0.00 0.84 0.08 0.08 81.24 11:00:19 2 17.14 0.00 0.79 0.09 0.07 81.90 11:00:19 3 17.27 0.00 0.77 0.04 0.08 81.84 11:10:22 all 22.19 0.00 0.90 0.11 0.08 76.73 11:10:22 0 21.96 0.00 0.92 0.03 0.07 77.01 11:10:22 1 22.43 0.00 0.90 0.07 0.08 76.52 11:10:22 2 21.68 0.00 0.89 0.11 0.08 77.23 11:10:22 3 22.68 0.00 0.88 0.21 0.07 76.16 11:20:01 all 26.10 0.00 0.88 0.05 0.08 72.90 11:20:01 0 26.06 0.00 0.87 0.06 0.07 72.94 11:20:01 1 26.36 0.00 0.83 0.04 0.08 72.69 11:20:01 2 25.47 0.00 0.81 0.06 0.07 73.60 11:20:01 3 26.52 0.00 1.00 0.04 0.08 72.36 11:30:22 all 8.13 0.00 0.47 0.03 0.06 91.31 11:30:22 0 7.96 0.00 0.42 0.05 0.05 91.52 11:30:22 1 8.28 0.00 0.49 0.01 0.06 91.16 11:30:22 2 8.33 0.00 0.52 0.02 0.07 91.07 11:30:22 3 7.97 0.00 0.46 0.02 0.06 91.49 11:40:17 all 9.51 0.00 0.49 0.03 0.06 89.92 11:40:17 0 9.81 0.00 0.44 0.02 0.06 89.67 11:40:17 1 9.60 0.00 0.49 0.01 0.07 89.84 11:40:17 2 9.30 0.00 0.50 0.04 0.06 90.10 11:40:17 3 9.32 0.00 0.54 0.03 0.07 90.05 11:50:01 all 9.53 0.00 0.48 0.11 0.06 89.82 11:50:01 0 8.99 0.00 0.42 0.28 0.06 90.25 11:50:01 1 9.65 0.00 0.61 0.04 0.06 89.64 11:50:01 2 9.55 0.00 0.48 0.08 0.07 89.82 11:50:01 3 9.93 0.00 0.40 0.03 0.06 89.57 12:00:19 all 3.25 0.00 0.39 0.01 0.05 96.29 12:00:19 0 2.97 0.00 0.33 0.02 0.05 96.63 12:00:19 1 3.22 0.00 0.44 0.03 0.06 96.26 12:00:19 2 3.22 0.00 0.42 0.01 0.06 96.28 12:00:19 3 3.60 0.00 0.38 0.00 0.05 95.96 12:10:19 all 20.13 0.00 0.78 0.05 0.07 78.97 12:10:19 0 20.11 0.00 0.70 0.03 0.07 79.10 12:10:19 1 19.60 0.00 0.70 0.10 0.07 79.53 12:10:19 2 19.53 0.00 0.92 0.05 0.07 79.44 12:10:19 3 21.29 0.00 0.80 0.02 0.08 77.81 12:10:19 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 11.89 0.00 0.55 0.21 0.06 87.28 12:20:01 0 12.58 0.00 0.57 0.29 0.06 86.50 12:20:01 1 12.06 0.00 0.63 0.13 0.06 87.12 12:20:01 2 11.13 0.00 0.54 0.41 0.06 87.85 12:20:01 3 11.80 0.00 0.46 0.03 0.06 87.65 Average: all 21.06 0.00 1.00 1.78 0.08 76.08 Average: 0 20.84 0.00 0.98 1.72 0.08 76.39 Average: 1 21.21 0.00 1.01 1.73 0.08 75.97 Average: 2 20.78 0.00 1.00 1.89 0.08 76.25 Average: 3 21.41 0.00 1.00 1.79 0.08 75.72